diff --git a/src/3rdparty/harfbuzz-ng/CMakeLists.txt b/src/3rdparty/harfbuzz-ng/CMakeLists.txt index b03ad1279c..709a32f8ba 100644 --- a/src/3rdparty/harfbuzz-ng/CMakeLists.txt +++ b/src/3rdparty/harfbuzz-ng/CMakeLists.txt @@ -137,27 +137,32 @@ qt_internal_extend_target(BundledHarfbuzz CONDITION TRUE # special case src/hb-ot-post-table.hh src/hb-ot-post-table-v2subset.hh src/hb-ot-shape.cc src/hb-ot-shape.h src/hb-ot-shape.hh - src/hb-ot-shape-complex-arabic.cc src/hb-ot-shape-complex-arabic.hh - src/hb-ot-shape-complex-arabic-fallback.hh - src/hb-ot-shape-complex-arabic-joining-list.hh - src/hb-ot-shape-complex-arabic-table.hh - src/hb-ot-shape-complex-default.cc - src/hb-ot-shape-complex-hangul.cc - src/hb-ot-shape-complex-hebrew.cc - src/hb-ot-shape-complex-indic.cc src/hb-ot-shape-complex-indic.hh - src/hb-ot-shape-complex-indic-machine.hh - src/hb-ot-shape-complex-indic-table.cc - src/hb-ot-shape-complex-khmer.cc - src/hb-ot-shape-complex-myanmar.cc - src/hb-ot-shape-complex-myanmar-machine.hh - src/hb-ot-shape-complex-syllabic.cc src/hb-ot-shape-complex-syllabic.hh - src/hb-ot-shape-complex-thai.cc - src/hb-ot-shape-complex-use.cc - src/hb-ot-shape-complex-use-machine.hh - src/hb-ot-shape-complex-use-table.hh - src/hb-ot-shape-complex-vowel-constraints.cc src/hb-ot-shape-fallback.cc src/hb-ot-shape-fallback.hh src/hb-ot-shape-normalize.cc src/hb-ot-shape-normalize.hh + src/hb-ot-shaper-arabic-fallback.hh + src/hb-ot-shaper-arabic-joining-list.hh + src/hb-ot-shaper-arabic-pua.hh + src/hb-ot-shaper-arabic-table.hh + src/hb-ot-shaper-arabic.cc src/hb-ot-shaper-arabic.hh + src/hb-ot-shaper-default.cc + src/hb-ot-shaper-hangul.cc + src/hb-ot-shaper-hebrew.cc + src/hb-ot-shaper-indic-machine.hh + src/hb-ot-shaper-indic-table.cc + src/hb-ot-shaper-indic.cc src/hb-ot-shaper-indic.hh + src/hb-ot-shaper-khmer-machine.hh + src/hb-ot-shaper-khmer.cc + src/hb-ot-shaper-myanmar-machine.hh + src/hb-ot-shaper-myanmar.cc + src/hb-ot-shaper-syllabic.cc src/hb-ot-shaper-syllabic.hh + src/hb-ot-shaper-thai.cc + src/hb-ot-shaper-use-machine.hh + src/hb-ot-shaper-use-table.hh + src/hb-ot-shaper-use.cc + src/hb-ot-shaper-vowel-constraints.cc + src/hb-ot-shaper-vowel-constraints.hh + src/hb-ot-shaper.hh + src/hb-subset-accelerator.hh src/hb-ot-tag.cc src/hb-ot-var.cc src/hb-ot-var.h src/hb-ot-var-common.hh diff --git a/src/3rdparty/harfbuzz-ng/NEWS b/src/3rdparty/harfbuzz-ng/NEWS index 0559840cf3..73dcef083a 100644 --- a/src/3rdparty/harfbuzz-ng/NEWS +++ b/src/3rdparty/harfbuzz-ng/NEWS @@ -1,3 +1,233 @@ +Overview of changes leading to 6.0.0 +Friday, December 16, 2022 +==================================== +- A new API have been added to pre-process the face and speed up future + subsetting operations on that face. Provides up to a 95% reduction in + subsetting times when the same face is subset more than once. + + For more details and benchmarks, see: + https://github.com/harfbuzz/harfbuzz/blob/main/docs/subset-preprocessing.md + + (Garret Rieger, Behdad Esfahbod) + +- Shaping have been speedup by skipping entire lookups when the buffer contents + don't intersect with the lookup. Shows up to a 10% speedup in shaping some + fonts. (Behdad Esfahbod) + +- A new experimental feature, “Variable Composites” (enabled by passing + -Dexperimental_api=true to meson), is also featured in this release. + This technology enables drastic compression of fonts in the Chinese, + Japanese, Korean, and other writing systems, by reusing the OpenType Font + Variations technology for encoding “smart components” into the font. + + The specification for these extensions to the font format can be found in: + https://github.com/harfbuzz/boring-expansion-spec/blob/glyf1/glyf1.md + + A test variable-font with ~7160 Hangul syllables derived from the + NotoSerifKR-VF font has been built, with existing OpenType technology, as + well as with the new Variable Composites (VarComposites) technology. The + VarComposites font is over 90% smaller than the OpenType version of the font! + Both fonts can be obtained from the “smarties” repository: + https://github.com/behdad/smarties/tree/3.0/fonts/hangul/serif + + When building HarfBuzz with experimental features enabled, you can test + the “smarties” font with a sample character like this: + + $ hb-view butchered-hangul-serif-smarties-variable.ttf -u AE01 --variations=wght=700 + + (Behdad Esfahbod) + +- The HarfBuzz subsetter can now drop axes by pinning them to specific values + (also referred to as instancing). There are a couple of restrictions + currently: + + - Only works with TrueType (“glyf”) based fonts. “CFF2” fonts are not yet + supported. + - Only supports the case where all axes in a font are pinned. + + (Garret Rieger, Qunxin Liu) + +- Miscellaneous fixes and improvements. + + (Behdad Esfahbod, Christoph Reiter, David Corbett, Eli Schwartz, Garret + Rieger, Joel Auterson, Jordan Petridis, Khaled Hosny, Lorenz Wildberg, + Marco Rebhan, Martin Storsjö, Matthias Clasen, Qunxin Liu, Satadru Pramanik) + + +- New API ++hb_subset_input_pin_axis_location() ++hb_subset_input_pin_axis_to_default() ++hb_subset_preprocess() + + +Overview of changes leading to 5.3.1 +Wednesday, October 19, 2022 +==================================== +- Subsetter repacker fixes. (Garret Rieger) +- Adjust Grapheme clusters for Katakana voiced sound marks. (Behdad Esfahbod) +- New “hb-subset” option “--preprocess-face”. (Garret Rieger) + + +Overview of changes leading to 5.3.0 +Saturday, October 8, 2022 +"Women, Life, Freedom" #MahsaAmini +==================================== +- Don’t add glyphs from dropped MATH or COLR tables to the subset glyphs. + (Khaled Hosny) +- Map “rlig” to appropriate AAT feature selectors. (Jonathan Kew) +- Update USE data files to latest version. (David Corbett) +- Check “CBDT” extents first before outline tables, to help with fonts that + also include an empty “glyf” table. (Khaled Hosny) +- More work towards variable font instancing in the subsetter. (Qunxin Liu) +- Subsetter repacker improvements. (Garret Rieger) +- New API: ++hb_ot_layout_lookup_get_optical_bound() ++hb_face_builder_sort_tables() + + +Overview of changes leading to 5.2.0 +Saturday, September 17, 2022 +==================================== +- Fix regressions in hb-ft font functions for FT_Face’s with transformation + matrix. (Behdad Esfahbod) +- The experimental hb-repacker API now supports splitting several GPOS subtable + types when needed. (Garret Rieger) +- The HarfBuzz extensions to OpenType font format are now opt-in behind + build-time flags. (Behdad Esfahbod) +- The experimental hb-subset variable fonts instantiation API can now + instantiate more font tables and arbitrary axis locations. (Qunxin Liu) +- Unicode 15 support. (David Corbett) +- Various documentation improvements. (Behdad Esfahbod, Matthias Clasen) +- The hb-view command line tool now detects WezTerm inline images support. + (Wez Furlong) +- Fix FreeType and ICU dependency lookup with meson. (Xavier Claessens) + +- New API: ++HB_SCRIPT_KAWI ++HB_SCRIPT_NAG_MUNDARI + + +Overview of changes leading to 5.1.0 +Sunday, July 31, 2022 +==================================== +- More extensive buffer tracing messages. (Behdad Esfahbod) +- Fix hb-ft regression in bitmap fonts rendering. (Behdad Esfahbod) +- Support extension promotion of lookups in hb-subset-repacker. (Garret Rieger) +- A new HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL for scripts that use elongation + (e.g. Arabic) to signify where it is safe to insert tatweel glyph without + interrupting shaping. (Behdad Esfahbod) +- Add “--safe-to-insert-tatweel” to “hb-shape” tool. (Behdad Esfahbod) + +- New API ++HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL ++HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL + + +Overview of changes leading to 5.0.1 +Saturday, July 23, 2022 +==================================== +- Fix version 2 “avar” table with hb-ft. (Behdad Esfahbod) + + +Overview of changes leading to 5.0.0 +Saturday, July 23, 2022 +==================================== +- Support fonts with more than 65535 glyphs in “GDEF”, “GSUB”, and “GPOS” + tables. This is part of https://github.com/be-fonts/boring-expansion-spec to + extend OpenType in a backward-compatible way. + (Behdad Esfahbod, Garret Rieger) +- Complete support for more than 65535 glyphs in “glyf” table that started in + 4.0.0 release. Part of boring-expansion-spec. (Behdad Esfahbod) +- Support version 2 of “avar” table. Part of boring-expansion-spec. + (Behdad Esfahbod) +- Fix mark attachment on multiple substitutions in some cases. + (Behdad Esfahbod) +- Fix application of “calt”, “rclt”, and “ccmp” features to better match + Uniscribe behaviour with some Arabic fonts. (Behdad Esfahbod) +- Improvement to interaction between multiple cursive attachments. + (Behdad Esfahbod) +- Improve multiple mark interactions in Hebrew. (Behdad Esfahbod) +- Implement language-specific forms in AAT shaping. (Behdad Esfahbod) +- Fix variation of “VORG” table. (Behdad Esfahbod) +- Support for specific script tags to be retained in the subsetter, and add + “--layout-scripts” option to “hb-subset” tool. (Garret Rieger) +- Accept space as delimiter for --features/--variations in command line tools. +- Improve subsetting of “COLR” table. (Qunxin Liu) +- Improved fuzzing coverage for ot-math API. (Frédéric Wang) +- Fix “kern” table version 2 (AAT) sanitization on 32-bit systems. + (Behdad Esfahbod) +- Allow negative glyph advances from “graphite2” shaper. (Stephan Bergmann) +- Implement loading (color) bitmap fonts with hb-ft. (Behdad Esfahbod) +- Fix regression in hb-ft when changing font size. (Behdad Esfahbod) +- Fix build on GCC < 7. (Kleis Auke Wolthuizen) +- Dynamically load dwrite.dll on windows if “directwrite” shaper is enabled. + (Luca Bacci) +- Provide a single-file harfbuzz-subset.cc file for easier alternate building + of hb-subset library, similar to harfbuzz.cc. (Khaled Hosny) + +- New API ++HB_SUBSET_SETS_LAYOUT_SCRIPT_TAG ++hb_language_matches() + + +Overview of changes leading to 4.4.1 +Wednesday, June 29, 2022 +==================================== +- Fix test failure with some compilers. +- Fix Telugu and Kannada kerning regression. + + +Overview of changes leading to 4.4.0 +Monday, June 27, 2022 +==================================== +- Caching of variable fonts shaping, in particular when using HarfBuzz’s own + font loading functions (ot). Bringing performance of variable shaping in par + with non-variable fonts shaping. (Behdad Esfahbod) +- Caching of format 2 “Contextual Substitution” and “Chained Contexts + Substitution” lookups. Resulting in up to 20% speedup of lookup-heavy fonts + like Gulzar or Noto Nastaliq Urdu. (Behdad Esfahbod) +- Improved ANSI output from hb-view. (Behdad Esfahbod) +- Support for shaping legacy, pre-OpenType Windows 3.1-era, Arabic fonts that + relied on a fixed PUA encoding. (Khaled Hosny, Behdad Esfahbod) +- Sinhala script is now shaped by the USE shaper instead of “indic” one. + (Behdad Esfahbod, David Corbett) +- Thai shaper improvements. (David Corbett) +- hb-ot-name API supports approximate BCP-47 language matching, for example + asking for “en_US” in a font that has only “en” names will return them. + (Behdad Esfahbod) +- Optimized TrueType glyph shape loading. (Behdad Esfahbod) +- Fix subsetting of HarfBuzz faces created via hb_face_create_for_tables(). + (Garret Rieger) +- Add 32 bit var store support to the subsetter. (Garret Rieger) + +- New API ++HB_BUFFER_FLAG_DEFINED ++HB_BUFFER_SERIALIZE_FLAG_DEFINED ++hb_font_changed() ++hb_font_get_serial() ++hb_ft_hb_font_changed() ++hb_set_hash() ++hb_map_copy() ++hb_map_hash() + + +Overview of changes leading to 4.3.0 +Friday, May 20, 2022 +==================================== +- Major speed up in loading and subsetting fonts, especially in + handling CFF table. Subsetting some fonts is now 3 times faster. + (Behdad Esfahbod, Garret Rieger) +- Speed up blending CFF2 table. (Behdad Esfahbod) +- Speed up hb_ot_tags_from_language(). (Behdad Esfahbod, David Corbett) +- Fix USE classification of U+10A38 to fix multiple marks on single Kharoshthi + base. (David Corbett) +- Fix parsing of empty CFF Index. (Behdad Esfahbod) +- Fix subsetting CPAL table with partial palette overlaps. (Garret Rieger) + +- New API ++hb_map_is_equal() (Behdad Esfahbod) + + Overview of changes leading to 4.2.1 Sunday, April 24, 2022 ==================================== diff --git a/src/3rdparty/harfbuzz-ng/README.md b/src/3rdparty/harfbuzz-ng/README.md index fc12c65568..4202961e04 100644 --- a/src/3rdparty/harfbuzz-ng/README.md +++ b/src/3rdparty/harfbuzz-ng/README.md @@ -6,7 +6,12 @@ [![Codecov Code Coverage](https://codecov.io/gh/harfbuzz/harfbuzz/branch/main/graph/badge.svg)](https://codecov.io/gh/harfbuzz/harfbuzz) [![Packaging status](https://repology.org/badge/tiny-repos/harfbuzz.svg)](https://repology.org/project/harfbuzz/versions) -This is HarfBuzz, a text shaping library. +# HarfBuzz + +HarfBuzz is a text shaping engine. It primarily supports [OpenType][1], but also +[Apple Advanced Typography][2]. HarfBuzz is used in Android, Chrome, +ChromeOS, Firefox, GNOME, GTK+, KDE, LibreOffice, OpenJDK, PlayStation, Qt, +XeTeX, and other places. For bug reports, mailing list, and other information please visit: @@ -14,14 +19,66 @@ For bug reports, mailing list, and other information please visit: For license information, see [COPYING](COPYING). +## Documentation + +For user manual as well as API documentation, check: https://harfbuzz.github.io + +## Download + +For tarball releases of HarfBuzz, look [here][3]. At the same place you +will also find Win32/Win64 binary bundles that include libharfbuzz DLL, +hb-view.exe, hb-shape.exe, and all dependencies. + +The canonical source tree is available on [github][4]. + +The API that comes with `hb.h` will not change incompatibly. Other, peripheral, +headers are more likely to go through minor modifications, but again, we do our +best to never change API in an incompatible way. We will never break the ABI. + +If you are not sure whether Pango or HarfBuzz is right for you, read [Pango vs +HarfBuzz][5]. + +## Development + For build information, see [BUILD.md](BUILD.md). For custom configurations, see [CONFIG.md](CONFIG.md). -For test execution, see [TESTING.md](TESTING.md). +For testing and profiling, see [TESTING.md](TESTING.md). -Documentation: https://harfbuzz.github.io +To get a better idea of where HarfBuzz stands in the text rendering stack you +may want to read [State of Text Rendering][6], though, that document is many +years old. Here are a few presentation slides about HarfBuzz at the +Internationalization and Unicode Conference over the years: +* November 2014, [Unicode, OpenType, and HarfBuzz: Closing the Circle][7], +* October 2012, [HarfBuzz, The Free and Open Text Shaping Engine][8], +* October 2009, [HarfBuzz: the Free and Open Shaping Engine][9]. + +Both development and user support discussion around HarfBuzz happens on the +[github][4]. + +To report bugs or submit patches please use [github][4] issues and +pull-requests. + +For a comparison of old vs new HarfBuzz memory consumption see [this][10]. + + + +## Name + +HarfBuzz (حرف‌باز) is my Persian translation of “[OpenType][1]”, +transliterated using the Latin script. It sports a second meaning, but that +ain’t translatable. + +> Background: Originally there was this font format called TrueType. People and +> companies started calling their type engines all things ending in Type: +> FreeType, CoolType, ClearType, etc. And then came OpenType, which is the +> successor of TrueType. So, for my OpenType implementation, I decided to stick +> with the concept but use the Persian translation. Which is fitting given that +> Persian is written in the Arabic script, and OpenType is an extension of +> TrueType that adds support for complex script rendering, and HarfBuzz is an +> implementation of OpenType complex text shaping.
Packaging status of HarfBuzz @@ -29,3 +86,14 @@ Documentation: https://harfbuzz.github.io [![Packaging status](https://repology.org/badge/vertical-allrepos/harfbuzz.svg?header=harfbuzz)](https://repology.org/project/harfbuzz/versions)
+ +[1]: https://docs.microsoft.com/en-us/typography/opentype/spec/ +[2]: https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6AATIntro.html +[3]: https://github.com/harfbuzz/harfbuzz/releases +[4]: https://github.com/harfbuzz/harfbuzz +[5]: http://mces.blogspot.com/2009/11/pango-vs-harfbuzz.html +[6]: http://behdad.org/text/ +[7]: https://goo.gl/FSIQuC +[8]: https://goo.gl/2wSRu +[9]: http://behdad.org/download/Presentations/slippy/harfbuzz_slides.pdf +[10]: https://goo.gl/woyty diff --git a/src/3rdparty/harfbuzz-ng/import_from_tarball.sh b/src/3rdparty/harfbuzz-ng/import_from_tarball.sh index 7bcaf22cdc..627cc51b28 100644 --- a/src/3rdparty/harfbuzz-ng/import_from_tarball.sh +++ b/src/3rdparty/harfbuzz-ng/import_from_tarball.sh @@ -90,16 +90,4 @@ for i in ${FILES[*]}; do copy_file_or_dir "$i" done -CODEFILES=($HB_DIR/src/*.cc - $HB_DIR/src/*.hh - $HB_DIR/src/*.h) - -for i in ${CODEFILES[*]}; do - cp $i $TARGET_DIR/src/ -done - -GSUBFILES=($HB_DIR/src/OT/Layout/GSUB/*.hh) - -for i in ${GSUBFILES[*]}; do - cp $i $TARGET_DIR/src/OT/Layout/GSUB/ -done +cp -R $HB_DIR/src $TARGET_DIR diff --git a/src/3rdparty/harfbuzz-ng/qt_attribution.json b/src/3rdparty/harfbuzz-ng/qt_attribution.json index d5e2bccfa0..4aefc44203 100644 --- a/src/3rdparty/harfbuzz-ng/qt_attribution.json +++ b/src/3rdparty/harfbuzz-ng/qt_attribution.json @@ -6,7 +6,7 @@ "Description": "HarfBuzz is an OpenType text shaping engine.", "Homepage": "http://harfbuzz.org", - "Version": "4.2.1", + "Version": "6.0.0", "License": "MIT License", "LicenseId": "MIT", diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/Coverage.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/Coverage.hh new file mode 100644 index 0000000000..fbd7c642ab --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/Coverage.hh @@ -0,0 +1,336 @@ +/* + * Copyright © 2007,2008,2009 Red Hat, Inc. + * Copyright © 2010,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod, Garret Rieger + */ + +#ifndef OT_LAYOUT_COMMON_COVERAGE_HH +#define OT_LAYOUT_COMMON_COVERAGE_HH + +#include "../types.hh" +#include "CoverageFormat1.hh" +#include "CoverageFormat2.hh" + +namespace OT { +namespace Layout { +namespace Common { + +template +static inline void Coverage_serialize (hb_serialize_context_t *c, + Iterator it); + +struct Coverage +{ + + protected: + union { + HBUINT16 format; /* Format identifier */ + CoverageFormat1_3 format1; + CoverageFormat2_4 format2; +#ifndef HB_NO_BEYOND_64K + CoverageFormat1_3format3; + CoverageFormat2_4format4; +#endif + } u; + public: + DEFINE_SIZE_UNION (2, format); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + if (!u.format.sanitize (c)) return_trace (false); + switch (u.format) + { + case 1: return_trace (u.format1.sanitize (c)); + case 2: return_trace (u.format2.sanitize (c)); +#ifndef HB_NO_BEYOND_64K + case 3: return_trace (u.format3.sanitize (c)); + case 4: return_trace (u.format4.sanitize (c)); +#endif + default:return_trace (true); + } + } + + /* Has interface. */ + unsigned operator [] (hb_codepoint_t k) const { return get (k); } + bool has (hb_codepoint_t k) const { return (*this)[k] != NOT_COVERED; } + /* Predicate. */ + bool operator () (hb_codepoint_t k) const { return has (k); } + + unsigned int get (hb_codepoint_t k) const { return get_coverage (k); } + unsigned int get_coverage (hb_codepoint_t glyph_id) const + { + switch (u.format) { + case 1: return u.format1.get_coverage (glyph_id); + case 2: return u.format2.get_coverage (glyph_id); +#ifndef HB_NO_BEYOND_64K + case 3: return u.format3.get_coverage (glyph_id); + case 4: return u.format4.get_coverage (glyph_id); +#endif + default:return NOT_COVERED; + } + } + + unsigned get_population () const + { + switch (u.format) { + case 1: return u.format1.get_population (); + case 2: return u.format2.get_population (); +#ifndef HB_NO_BEYOND_64K + case 3: return u.format3.get_population (); + case 4: return u.format4.get_population (); +#endif + default:return NOT_COVERED; + } + } + + template + bool serialize (hb_serialize_context_t *c, Iterator glyphs) + { + TRACE_SERIALIZE (this); + if (unlikely (!c->extend_min (this))) return_trace (false); + + unsigned count = 0; + unsigned num_ranges = 0; + hb_codepoint_t last = (hb_codepoint_t) -2; + for (auto g: glyphs) + { + if (last + 1 != g) + num_ranges++; + last = g; + count++; + } + u.format = count <= num_ranges * 3 ? 1 : 2; + +#ifndef HB_NO_BEYOND_64K + if (count && last > 0xFFFFu) + u.format += 2; +#endif + + switch (u.format) + { + case 1: return_trace (u.format1.serialize (c, glyphs)); + case 2: return_trace (u.format2.serialize (c, glyphs)); +#ifndef HB_NO_BEYOND_64K + case 3: return_trace (u.format3.serialize (c, glyphs)); + case 4: return_trace (u.format4.serialize (c, glyphs)); +#endif + default:return_trace (false); + } + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + auto it = + + iter () + | hb_filter (c->plan->glyph_map_gsub) + | hb_map_retains_sorting (c->plan->glyph_map_gsub) + ; + + // Cache the iterator result as it will be iterated multiple times + // by the serialize code below. + hb_sorted_vector_t glyphs (it); + Coverage_serialize (c->serializer, glyphs.iter ()); + return_trace (bool (glyphs)); + } + + bool intersects (const hb_set_t *glyphs) const + { + switch (u.format) + { + case 1: return u.format1.intersects (glyphs); + case 2: return u.format2.intersects (glyphs); +#ifndef HB_NO_BEYOND_64K + case 3: return u.format3.intersects (glyphs); + case 4: return u.format4.intersects (glyphs); +#endif + default:return false; + } + } + bool intersects_coverage (const hb_set_t *glyphs, unsigned int index) const + { + switch (u.format) + { + case 1: return u.format1.intersects_coverage (glyphs, index); + case 2: return u.format2.intersects_coverage (glyphs, index); +#ifndef HB_NO_BEYOND_64K + case 3: return u.format3.intersects_coverage (glyphs, index); + case 4: return u.format4.intersects_coverage (glyphs, index); +#endif + default:return false; + } + } + + /* Might return false if array looks unsorted. + * Used for faster rejection of corrupt data. */ + template + bool collect_coverage (set_t *glyphs) const + { + switch (u.format) + { + case 1: return u.format1.collect_coverage (glyphs); + case 2: return u.format2.collect_coverage (glyphs); +#ifndef HB_NO_BEYOND_64K + case 3: return u.format3.collect_coverage (glyphs); + case 4: return u.format4.collect_coverage (glyphs); +#endif + default:return false; + } + } + + template + void intersect_set (const hb_set_t &glyphs, IterableOut&& intersect_glyphs) const + { + switch (u.format) + { + case 1: return u.format1.intersect_set (glyphs, intersect_glyphs); + case 2: return u.format2.intersect_set (glyphs, intersect_glyphs); +#ifndef HB_NO_BEYOND_64K + case 3: return u.format3.intersect_set (glyphs, intersect_glyphs); + case 4: return u.format4.intersect_set (glyphs, intersect_glyphs); +#endif + default:return ; + } + } + + struct iter_t : hb_iter_with_fallback_t + { + static constexpr bool is_sorted_iterator = true; + iter_t (const Coverage &c_ = Null (Coverage)) + { + hb_memset (this, 0, sizeof (*this)); + format = c_.u.format; + switch (format) + { + case 1: u.format1.init (c_.u.format1); return; + case 2: u.format2.init (c_.u.format2); return; +#ifndef HB_NO_BEYOND_64K + case 3: u.format3.init (c_.u.format3); return; + case 4: u.format4.init (c_.u.format4); return; +#endif + default: return; + } + } + bool __more__ () const + { + switch (format) + { + case 1: return u.format1.__more__ (); + case 2: return u.format2.__more__ (); +#ifndef HB_NO_BEYOND_64K + case 3: return u.format3.__more__ (); + case 4: return u.format4.__more__ (); +#endif + default:return false; + } + } + void __next__ () + { + switch (format) + { + case 1: u.format1.__next__ (); break; + case 2: u.format2.__next__ (); break; +#ifndef HB_NO_BEYOND_64K + case 3: u.format3.__next__ (); break; + case 4: u.format4.__next__ (); break; +#endif + default: break; + } + } + typedef hb_codepoint_t __item_t__; + __item_t__ __item__ () const { return get_glyph (); } + + hb_codepoint_t get_glyph () const + { + switch (format) + { + case 1: return u.format1.get_glyph (); + case 2: return u.format2.get_glyph (); +#ifndef HB_NO_BEYOND_64K + case 3: return u.format3.get_glyph (); + case 4: return u.format4.get_glyph (); +#endif + default:return 0; + } + } + bool operator != (const iter_t& o) const + { + if (unlikely (format != o.format)) return true; + switch (format) + { + case 1: return u.format1 != o.u.format1; + case 2: return u.format2 != o.u.format2; +#ifndef HB_NO_BEYOND_64K + case 3: return u.format3 != o.u.format3; + case 4: return u.format4 != o.u.format4; +#endif + default:return false; + } + } + iter_t __end__ () const + { + iter_t it = {}; + it.format = format; + switch (format) + { + case 1: it.u.format1 = u.format1.__end__ (); break; + case 2: it.u.format2 = u.format2.__end__ (); break; +#ifndef HB_NO_BEYOND_64K + case 3: it.u.format3 = u.format3.__end__ (); break; + case 4: it.u.format4 = u.format4.__end__ (); break; +#endif + default: break; + } + return it; + } + + private: + unsigned int format; + union { +#ifndef HB_NO_BEYOND_64K + CoverageFormat2_4::iter_t format4; /* Put this one first since it's larger; helps shut up compiler. */ + CoverageFormat1_3::iter_t format3; +#endif + CoverageFormat2_4::iter_t format2; /* Put this one first since it's larger; helps shut up compiler. */ + CoverageFormat1_3::iter_t format1; + } u; + }; + iter_t iter () const { return iter_t (*this); } +}; + +template +static inline void +Coverage_serialize (hb_serialize_context_t *c, + Iterator it) +{ c->start_embed ()->serialize (c, it); } + +} +} +} + +#endif // #ifndef OT_LAYOUT_COMMON_COVERAGE_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat1.hh new file mode 100644 index 0000000000..5d68e3d15e --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat1.hh @@ -0,0 +1,133 @@ +/* + * Copyright © 2007,2008,2009 Red Hat, Inc. + * Copyright © 2010,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod, Garret Rieger + */ + + +#ifndef OT_LAYOUT_COMMON_COVERAGEFORMAT1_HH +#define OT_LAYOUT_COMMON_COVERAGEFORMAT1_HH + +namespace OT { +namespace Layout { +namespace Common { + +#define NOT_COVERED ((unsigned int) -1) + +template +struct CoverageFormat1_3 +{ + friend struct Coverage; + + protected: + HBUINT16 coverageFormat; /* Format identifier--format = 1 */ + SortedArray16Of + glyphArray; /* Array of GlyphIDs--in numerical order */ + public: + DEFINE_SIZE_ARRAY (4, glyphArray); + + private: + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (glyphArray.sanitize (c)); + } + + unsigned int get_coverage (hb_codepoint_t glyph_id) const + { + unsigned int i; + glyphArray.bfind (glyph_id, &i, HB_NOT_FOUND_STORE, NOT_COVERED); + return i; + } + + unsigned get_population () const + { + return glyphArray.len; + } + + template + bool serialize (hb_serialize_context_t *c, Iterator glyphs) + { + TRACE_SERIALIZE (this); + return_trace (glyphArray.serialize (c, glyphs)); + } + + bool intersects (const hb_set_t *glyphs) const + { + if (glyphArray.len > glyphs->get_population () * hb_bit_storage ((unsigned) glyphArray.len) / 2) + { + for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);) + if (get_coverage (g) != NOT_COVERED) + return true; + return false; + } + + for (const auto& g : glyphArray.as_array ()) + if (glyphs->has (g)) + return true; + return false; + } + bool intersects_coverage (const hb_set_t *glyphs, unsigned int index) const + { return glyphs->has (glyphArray[index]); } + + template + void intersect_set (const hb_set_t &glyphs, IterableOut&& intersect_glyphs) const + { + unsigned count = glyphArray.len; + for (unsigned i = 0; i < count; i++) + if (glyphs.has (glyphArray[i])) + intersect_glyphs << glyphArray[i]; + } + + template + bool collect_coverage (set_t *glyphs) const + { return glyphs->add_sorted_array (glyphArray.as_array ()); } + + public: + /* Older compilers need this to be public. */ + struct iter_t + { + void init (const struct CoverageFormat1_3 &c_) { c = &c_; i = 0; } + bool __more__ () const { return i < c->glyphArray.len; } + void __next__ () { i++; } + hb_codepoint_t get_glyph () const { return c->glyphArray[i]; } + bool operator != (const iter_t& o) const + { return i != o.i; } + iter_t __end__ () const { iter_t it; it.init (*c); it.i = c->glyphArray.len; return it; } + + private: + const struct CoverageFormat1_3 *c; + unsigned int i; + }; + private: +}; + +} +} +} + +#endif // #ifndef OT_LAYOUT_COMMON_COVERAGEFORMAT1_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat2.hh new file mode 100644 index 0000000000..d7fcc35202 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/CoverageFormat2.hh @@ -0,0 +1,232 @@ +/* + * Copyright © 2007,2008,2009 Red Hat, Inc. + * Copyright © 2010,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod, Garret Rieger + */ + +#ifndef OT_LAYOUT_COMMON_COVERAGEFORMAT2_HH +#define OT_LAYOUT_COMMON_COVERAGEFORMAT2_HH + +#include "RangeRecord.hh" + +namespace OT { +namespace Layout { +namespace Common { + +template +struct CoverageFormat2_4 +{ + friend struct Coverage; + + protected: + HBUINT16 coverageFormat; /* Format identifier--format = 2 */ + SortedArray16Of> + rangeRecord; /* Array of glyph ranges--ordered by + * Start GlyphID. rangeCount entries + * long */ + public: + DEFINE_SIZE_ARRAY (4, rangeRecord); + + private: + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (rangeRecord.sanitize (c)); + } + + unsigned int get_coverage (hb_codepoint_t glyph_id) const + { + const RangeRecord &range = rangeRecord.bsearch (glyph_id); + return likely (range.first <= range.last) + ? (unsigned int) range.value + (glyph_id - range.first) + : NOT_COVERED; + } + + unsigned get_population () const + { + typename Types::large_int ret = 0; + for (const auto &r : rangeRecord) + ret += r.get_population (); + return ret > UINT_MAX ? UINT_MAX : (unsigned) ret; + } + + template + bool serialize (hb_serialize_context_t *c, Iterator glyphs) + { + TRACE_SERIALIZE (this); + if (unlikely (!c->extend_min (this))) return_trace (false); + + unsigned num_ranges = 0; + hb_codepoint_t last = (hb_codepoint_t) -2; + for (auto g: glyphs) + { + if (last + 1 != g) + num_ranges++; + last = g; + } + + if (unlikely (!rangeRecord.serialize (c, num_ranges))) return_trace (false); + if (!num_ranges) return_trace (true); + + unsigned count = 0; + unsigned range = (unsigned) -1; + last = (hb_codepoint_t) -2; + for (auto g: glyphs) + { + if (last + 1 != g) + { + range++; + rangeRecord[range].first = g; + rangeRecord[range].value = count; + } + rangeRecord[range].last = g; + last = g; + count++; + } + + return_trace (true); + } + + bool intersects (const hb_set_t *glyphs) const + { + if (rangeRecord.len > glyphs->get_population () * hb_bit_storage ((unsigned) rangeRecord.len) / 2) + { + for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);) + if (get_coverage (g) != NOT_COVERED) + return true; + return false; + } + + return hb_any (+ hb_iter (rangeRecord) + | hb_map ([glyphs] (const RangeRecord &range) { return range.intersects (*glyphs); })); + } + bool intersects_coverage (const hb_set_t *glyphs, unsigned int index) const + { + auto *range = rangeRecord.as_array ().bsearch (index); + if (range) + return range->intersects (*glyphs); + return false; + } + + template + void intersect_set (const hb_set_t &glyphs, IterableOut&& intersect_glyphs) const + { + /* Break out of loop for overlapping, broken, tables, + * to avoid fuzzer timouts. */ + hb_codepoint_t last = 0; + for (const auto& range : rangeRecord) + { + if (unlikely (range.first < last)) + break; + last = range.last; + for (hb_codepoint_t g = range.first - 1; + glyphs.next (&g) && g <= last;) + intersect_glyphs << g; + } + } + + template + bool collect_coverage (set_t *glyphs) const + { + for (const auto& range: rangeRecord) + if (unlikely (!range.collect_coverage (glyphs))) + return false; + return true; + } + + public: + /* Older compilers need this to be public. */ + struct iter_t + { + void init (const CoverageFormat2_4 &c_) + { + c = &c_; + coverage = 0; + i = 0; + j = c->rangeRecord.len ? c->rangeRecord[0].first : 0; + if (unlikely (c->rangeRecord[0].first > c->rangeRecord[0].last)) + { + /* Broken table. Skip. */ + i = c->rangeRecord.len; + j = 0; + } + } + bool __more__ () const { return i < c->rangeRecord.len; } + void __next__ () + { + if (j >= c->rangeRecord[i].last) + { + i++; + if (__more__ ()) + { + unsigned int old = coverage; + j = c->rangeRecord[i].first; + coverage = c->rangeRecord[i].value; + if (unlikely (coverage != old + 1)) + { + /* Broken table. Skip. Important to avoid DoS. + * Also, our callers depend on coverage being + * consecutive and monotonically increasing, + * ie. iota(). */ + i = c->rangeRecord.len; + j = 0; + return; + } + } + else + j = 0; + return; + } + coverage++; + j++; + } + hb_codepoint_t get_glyph () const { return j; } + bool operator != (const iter_t& o) const + { return i != o.i || j != o.j; } + iter_t __end__ () const + { + iter_t it; + it.init (*c); + it.i = c->rangeRecord.len; + it.j = 0; + return it; + } + + private: + const struct CoverageFormat2_4 *c; + unsigned int i, coverage; + hb_codepoint_t j; + }; + private: +}; + +} +} +} + +#endif // #ifndef OT_LAYOUT_COMMON_COVERAGEFORMAT2_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/RangeRecord.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/RangeRecord.hh new file mode 100644 index 0000000000..a62629fad3 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/Common/RangeRecord.hh @@ -0,0 +1,85 @@ +/* + * Copyright © 2007,2008,2009 Red Hat, Inc. + * Copyright © 2010,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod, Garret Rieger + */ + +#ifndef OT_LAYOUT_COMMON_RANGERECORD_HH +#define OT_LAYOUT_COMMON_RANGERECORD_HH + +namespace OT { +namespace Layout { +namespace Common { + +template +struct RangeRecord +{ + typename Types::HBGlyphID first; /* First GlyphID in the range */ + typename Types::HBGlyphID last; /* Last GlyphID in the range */ + HBUINT16 value; /* Value */ + + DEFINE_SIZE_STATIC (2 + 2 * Types::size); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this)); + } + + int cmp (hb_codepoint_t g) const + { return g < first ? -1 : g <= last ? 0 : +1; } + + unsigned get_population () const + { + if (unlikely (last < first)) return 0; + return (last - first + 1); + } + + bool intersects (const hb_set_t &glyphs) const + { return glyphs.intersects (first, last); } + + template + bool collect_coverage (set_t *glyphs) const + { return glyphs->add_range (first, last); } +}; + +} +} +} + +// TODO(garretrieger): This was previously implemented using +// DECLARE_NULL_NAMESPACE_BYTES_TEMPLATE1 (OT, RangeRecord, 9); +// but that only works when there is only a single namespace level. +// The macro should probably be fixed so it can work in this situation. +extern HB_INTERNAL const unsigned char _hb_Null_OT_RangeRecord[9]; +template +struct Null> { + static OT::Layout::Common::RangeRecord const & get_null () { + return *reinterpret_cast *> (_hb_Null_OT_RangeRecord); + } +}; + + +#endif // #ifndef OT_LAYOUT_COMMON_RANGERECORD_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Anchor.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Anchor.hh new file mode 100644 index 0000000000..49e76e7750 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Anchor.hh @@ -0,0 +1,83 @@ +#ifndef OT_LAYOUT_GPOS_ANCHOR_HH +#define OT_LAYOUT_GPOS_ANCHOR_HH + +#include "AnchorFormat1.hh" +#include "AnchorFormat2.hh" +#include "AnchorFormat3.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct Anchor +{ + protected: + union { + HBUINT16 format; /* Format identifier */ + AnchorFormat1 format1; + AnchorFormat2 format2; + AnchorFormat3 format3; + } u; + public: + DEFINE_SIZE_UNION (2, format); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + if (!u.format.sanitize (c)) return_trace (false); + switch (u.format) { + case 1: return_trace (u.format1.sanitize (c)); + case 2: return_trace (u.format2.sanitize (c)); + case 3: return_trace (u.format3.sanitize (c)); + default:return_trace (true); + } + } + + void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id, + float *x, float *y) const + { + *x = *y = 0; + switch (u.format) { + case 1: u.format1.get_anchor (c, glyph_id, x, y); return; + case 2: u.format2.get_anchor (c, glyph_id, x, y); return; + case 3: u.format3.get_anchor (c, glyph_id, x, y); return; + default: return; + } + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + switch (u.format) { + case 1: return_trace (bool (reinterpret_cast (u.format1.copy (c->serializer)))); + case 2: + if (c->plan->flags & HB_SUBSET_FLAGS_NO_HINTING) + { + // AnchorFormat 2 just containins extra hinting information, so + // if hints are being dropped convert to format 1. + return_trace (bool (reinterpret_cast (u.format1.copy (c->serializer)))); + } + return_trace (bool (reinterpret_cast (u.format2.copy (c->serializer)))); + case 3: return_trace (u.format3.subset (c)); + default:return_trace (false); + } + } + + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + switch (u.format) { + case 1: case 2: + return; + case 3: + u.format3.collect_variation_indices (c); + return; + default: return; + } + } +}; + +} +} +} + +#endif // OT_LAYOUT_GPOS_ANCHOR_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat1.hh new file mode 100644 index 0000000000..738cc31bbf --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat1.hh @@ -0,0 +1,46 @@ +#ifndef OT_LAYOUT_GPOS_ANCHORFORMAT1_HH +#define OT_LAYOUT_GPOS_ANCHORFORMAT1_HH + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct AnchorFormat1 +{ + protected: + HBUINT16 format; /* Format identifier--format = 1 */ + FWORD xCoordinate; /* Horizontal value--in design units */ + FWORD yCoordinate; /* Vertical value--in design units */ + public: + DEFINE_SIZE_STATIC (6); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this)); + } + + void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED, + float *x, float *y) const + { + hb_font_t *font = c->font; + *x = font->em_fscale_x (xCoordinate); + *y = font->em_fscale_y (yCoordinate); + } + + AnchorFormat1* copy (hb_serialize_context_t *c) const + { + TRACE_SERIALIZE (this); + AnchorFormat1* out = c->embed (this); + if (!out) return_trace (out); + out->format = 1; + return_trace (out); + } +}; + + +} +} +} + +#endif // OT_LAYOUT_GPOS_ANCHORFORMAT1_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh new file mode 100644 index 0000000000..70b4d19f53 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat2.hh @@ -0,0 +1,58 @@ +#ifndef OT_LAYOUT_GPOS_ANCHORFORMAT2_HH +#define OT_LAYOUT_GPOS_ANCHORFORMAT2_HH + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct AnchorFormat2 +{ + + protected: + HBUINT16 format; /* Format identifier--format = 2 */ + FWORD xCoordinate; /* Horizontal value--in design units */ + FWORD yCoordinate; /* Vertical value--in design units */ + HBUINT16 anchorPoint; /* Index to glyph contour point */ + public: + DEFINE_SIZE_STATIC (8); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this)); + } + + void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id, + float *x, float *y) const + { + hb_font_t *font = c->font; + +#ifdef HB_NO_HINTING + *x = font->em_fscale_x (xCoordinate); + *y = font->em_fscale_y (yCoordinate); + return; +#endif + + unsigned int x_ppem = font->x_ppem; + unsigned int y_ppem = font->y_ppem; + hb_position_t cx = 0, cy = 0; + bool ret; + + ret = (x_ppem || y_ppem) && + font->get_glyph_contour_point_for_origin (glyph_id, anchorPoint, HB_DIRECTION_LTR, &cx, &cy); + *x = ret && x_ppem ? cx : font->em_fscale_x (xCoordinate); + *y = ret && y_ppem ? cy : font->em_fscale_y (yCoordinate); + } + + AnchorFormat2* copy (hb_serialize_context_t *c) const + { + TRACE_SERIALIZE (this); + return_trace (c->embed (this)); + } +}; + +} +} +} + +#endif // OT_LAYOUT_GPOS_ANCHORFORMAT2_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat3.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat3.hh new file mode 100644 index 0000000000..2e30ab33c3 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorFormat3.hh @@ -0,0 +1,100 @@ +#ifndef OT_LAYOUT_GPOS_ANCHORFORMAT3_HH +#define OT_LAYOUT_GPOS_ANCHORFORMAT3_HH + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct AnchorFormat3 +{ + protected: + HBUINT16 format; /* Format identifier--format = 3 */ + FWORD xCoordinate; /* Horizontal value--in design units */ + FWORD yCoordinate; /* Vertical value--in design units */ + Offset16To + xDeviceTable; /* Offset to Device table for X + * coordinate-- from beginning of + * Anchor table (may be NULL) */ + Offset16To + yDeviceTable; /* Offset to Device table for Y + * coordinate-- from beginning of + * Anchor table (may be NULL) */ + public: + DEFINE_SIZE_STATIC (10); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this) && xDeviceTable.sanitize (c, this) && yDeviceTable.sanitize (c, this)); + } + + void get_anchor (hb_ot_apply_context_t *c, hb_codepoint_t glyph_id HB_UNUSED, + float *x, float *y) const + { + hb_font_t *font = c->font; + *x = font->em_fscale_x (xCoordinate); + *y = font->em_fscale_y (yCoordinate); + + if (font->x_ppem || font->num_coords) + *x += (this+xDeviceTable).get_x_delta (font, c->var_store, c->var_store_cache); + if (font->y_ppem || font->num_coords) + *y += (this+yDeviceTable).get_y_delta (font, c->var_store, c->var_store_cache); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->start_embed (*this); + if (unlikely (!out)) return_trace (false); + if (unlikely (!c->serializer->embed (format))) return_trace (false); + if (unlikely (!c->serializer->embed (xCoordinate))) return_trace (false); + if (unlikely (!c->serializer->embed (yCoordinate))) return_trace (false); + + unsigned x_varidx = xDeviceTable ? (this+xDeviceTable).get_variation_index () : HB_OT_LAYOUT_NO_VARIATIONS_INDEX; + if (c->plan->layout_variation_idx_delta_map->has (x_varidx)) + { + int delta = hb_second (c->plan->layout_variation_idx_delta_map->get (x_varidx)); + if (delta != 0) + { + if (!c->serializer->check_assign (out->xCoordinate, xCoordinate + delta, + HB_SERIALIZE_ERROR_INT_OVERFLOW)) + return_trace (false); + } + } + + unsigned y_varidx = yDeviceTable ? (this+yDeviceTable).get_variation_index () : HB_OT_LAYOUT_NO_VARIATIONS_INDEX; + if (c->plan->layout_variation_idx_delta_map->has (y_varidx)) + { + int delta = hb_second (c->plan->layout_variation_idx_delta_map->get (y_varidx)); + if (delta != 0) + { + if (!c->serializer->check_assign (out->yCoordinate, yCoordinate + delta, + HB_SERIALIZE_ERROR_INT_OVERFLOW)) + return_trace (false); + } + } + + if (c->plan->all_axes_pinned) + return_trace (c->serializer->check_assign (out->format, 1, HB_SERIALIZE_ERROR_INT_OVERFLOW)); + + if (!c->serializer->embed (xDeviceTable)) return_trace (false); + if (!c->serializer->embed (yDeviceTable)) return_trace (false); + + out->xDeviceTable.serialize_copy (c->serializer, xDeviceTable, this, 0, hb_serialize_context_t::Head, c->plan->layout_variation_idx_delta_map); + out->yDeviceTable.serialize_copy (c->serializer, yDeviceTable, this, 0, hb_serialize_context_t::Head, c->plan->layout_variation_idx_delta_map); + return_trace (out); + } + + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + (this+xDeviceTable).collect_variation_indices (c); + (this+yDeviceTable).collect_variation_indices (c); + } +}; + + +} +} +} + +#endif // OT_LAYOUT_GPOS_ANCHORFORMAT3_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh new file mode 100644 index 0000000000..c442efa1ea --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh @@ -0,0 +1,77 @@ +#ifndef OT_LAYOUT_GPOS_ANCHORMATRIX_HH +#define OT_LAYOUT_GPOS_ANCHORMATRIX_HH + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct AnchorMatrix +{ + HBUINT16 rows; /* Number of rows */ + UnsizedArrayOf> + matrixZ; /* Matrix of offsets to Anchor tables-- + * from beginning of AnchorMatrix table */ + public: + DEFINE_SIZE_ARRAY (2, matrixZ); + + bool sanitize (hb_sanitize_context_t *c, unsigned int cols) const + { + TRACE_SANITIZE (this); + if (!c->check_struct (this)) return_trace (false); + if (unlikely (hb_unsigned_mul_overflows (rows, cols))) return_trace (false); + unsigned int count = rows * cols; + if (!c->check_array (matrixZ.arrayZ, count)) return_trace (false); + for (unsigned int i = 0; i < count; i++) + if (!matrixZ[i].sanitize (c, this)) return_trace (false); + return_trace (true); + } + + const Anchor& get_anchor (unsigned int row, unsigned int col, + unsigned int cols, bool *found) const + { + *found = false; + if (unlikely (row >= rows || col >= cols)) return Null (Anchor); + *found = !matrixZ[row * cols + col].is_null (); + return this+matrixZ[row * cols + col]; + } + + template + void collect_variation_indices (hb_collect_variation_indices_context_t *c, + Iterator index_iter) const + { + for (unsigned i : index_iter) + (this+matrixZ[i]).collect_variation_indices (c); + } + + template + bool subset (hb_subset_context_t *c, + unsigned num_rows, + Iterator index_iter) const + { + TRACE_SUBSET (this); + + auto *out = c->serializer->start_embed (this); + + if (!index_iter) return_trace (false); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + + out->rows = num_rows; + for (const unsigned i : index_iter) + { + auto *offset = c->serializer->embed (matrixZ[i]); + if (!offset) return_trace (false); + offset->serialize_subset (c, matrixZ[i], this); + } + + return_trace (true); + } +}; + + +} +} +} + +#endif /* OT_LAYOUT_GPOS_ANCHORMATRIX_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ChainContextPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ChainContextPos.hh new file mode 100644 index 0000000000..d551ac2a2b --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ChainContextPos.hh @@ -0,0 +1,14 @@ +#ifndef OT_LAYOUT_GPOS_CHAINCONTEXTPOS_HH +#define OT_LAYOUT_GPOS_CHAINCONTEXTPOS_HH + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct ChainContextPos : ChainContext {}; + +} +} +} + +#endif /* OT_LAYOUT_GPOS_CHAINCONTEXTPOS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Common.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Common.hh new file mode 100644 index 0000000000..408197454f --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/Common.hh @@ -0,0 +1,33 @@ +#ifndef OT_LAYOUT_GPOS_COMMON_HH +#define OT_LAYOUT_GPOS_COMMON_HH + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +enum attach_type_t { + ATTACH_TYPE_NONE = 0X00, + + /* Each attachment should be either a mark or a cursive; can't be both. */ + ATTACH_TYPE_MARK = 0X01, + ATTACH_TYPE_CURSIVE = 0X02, +}; + +/* buffer **position** var allocations */ +#define attach_chain() var.i16[0] /* glyph to which this attaches to, relative to current glyphs; negative for going back, positive for forward. */ +#define attach_type() var.u8[2] /* attachment type */ +/* Note! if attach_chain() is zero, the value of attach_type() is irrelevant. */ + +template +static void SinglePos_serialize (hb_serialize_context_t *c, + const SrcLookup *src, + Iterator it, + const hb_hashmap_t> *layout_variation_idx_delta_map, + bool all_axes_pinned); + + +} +} +} + +#endif // OT_LAYOUT_GPOS_COMMON_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ContextPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ContextPos.hh new file mode 100644 index 0000000000..2a01eaa3a6 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ContextPos.hh @@ -0,0 +1,14 @@ +#ifndef OT_LAYOUT_GPOS_CONTEXTPOS_HH +#define OT_LAYOUT_GPOS_CONTEXTPOS_HH + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct ContextPos : Context {}; + +} +} +} + +#endif /* OT_LAYOUT_GPOS_CONTEXTPOS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePos.hh new file mode 100644 index 0000000000..c105cfb091 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePos.hh @@ -0,0 +1,35 @@ +#ifndef OT_LAYOUT_GPOS_CURSIVEPOS_HH +#define OT_LAYOUT_GPOS_CURSIVEPOS_HH + +#include "CursivePosFormat1.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct CursivePos +{ + protected: + union { + HBUINT16 format; /* Format identifier */ + CursivePosFormat1 format1; + } u; + + public: + template + typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const + { + TRACE_DISPATCH (this, u.format); + if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ()); + switch (u.format) { + case 1: return_trace (c->dispatch (u.format1, std::forward (ds)...)); + default:return_trace (c->default_return_value ()); + } + } +}; + +} +} +} + +#endif /* OT_LAYOUT_GPOS_CURSIVEPOS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePosFormat1.hh new file mode 100644 index 0000000000..7f58fac8b8 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/CursivePosFormat1.hh @@ -0,0 +1,301 @@ +#ifndef OT_LAYOUT_GPOS_CURSIVEPOSFORMAT1_HH +#define OT_LAYOUT_GPOS_CURSIVEPOSFORMAT1_HH + +#include "Anchor.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct EntryExitRecord +{ + friend struct CursivePosFormat1; + + bool sanitize (hb_sanitize_context_t *c, const void *base) const + { + TRACE_SANITIZE (this); + return_trace (entryAnchor.sanitize (c, base) && exitAnchor.sanitize (c, base)); + } + + void collect_variation_indices (hb_collect_variation_indices_context_t *c, + const void *src_base) const + { + (src_base+entryAnchor).collect_variation_indices (c); + (src_base+exitAnchor).collect_variation_indices (c); + } + + EntryExitRecord* subset (hb_subset_context_t *c, + const void *src_base) const + { + TRACE_SERIALIZE (this); + auto *out = c->serializer->embed (this); + if (unlikely (!out)) return_trace (nullptr); + + out->entryAnchor.serialize_subset (c, entryAnchor, src_base); + out->exitAnchor.serialize_subset (c, exitAnchor, src_base); + return_trace (out); + } + + protected: + Offset16To + entryAnchor; /* Offset to EntryAnchor table--from + * beginning of CursivePos + * subtable--may be NULL */ + Offset16To + exitAnchor; /* Offset to ExitAnchor table--from + * beginning of CursivePos + * subtable--may be NULL */ + public: + DEFINE_SIZE_STATIC (4); +}; + +static void +reverse_cursive_minor_offset (hb_glyph_position_t *pos, unsigned int i, hb_direction_t direction, unsigned int new_parent) { + int chain = pos[i].attach_chain(), type = pos[i].attach_type(); + if (likely (!chain || 0 == (type & ATTACH_TYPE_CURSIVE))) + return; + + pos[i].attach_chain() = 0; + + unsigned int j = (int) i + chain; + + /* Stop if we see new parent in the chain. */ + if (j == new_parent) + return; + + reverse_cursive_minor_offset (pos, j, direction, new_parent); + + if (HB_DIRECTION_IS_HORIZONTAL (direction)) + pos[j].y_offset = -pos[i].y_offset; + else + pos[j].x_offset = -pos[i].x_offset; + + pos[j].attach_chain() = -chain; + pos[j].attach_type() = type; +} + + +struct CursivePosFormat1 +{ + protected: + HBUINT16 format; /* Format identifier--format = 1 */ + Offset16To + coverage; /* Offset to Coverage table--from + * beginning of subtable */ + Array16Of + entryExitRecord; /* Array of EntryExit records--in + * Coverage Index order */ + public: + DEFINE_SIZE_ARRAY (6, entryExitRecord); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (coverage.sanitize (c, this) && entryExitRecord.sanitize (c, this)); + } + + bool intersects (const hb_set_t *glyphs) const + { return (this+coverage).intersects (glyphs); } + + void closure_lookups (hb_closure_lookups_context_t *c) const {} + + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + + hb_zip (this+coverage, entryExitRecord) + | hb_filter (c->glyph_set, hb_first) + | hb_map (hb_second) + | hb_apply ([&] (const EntryExitRecord& record) { record.collect_variation_indices (c, this); }) + ; + } + + void collect_glyphs (hb_collect_glyphs_context_t *c) const + { if (unlikely (!(this+coverage).collect_coverage (c->input))) return; } + + const Coverage &get_coverage () const { return this+coverage; } + + bool apply (hb_ot_apply_context_t *c) const + { + TRACE_APPLY (this); + hb_buffer_t *buffer = c->buffer; + + const EntryExitRecord &this_record = entryExitRecord[(this+coverage).get_coverage (buffer->cur().codepoint)]; + if (!this_record.entryAnchor) return_trace (false); + + hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input; + skippy_iter.reset (buffer->idx, 1); + unsigned unsafe_from; + if (!skippy_iter.prev (&unsafe_from)) + { + buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1); + return_trace (false); + } + + const EntryExitRecord &prev_record = entryExitRecord[(this+coverage).get_coverage (buffer->info[skippy_iter.idx].codepoint)]; + if (!prev_record.exitAnchor) + { + buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1); + return_trace (false); + } + + unsigned int i = skippy_iter.idx; + unsigned int j = buffer->idx; + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "cursive attaching glyph at %d to glyph at %d", + i, j); + } + + buffer->unsafe_to_break (i, j + 1); + float entry_x, entry_y, exit_x, exit_y; + (this+prev_record.exitAnchor).get_anchor (c, buffer->info[i].codepoint, &exit_x, &exit_y); + (this+this_record.entryAnchor).get_anchor (c, buffer->info[j].codepoint, &entry_x, &entry_y); + + hb_glyph_position_t *pos = buffer->pos; + + hb_position_t d; + /* Main-direction adjustment */ + switch (c->direction) { + case HB_DIRECTION_LTR: + pos[i].x_advance = roundf (exit_x) + pos[i].x_offset; + + d = roundf (entry_x) + pos[j].x_offset; + pos[j].x_advance -= d; + pos[j].x_offset -= d; + break; + case HB_DIRECTION_RTL: + d = roundf (exit_x) + pos[i].x_offset; + pos[i].x_advance -= d; + pos[i].x_offset -= d; + + pos[j].x_advance = roundf (entry_x) + pos[j].x_offset; + break; + case HB_DIRECTION_TTB: + pos[i].y_advance = roundf (exit_y) + pos[i].y_offset; + + d = roundf (entry_y) + pos[j].y_offset; + pos[j].y_advance -= d; + pos[j].y_offset -= d; + break; + case HB_DIRECTION_BTT: + d = roundf (exit_y) + pos[i].y_offset; + pos[i].y_advance -= d; + pos[i].y_offset -= d; + + pos[j].y_advance = roundf (entry_y); + break; + case HB_DIRECTION_INVALID: + default: + break; + } + + /* Cross-direction adjustment */ + + /* We attach child to parent (think graph theory and rooted trees whereas + * the root stays on baseline and each node aligns itself against its + * parent. + * + * Optimize things for the case of RightToLeft, as that's most common in + * Arabic. */ + unsigned int child = i; + unsigned int parent = j; + hb_position_t x_offset = entry_x - exit_x; + hb_position_t y_offset = entry_y - exit_y; + if (!(c->lookup_props & LookupFlag::RightToLeft)) + { + unsigned int k = child; + child = parent; + parent = k; + x_offset = -x_offset; + y_offset = -y_offset; + } + + /* If child was already connected to someone else, walk through its old + * chain and reverse the link direction, such that the whole tree of its + * previous connection now attaches to new parent. Watch out for case + * where new parent is on the path from old chain... + */ + reverse_cursive_minor_offset (pos, child, c->direction, parent); + + pos[child].attach_type() = ATTACH_TYPE_CURSIVE; + pos[child].attach_chain() = (int) parent - (int) child; + buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT; + if (likely (HB_DIRECTION_IS_HORIZONTAL (c->direction))) + pos[child].y_offset = y_offset; + else + pos[child].x_offset = x_offset; + + /* If parent was attached to child, separate them. + * https://github.com/harfbuzz/harfbuzz/issues/2469 + */ + if (unlikely (pos[parent].attach_chain() == -pos[child].attach_chain())) + { + pos[parent].attach_chain() = 0; + if (likely (HB_DIRECTION_IS_HORIZONTAL (c->direction))) + pos[parent].y_offset = 0; + else + pos[parent].x_offset = 0; + } + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "cursive attached glyph at %d to glyph at %d", + i, j); + } + + buffer->idx++; + return_trace (true); + } + + template + void serialize (hb_subset_context_t *c, + Iterator it, + const void *src_base) + { + if (unlikely (!c->serializer->extend_min ((*this)))) return; + this->format = 1; + this->entryExitRecord.len = it.len (); + + for (const EntryExitRecord& entry_record : + it + | hb_map (hb_second)) + entry_record.subset (c, src_base); + + auto glyphs = + + it + | hb_map_retains_sorting (hb_first) + ; + + coverage.serialize_serialize (c->serializer, glyphs); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + const hb_map_t &glyph_map = *c->plan->glyph_map; + + auto *out = c->serializer->start_embed (*this); + if (unlikely (!out)) return_trace (false); + + auto it = + + hb_zip (this+coverage, entryExitRecord) + | hb_filter (glyphset, hb_first) + | hb_map_retains_sorting ([&] (hb_pair_t p) -> hb_pair_t + { return hb_pair (glyph_map[p.first], p.second);}) + ; + + bool ret = bool (it); + out->serialize (c, it, this); + return_trace (ret); + } +}; + + +} +} +} + +#endif /* OT_LAYOUT_GPOS_CURSIVEPOSFORMAT1_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ExtensionPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ExtensionPos.hh new file mode 100644 index 0000000000..d1808adab4 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ExtensionPos.hh @@ -0,0 +1,17 @@ +#ifndef OT_LAYOUT_GPOS_EXTENSIONPOS_HH +#define OT_LAYOUT_GPOS_EXTENSIONPOS_HH + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct ExtensionPos : Extension +{ + typedef struct PosLookupSubTable SubTable; +}; + +} +} +} + +#endif /* OT_LAYOUT_GPOS_EXTENSIONPOS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/GPOS.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/GPOS.hh new file mode 100644 index 0000000000..9493ec987e --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/GPOS.hh @@ -0,0 +1,171 @@ +#ifndef OT_LAYOUT_GPOS_GPOS_HH +#define OT_LAYOUT_GPOS_GPOS_HH + +#include "../../../hb-ot-layout-common.hh" +#include "../../../hb-ot-layout-gsubgpos.hh" +#include "Common.hh" +#include "PosLookup.hh" + +namespace OT { + +using Layout::GPOS_impl::PosLookup; + +namespace Layout { + +static void +propagate_attachment_offsets (hb_glyph_position_t *pos, + unsigned int len, + unsigned int i, + hb_direction_t direction, + unsigned nesting_level = HB_MAX_NESTING_LEVEL); + +/* + * GPOS -- Glyph Positioning + * https://docs.microsoft.com/en-us/typography/opentype/spec/gpos + */ + +struct GPOS : GSUBGPOS +{ + static constexpr hb_tag_t tableTag = HB_OT_TAG_GPOS; + + using Lookup = PosLookup; + + const PosLookup& get_lookup (unsigned int i) const + { return static_cast (GSUBGPOS::get_lookup (i)); } + + static inline void position_start (hb_font_t *font, hb_buffer_t *buffer); + static inline void position_finish_advances (hb_font_t *font, hb_buffer_t *buffer); + static inline void position_finish_offsets (hb_font_t *font, hb_buffer_t *buffer); + + bool subset (hb_subset_context_t *c) const + { + hb_subset_layout_context_t l (c, tableTag); + return GSUBGPOS::subset (&l); + } + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (GSUBGPOS::sanitize (c)); + } + + HB_INTERNAL bool is_blocklisted (hb_blob_t *blob, + hb_face_t *face) const; + + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + for (unsigned i = 0; i < GSUBGPOS::get_lookup_count (); i++) + { + if (!c->gpos_lookups->has (i)) continue; + const PosLookup &l = get_lookup (i); + l.dispatch (c); + } + } + + void closure_lookups (hb_face_t *face, + const hb_set_t *glyphs, + hb_set_t *lookup_indexes /* IN/OUT */) const + { GSUBGPOS::closure_lookups (face, glyphs, lookup_indexes); } + + typedef GSUBGPOS::accelerator_t accelerator_t; +}; + + +static void +propagate_attachment_offsets (hb_glyph_position_t *pos, + unsigned int len, + unsigned int i, + hb_direction_t direction, + unsigned nesting_level) +{ + /* Adjusts offsets of attached glyphs (both cursive and mark) to accumulate + * offset of glyph they are attached to. */ + int chain = pos[i].attach_chain(), type = pos[i].attach_type(); + if (likely (!chain)) + return; + + pos[i].attach_chain() = 0; + + unsigned int j = (int) i + chain; + + if (unlikely (j >= len)) + return; + + if (unlikely (!nesting_level)) + return; + + propagate_attachment_offsets (pos, len, j, direction, nesting_level - 1); + + assert (!!(type & GPOS_impl::ATTACH_TYPE_MARK) ^ !!(type & GPOS_impl::ATTACH_TYPE_CURSIVE)); + + if (type & GPOS_impl::ATTACH_TYPE_CURSIVE) + { + if (HB_DIRECTION_IS_HORIZONTAL (direction)) + pos[i].y_offset += pos[j].y_offset; + else + pos[i].x_offset += pos[j].x_offset; + } + else /*if (type & GPOS_impl::ATTACH_TYPE_MARK)*/ + { + pos[i].x_offset += pos[j].x_offset; + pos[i].y_offset += pos[j].y_offset; + + assert (j < i); + if (HB_DIRECTION_IS_FORWARD (direction)) + for (unsigned int k = j; k < i; k++) { + pos[i].x_offset -= pos[k].x_advance; + pos[i].y_offset -= pos[k].y_advance; + } + else + for (unsigned int k = j + 1; k < i + 1; k++) { + pos[i].x_offset += pos[k].x_advance; + pos[i].y_offset += pos[k].y_advance; + } + } +} + +void +GPOS::position_start (hb_font_t *font HB_UNUSED, hb_buffer_t *buffer) +{ + unsigned int count = buffer->len; + for (unsigned int i = 0; i < count; i++) + buffer->pos[i].attach_chain() = buffer->pos[i].attach_type() = 0; +} + +void +GPOS::position_finish_advances (hb_font_t *font HB_UNUSED, hb_buffer_t *buffer HB_UNUSED) +{ + //_hb_buffer_assert_gsubgpos_vars (buffer); +} + +void +GPOS::position_finish_offsets (hb_font_t *font, hb_buffer_t *buffer) +{ + _hb_buffer_assert_gsubgpos_vars (buffer); + + unsigned int len; + hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, &len); + hb_direction_t direction = buffer->props.direction; + + /* Handle attachments */ + if (buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT) + for (unsigned i = 0; i < len; i++) + propagate_attachment_offsets (pos, len, i, direction); + + if (unlikely (font->slant)) + { + for (unsigned i = 0; i < len; i++) + if (unlikely (pos[i].y_offset)) + pos[i].x_offset += _hb_roundf (font->slant_xy * pos[i].y_offset); + } +} + +} + +struct GPOS_accelerator_t : Layout::GPOS::accelerator_t { + GPOS_accelerator_t (hb_face_t *face) : Layout::GPOS::accelerator_t (face) {} +}; + +} + +#endif /* OT_LAYOUT_GPOS_GPOS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/LigatureArray.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/LigatureArray.hh new file mode 100644 index 0000000000..a2d807cc32 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/LigatureArray.hh @@ -0,0 +1,56 @@ +#ifndef OT_LAYOUT_GPOS_LIGATUREARRAY_HH +#define OT_LAYOUT_GPOS_LIGATUREARRAY_HH + +namespace OT { +namespace Layout { +namespace GPOS_impl { + + +typedef AnchorMatrix LigatureAttach; /* component-major-- + * in order of writing direction--, + * mark-minor-- + * ordered by class--zero-based. */ + +/* Array of LigatureAttach tables ordered by LigatureCoverage Index */ +struct LigatureArray : List16OfOffset16To +{ + template + bool subset (hb_subset_context_t *c, + Iterator coverage, + unsigned class_count, + const hb_map_t *klass_mapping) const + { + TRACE_SUBSET (this); + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + + auto *out = c->serializer->start_embed (this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + + for (const auto _ : + hb_zip (coverage, *this) + | hb_filter (glyphset, hb_first)) + { + auto *matrix = out->serialize_append (c->serializer); + if (unlikely (!matrix)) return_trace (false); + + const LigatureAttach& src = (this + _.second); + auto indexes = + + hb_range (src.rows * class_count) + | hb_filter ([=] (unsigned index) { return klass_mapping->has (index % class_count); }) + ; + matrix->serialize_subset (c, + _.second, + this, + src.rows, + indexes); + } + return_trace (this->len); + } +}; + + +} +} +} + +#endif /* OT_LAYOUT_GPOS_LIGATUREARRAY_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkArray.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkArray.hh new file mode 100644 index 0000000000..cb5e8b2689 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkArray.hh @@ -0,0 +1,128 @@ +#ifndef OT_LAYOUT_GPOS_MARKARRAY_HH +#define OT_LAYOUT_GPOS_MARKARRAY_HH + +#include "AnchorMatrix.hh" +#include "MarkRecord.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct MarkArray : Array16Of /* Array of MarkRecords--in Coverage order */ +{ + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (Array16Of::sanitize (c, this)); + } + + bool apply (hb_ot_apply_context_t *c, + unsigned int mark_index, unsigned int glyph_index, + const AnchorMatrix &anchors, unsigned int class_count, + unsigned int glyph_pos) const + { + TRACE_APPLY (this); + hb_buffer_t *buffer = c->buffer; + const MarkRecord &record = Array16Of::operator[](mark_index); + unsigned int mark_class = record.klass; + + const Anchor& mark_anchor = this + record.markAnchor; + bool found; + const Anchor& glyph_anchor = anchors.get_anchor (glyph_index, mark_class, class_count, &found); + /* If this subtable doesn't have an anchor for this base and this class, + * return false such that the subsequent subtables have a chance at it. */ + if (unlikely (!found)) return_trace (false); + + float mark_x, mark_y, base_x, base_y; + + buffer->unsafe_to_break (glyph_pos, buffer->idx + 1); + mark_anchor.get_anchor (c, buffer->cur().codepoint, &mark_x, &mark_y); + glyph_anchor.get_anchor (c, buffer->info[glyph_pos].codepoint, &base_x, &base_y); + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "attaching mark glyph at %d to glyph at %d", + c->buffer->idx, glyph_pos); + } + + hb_glyph_position_t &o = buffer->cur_pos(); + o.x_offset = roundf (base_x - mark_x); + o.y_offset = roundf (base_y - mark_y); + o.attach_type() = ATTACH_TYPE_MARK; + o.attach_chain() = (int) glyph_pos - (int) buffer->idx; + buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT; + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "attached mark glyph at %d to glyph at %d", + c->buffer->idx, glyph_pos); + } + + buffer->idx++; + return_trace (true); + } + + template + bool subset (hb_subset_context_t *c, + Iterator coverage, + const hb_map_t *klass_mapping) const + { + TRACE_SUBSET (this); + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + + auto* out = c->serializer->start_embed (this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + + auto mark_iter = + + hb_zip (coverage, this->iter ()) + | hb_filter (glyphset, hb_first) + | hb_map (hb_second) + ; + + unsigned new_length = 0; + for (const auto& mark_record : mark_iter) { + if (unlikely (!mark_record.subset (c, this, klass_mapping))) + return_trace (false); + new_length++; + } + + if (unlikely (!c->serializer->check_assign (out->len, new_length, + HB_SERIALIZE_ERROR_ARRAY_OVERFLOW))) + return_trace (false); + + return_trace (true); + } +}; + +HB_INTERNAL inline +void Markclass_closure_and_remap_indexes (const Coverage &mark_coverage, + const MarkArray &mark_array, + const hb_set_t &glyphset, + hb_map_t* klass_mapping /* INOUT */) +{ + hb_set_t orig_classes; + + + hb_zip (mark_coverage, mark_array) + | hb_filter (glyphset, hb_first) + | hb_map (hb_second) + | hb_map (&MarkRecord::get_class) + | hb_sink (orig_classes) + ; + + unsigned idx = 0; + for (auto klass : orig_classes.iter ()) + { + if (klass_mapping->has (klass)) continue; + klass_mapping->set (klass, idx); + idx++; + } +} + +} +} +} + +#endif /* OT_LAYOUT_GPOS_MARKARRAY_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePos.hh new file mode 100644 index 0000000000..edf7099c07 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePos.hh @@ -0,0 +1,41 @@ +#ifndef OT_LAYOUT_GPOS_MARKBASEPOS_HH +#define OT_LAYOUT_GPOS_MARKBASEPOS_HH + +#include "MarkBasePosFormat1.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct MarkBasePos +{ + protected: + union { + HBUINT16 format; /* Format identifier */ + MarkBasePosFormat1_2 format1; +#ifndef HB_NO_BEYOND_64K + MarkBasePosFormat1_2 format2; +#endif + } u; + + public: + template + typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const + { + TRACE_DISPATCH (this, u.format); + if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ()); + switch (u.format) { + case 1: return_trace (c->dispatch (u.format1, std::forward (ds)...)); +#ifndef HB_NO_BEYOND_64K + case 2: return_trace (c->dispatch (u.format2, std::forward (ds)...)); +#endif + default:return_trace (c->default_return_value ()); + } + } +}; + +} +} +} + +#endif /* OT_LAYOUT_GPOS_MARKBASEPOS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePosFormat1.hh new file mode 100644 index 0000000000..ebb8c31c67 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkBasePosFormat1.hh @@ -0,0 +1,219 @@ +#ifndef OT_LAYOUT_GPOS_MARKBASEPOSFORMAT1_HH +#define OT_LAYOUT_GPOS_MARKBASEPOSFORMAT1_HH + +#include "MarkArray.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +typedef AnchorMatrix BaseArray; /* base-major-- + * in order of BaseCoverage Index--, + * mark-minor-- + * ordered by class--zero-based. */ + +template +struct MarkBasePosFormat1_2 +{ + protected: + HBUINT16 format; /* Format identifier--format = 1 */ + typename Types::template OffsetTo + markCoverage; /* Offset to MarkCoverage table--from + * beginning of MarkBasePos subtable */ + typename Types::template OffsetTo + baseCoverage; /* Offset to BaseCoverage table--from + * beginning of MarkBasePos subtable */ + HBUINT16 classCount; /* Number of classes defined for marks */ + typename Types::template OffsetTo + markArray; /* Offset to MarkArray table--from + * beginning of MarkBasePos subtable */ + typename Types::template OffsetTo + baseArray; /* Offset to BaseArray table--from + * beginning of MarkBasePos subtable */ + + public: + DEFINE_SIZE_STATIC (4 + 4 * Types::size); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this) && + markCoverage.sanitize (c, this) && + baseCoverage.sanitize (c, this) && + markArray.sanitize (c, this) && + baseArray.sanitize (c, this, (unsigned int) classCount)); + } + + bool intersects (const hb_set_t *glyphs) const + { + return (this+markCoverage).intersects (glyphs) && + (this+baseCoverage).intersects (glyphs); + } + + void closure_lookups (hb_closure_lookups_context_t *c) const {} + + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + + hb_zip (this+markCoverage, this+markArray) + | hb_filter (c->glyph_set, hb_first) + | hb_map (hb_second) + | hb_apply ([&] (const MarkRecord& record) { record.collect_variation_indices (c, &(this+markArray)); }) + ; + + hb_map_t klass_mapping; + Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, *c->glyph_set, &klass_mapping); + + unsigned basecount = (this+baseArray).rows; + auto base_iter = + + hb_zip (this+baseCoverage, hb_range (basecount)) + | hb_filter (c->glyph_set, hb_first) + | hb_map (hb_second) + ; + + hb_sorted_vector_t base_indexes; + for (const unsigned row : base_iter) + { + + hb_range ((unsigned) classCount) + | hb_filter (klass_mapping) + | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; }) + | hb_sink (base_indexes) + ; + } + (this+baseArray).collect_variation_indices (c, base_indexes.iter ()); + } + + void collect_glyphs (hb_collect_glyphs_context_t *c) const + { + if (unlikely (!(this+markCoverage).collect_coverage (c->input))) return; + if (unlikely (!(this+baseCoverage).collect_coverage (c->input))) return; + } + + const Coverage &get_coverage () const { return this+markCoverage; } + + bool apply (hb_ot_apply_context_t *c) const + { + TRACE_APPLY (this); + hb_buffer_t *buffer = c->buffer; + unsigned int mark_index = (this+markCoverage).get_coverage (buffer->cur().codepoint); + if (likely (mark_index == NOT_COVERED)) return_trace (false); + + /* Now we search backwards for a non-mark glyph */ + hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input; + skippy_iter.reset (buffer->idx, 1); + skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks); + do { + unsigned unsafe_from; + if (!skippy_iter.prev (&unsafe_from)) + { + buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1); + return_trace (false); + } + + /* We only want to attach to the first of a MultipleSubst sequence. + * https://github.com/harfbuzz/harfbuzz/issues/740 + * Reject others... + * ...but stop if we find a mark in the MultipleSubst sequence: + * https://github.com/harfbuzz/harfbuzz/issues/1020 */ + if (!_hb_glyph_info_multiplied (&buffer->info[skippy_iter.idx]) || + 0 == _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]) || + (skippy_iter.idx == 0 || + _hb_glyph_info_is_mark (&buffer->info[skippy_iter.idx - 1]) || + !_hb_glyph_info_multiplied (&buffer->info[skippy_iter.idx - 1]) || + _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx]) != + _hb_glyph_info_get_lig_id (&buffer->info[skippy_iter.idx - 1]) || + _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx]) != + _hb_glyph_info_get_lig_comp (&buffer->info[skippy_iter.idx - 1]) + 1 + )) + break; + skippy_iter.reject (); + } while (true); + + /* Checking that matched glyph is actually a base glyph by GDEF is too strong; disabled */ + //if (!_hb_glyph_info_is_base_glyph (&buffer->info[skippy_iter.idx])) { return_trace (false); } + + unsigned int base_index = (this+baseCoverage).get_coverage (buffer->info[skippy_iter.idx].codepoint); + if (base_index == NOT_COVERED) + { + buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1); + return_trace (false); + } + + return_trace ((this+markArray).apply (c, mark_index, base_index, this+baseArray, classCount, skippy_iter.idx)); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + const hb_map_t &glyph_map = *c->plan->glyph_map; + + auto *out = c->serializer->start_embed (*this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + out->format = format; + + hb_map_t klass_mapping; + Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, glyphset, &klass_mapping); + + if (!klass_mapping.get_population ()) return_trace (false); + out->classCount = klass_mapping.get_population (); + + auto mark_iter = + + hb_zip (this+markCoverage, this+markArray) + | hb_filter (glyphset, hb_first) + ; + + hb_sorted_vector_t new_coverage; + + mark_iter + | hb_map (hb_first) + | hb_map (glyph_map) + | hb_sink (new_coverage) + ; + + if (!out->markCoverage.serialize_serialize (c->serializer, new_coverage.iter ())) + return_trace (false); + + out->markArray.serialize_subset (c, markArray, this, + (this+markCoverage).iter (), + &klass_mapping); + + unsigned basecount = (this+baseArray).rows; + auto base_iter = + + hb_zip (this+baseCoverage, hb_range (basecount)) + | hb_filter (glyphset, hb_first) + ; + + new_coverage.reset (); + + base_iter + | hb_map (hb_first) + | hb_map (glyph_map) + | hb_sink (new_coverage) + ; + + if (!out->baseCoverage.serialize_serialize (c->serializer, new_coverage.iter ())) + return_trace (false); + + hb_sorted_vector_t base_indexes; + for (const unsigned row : + base_iter + | hb_map (hb_second)) + { + + hb_range ((unsigned) classCount) + | hb_filter (klass_mapping) + | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; }) + | hb_sink (base_indexes) + ; + } + + out->baseArray.serialize_subset (c, baseArray, this, + base_iter.len (), + base_indexes.iter ()); + + return_trace (true); + } +}; + + +} +} +} + +#endif /* OT_LAYOUT_GPOS_MARKBASEPOSFORMAT1_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPos.hh new file mode 100644 index 0000000000..09152fd876 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPos.hh @@ -0,0 +1,41 @@ +#ifndef OT_LAYOUT_GPOS_MARKLIGPOS_HH +#define OT_LAYOUT_GPOS_MARKLIGPOS_HH + +#include "MarkLigPosFormat1.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct MarkLigPos +{ + protected: + union { + HBUINT16 format; /* Format identifier */ + MarkLigPosFormat1_2 format1; +#ifndef HB_NO_BEYOND_64K + MarkLigPosFormat1_2 format2; +#endif + } u; + + public: + template + typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const + { + TRACE_DISPATCH (this, u.format); + if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ()); + switch (u.format) { + case 1: return_trace (c->dispatch (u.format1, std::forward (ds)...)); +#ifndef HB_NO_BEYOND_64K + case 2: return_trace (c->dispatch (u.format2, std::forward (ds)...)); +#endif + default:return_trace (c->default_return_value ()); + } + } +}; + +} +} +} + +#endif /* OT_LAYOUT_GPOS_MARKLIGPOS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPosFormat1.hh new file mode 100644 index 0000000000..1a8021237e --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkLigPosFormat1.hh @@ -0,0 +1,206 @@ +#ifndef OT_LAYOUT_GPOS_MARKLIGPOSFORMAT1_HH +#define OT_LAYOUT_GPOS_MARKLIGPOSFORMAT1_HH + +#include "LigatureArray.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + + +template +struct MarkLigPosFormat1_2 +{ + protected: + HBUINT16 format; /* Format identifier--format = 1 */ + typename Types::template OffsetTo + markCoverage; /* Offset to Mark Coverage table--from + * beginning of MarkLigPos subtable */ + typename Types::template OffsetTo + ligatureCoverage; /* Offset to Ligature Coverage + * table--from beginning of MarkLigPos + * subtable */ + HBUINT16 classCount; /* Number of defined mark classes */ + typename Types::template OffsetTo + markArray; /* Offset to MarkArray table--from + * beginning of MarkLigPos subtable */ + typename Types::template OffsetTo + ligatureArray; /* Offset to LigatureArray table--from + * beginning of MarkLigPos subtable */ + public: + DEFINE_SIZE_STATIC (4 + 4 * Types::size); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this) && + markCoverage.sanitize (c, this) && + ligatureCoverage.sanitize (c, this) && + markArray.sanitize (c, this) && + ligatureArray.sanitize (c, this, (unsigned int) classCount)); + } + + bool intersects (const hb_set_t *glyphs) const + { + return (this+markCoverage).intersects (glyphs) && + (this+ligatureCoverage).intersects (glyphs); + } + + void closure_lookups (hb_closure_lookups_context_t *c) const {} + + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + + hb_zip (this+markCoverage, this+markArray) + | hb_filter (c->glyph_set, hb_first) + | hb_map (hb_second) + | hb_apply ([&] (const MarkRecord& record) { record.collect_variation_indices (c, &(this+markArray)); }) + ; + + hb_map_t klass_mapping; + Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, *c->glyph_set, &klass_mapping); + + unsigned ligcount = (this+ligatureArray).len; + auto lig_iter = + + hb_zip (this+ligatureCoverage, hb_range (ligcount)) + | hb_filter (c->glyph_set, hb_first) + | hb_map (hb_second) + ; + + const LigatureArray& lig_array = this+ligatureArray; + for (const unsigned i : lig_iter) + { + hb_sorted_vector_t lig_indexes; + unsigned row_count = lig_array[i].rows; + for (unsigned row : + hb_range (row_count)) + { + + hb_range ((unsigned) classCount) + | hb_filter (klass_mapping) + | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; }) + | hb_sink (lig_indexes) + ; + } + + lig_array[i].collect_variation_indices (c, lig_indexes.iter ()); + } + } + + void collect_glyphs (hb_collect_glyphs_context_t *c) const + { + if (unlikely (!(this+markCoverage).collect_coverage (c->input))) return; + if (unlikely (!(this+ligatureCoverage).collect_coverage (c->input))) return; + } + + const Coverage &get_coverage () const { return this+markCoverage; } + + bool apply (hb_ot_apply_context_t *c) const + { + TRACE_APPLY (this); + hb_buffer_t *buffer = c->buffer; + unsigned int mark_index = (this+markCoverage).get_coverage (buffer->cur().codepoint); + if (likely (mark_index == NOT_COVERED)) return_trace (false); + + /* Now we search backwards for a non-mark glyph */ + hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input; + skippy_iter.reset (buffer->idx, 1); + skippy_iter.set_lookup_props (LookupFlag::IgnoreMarks); + unsigned unsafe_from; + if (!skippy_iter.prev (&unsafe_from)) + { + buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1); + return_trace (false); + } + + /* Checking that matched glyph is actually a ligature by GDEF is too strong; disabled */ + //if (!_hb_glyph_info_is_ligature (&buffer->info[skippy_iter.idx])) { return_trace (false); } + + unsigned int j = skippy_iter.idx; + unsigned int lig_index = (this+ligatureCoverage).get_coverage (buffer->info[j].codepoint); + if (lig_index == NOT_COVERED) + { + buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1); + return_trace (false); + } + + const LigatureArray& lig_array = this+ligatureArray; + const LigatureAttach& lig_attach = lig_array[lig_index]; + + /* Find component to attach to */ + unsigned int comp_count = lig_attach.rows; + if (unlikely (!comp_count)) + { + buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1); + return_trace (false); + } + + /* We must now check whether the ligature ID of the current mark glyph + * is identical to the ligature ID of the found ligature. If yes, we + * can directly use the component index. If not, we attach the mark + * glyph to the last component of the ligature. */ + unsigned int comp_index; + unsigned int lig_id = _hb_glyph_info_get_lig_id (&buffer->info[j]); + unsigned int mark_id = _hb_glyph_info_get_lig_id (&buffer->cur()); + unsigned int mark_comp = _hb_glyph_info_get_lig_comp (&buffer->cur()); + if (lig_id && lig_id == mark_id && mark_comp > 0) + comp_index = hb_min (comp_count, _hb_glyph_info_get_lig_comp (&buffer->cur())) - 1; + else + comp_index = comp_count - 1; + + return_trace ((this+markArray).apply (c, mark_index, comp_index, lig_attach, classCount, j)); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + const hb_map_t &glyph_map = *c->plan->glyph_map; + + auto *out = c->serializer->start_embed (*this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + out->format = format; + + hb_map_t klass_mapping; + Markclass_closure_and_remap_indexes (this+markCoverage, this+markArray, glyphset, &klass_mapping); + + if (!klass_mapping.get_population ()) return_trace (false); + out->classCount = klass_mapping.get_population (); + + auto mark_iter = + + hb_zip (this+markCoverage, this+markArray) + | hb_filter (glyphset, hb_first) + ; + + auto new_mark_coverage = + + mark_iter + | hb_map_retains_sorting (hb_first) + | hb_map_retains_sorting (glyph_map) + ; + + if (!out->markCoverage.serialize_serialize (c->serializer, new_mark_coverage)) + return_trace (false); + + out->markArray.serialize_subset (c, markArray, this, + (this+markCoverage).iter (), + &klass_mapping); + + auto new_ligature_coverage = + + hb_iter (this + ligatureCoverage) + | hb_filter (glyphset) + | hb_map_retains_sorting (glyph_map) + ; + + if (!out->ligatureCoverage.serialize_serialize (c->serializer, new_ligature_coverage)) + return_trace (false); + + out->ligatureArray.serialize_subset (c, ligatureArray, this, + hb_iter (this+ligatureCoverage), classCount, &klass_mapping); + + return_trace (true); + } + +}; + +} +} +} + +#endif /* OT_LAYOUT_GPOS_MARKLIGPOSFORMAT1_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPos.hh new file mode 100644 index 0000000000..4118fc304f --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPos.hh @@ -0,0 +1,42 @@ +#ifndef OT_LAYOUT_GPOS_MARKMARKPOS_HH +#define OT_LAYOUT_GPOS_MARKMARKPOS_HH + +#include "MarkMarkPosFormat1.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct MarkMarkPos +{ + protected: + union { + HBUINT16 format; /* Format identifier */ + MarkMarkPosFormat1_2 format1; +#ifndef HB_NO_BEYOND_64K + MarkMarkPosFormat1_2 format2; +#endif + } u; + + public: + template + typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const + { + TRACE_DISPATCH (this, u.format); + if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ()); + switch (u.format) { + case 1: return_trace (c->dispatch (u.format1, std::forward (ds)...)); +#ifndef HB_NO_BEYOND_64K + case 2: return_trace (c->dispatch (u.format2, std::forward (ds)...)); +#endif + default:return_trace (c->default_return_value ()); + } + } +}; + + +} +} +} + +#endif /* OT_LAYOUT_GPOS_MARKMARKPOS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPosFormat1.hh new file mode 100644 index 0000000000..fbcebb8044 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkMarkPosFormat1.hh @@ -0,0 +1,228 @@ +#ifndef OT_LAYOUT_GPOS_MARKMARKPOSFORMAT1_HH +#define OT_LAYOUT_GPOS_MARKMARKPOSFORMAT1_HH + +#include "MarkMarkPosFormat1.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +typedef AnchorMatrix Mark2Array; /* mark2-major-- + * in order of Mark2Coverage Index--, + * mark1-minor-- + * ordered by class--zero-based. */ + +template +struct MarkMarkPosFormat1_2 +{ + protected: + HBUINT16 format; /* Format identifier--format = 1 */ + typename Types::template OffsetTo + mark1Coverage; /* Offset to Combining Mark1 Coverage + * table--from beginning of MarkMarkPos + * subtable */ + typename Types::template OffsetTo + mark2Coverage; /* Offset to Combining Mark2 Coverage + * table--from beginning of MarkMarkPos + * subtable */ + HBUINT16 classCount; /* Number of defined mark classes */ + typename Types::template OffsetTo + mark1Array; /* Offset to Mark1Array table--from + * beginning of MarkMarkPos subtable */ + typename Types::template OffsetTo + mark2Array; /* Offset to Mark2Array table--from + * beginning of MarkMarkPos subtable */ + public: + DEFINE_SIZE_STATIC (4 + 4 * Types::size); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this) && + mark1Coverage.sanitize (c, this) && + mark2Coverage.sanitize (c, this) && + mark1Array.sanitize (c, this) && + mark2Array.sanitize (c, this, (unsigned int) classCount)); + } + + bool intersects (const hb_set_t *glyphs) const + { + return (this+mark1Coverage).intersects (glyphs) && + (this+mark2Coverage).intersects (glyphs); + } + + void closure_lookups (hb_closure_lookups_context_t *c) const {} + + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + + hb_zip (this+mark1Coverage, this+mark1Array) + | hb_filter (c->glyph_set, hb_first) + | hb_map (hb_second) + | hb_apply ([&] (const MarkRecord& record) { record.collect_variation_indices (c, &(this+mark1Array)); }) + ; + + hb_map_t klass_mapping; + Markclass_closure_and_remap_indexes (this+mark1Coverage, this+mark1Array, *c->glyph_set, &klass_mapping); + + unsigned mark2_count = (this+mark2Array).rows; + auto mark2_iter = + + hb_zip (this+mark2Coverage, hb_range (mark2_count)) + | hb_filter (c->glyph_set, hb_first) + | hb_map (hb_second) + ; + + hb_sorted_vector_t mark2_indexes; + for (const unsigned row : mark2_iter) + { + + hb_range ((unsigned) classCount) + | hb_filter (klass_mapping) + | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; }) + | hb_sink (mark2_indexes) + ; + } + (this+mark2Array).collect_variation_indices (c, mark2_indexes.iter ()); + } + + void collect_glyphs (hb_collect_glyphs_context_t *c) const + { + if (unlikely (!(this+mark1Coverage).collect_coverage (c->input))) return; + if (unlikely (!(this+mark2Coverage).collect_coverage (c->input))) return; + } + + const Coverage &get_coverage () const { return this+mark1Coverage; } + + bool apply (hb_ot_apply_context_t *c) const + { + TRACE_APPLY (this); + hb_buffer_t *buffer = c->buffer; + unsigned int mark1_index = (this+mark1Coverage).get_coverage (buffer->cur().codepoint); + if (likely (mark1_index == NOT_COVERED)) return_trace (false); + + /* now we search backwards for a suitable mark glyph until a non-mark glyph */ + hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input; + skippy_iter.reset (buffer->idx, 1); + skippy_iter.set_lookup_props (c->lookup_props & ~(uint32_t)LookupFlag::IgnoreFlags); + unsigned unsafe_from; + if (!skippy_iter.prev (&unsafe_from)) + { + buffer->unsafe_to_concat_from_outbuffer (unsafe_from, buffer->idx + 1); + return_trace (false); + } + + if (!_hb_glyph_info_is_mark (&buffer->info[skippy_iter.idx])) + { + buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1); + return_trace (false); + } + + unsigned int j = skippy_iter.idx; + + unsigned int id1 = _hb_glyph_info_get_lig_id (&buffer->cur()); + unsigned int id2 = _hb_glyph_info_get_lig_id (&buffer->info[j]); + unsigned int comp1 = _hb_glyph_info_get_lig_comp (&buffer->cur()); + unsigned int comp2 = _hb_glyph_info_get_lig_comp (&buffer->info[j]); + + if (likely (id1 == id2)) + { + if (id1 == 0) /* Marks belonging to the same base. */ + goto good; + else if (comp1 == comp2) /* Marks belonging to the same ligature component. */ + goto good; + } + else + { + /* If ligature ids don't match, it may be the case that one of the marks + * itself is a ligature. In which case match. */ + if ((id1 > 0 && !comp1) || (id2 > 0 && !comp2)) + goto good; + } + + /* Didn't match. */ + buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1); + return_trace (false); + + good: + unsigned int mark2_index = (this+mark2Coverage).get_coverage (buffer->info[j].codepoint); + if (mark2_index == NOT_COVERED) + { + buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1); + return_trace (false); + } + + return_trace ((this+mark1Array).apply (c, mark1_index, mark2_index, this+mark2Array, classCount, j)); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + const hb_map_t &glyph_map = *c->plan->glyph_map; + + auto *out = c->serializer->start_embed (*this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + out->format = format; + + hb_map_t klass_mapping; + Markclass_closure_and_remap_indexes (this+mark1Coverage, this+mark1Array, glyphset, &klass_mapping); + + if (!klass_mapping.get_population ()) return_trace (false); + out->classCount = klass_mapping.get_population (); + + auto mark1_iter = + + hb_zip (this+mark1Coverage, this+mark1Array) + | hb_filter (glyphset, hb_first) + ; + + hb_sorted_vector_t new_coverage; + + mark1_iter + | hb_map (hb_first) + | hb_map (glyph_map) + | hb_sink (new_coverage) + ; + + if (!out->mark1Coverage.serialize_serialize (c->serializer, new_coverage.iter ())) + return_trace (false); + + out->mark1Array.serialize_subset (c, mark1Array, this, + (this+mark1Coverage).iter (), + &klass_mapping); + + unsigned mark2count = (this+mark2Array).rows; + auto mark2_iter = + + hb_zip (this+mark2Coverage, hb_range (mark2count)) + | hb_filter (glyphset, hb_first) + ; + + new_coverage.reset (); + + mark2_iter + | hb_map (hb_first) + | hb_map (glyph_map) + | hb_sink (new_coverage) + ; + + if (!out->mark2Coverage.serialize_serialize (c->serializer, new_coverage.iter ())) + return_trace (false); + + hb_sorted_vector_t mark2_indexes; + for (const unsigned row : + mark2_iter + | hb_map (hb_second)) + { + + hb_range ((unsigned) classCount) + | hb_filter (klass_mapping) + | hb_map ([&] (const unsigned col) { return row * (unsigned) classCount + col; }) + | hb_sink (mark2_indexes) + ; + } + + out->mark2Array.serialize_subset (c, mark2Array, this, mark2_iter.len (), mark2_indexes.iter ()); + + return_trace (true); + } +}; + + +} +} +} + +#endif /* OT_LAYOUT_GPOS_MARKMARKPOSFORMAT1_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkRecord.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkRecord.hh new file mode 100644 index 0000000000..a7d489d2a5 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/MarkRecord.hh @@ -0,0 +1,52 @@ +#ifndef OT_LAYOUT_GPOS_MARKRECORD_HH +#define OT_LAYOUT_GPOS_MARKRECORD_HH + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct MarkRecord +{ + friend struct MarkArray; + + public: + HBUINT16 klass; /* Class defined for this mark */ + Offset16To + markAnchor; /* Offset to Anchor table--from + * beginning of MarkArray table */ + public: + DEFINE_SIZE_STATIC (4); + + unsigned get_class () const { return (unsigned) klass; } + bool sanitize (hb_sanitize_context_t *c, const void *base) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this) && markAnchor.sanitize (c, base)); + } + + MarkRecord *subset (hb_subset_context_t *c, + const void *src_base, + const hb_map_t *klass_mapping) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->embed (this); + if (unlikely (!out)) return_trace (nullptr); + + out->klass = klass_mapping->get (klass); + out->markAnchor.serialize_subset (c, markAnchor, src_base); + return_trace (out); + } + + void collect_variation_indices (hb_collect_variation_indices_context_t *c, + const void *src_base) const + { + (src_base+markAnchor).collect_variation_indices (c); + } +}; + + +} +} +} + +#endif /* OT_LAYOUT_GPOS_MARKRECORD_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPos.hh new file mode 100644 index 0000000000..9823768cbc --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPos.hh @@ -0,0 +1,46 @@ +#ifndef OT_LAYOUT_GPOS_PAIRPOS_HH +#define OT_LAYOUT_GPOS_PAIRPOS_HH + +#include "PairPosFormat1.hh" +#include "PairPosFormat2.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct PairPos +{ + protected: + union { + HBUINT16 format; /* Format identifier */ + PairPosFormat1_3 format1; + PairPosFormat2_4 format2; +#ifndef HB_NO_BEYOND_64K + PairPosFormat1_3 format3; + PairPosFormat2_4 format4; +#endif + } u; + + public: + template + typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const + { + TRACE_DISPATCH (this, u.format); + if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ()); + switch (u.format) { + case 1: return_trace (c->dispatch (u.format1, std::forward (ds)...)); + case 2: return_trace (c->dispatch (u.format2, std::forward (ds)...)); +#ifndef HB_NO_BEYOND_64K + case 3: return_trace (c->dispatch (u.format3, std::forward (ds)...)); + case 4: return_trace (c->dispatch (u.format4, std::forward (ds)...)); +#endif + default:return_trace (c->default_return_value ()); + } + } +}; + +} +} +} + +#endif // OT_LAYOUT_GPOS_PAIRPOS_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat1.hh new file mode 100644 index 0000000000..9c9b268889 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat1.hh @@ -0,0 +1,219 @@ +#ifndef OT_LAYOUT_GPOS_PAIRPOSFORMAT1_HH +#define OT_LAYOUT_GPOS_PAIRPOSFORMAT1_HH + +#include "PairSet.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + + +template +struct PairPosFormat1_3 +{ + using PairSet = GPOS_impl::PairSet; + using PairValueRecord = GPOS_impl::PairValueRecord; + + protected: + HBUINT16 format; /* Format identifier--format = 1 */ + typename Types::template OffsetTo + coverage; /* Offset to Coverage table--from + * beginning of subtable */ + ValueFormat valueFormat[2]; /* [0] Defines the types of data in + * ValueRecord1--for the first glyph + * in the pair--may be zero (0) */ + /* [1] Defines the types of data in + * ValueRecord2--for the second glyph + * in the pair--may be zero (0) */ + Array16Of> + pairSet; /* Array of PairSet tables + * ordered by Coverage Index */ + public: + DEFINE_SIZE_ARRAY (8 + Types::size, pairSet); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + + if (!c->check_struct (this)) return_trace (false); + + unsigned int len1 = valueFormat[0].get_len (); + unsigned int len2 = valueFormat[1].get_len (); + typename PairSet::sanitize_closure_t closure = + { + valueFormat, + len1, + 1 + len1 + len2 + }; + + return_trace (coverage.sanitize (c, this) && pairSet.sanitize (c, this, &closure)); + } + + bool intersects (const hb_set_t *glyphs) const + { + auto &cov = this+coverage; + + if (pairSet.len > glyphs->get_population () * hb_bit_storage ((unsigned) pairSet.len) / 4) + { + for (hb_codepoint_t g = HB_SET_VALUE_INVALID; glyphs->next (&g);) + { + unsigned i = cov.get_coverage (g); + if ((this+pairSet[i]).intersects (glyphs, valueFormat)) + return true; + } + return false; + } + + return + + hb_zip (cov, pairSet) + | hb_filter (*glyphs, hb_first) + | hb_map (hb_second) + | hb_map ([glyphs, this] (const typename Types::template OffsetTo &_) + { return (this+_).intersects (glyphs, valueFormat); }) + | hb_any + ; + } + + void closure_lookups (hb_closure_lookups_context_t *c) const {} + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + if ((!valueFormat[0].has_device ()) && (!valueFormat[1].has_device ())) return; + + auto it = + + hb_zip (this+coverage, pairSet) + | hb_filter (c->glyph_set, hb_first) + | hb_map (hb_second) + ; + + if (!it) return; + + it + | hb_map (hb_add (this)) + | hb_apply ([&] (const PairSet& _) { _.collect_variation_indices (c, valueFormat); }) + ; + } + + void collect_glyphs (hb_collect_glyphs_context_t *c) const + { + if (unlikely (!(this+coverage).collect_coverage (c->input))) return; + unsigned int count = pairSet.len; + for (unsigned int i = 0; i < count; i++) + (this+pairSet[i]).collect_glyphs (c, valueFormat); + } + + const Coverage &get_coverage () const { return this+coverage; } + + bool apply (hb_ot_apply_context_t *c) const + { + TRACE_APPLY (this); + hb_buffer_t *buffer = c->buffer; + unsigned int index = (this+coverage).get_coverage (buffer->cur().codepoint); + if (likely (index == NOT_COVERED)) return_trace (false); + + hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input; + skippy_iter.reset (buffer->idx, 1); + unsigned unsafe_to; + if (!skippy_iter.next (&unsafe_to)) + { + buffer->unsafe_to_concat (buffer->idx, unsafe_to); + return_trace (false); + } + + return_trace ((this+pairSet[index]).apply (c, valueFormat, skippy_iter.idx)); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + const hb_map_t &glyph_map = *c->plan->glyph_map; + + auto *out = c->serializer->start_embed (*this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + out->format = format; + out->valueFormat[0] = valueFormat[0]; + out->valueFormat[1] = valueFormat[1]; + if (c->plan->flags & HB_SUBSET_FLAGS_NO_HINTING) + { + hb_pair_t newFormats = compute_effective_value_formats (glyphset); + out->valueFormat[0] = newFormats.first; + out->valueFormat[1] = newFormats.second; + } + + if (c->plan->all_axes_pinned) + { + out->valueFormat[0] = out->valueFormat[0].drop_device_table_flags (); + out->valueFormat[1] = out->valueFormat[1].drop_device_table_flags (); + } + + hb_sorted_vector_t new_coverage; + + + hb_zip (this+coverage, pairSet) + | hb_filter (glyphset, hb_first) + | hb_filter ([this, c, out] (const typename Types::template OffsetTo& _) + { + auto snap = c->serializer->snapshot (); + auto *o = out->pairSet.serialize_append (c->serializer); + if (unlikely (!o)) return false; + bool ret = o->serialize_subset (c, _, this, valueFormat, out->valueFormat); + if (!ret) + { + out->pairSet.pop (); + c->serializer->revert (snap); + } + return ret; + }, + hb_second) + | hb_map (hb_first) + | hb_map (glyph_map) + | hb_sink (new_coverage) + ; + + out->coverage.serialize_serialize (c->serializer, new_coverage.iter ()); + + return_trace (bool (new_coverage)); + } + + + hb_pair_t compute_effective_value_formats (const hb_set_t& glyphset) const + { + unsigned len1 = valueFormat[0].get_len (); + unsigned len2 = valueFormat[1].get_len (); + unsigned record_size = HBUINT16::static_size + Value::static_size * (len1 + len2); + + unsigned format1 = 0; + unsigned format2 = 0; + for (const auto & _ : + + hb_zip (this+coverage, pairSet) + | hb_filter (glyphset, hb_first) + | hb_map (hb_second) + ) + { + const PairSet& set = (this + _); + const PairValueRecord *record = &set.firstPairValueRecord; + + unsigned count = set.len; + for (unsigned i = 0; i < count; i++) + { + if (record->intersects (glyphset)) + { + format1 = format1 | valueFormat[0].get_effective_format (record->get_values_1 ()); + format2 = format2 | valueFormat[1].get_effective_format (record->get_values_2 (valueFormat[0])); + } + record = &StructAtOffset (record, record_size); + } + + if (format1 == valueFormat[0] && format2 == valueFormat[1]) + break; + } + + return hb_pair (format1, format2); + } +}; + + +} +} +} + +#endif // OT_LAYOUT_GPOS_PAIRPOSFORMAT1_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat2.hh new file mode 100644 index 0000000000..9c87ac2b03 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairPosFormat2.hh @@ -0,0 +1,351 @@ +#ifndef OT_LAYOUT_GPOS_PAIRPOSFORMAT2_HH +#define OT_LAYOUT_GPOS_PAIRPOSFORMAT2_HH + +#include "ValueFormat.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +template +struct PairPosFormat2_4 +{ + protected: + HBUINT16 format; /* Format identifier--format = 2 */ + typename Types::template OffsetTo + coverage; /* Offset to Coverage table--from + * beginning of subtable */ + ValueFormat valueFormat1; /* ValueRecord definition--for the + * first glyph of the pair--may be zero + * (0) */ + ValueFormat valueFormat2; /* ValueRecord definition--for the + * second glyph of the pair--may be + * zero (0) */ + typename Types::template OffsetTo + classDef1; /* Offset to ClassDef table--from + * beginning of PairPos subtable--for + * the first glyph of the pair */ + typename Types::template OffsetTo + classDef2; /* Offset to ClassDef table--from + * beginning of PairPos subtable--for + * the second glyph of the pair */ + HBUINT16 class1Count; /* Number of classes in ClassDef1 + * table--includes Class0 */ + HBUINT16 class2Count; /* Number of classes in ClassDef2 + * table--includes Class0 */ + ValueRecord values; /* Matrix of value pairs: + * class1-major, class2-minor, + * Each entry has value1 and value2 */ + public: + DEFINE_SIZE_ARRAY (10 + 3 * Types::size, values); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + if (!(c->check_struct (this) + && coverage.sanitize (c, this) + && classDef1.sanitize (c, this) + && classDef2.sanitize (c, this))) return_trace (false); + + unsigned int len1 = valueFormat1.get_len (); + unsigned int len2 = valueFormat2.get_len (); + unsigned int stride = len1 + len2; + unsigned int record_size = valueFormat1.get_size () + valueFormat2.get_size (); + unsigned int count = (unsigned int) class1Count * (unsigned int) class2Count; + return_trace (c->check_range ((const void *) values, + count, + record_size) && + valueFormat1.sanitize_values_stride_unsafe (c, this, &values[0], count, stride) && + valueFormat2.sanitize_values_stride_unsafe (c, this, &values[len1], count, stride)); + } + + bool intersects (const hb_set_t *glyphs) const + { + return (this+coverage).intersects (glyphs) && + (this+classDef2).intersects (glyphs); + } + + void closure_lookups (hb_closure_lookups_context_t *c) const {} + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + if (!intersects (c->glyph_set)) return; + if ((!valueFormat1.has_device ()) && (!valueFormat2.has_device ())) return; + + hb_set_t klass1_glyphs, klass2_glyphs; + if (!(this+classDef1).collect_coverage (&klass1_glyphs)) return; + if (!(this+classDef2).collect_coverage (&klass2_glyphs)) return; + + hb_set_t class1_set, class2_set; + for (const unsigned cp : + c->glyph_set->iter () | hb_filter (this + coverage)) + { + if (!klass1_glyphs.has (cp)) class1_set.add (0); + else + { + unsigned klass1 = (this+classDef1).get (cp); + class1_set.add (klass1); + } + } + + class2_set.add (0); + for (const unsigned cp : + c->glyph_set->iter () | hb_filter (klass2_glyphs)) + { + unsigned klass2 = (this+classDef2).get (cp); + class2_set.add (klass2); + } + + if (class1_set.is_empty () + || class2_set.is_empty () + || (class2_set.get_population() == 1 && class2_set.has(0))) + return; + + unsigned len1 = valueFormat1.get_len (); + unsigned len2 = valueFormat2.get_len (); + const hb_array_t values_array = values.as_array ((unsigned)class1Count * (unsigned) class2Count * (len1 + len2)); + for (const unsigned class1_idx : class1_set.iter ()) + { + for (const unsigned class2_idx : class2_set.iter ()) + { + unsigned start_offset = (class1_idx * (unsigned) class2Count + class2_idx) * (len1 + len2); + if (valueFormat1.has_device ()) + valueFormat1.collect_variation_indices (c, this, values_array.sub_array (start_offset, len1)); + + if (valueFormat2.has_device ()) + valueFormat2.collect_variation_indices (c, this, values_array.sub_array (start_offset+len1, len2)); + } + } + } + + void collect_glyphs (hb_collect_glyphs_context_t *c) const + { + if (unlikely (!(this+coverage).collect_coverage (c->input))) return; + if (unlikely (!(this+classDef2).collect_coverage (c->input))) return; + } + + const Coverage &get_coverage () const { return this+coverage; } + + bool apply (hb_ot_apply_context_t *c) const + { + TRACE_APPLY (this); + hb_buffer_t *buffer = c->buffer; + unsigned int index = (this+coverage).get_coverage (buffer->cur().codepoint); + if (likely (index == NOT_COVERED)) return_trace (false); + + hb_ot_apply_context_t::skipping_iterator_t &skippy_iter = c->iter_input; + skippy_iter.reset (buffer->idx, 1); + unsigned unsafe_to; + if (!skippy_iter.next (&unsafe_to)) + { + buffer->unsafe_to_concat (buffer->idx, unsafe_to); + return_trace (false); + } + + unsigned int len1 = valueFormat1.get_len (); + unsigned int len2 = valueFormat2.get_len (); + unsigned int record_len = len1 + len2; + + unsigned int klass1 = (this+classDef1).get_class (buffer->cur().codepoint); + unsigned int klass2 = (this+classDef2).get_class (buffer->info[skippy_iter.idx].codepoint); + if (unlikely (klass1 >= class1Count || klass2 >= class2Count)) + { + buffer->unsafe_to_concat (buffer->idx, skippy_iter.idx + 1); + return_trace (false); + } + + const Value *v = &values[record_len * (klass1 * class2Count + klass2)]; + + bool applied_first = false, applied_second = false; + + + /* Isolate simple kerning and apply it half to each side. + * Results in better cursor positinoing / underline drawing. + * + * Disabled, because causes issues... :-( + * https://github.com/harfbuzz/harfbuzz/issues/3408 + * https://github.com/harfbuzz/harfbuzz/pull/3235#issuecomment-1029814978 + */ +#ifndef HB_SPLIT_KERN + if (0) +#endif + { + if (!len2) + { + const hb_direction_t dir = buffer->props.direction; + const bool horizontal = HB_DIRECTION_IS_HORIZONTAL (dir); + const bool backward = HB_DIRECTION_IS_BACKWARD (dir); + unsigned mask = horizontal ? ValueFormat::xAdvance : ValueFormat::yAdvance; + if (backward) + mask |= mask >> 2; /* Add eg. xPlacement in RTL. */ + /* Add Devices. */ + mask |= mask << 4; + + if (valueFormat1 & ~mask) + goto bail; + + /* Is simple kern. Apply value on an empty position slot, + * then split it between sides. */ + + hb_glyph_position_t pos{}; + if (valueFormat1.apply_value (c, this, v, pos)) + { + hb_position_t *src = &pos.x_advance; + hb_position_t *dst1 = &buffer->cur_pos().x_advance; + hb_position_t *dst2 = &buffer->pos[skippy_iter.idx].x_advance; + unsigned i = horizontal ? 0 : 1; + + hb_position_t kern = src[i]; + hb_position_t kern1 = kern >> 1; + hb_position_t kern2 = kern - kern1; + + if (!backward) + { + dst1[i] += kern1; + dst2[i] += kern2; + dst2[i + 2] += kern2; + } + else + { + dst1[i] += kern1; + dst1[i + 2] += src[i + 2] - kern2; + dst2[i] += kern2; + } + + applied_first = applied_second = kern != 0; + goto success; + } + goto boring; + } + } + bail: + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "try kerning glyphs at %d,%d", + c->buffer->idx, skippy_iter.idx); + } + + applied_first = valueFormat1.apply_value (c, this, v, buffer->cur_pos()); + applied_second = valueFormat2.apply_value (c, this, v + len1, buffer->pos[skippy_iter.idx]); + + if (applied_first || applied_second) + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "kerned glyphs at %d,%d", + c->buffer->idx, skippy_iter.idx); + } + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "tried kerning glyphs at %d,%d", + c->buffer->idx, skippy_iter.idx); + } + + success: + if (applied_first || applied_second) + buffer->unsafe_to_break (buffer->idx, skippy_iter.idx + 1); + else + boring: + buffer->unsafe_to_concat (buffer->idx, skippy_iter.idx + 1); + + if (len2) + { + skippy_iter.idx++; + // https://github.com/harfbuzz/harfbuzz/issues/3824 + // https://github.com/harfbuzz/harfbuzz/issues/3888#issuecomment-1326781116 + buffer->unsafe_to_break (buffer->idx, skippy_iter.idx + 1); + } + + buffer->idx = skippy_iter.idx; + + return_trace (true); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->start_embed (*this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + out->format = format; + + hb_map_t klass1_map; + out->classDef1.serialize_subset (c, classDef1, this, &klass1_map, true, true, &(this + coverage)); + out->class1Count = klass1_map.get_population (); + + hb_map_t klass2_map; + out->classDef2.serialize_subset (c, classDef2, this, &klass2_map, true, false); + out->class2Count = klass2_map.get_population (); + + unsigned len1 = valueFormat1.get_len (); + unsigned len2 = valueFormat2.get_len (); + + hb_pair_t newFormats = hb_pair (valueFormat1, valueFormat2); + if (c->plan->flags & HB_SUBSET_FLAGS_NO_HINTING) + newFormats = compute_effective_value_formats (klass1_map, klass2_map); + + out->valueFormat1 = newFormats.first; + out->valueFormat2 = newFormats.second; + + if (c->plan->all_axes_pinned) + { + out->valueFormat1 = out->valueFormat1.drop_device_table_flags (); + out->valueFormat2 = out->valueFormat2.drop_device_table_flags (); + } + + for (unsigned class1_idx : + hb_range ((unsigned) class1Count) | hb_filter (klass1_map)) + { + for (unsigned class2_idx : + hb_range ((unsigned) class2Count) | hb_filter (klass2_map)) + { + unsigned idx = (class1_idx * (unsigned) class2Count + class2_idx) * (len1 + len2); + valueFormat1.copy_values (c->serializer, out->valueFormat1, this, &values[idx], c->plan->layout_variation_idx_delta_map); + valueFormat2.copy_values (c->serializer, out->valueFormat2, this, &values[idx + len1], c->plan->layout_variation_idx_delta_map); + } + } + + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + const hb_map_t &glyph_map = *c->plan->glyph_map; + + auto it = + + hb_iter (this+coverage) + | hb_filter (glyphset) + | hb_map_retains_sorting (glyph_map) + ; + + out->coverage.serialize_serialize (c->serializer, it); + return_trace (out->class1Count && out->class2Count && bool (it)); + } + + + hb_pair_t compute_effective_value_formats (const hb_map_t& klass1_map, + const hb_map_t& klass2_map) const + { + unsigned len1 = valueFormat1.get_len (); + unsigned len2 = valueFormat2.get_len (); + unsigned record_size = len1 + len2; + + unsigned format1 = 0; + unsigned format2 = 0; + + for (unsigned class1_idx : + hb_range ((unsigned) class1Count) | hb_filter (klass1_map)) + { + for (unsigned class2_idx : + hb_range ((unsigned) class2Count) | hb_filter (klass2_map)) + { + unsigned idx = (class1_idx * (unsigned) class2Count + class2_idx) * record_size; + format1 = format1 | valueFormat1.get_effective_format (&values[idx]); + format2 = format2 | valueFormat2.get_effective_format (&values[idx + len1]); + } + + if (format1 == valueFormat1 && format2 == valueFormat2) + break; + } + + return hb_pair (format1, format2); + } +}; + +} +} +} + +#endif // OT_LAYOUT_GPOS_PAIRPOSFORMAT2_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh new file mode 100644 index 0000000000..a318f39913 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairSet.hh @@ -0,0 +1,203 @@ +#ifndef OT_LAYOUT_GPOS_PAIRSET_HH +#define OT_LAYOUT_GPOS_PAIRSET_HH + +#include "PairValueRecord.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + + +template +struct PairSet +{ + template + friend struct PairPosFormat1_3; + + using PairValueRecord = GPOS_impl::PairValueRecord; + + protected: + HBUINT16 len; /* Number of PairValueRecords */ + PairValueRecord firstPairValueRecord; + /* Array of PairValueRecords--ordered + * by GlyphID of the second glyph */ + public: + DEFINE_SIZE_MIN (2); + + struct sanitize_closure_t + { + const ValueFormat *valueFormats; + unsigned int len1; /* valueFormats[0].get_len() */ + unsigned int stride; /* 1 + len1 + len2 */ + }; + + bool sanitize (hb_sanitize_context_t *c, const sanitize_closure_t *closure) const + { + TRACE_SANITIZE (this); + if (!(c->check_struct (this) + && c->check_range (&firstPairValueRecord, + len, + HBUINT16::static_size, + closure->stride))) return_trace (false); + + unsigned int count = len; + const PairValueRecord *record = &firstPairValueRecord; + return_trace (closure->valueFormats[0].sanitize_values_stride_unsafe (c, this, &record->values[0], count, closure->stride) && + closure->valueFormats[1].sanitize_values_stride_unsafe (c, this, &record->values[closure->len1], count, closure->stride)); + } + + bool intersects (const hb_set_t *glyphs, + const ValueFormat *valueFormats) const + { + unsigned int len1 = valueFormats[0].get_len (); + unsigned int len2 = valueFormats[1].get_len (); + unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2); + + const PairValueRecord *record = &firstPairValueRecord; + unsigned int count = len; + for (unsigned int i = 0; i < count; i++) + { + if (glyphs->has (record->secondGlyph)) + return true; + record = &StructAtOffset (record, record_size); + } + return false; + } + + void collect_glyphs (hb_collect_glyphs_context_t *c, + const ValueFormat *valueFormats) const + { + unsigned int len1 = valueFormats[0].get_len (); + unsigned int len2 = valueFormats[1].get_len (); + unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2); + + const PairValueRecord *record = &firstPairValueRecord; + c->input->add_array (&record->secondGlyph, len, record_size); + } + + void collect_variation_indices (hb_collect_variation_indices_context_t *c, + const ValueFormat *valueFormats) const + { + unsigned len1 = valueFormats[0].get_len (); + unsigned len2 = valueFormats[1].get_len (); + unsigned record_size = HBUINT16::static_size * (1 + len1 + len2); + + const PairValueRecord *record = &firstPairValueRecord; + unsigned count = len; + for (unsigned i = 0; i < count; i++) + { + if (c->glyph_set->has (record->secondGlyph)) + { record->collect_variation_indices (c, valueFormats, this); } + + record = &StructAtOffset (record, record_size); + } + } + + bool apply (hb_ot_apply_context_t *c, + const ValueFormat *valueFormats, + unsigned int pos) const + { + TRACE_APPLY (this); + hb_buffer_t *buffer = c->buffer; + unsigned int len1 = valueFormats[0].get_len (); + unsigned int len2 = valueFormats[1].get_len (); + unsigned int record_size = HBUINT16::static_size * (1 + len1 + len2); + + const PairValueRecord *record = hb_bsearch (buffer->info[pos].codepoint, + &firstPairValueRecord, + len, + record_size); + if (record) + { + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "try kerning glyphs at %d,%d", + c->buffer->idx, pos); + } + + bool applied_first = valueFormats[0].apply_value (c, this, &record->values[0], buffer->cur_pos()); + bool applied_second = valueFormats[1].apply_value (c, this, &record->values[len1], buffer->pos[pos]); + + if (applied_first || applied_second) + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "kerned glyphs at %d,%d", + c->buffer->idx, pos); + } + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "tried kerning glyphs at %d,%d", + c->buffer->idx, pos); + } + + if (applied_first || applied_second) + buffer->unsafe_to_break (buffer->idx, pos + 1); + + if (len2) + { + pos++; + // https://github.com/harfbuzz/harfbuzz/issues/3824 + // https://github.com/harfbuzz/harfbuzz/issues/3888#issuecomment-1326781116 + buffer->unsafe_to_break (buffer->idx, pos + 1); + } + + buffer->idx = pos; + return_trace (true); + } + buffer->unsafe_to_concat (buffer->idx, pos + 1); + return_trace (false); + } + + bool subset (hb_subset_context_t *c, + const ValueFormat valueFormats[2], + const ValueFormat newFormats[2]) const + { + TRACE_SUBSET (this); + auto snap = c->serializer->snapshot (); + + auto *out = c->serializer->start_embed (*this); + if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + out->len = 0; + + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + const hb_map_t &glyph_map = *c->plan->glyph_map; + + unsigned len1 = valueFormats[0].get_len (); + unsigned len2 = valueFormats[1].get_len (); + unsigned record_size = HBUINT16::static_size + Value::static_size * (len1 + len2); + + typename PairValueRecord::context_t context = + { + this, + valueFormats, + newFormats, + len1, + &glyph_map, + c->plan->layout_variation_idx_delta_map + }; + + const PairValueRecord *record = &firstPairValueRecord; + unsigned count = len, num = 0; + for (unsigned i = 0; i < count; i++) + { + if (glyphset.has (record->secondGlyph) + && record->subset (c, &context)) num++; + record = &StructAtOffset (record, record_size); + } + + out->len = num; + if (!num) c->serializer->revert (snap); + return_trace (num); + } +}; + + +} +} +} + +#endif // OT_LAYOUT_GPOS_PAIRSET_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairValueRecord.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairValueRecord.hh new file mode 100644 index 0000000000..3222477764 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PairValueRecord.hh @@ -0,0 +1,99 @@ +#ifndef OT_LAYOUT_GPOS_PAIRVALUERECORD_HH +#define OT_LAYOUT_GPOS_PAIRVALUERECORD_HH + +#include "ValueFormat.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + + +template +struct PairValueRecord +{ + template + friend struct PairSet; + + protected: + typename Types::HBGlyphID + secondGlyph; /* GlyphID of second glyph in the + * pair--first glyph is listed in the + * Coverage table */ + ValueRecord values; /* Positioning data for the first glyph + * followed by for second glyph */ + public: + DEFINE_SIZE_ARRAY (Types::size, values); + + int cmp (hb_codepoint_t k) const + { return secondGlyph.cmp (k); } + + struct context_t + { + const void *base; + const ValueFormat *valueFormats; + const ValueFormat *newFormats; + unsigned len1; /* valueFormats[0].get_len() */ + const hb_map_t *glyph_map; + const hb_hashmap_t> *layout_variation_idx_delta_map; + }; + + bool subset (hb_subset_context_t *c, + context_t *closure) const + { + TRACE_SERIALIZE (this); + auto *s = c->serializer; + auto *out = s->start_embed (*this); + if (unlikely (!s->extend_min (out))) return_trace (false); + + out->secondGlyph = (*closure->glyph_map)[secondGlyph]; + + closure->valueFormats[0].copy_values (s, + closure->newFormats[0], + closure->base, &values[0], + closure->layout_variation_idx_delta_map); + closure->valueFormats[1].copy_values (s, + closure->newFormats[1], + closure->base, + &values[closure->len1], + closure->layout_variation_idx_delta_map); + + return_trace (true); + } + + void collect_variation_indices (hb_collect_variation_indices_context_t *c, + const ValueFormat *valueFormats, + const void *base) const + { + unsigned record1_len = valueFormats[0].get_len (); + unsigned record2_len = valueFormats[1].get_len (); + const hb_array_t values_array = values.as_array (record1_len + record2_len); + + if (valueFormats[0].has_device ()) + valueFormats[0].collect_variation_indices (c, base, values_array.sub_array (0, record1_len)); + + if (valueFormats[1].has_device ()) + valueFormats[1].collect_variation_indices (c, base, values_array.sub_array (record1_len, record2_len)); + } + + bool intersects (const hb_set_t& glyphset) const + { + return glyphset.has(secondGlyph); + } + + const Value* get_values_1 () const + { + return &values[0]; + } + + const Value* get_values_2 (ValueFormat format1) const + { + return &values[format1.get_len ()]; + } +}; + + +} +} +} + +#endif // OT_LAYOUT_GPOS_PAIRVALUERECORD_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookup.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookup.hh new file mode 100644 index 0000000000..c4e57bb543 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookup.hh @@ -0,0 +1,79 @@ +#ifndef OT_LAYOUT_GPOS_POSLOOKUP_HH +#define OT_LAYOUT_GPOS_POSLOOKUP_HH + +#include "PosLookupSubTable.hh" +#include "../../../hb-ot-layout-common.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct PosLookup : Lookup +{ + using SubTable = PosLookupSubTable; + + const SubTable& get_subtable (unsigned int i) const + { return Lookup::get_subtable (i); } + + bool is_reverse () const + { + return false; + } + + bool apply (hb_ot_apply_context_t *c) const + { + TRACE_APPLY (this); + return_trace (dispatch (c)); + } + + bool intersects (const hb_set_t *glyphs) const + { + hb_intersects_context_t c (glyphs); + return dispatch (&c); + } + + hb_collect_glyphs_context_t::return_t collect_glyphs (hb_collect_glyphs_context_t *c) const + { return dispatch (c); } + + hb_closure_lookups_context_t::return_t closure_lookups (hb_closure_lookups_context_t *c, unsigned this_index) const + { + if (c->is_lookup_visited (this_index)) + return hb_closure_lookups_context_t::default_return_value (); + + c->set_lookup_visited (this_index); + if (!intersects (c->glyphs)) + { + c->set_lookup_inactive (this_index); + return hb_closure_lookups_context_t::default_return_value (); + } + + hb_closure_lookups_context_t::return_t ret = dispatch (c); + return ret; + } + + template + void collect_coverage (set_t *glyphs) const + { + hb_collect_coverage_context_t c (glyphs); + dispatch (&c); + } + + template + static typename context_t::return_t dispatch_recurse_func (context_t *c, unsigned int lookup_index); + + template + typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const + { return Lookup::dispatch (c, std::forward (ds)...); } + + bool subset (hb_subset_context_t *c) const + { return Lookup::subset (c); } + + bool sanitize (hb_sanitize_context_t *c) const + { return Lookup::sanitize (c); } +}; + +} +} +} + +#endif /* OT_LAYOUT_GPOS_POSLOOKUP_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookupSubTable.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookupSubTable.hh new file mode 100644 index 0000000000..c19fbc323f --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/PosLookupSubTable.hh @@ -0,0 +1,79 @@ +#ifndef OT_LAYOUT_GPOS_POSLOOKUPSUBTABLE_HH +#define OT_LAYOUT_GPOS_POSLOOKUPSUBTABLE_HH + +#include "SinglePos.hh" +#include "PairPos.hh" +#include "CursivePos.hh" +#include "MarkBasePos.hh" +#include "MarkLigPos.hh" +#include "MarkMarkPos.hh" +#include "ContextPos.hh" +#include "ChainContextPos.hh" +#include "ExtensionPos.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct PosLookupSubTable +{ + friend struct ::OT::Lookup; + friend struct PosLookup; + + enum Type { + Single = 1, + Pair = 2, + Cursive = 3, + MarkBase = 4, + MarkLig = 5, + MarkMark = 6, + Context = 7, + ChainContext = 8, + Extension = 9 + }; + + template + typename context_t::return_t dispatch (context_t *c, unsigned int lookup_type, Ts&&... ds) const + { + TRACE_DISPATCH (this, lookup_type); + switch (lookup_type) { + case Single: return_trace (u.single.dispatch (c, std::forward (ds)...)); + case Pair: return_trace (u.pair.dispatch (c, std::forward (ds)...)); + case Cursive: return_trace (u.cursive.dispatch (c, std::forward (ds)...)); + case MarkBase: return_trace (u.markBase.dispatch (c, std::forward (ds)...)); + case MarkLig: return_trace (u.markLig.dispatch (c, std::forward (ds)...)); + case MarkMark: return_trace (u.markMark.dispatch (c, std::forward (ds)...)); + case Context: return_trace (u.context.dispatch (c, std::forward (ds)...)); + case ChainContext: return_trace (u.chainContext.dispatch (c, std::forward (ds)...)); + case Extension: return_trace (u.extension.dispatch (c, std::forward (ds)...)); + default: return_trace (c->default_return_value ()); + } + } + + bool intersects (const hb_set_t *glyphs, unsigned int lookup_type) const + { + hb_intersects_context_t c (glyphs); + return dispatch (&c, lookup_type); + } + + protected: + union { + SinglePos single; + PairPos pair; + CursivePos cursive; + MarkBasePos markBase; + MarkLigPos markLig; + MarkMarkPos markMark; + ContextPos context; + ChainContextPos chainContext; + ExtensionPos extension; + } u; + public: + DEFINE_SIZE_MIN (0); +}; + +} +} +} + +#endif /* HB_OT_LAYOUT_GPOS_POSLOOKUPSUBTABLE_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePos.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePos.hh new file mode 100644 index 0000000000..6dce3e6343 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePos.hh @@ -0,0 +1,100 @@ +#ifndef OT_LAYOUT_GPOS_SINGLEPOS_HH +#define OT_LAYOUT_GPOS_SINGLEPOS_HH + +#include "SinglePosFormat1.hh" +#include "SinglePosFormat2.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct SinglePos +{ + protected: + union { + HBUINT16 format; /* Format identifier */ + SinglePosFormat1 format1; + SinglePosFormat2 format2; + } u; + + public: + template + unsigned get_format (Iterator glyph_val_iter_pairs) + { + hb_array_t first_val_iter = hb_second (*glyph_val_iter_pairs); + + for (const auto iter : glyph_val_iter_pairs) + for (const auto _ : hb_zip (iter.second, first_val_iter)) + if (_.first != _.second) + return 2; + + return 1; + } + + template + void serialize (hb_serialize_context_t *c, + const SrcLookup* src, + Iterator glyph_val_iter_pairs, + const hb_hashmap_t> *layout_variation_idx_delta_map, + bool all_axes_pinned) + { + if (unlikely (!c->extend_min (u.format))) return; + unsigned format = 2; + ValueFormat new_format = src->get_value_format (); + + if (all_axes_pinned) + new_format = new_format.drop_device_table_flags (); + + if (glyph_val_iter_pairs) + format = get_format (glyph_val_iter_pairs); + + u.format = format; + switch (u.format) { + case 1: u.format1.serialize (c, + src, + glyph_val_iter_pairs, + new_format, + layout_variation_idx_delta_map); + return; + case 2: u.format2.serialize (c, + src, + glyph_val_iter_pairs, + new_format, + layout_variation_idx_delta_map); + return; + default:return; + } + } + + template + typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const + { + TRACE_DISPATCH (this, u.format); + if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ()); + switch (u.format) { + case 1: return_trace (c->dispatch (u.format1, std::forward (ds)...)); + case 2: return_trace (c->dispatch (u.format2, std::forward (ds)...)); + default:return_trace (c->default_return_value ()); + } + } +}; + + +template +static void +SinglePos_serialize (hb_serialize_context_t *c, + const SrcLookup *src, + Iterator it, + const hb_hashmap_t> *layout_variation_idx_delta_map, + bool all_axes_pinned) +{ c->start_embed ()->serialize (c, src, it, layout_variation_idx_delta_map, all_axes_pinned); } + + +} +} +} + +#endif /* OT_LAYOUT_GPOS_SINGLEPOS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat1.hh new file mode 100644 index 0000000000..b4c9fc3db0 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat1.hh @@ -0,0 +1,156 @@ +#ifndef OT_LAYOUT_GPOS_SINGLEPOSFORMAT1_HH +#define OT_LAYOUT_GPOS_SINGLEPOSFORMAT1_HH + +#include "Common.hh" +#include "ValueFormat.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct SinglePosFormat1 +{ + protected: + HBUINT16 format; /* Format identifier--format = 1 */ + Offset16To + coverage; /* Offset to Coverage table--from + * beginning of subtable */ + ValueFormat valueFormat; /* Defines the types of data in the + * ValueRecord */ + ValueRecord values; /* Defines positioning + * value(s)--applied to all glyphs in + * the Coverage table */ + public: + DEFINE_SIZE_ARRAY (6, values); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this) && + coverage.sanitize (c, this) && + valueFormat.sanitize_value (c, this, values)); + } + + bool intersects (const hb_set_t *glyphs) const + { return (this+coverage).intersects (glyphs); } + + void closure_lookups (hb_closure_lookups_context_t *c) const {} + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + if (!valueFormat.has_device ()) return; + + hb_set_t intersection; + (this+coverage).intersect_set (*c->glyph_set, intersection); + if (!intersection) return; + + valueFormat.collect_variation_indices (c, this, values.as_array (valueFormat.get_len ())); + } + + void collect_glyphs (hb_collect_glyphs_context_t *c) const + { if (unlikely (!(this+coverage).collect_coverage (c->input))) return; } + + const Coverage &get_coverage () const { return this+coverage; } + + ValueFormat get_value_format () const { return valueFormat; } + + bool apply (hb_ot_apply_context_t *c) const + { + TRACE_APPLY (this); + hb_buffer_t *buffer = c->buffer; + unsigned int index = (this+coverage).get_coverage (buffer->cur().codepoint); + if (likely (index == NOT_COVERED)) return_trace (false); + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "positioning glyph at %d", + c->buffer->idx); + } + + valueFormat.apply_value (c, this, values, buffer->cur_pos()); + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "positioned glyph at %d", + c->buffer->idx); + } + + buffer->idx++; + return_trace (true); + } + + bool + position_single (hb_font_t *font, + hb_direction_t direction, + hb_codepoint_t gid, + hb_glyph_position_t &pos) const + { + unsigned int index = (this+coverage).get_coverage (gid); + if (likely (index == NOT_COVERED)) return false; + + /* This is ugly... */ + hb_buffer_t buffer; + buffer.props.direction = direction; + OT::hb_ot_apply_context_t c (1, font, &buffer); + + valueFormat.apply_value (&c, this, values, pos); + return true; + } + + template + void serialize (hb_serialize_context_t *c, + const SrcLookup *src, + Iterator it, + ValueFormat newFormat, + const hb_hashmap_t> *layout_variation_idx_delta_map) + { + if (unlikely (!c->extend_min (this))) return; + if (unlikely (!c->check_assign (valueFormat, + newFormat, + HB_SERIALIZE_ERROR_INT_OVERFLOW))) return; + + for (const hb_array_t& _ : + it | hb_map (hb_second)) + { + src->get_value_format ().copy_values (c, newFormat, src, &_, layout_variation_idx_delta_map); + // Only serialize the first entry in the iterator, the rest are assumed to + // be the same. + break; + } + + auto glyphs = + + it + | hb_map_retains_sorting (hb_first) + ; + + coverage.serialize_serialize (c, glyphs); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + const hb_map_t &glyph_map = *c->plan->glyph_map; + + hb_set_t intersection; + (this+coverage).intersect_set (glyphset, intersection); + + auto it = + + hb_iter (intersection) + | hb_map_retains_sorting (glyph_map) + | hb_zip (hb_repeat (values.as_array (valueFormat.get_len ()))) + ; + + bool ret = bool (it); + SinglePos_serialize (c->serializer, this, it, c->plan->layout_variation_idx_delta_map, c->plan->all_axes_pinned); + return_trace (ret); + } +}; + +} +} +} + +#endif /* OT_LAYOUT_GPOS_SINGLEPOSFORMAT1_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat2.hh new file mode 100644 index 0000000000..c77951156b --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/SinglePosFormat2.hh @@ -0,0 +1,176 @@ +#ifndef OT_LAYOUT_GPOS_SINGLEPOSFORMAT2_HH +#define OT_LAYOUT_GPOS_SINGLEPOSFORMAT2_HH + +#include "Common.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +struct SinglePosFormat2 +{ + protected: + HBUINT16 format; /* Format identifier--format = 2 */ + Offset16To + coverage; /* Offset to Coverage table--from + * beginning of subtable */ + ValueFormat valueFormat; /* Defines the types of data in the + * ValueRecord */ + HBUINT16 valueCount; /* Number of ValueRecords */ + ValueRecord values; /* Array of ValueRecords--positioning + * values applied to glyphs */ + public: + DEFINE_SIZE_ARRAY (8, values); + + bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (c->check_struct (this) && + coverage.sanitize (c, this) && + valueFormat.sanitize_values (c, this, values, valueCount)); + } + + bool intersects (const hb_set_t *glyphs) const + { return (this+coverage).intersects (glyphs); } + + void closure_lookups (hb_closure_lookups_context_t *c) const {} + void collect_variation_indices (hb_collect_variation_indices_context_t *c) const + { + if (!valueFormat.has_device ()) return; + + auto it = + + hb_zip (this+coverage, hb_range ((unsigned) valueCount)) + | hb_filter (c->glyph_set, hb_first) + ; + + if (!it) return; + + unsigned sub_length = valueFormat.get_len (); + const hb_array_t values_array = values.as_array (valueCount * sub_length); + + for (unsigned i : + it + | hb_map (hb_second)) + valueFormat.collect_variation_indices (c, this, values_array.sub_array (i * sub_length, sub_length)); + + } + + void collect_glyphs (hb_collect_glyphs_context_t *c) const + { if (unlikely (!(this+coverage).collect_coverage (c->input))) return; } + + const Coverage &get_coverage () const { return this+coverage; } + + ValueFormat get_value_format () const { return valueFormat; } + + bool apply (hb_ot_apply_context_t *c) const + { + TRACE_APPLY (this); + hb_buffer_t *buffer = c->buffer; + unsigned int index = (this+coverage).get_coverage (buffer->cur().codepoint); + if (likely (index == NOT_COVERED)) return_trace (false); + + if (unlikely (index >= valueCount)) return_trace (false); + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "positioning glyph at %d", + c->buffer->idx); + } + + valueFormat.apply_value (c, this, + &values[index * valueFormat.get_len ()], + buffer->cur_pos()); + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "positioned glyph at %d", + c->buffer->idx); + } + + buffer->idx++; + return_trace (true); + } + + bool + position_single (hb_font_t *font, + hb_direction_t direction, + hb_codepoint_t gid, + hb_glyph_position_t &pos) const + { + unsigned int index = (this+coverage).get_coverage (gid); + if (likely (index == NOT_COVERED)) return false; + if (unlikely (index >= valueCount)) return false; + + /* This is ugly... */ + hb_buffer_t buffer; + buffer.props.direction = direction; + OT::hb_ot_apply_context_t c (1, font, &buffer); + + valueFormat.apply_value (&c, this, + &values[index * valueFormat.get_len ()], + pos); + return true; + } + + + template + void serialize (hb_serialize_context_t *c, + const SrcLookup *src, + Iterator it, + ValueFormat newFormat, + const hb_hashmap_t> *layout_variation_idx_delta_map) + { + auto out = c->extend_min (this); + if (unlikely (!out)) return; + if (unlikely (!c->check_assign (valueFormat, newFormat, HB_SERIALIZE_ERROR_INT_OVERFLOW))) return; + if (unlikely (!c->check_assign (valueCount, it.len (), HB_SERIALIZE_ERROR_ARRAY_OVERFLOW))) return; + + + it + | hb_map (hb_second) + | hb_apply ([&] (hb_array_t _) + { src->get_value_format ().copy_values (c, newFormat, src, &_, layout_variation_idx_delta_map); }) + ; + + auto glyphs = + + it + | hb_map_retains_sorting (hb_first) + ; + + coverage.serialize_serialize (c, glyphs); + } + + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + const hb_set_t &glyphset = *c->plan->glyphset_gsub (); + const hb_map_t &glyph_map = *c->plan->glyph_map; + + unsigned sub_length = valueFormat.get_len (); + auto values_array = values.as_array (valueCount * sub_length); + + auto it = + + hb_zip (this+coverage, hb_range ((unsigned) valueCount)) + | hb_filter (glyphset, hb_first) + | hb_map_retains_sorting ([&] (const hb_pair_t& _) + { + return hb_pair (glyph_map[_.first], + values_array.sub_array (_.second * sub_length, + sub_length)); + }) + ; + + bool ret = bool (it); + SinglePos_serialize (c->serializer, this, it, c->plan->layout_variation_idx_delta_map, c->plan->all_axes_pinned); + return_trace (ret); + } +}; + + +} +} +} + +#endif /* OT_LAYOUT_GPOS_SINGLEPOSFORMAT2_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ValueFormat.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ValueFormat.hh new file mode 100644 index 0000000000..26a40f01a3 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/ValueFormat.hh @@ -0,0 +1,394 @@ +#ifndef OT_LAYOUT_GPOS_VALUEFORMAT_HH +#define OT_LAYOUT_GPOS_VALUEFORMAT_HH + +#include "../../../hb-ot-layout-gsubgpos.hh" + +namespace OT { +namespace Layout { +namespace GPOS_impl { + +typedef HBUINT16 Value; + +typedef UnsizedArrayOf ValueRecord; + +struct ValueFormat : HBUINT16 +{ + enum Flags { + xPlacement = 0x0001u, /* Includes horizontal adjustment for placement */ + yPlacement = 0x0002u, /* Includes vertical adjustment for placement */ + xAdvance = 0x0004u, /* Includes horizontal adjustment for advance */ + yAdvance = 0x0008u, /* Includes vertical adjustment for advance */ + xPlaDevice = 0x0010u, /* Includes horizontal Device table for placement */ + yPlaDevice = 0x0020u, /* Includes vertical Device table for placement */ + xAdvDevice = 0x0040u, /* Includes horizontal Device table for advance */ + yAdvDevice = 0x0080u, /* Includes vertical Device table for advance */ + ignored = 0x0F00u, /* Was used in TrueType Open for MM fonts */ + reserved = 0xF000u, /* For future use */ + + devices = 0x00F0u /* Mask for having any Device table */ + }; + +/* All fields are options. Only those available advance the value pointer. */ +#if 0 + HBINT16 xPlacement; /* Horizontal adjustment for + * placement--in design units */ + HBINT16 yPlacement; /* Vertical adjustment for + * placement--in design units */ + HBINT16 xAdvance; /* Horizontal adjustment for + * advance--in design units (only used + * for horizontal writing) */ + HBINT16 yAdvance; /* Vertical adjustment for advance--in + * design units (only used for vertical + * writing) */ + Offset16To xPlaDevice; /* Offset to Device table for + * horizontal placement--measured from + * beginning of PosTable (may be NULL) */ + Offset16To yPlaDevice; /* Offset to Device table for vertical + * placement--measured from beginning + * of PosTable (may be NULL) */ + Offset16To xAdvDevice; /* Offset to Device table for + * horizontal advance--measured from + * beginning of PosTable (may be NULL) */ + Offset16To yAdvDevice; /* Offset to Device table for vertical + * advance--measured from beginning of + * PosTable (may be NULL) */ +#endif + + IntType& operator = (uint16_t i) { v = i; return *this; } + + unsigned int get_len () const { return hb_popcount ((unsigned int) *this); } + unsigned int get_size () const { return get_len () * Value::static_size; } + + hb_vector_t get_device_table_indices () const { + unsigned i = 0; + hb_vector_t result; + unsigned format = *this; + + if (format & xPlacement) i++; + if (format & yPlacement) i++; + if (format & xAdvance) i++; + if (format & yAdvance) i++; + + if (format & xPlaDevice) result.push (i++); + if (format & yPlaDevice) result.push (i++); + if (format & xAdvDevice) result.push (i++); + if (format & yAdvDevice) result.push (i++); + + return result; + } + + bool apply_value (hb_ot_apply_context_t *c, + const void *base, + const Value *values, + hb_glyph_position_t &glyph_pos) const + { + bool ret = false; + unsigned int format = *this; + if (!format) return ret; + + hb_font_t *font = c->font; + bool horizontal = +#ifndef HB_NO_VERTICAL + HB_DIRECTION_IS_HORIZONTAL (c->direction) +#else + true +#endif + ; + + if (format & xPlacement) glyph_pos.x_offset += font->em_scale_x (get_short (values++, &ret)); + if (format & yPlacement) glyph_pos.y_offset += font->em_scale_y (get_short (values++, &ret)); + if (format & xAdvance) { + if (likely (horizontal)) glyph_pos.x_advance += font->em_scale_x (get_short (values, &ret)); + values++; + } + /* y_advance values grow downward but font-space grows upward, hence negation */ + if (format & yAdvance) { + if (unlikely (!horizontal)) glyph_pos.y_advance -= font->em_scale_y (get_short (values, &ret)); + values++; + } + + if (!has_device ()) return ret; + + bool use_x_device = font->x_ppem || font->num_coords; + bool use_y_device = font->y_ppem || font->num_coords; + + if (!use_x_device && !use_y_device) return ret; + + const VariationStore &store = c->var_store; + auto *cache = c->var_store_cache; + + /* pixel -> fractional pixel */ + if (format & xPlaDevice) { + if (use_x_device) glyph_pos.x_offset += (base + get_device (values, &ret)).get_x_delta (font, store, cache); + values++; + } + if (format & yPlaDevice) { + if (use_y_device) glyph_pos.y_offset += (base + get_device (values, &ret)).get_y_delta (font, store, cache); + values++; + } + if (format & xAdvDevice) { + if (horizontal && use_x_device) glyph_pos.x_advance += (base + get_device (values, &ret)).get_x_delta (font, store, cache); + values++; + } + if (format & yAdvDevice) { + /* y_advance values grow downward but font-space grows upward, hence negation */ + if (!horizontal && use_y_device) glyph_pos.y_advance -= (base + get_device (values, &ret)).get_y_delta (font, store, cache); + values++; + } + return ret; + } + + unsigned int get_effective_format (const Value *values) const + { + unsigned int format = *this; + for (unsigned flag = xPlacement; flag <= yAdvDevice; flag = flag << 1) { + if (format & flag) should_drop (*values++, (Flags) flag, &format); + } + + return format; + } + + template + unsigned int get_effective_format (Iterator it) const { + unsigned int new_format = 0; + + for (const hb_array_t& values : it) + new_format = new_format | get_effective_format (&values); + + return new_format; + } + + void copy_values (hb_serialize_context_t *c, + unsigned int new_format, + const void *base, + const Value *values, + const hb_hashmap_t> *layout_variation_idx_delta_map) const + { + unsigned int format = *this; + if (!format) return; + + HBINT16 *x_placement = nullptr, *y_placement = nullptr, *x_adv = nullptr, *y_adv = nullptr; + if (format & xPlacement) x_placement = copy_value (c, new_format, xPlacement, *values++); + if (format & yPlacement) y_placement = copy_value (c, new_format, yPlacement, *values++); + if (format & xAdvance) x_adv = copy_value (c, new_format, xAdvance, *values++); + if (format & yAdvance) y_adv = copy_value (c, new_format, yAdvance, *values++); + + if (format & xPlaDevice) + { + add_delta_to_value (x_placement, base, values, layout_variation_idx_delta_map); + copy_device (c, base, values++, layout_variation_idx_delta_map, new_format, xPlaDevice); + } + + if (format & yPlaDevice) + { + add_delta_to_value (y_placement, base, values, layout_variation_idx_delta_map); + copy_device (c, base, values++, layout_variation_idx_delta_map, new_format, yPlaDevice); + } + + if (format & xAdvDevice) + { + add_delta_to_value (x_adv, base, values, layout_variation_idx_delta_map); + copy_device (c, base, values++, layout_variation_idx_delta_map, new_format, xAdvDevice); + } + + if (format & yAdvDevice) + { + add_delta_to_value (y_adv, base, values, layout_variation_idx_delta_map); + copy_device (c, base, values++, layout_variation_idx_delta_map, new_format, yAdvDevice); + } + } + + HBINT16* copy_value (hb_serialize_context_t *c, + unsigned int new_format, + Flags flag, + Value value) const + { + // Filter by new format. + if (!(new_format & flag)) return nullptr; + return reinterpret_cast (c->copy (value)); + } + + void collect_variation_indices (hb_collect_variation_indices_context_t *c, + const void *base, + const hb_array_t& values) const + { + unsigned format = *this; + unsigned i = 0; + if (format & xPlacement) i++; + if (format & yPlacement) i++; + if (format & xAdvance) i++; + if (format & yAdvance) i++; + if (format & xPlaDevice) + { + (base + get_device (&(values[i]))).collect_variation_indices (c); + i++; + } + + if (format & ValueFormat::yPlaDevice) + { + (base + get_device (&(values[i]))).collect_variation_indices (c); + i++; + } + + if (format & ValueFormat::xAdvDevice) + { + + (base + get_device (&(values[i]))).collect_variation_indices (c); + i++; + } + + if (format & ValueFormat::yAdvDevice) + { + + (base + get_device (&(values[i]))).collect_variation_indices (c); + i++; + } + } + + unsigned drop_device_table_flags () const + { + unsigned format = *this; + for (unsigned flag = xPlaDevice; flag <= yAdvDevice; flag = flag << 1) + format = format & ~flag; + + return format; + } + + private: + bool sanitize_value_devices (hb_sanitize_context_t *c, const void *base, const Value *values) const + { + unsigned int format = *this; + + if (format & xPlacement) values++; + if (format & yPlacement) values++; + if (format & xAdvance) values++; + if (format & yAdvance) values++; + + if ((format & xPlaDevice) && !get_device (values++).sanitize (c, base)) return false; + if ((format & yPlaDevice) && !get_device (values++).sanitize (c, base)) return false; + if ((format & xAdvDevice) && !get_device (values++).sanitize (c, base)) return false; + if ((format & yAdvDevice) && !get_device (values++).sanitize (c, base)) return false; + + return true; + } + + static inline Offset16To& get_device (Value* value) + { + return *static_cast *> (value); + } + static inline const Offset16To& get_device (const Value* value, bool *worked=nullptr) + { + if (worked) *worked |= bool (*value); + return *static_cast *> (value); + } + + void add_delta_to_value (HBINT16 *value, + const void *base, + const Value *src_value, + const hb_hashmap_t> *layout_variation_idx_delta_map) const + { + if (!value) return; + unsigned varidx = (base + get_device (src_value)).get_variation_index (); + hb_pair_t *varidx_delta; + if (!layout_variation_idx_delta_map->has (varidx, &varidx_delta)) return; + + *value += hb_second (*varidx_delta); + } + + bool copy_device (hb_serialize_context_t *c, const void *base, + const Value *src_value, + const hb_hashmap_t> *layout_variation_idx_delta_map, + unsigned int new_format, Flags flag) const + { + // Filter by new format. + if (!(new_format & flag)) return true; + + Value *dst_value = c->copy (*src_value); + + if (!dst_value) return false; + if (*dst_value == 0) return true; + + *dst_value = 0; + c->push (); + if ((base + get_device (src_value)).copy (c, layout_variation_idx_delta_map)) + { + c->add_link (*dst_value, c->pop_pack ()); + return true; + } + else + { + c->pop_discard (); + return false; + } + } + + static inline const HBINT16& get_short (const Value* value, bool *worked=nullptr) + { + if (worked) *worked |= bool (*value); + return *reinterpret_cast (value); + } + + public: + + bool has_device () const + { + unsigned int format = *this; + return (format & devices) != 0; + } + + bool sanitize_value (hb_sanitize_context_t *c, const void *base, const Value *values) const + { + TRACE_SANITIZE (this); + return_trace (c->check_range (values, get_size ()) && (!has_device () || sanitize_value_devices (c, base, values))); + } + + bool sanitize_values (hb_sanitize_context_t *c, const void *base, const Value *values, unsigned int count) const + { + TRACE_SANITIZE (this); + unsigned int len = get_len (); + + if (!c->check_range (values, count, get_size ())) return_trace (false); + + if (!has_device ()) return_trace (true); + + for (unsigned int i = 0; i < count; i++) { + if (!sanitize_value_devices (c, base, values)) + return_trace (false); + values += len; + } + + return_trace (true); + } + + /* Just sanitize referenced Device tables. Doesn't check the values themselves. */ + bool sanitize_values_stride_unsafe (hb_sanitize_context_t *c, const void *base, const Value *values, unsigned int count, unsigned int stride) const + { + TRACE_SANITIZE (this); + + if (!has_device ()) return_trace (true); + + for (unsigned int i = 0; i < count; i++) { + if (!sanitize_value_devices (c, base, values)) + return_trace (false); + values += stride; + } + + return_trace (true); + } + + private: + + void should_drop (Value value, Flags flag, unsigned int* format) const + { + if (value) return; + *format = *format & ~flag; + } + +}; + +} +} +} + +#endif // #ifndef OT_LAYOUT_GPOS_VALUEFORMAT_HH diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSet.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSet.hh index 484f347468..6c50c9717a 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSet.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSet.hh @@ -5,12 +5,13 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { +template struct AlternateSet { protected: - Array16Of + Array16Of alternates; /* Array of alternate GlyphIDs--in * arbitrary order */ public: @@ -56,8 +57,23 @@ struct AlternateSet if (unlikely (alt_index > count || alt_index == 0)) return_trace (false); + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->sync_so_far (); + c->buffer->message (c->font, + "replacing glyph at %d (alternate substitution)", + c->buffer->idx); + } + c->replace_glyph (alternates[alt_index - 1]); + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "replaced glyph at %d (alternate substitution)", + c->buffer->idx - 1); + } + return_trace (true); } @@ -68,7 +84,7 @@ struct AlternateSet { if (alternates.len && alternate_count) { - + alternates.sub_array (start_offset, alternate_count) + + alternates.as_array ().sub_array (start_offset, alternate_count) | hb_sink (hb_array (alternate_glyphs, *alternate_count)) ; } diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh index e5d999261f..9d7cd6fddf 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubst.hh @@ -6,14 +6,17 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct AlternateSubst { protected: union { - HBUINT16 format; /* Format identifier */ - AlternateSubstFormat1 format1; + HBUINT16 format; /* Format identifier */ + AlternateSubstFormat1_2 format1; +#ifndef HB_NO_BEYOND_64K + AlternateSubstFormat1_2 format2; +#endif } u; public: @@ -24,10 +27,15 @@ struct AlternateSubst if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ()); switch (u.format) { case 1: return_trace (c->dispatch (u.format1, std::forward (ds)...)); +#ifndef HB_NO_BEYOND_64K + case 2: return_trace (c->dispatch (u.format2, std::forward (ds)...)); +#endif default:return_trace (c->default_return_value ()); } } + /* TODO This function is unused and not updated to 24bit GIDs. Should be done by using + * iterators. While at it perhaps using iterator of arrays of hb_codepoint_t instead. */ bool serialize (hb_serialize_context_t *c, hb_sorted_array_t glyphs, hb_array_t alternate_len_list, @@ -42,6 +50,9 @@ struct AlternateSubst default:return_trace (false); } } + + /* TODO subset() should choose format. */ + }; } diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubstFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubstFormat1.hh index af1cd7bedb..adec65d586 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubstFormat1.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/AlternateSubstFormat1.hh @@ -6,20 +6,21 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { -struct AlternateSubstFormat1 +template +struct AlternateSubstFormat1_2 { protected: HBUINT16 format; /* Format identifier--format = 1 */ - Offset16To + typename Types::template OffsetTo coverage; /* Offset to Coverage table--from * beginning of Substitution table */ - Array16OfOffset16To + Array16Of>> alternateSet; /* Array of AlternateSet tables * ordered by Coverage Index */ public: - DEFINE_SIZE_ARRAY (6, alternateSet); + DEFINE_SIZE_ARRAY (2 + 2 * Types::size, alternateSet); bool sanitize (hb_sanitize_context_t *c) const { @@ -39,9 +40,8 @@ struct AlternateSubstFormat1 | hb_filter (c->parent_active_glyphs (), hb_first) | hb_map (hb_second) | hb_map (hb_add (this)) - | hb_apply ([c] (const AlternateSet &_) { _.closure (c); }) + | hb_apply ([c] (const AlternateSet &_) { _.closure (c); }) ; - } void closure_lookups (hb_closure_lookups_context_t *c) const {} @@ -52,7 +52,7 @@ struct AlternateSubstFormat1 + hb_zip (this+coverage, alternateSet) | hb_map (hb_second) | hb_map (hb_add (this)) - | hb_apply ([c] (const AlternateSet &_) { _.collect_glyphs (c); }) + | hb_apply ([c] (const AlternateSet &_) { _.collect_glyphs (c); }) ; } diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ChainContextSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ChainContextSubst.hh index bbb88b222f..08fd779f73 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ChainContextSubst.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ChainContextSubst.hh @@ -7,7 +7,7 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct ChainContextSubst : ChainContext {}; diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Common.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Common.hh index f4c78a9f02..968bba0481 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Common.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Common.hh @@ -6,7 +6,7 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { typedef hb_pair_t hb_codepoint_pair_t; diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ContextSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ContextSubst.hh index 2af54e8ff4..9f8cb46b5e 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ContextSubst.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ContextSubst.hh @@ -7,7 +7,7 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct ContextSubst : Context {}; diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ExtensionSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ExtensionSubst.hh index 40a3ff439f..831a7dfa2d 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ExtensionSubst.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ExtensionSubst.hh @@ -7,7 +7,7 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct ExtensionSubst : Extension { diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/GSUB.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/GSUB.hh index ad153ce8d7..900cf603e4 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/GSUB.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/GSUB.hh @@ -1,16 +1,15 @@ #ifndef OT_LAYOUT_GSUB_GSUB_HH #define OT_LAYOUT_GSUB_GSUB_HH -// TODO(garretrieger): move to new layout. #include "../../../hb-ot-layout-gsubgpos.hh" #include "Common.hh" #include "SubstLookup.hh" -using OT::Layout::GSUB::SubstLookup; - namespace OT { + +using Layout::GSUB_impl::SubstLookup; + namespace Layout { -namespace GSUB { /* * GSUB -- Glyph Substitution @@ -19,6 +18,8 @@ namespace GSUB { struct GSUB : GSUBGPOS { + using Lookup = SubstLookup; + static constexpr hb_tag_t tableTag = HB_OT_TAG_GSUB; const SubstLookup& get_lookup (unsigned int i) const @@ -26,12 +27,15 @@ struct GSUB : GSUBGPOS bool subset (hb_subset_context_t *c) const { - hb_subset_layout_context_t l (c, tableTag, c->plan->gsub_lookups, c->plan->gsub_langsys, c->plan->gsub_features); + hb_subset_layout_context_t l (c, tableTag); return GSUBGPOS::subset (&l); } bool sanitize (hb_sanitize_context_t *c) const - { return GSUBGPOS::sanitize (c); } + { + TRACE_SANITIZE (this); + return_trace (GSUBGPOS::sanitize (c)); + } HB_INTERNAL bool is_blocklisted (hb_blob_t *blob, hb_face_t *face) const; @@ -45,11 +49,10 @@ struct GSUB : GSUBGPOS }; -} } -struct GSUB_accelerator_t : Layout::GSUB::GSUB::accelerator_t { - GSUB_accelerator_t (hb_face_t *face) : Layout::GSUB::GSUB::accelerator_t (face) {} +struct GSUB_accelerator_t : Layout::GSUB::accelerator_t { + GSUB_accelerator_t (hb_face_t *face) : Layout::GSUB::accelerator_t (face) {} }; diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Ligature.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Ligature.hh index 0448d925d1..cdb35f525b 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Ligature.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Ligature.hh @@ -5,18 +5,20 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { +template struct Ligature { protected: - HBGlyphID16 ligGlyph; /* GlyphID of ligature to substitute */ - HeadlessArrayOf - component; /* Array of component GlyphIDs--start + typename Types::HBGlyphID + ligGlyph; /* GlyphID of ligature to substitute */ + HeadlessArrayOf + component; /* Array of component GlyphIDs--start * with the second component--ordered * in writing direction */ public: - DEFINE_SIZE_ARRAY (4, component); + DEFINE_SIZE_ARRAY (Types::size + 2, component); bool sanitize (hb_sanitize_context_t *c) const { @@ -62,7 +64,24 @@ struct Ligature * as a "ligated" substitution. */ if (unlikely (count == 1)) { + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->sync_so_far (); + c->buffer->message (c->font, + "replacing glyph at %d (ligature substitution)", + c->buffer->idx); + } + c->replace_glyph (ligGlyph); + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "replaced glyph at %d (ligature substitution)", + c->buffer->idx - 1); + } + return_trace (true); } @@ -83,6 +102,31 @@ struct Ligature return_trace (false); } + unsigned pos = 0; + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + unsigned delta = c->buffer->sync_so_far (); + + pos = c->buffer->idx; + + char buf[HB_MAX_CONTEXT_LENGTH * 16] = {0}; + char *p = buf; + + match_end += delta; + for (unsigned i = 0; i < count; i++) + { + match_positions[i] += delta; + if (i) + *p++ = ','; + snprintf (p, sizeof(buf) - (p - buf), "%u", match_positions[i]); + p += strlen(p); + } + + c->buffer->message (c->font, + "ligating glyphs at %s", + buf); + } + ligate_input (c, count, match_positions, @@ -90,6 +134,14 @@ struct Ligature ligGlyph, total_component_count); + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->sync_so_far (); + c->buffer->message (c->font, + "ligated glyph at %d", + pos); + } + return_trace (true); } diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSet.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSet.hh index 185b324b35..637cec7137 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSet.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSet.hh @@ -6,12 +6,13 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { +template struct LigatureSet { protected: - Array16OfOffset16To + Array16OfOffset16To> ligature; /* Array LigatureSet tables * ordered by preference */ public: @@ -28,7 +29,7 @@ struct LigatureSet return + hb_iter (ligature) | hb_map (hb_add (this)) - | hb_map ([glyphs] (const Ligature &_) { return _.intersects (glyphs); }) + | hb_map ([glyphs] (const Ligature &_) { return _.intersects (glyphs); }) | hb_any ; } @@ -37,7 +38,7 @@ struct LigatureSet { + hb_iter (ligature) | hb_map (hb_add (this)) - | hb_apply ([c] (const Ligature &_) { _.closure (c); }) + | hb_apply ([c] (const Ligature &_) { _.closure (c); }) ; } @@ -45,7 +46,7 @@ struct LigatureSet { + hb_iter (ligature) | hb_map (hb_add (this)) - | hb_apply ([c] (const Ligature &_) { _.collect_glyphs (c); }) + | hb_apply ([c] (const Ligature &_) { _.collect_glyphs (c); }) ; } @@ -54,7 +55,7 @@ struct LigatureSet return + hb_iter (ligature) | hb_map (hb_add (this)) - | hb_map ([c] (const Ligature &_) { return _.would_apply (c); }) + | hb_map ([c] (const Ligature &_) { return _.would_apply (c); }) | hb_any ; } @@ -65,7 +66,7 @@ struct LigatureSet unsigned int num_ligs = ligature.len; for (unsigned int i = 0; i < num_ligs; i++) { - const Ligature &lig = this+ligature[i]; + const auto &lig = this+ligature[i]; if (lig.apply (c)) return_trace (true); } diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubst.hh index a029bf5e9f..7ba19e844c 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubst.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubst.hh @@ -6,14 +6,17 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct LigatureSubst { protected: union { - HBUINT16 format; /* Format identifier */ - LigatureSubstFormat1 format1; + HBUINT16 format; /* Format identifier */ + LigatureSubstFormat1_2 format1; +#ifndef HB_NO_BEYOND_64K + LigatureSubstFormat1_2 format2; +#endif } u; public: @@ -24,10 +27,16 @@ struct LigatureSubst if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ()); switch (u.format) { case 1: return_trace (c->dispatch (u.format1, std::forward (ds)...)); +#ifndef HB_NO_BEYOND_64K + case 2: return_trace (c->dispatch (u.format2, std::forward (ds)...)); +#endif default:return_trace (c->default_return_value ()); } } + /* TODO This function is only used by small GIDs, and not updated to 24bit GIDs. Should + * be done by using iterators. While at it perhaps using iterator of arrays of hb_codepoint_t + * instead. */ bool serialize (hb_serialize_context_t *c, hb_sorted_array_t first_glyphs, hb_array_t ligature_per_first_glyph_count_list, @@ -49,6 +58,9 @@ struct LigatureSubst default:return_trace (false); } } + + /* TODO subset() should choose format. */ + }; diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubstFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubstFormat1.hh index 19dfe98469..32b642c38a 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubstFormat1.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/LigatureSubstFormat1.hh @@ -6,20 +6,21 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { -struct LigatureSubstFormat1 +template +struct LigatureSubstFormat1_2 { protected: HBUINT16 format; /* Format identifier--format = 1 */ - Offset16To + typename Types::template OffsetTo coverage; /* Offset to Coverage table--from * beginning of Substitution table */ - Array16OfOffset16To + Array16Of>> ligatureSet; /* Array LigatureSet tables * ordered by Coverage Index */ public: - DEFINE_SIZE_ARRAY (6, ligatureSet); + DEFINE_SIZE_ARRAY (4 + Types::size, ligatureSet); bool sanitize (hb_sanitize_context_t *c) const { @@ -33,7 +34,7 @@ struct LigatureSubstFormat1 + hb_zip (this+coverage, ligatureSet) | hb_filter (*glyphs, hb_first) | hb_map (hb_second) - | hb_map ([this, glyphs] (const Offset16To &_) + | hb_map ([this, glyphs] (const typename Types::template OffsetTo> &_) { return (this+_).intersects (glyphs); }) | hb_any ; @@ -48,7 +49,7 @@ struct LigatureSubstFormat1 | hb_filter (c->parent_active_glyphs (), hb_first) | hb_map (hb_second) | hb_map (hb_add (this)) - | hb_apply ([c] (const LigatureSet &_) { _.closure (c); }) + | hb_apply ([c] (const LigatureSet &_) { _.closure (c); }) ; } @@ -62,7 +63,7 @@ struct LigatureSubstFormat1 + hb_zip (this+coverage, ligatureSet) | hb_map (hb_second) | hb_map (hb_add (this)) - | hb_apply ([c] (const LigatureSet &_) { _.collect_glyphs (c); }) + | hb_apply ([c] (const LigatureSet &_) { _.collect_glyphs (c); }) ; } @@ -73,7 +74,7 @@ struct LigatureSubstFormat1 unsigned int index = (this+coverage).get_coverage (c->glyphs[0]); if (likely (index == NOT_COVERED)) return false; - const LigatureSet &lig_set = this+ligatureSet[index]; + const auto &lig_set = this+ligatureSet[index]; return lig_set.would_apply (c); } @@ -84,7 +85,7 @@ struct LigatureSubstFormat1 unsigned int index = (this+coverage).get_coverage (c->buffer->cur ().codepoint); if (likely (index == NOT_COVERED)) return_trace (false); - const LigatureSet &lig_set = this+ligatureSet[index]; + const auto &lig_set = this+ligatureSet[index]; return_trace (lig_set.apply (c)); } @@ -128,7 +129,7 @@ struct LigatureSubstFormat1 hb_set_t new_coverage; + hb_zip (this+coverage, hb_iter (ligatureSet) | hb_map (hb_add (this))) | hb_filter (glyphset, hb_first) - | hb_filter ([&] (const LigatureSet& _) { + | hb_filter ([&] (const LigatureSet& _) { return _.intersects (&glyphset); }, hb_second) | hb_map (hb_first) diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubst.hh index b289175504..95710ed2be 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubst.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubst.hh @@ -6,14 +6,17 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct MultipleSubst { protected: union { - HBUINT16 format; /* Format identifier */ - MultipleSubstFormat1 format1; + HBUINT16 format; /* Format identifier */ + MultipleSubstFormat1_2 format1; +#ifndef HB_NO_BEYOND_64K + MultipleSubstFormat1_2 format2; +#endif } u; public: @@ -25,24 +28,30 @@ struct MultipleSubst if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ()); switch (u.format) { case 1: return_trace (c->dispatch (u.format1, std::forward (ds)...)); +#ifndef HB_NO_BEYOND_64K + case 2: return_trace (c->dispatch (u.format2, std::forward (ds)...)); +#endif default:return_trace (c->default_return_value ()); } } + template bool serialize (hb_serialize_context_t *c, - hb_sorted_array_t glyphs, - hb_array_t substitute_len_list, - hb_array_t substitute_glyphs_list) + Iterator it) { TRACE_SERIALIZE (this); if (unlikely (!c->extend_min (u.format))) return_trace (false); unsigned int format = 1; u.format = format; switch (u.format) { - case 1: return_trace (u.format1.serialize (c, glyphs, substitute_len_list, substitute_glyphs_list)); + case 1: return_trace (u.format1.serialize (c, it)); default:return_trace (false); } } + + /* TODO subset() should choose format. */ + }; diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubstFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubstFormat1.hh index 54c6dc8478..3b4bd11694 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubstFormat1.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/MultipleSubstFormat1.hh @@ -6,20 +6,21 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { -struct MultipleSubstFormat1 +template +struct MultipleSubstFormat1_2 { protected: HBUINT16 format; /* Format identifier--format = 1 */ - Offset16To + typename Types::template OffsetTo coverage; /* Offset to Coverage table--from * beginning of Substitution table */ - Array16OfOffset16To + Array16Of>> sequence; /* Array of Sequence tables * ordered by Coverage Index */ public: - DEFINE_SIZE_ARRAY (6, sequence); + DEFINE_SIZE_ARRAY (4 + Types::size, sequence); bool sanitize (hb_sanitize_context_t *c) const { @@ -39,7 +40,7 @@ struct MultipleSubstFormat1 | hb_filter (c->parent_active_glyphs (), hb_first) | hb_map (hb_second) | hb_map (hb_add (this)) - | hb_apply ([c] (const Sequence &_) { _.closure (c); }) + | hb_apply ([c] (const Sequence &_) { _.closure (c); }) ; } @@ -51,7 +52,7 @@ struct MultipleSubstFormat1 + hb_zip (this+coverage, sequence) | hb_map (hb_second) | hb_map (hb_add (this)) - | hb_apply ([c] (const Sequence &_) { _.collect_glyphs (c); }) + | hb_apply ([c] (const Sequence &_) { _.collect_glyphs (c); }) ; } @@ -70,22 +71,31 @@ struct MultipleSubstFormat1 return_trace ((this+sequence[index]).apply (c)); } + template bool serialize (hb_serialize_context_t *c, - hb_sorted_array_t glyphs, - hb_array_t substitute_len_list, - hb_array_t substitute_glyphs_list) + Iterator it) { TRACE_SERIALIZE (this); + auto sequences = + + it + | hb_map (hb_second) + ; + auto glyphs = + + it + | hb_map_retains_sorting (hb_first) + ; if (unlikely (!c->extend_min (this))) return_trace (false); - if (unlikely (!sequence.serialize (c, glyphs.length))) return_trace (false); - for (unsigned int i = 0; i < glyphs.length; i++) + + if (unlikely (!sequence.serialize (c, sequences.length))) return_trace (false); + + for (auto& pair : hb_zip (sequences, sequence)) { - unsigned int substitute_len = substitute_len_list[i]; - if (unlikely (!sequence[i] - .serialize_serialize (c, substitute_glyphs_list.sub_array (0, substitute_len)))) + if (unlikely (!pair.second + .serialize_serialize (c, pair.first))) return_trace (false); - substitute_glyphs_list += substitute_len; } + return_trace (coverage.serialize_serialize (c, glyphs)); } diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubst.hh index 435d80fd31..48e208efb9 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubst.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubst.hh @@ -6,7 +6,7 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct ReverseChainSingleSubst { diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh index 7a79a9df25..a23e92028e 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/ReverseChainSingleSubstFormat1.hh @@ -5,7 +5,7 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct ReverseChainSingleSubstFormat1 { @@ -33,10 +33,10 @@ struct ReverseChainSingleSubstFormat1 TRACE_SANITIZE (this); if (!(coverage.sanitize (c, this) && backtrack.sanitize (c, this))) return_trace (false); - const Array16OfOffset16To &lookahead = StructAfter> (backtrack); + const auto &lookahead = StructAfter (backtrack); if (!lookahead.sanitize (c, this)) return_trace (false); - const Array16Of &substitute = StructAfter> (lookahead); + const auto &substitute = StructAfter (lookahead); return_trace (substitute.sanitize (c)); } @@ -45,7 +45,7 @@ struct ReverseChainSingleSubstFormat1 if (!(this+coverage).intersects (glyphs)) return false; - const Array16OfOffset16To &lookahead = StructAfter> (backtrack); + const auto &lookahead = StructAfter (backtrack); unsigned int count; @@ -69,8 +69,8 @@ struct ReverseChainSingleSubstFormat1 { if (!intersects (c->glyphs)) return; - const Array16OfOffset16To &lookahead = StructAfter> (backtrack); - const Array16Of &substitute = StructAfter> (lookahead); + const auto &lookahead = StructAfter (backtrack); + const auto &substitute = StructAfter (lookahead); + hb_zip (this+coverage, substitute) | hb_filter (c->parent_active_glyphs (), hb_first) @@ -91,12 +91,12 @@ struct ReverseChainSingleSubstFormat1 for (unsigned int i = 0; i < count; i++) if (unlikely (!(this+backtrack[i]).collect_coverage (c->before))) return; - const Array16OfOffset16To &lookahead = StructAfter> (backtrack); + const auto &lookahead = StructAfter (backtrack); count = lookahead.len; for (unsigned int i = 0; i < count; i++) if (unlikely (!(this+lookahead[i]).collect_coverage (c->after))) return; - const Array16Of &substitute = StructAfter> (lookahead); + const auto &substitute = StructAfter (lookahead); count = substitute.len; c->output->add_array (substitute.arrayZ, substitute.len); } @@ -115,8 +115,8 @@ struct ReverseChainSingleSubstFormat1 unsigned int index = (this+coverage).get_coverage (c->buffer->cur ().codepoint); if (likely (index == NOT_COVERED)) return_trace (false); - const Array16OfOffset16To &lookahead = StructAfter> (backtrack); - const Array16Of &substitute = StructAfter> (lookahead); + const auto &lookahead = StructAfter (backtrack); + const auto &substitute = StructAfter (lookahead); if (unlikely (index >= substitute.len)) return_trace (false); @@ -131,7 +131,23 @@ struct ReverseChainSingleSubstFormat1 c->buffer->idx + 1, &end_index)) { c->buffer->unsafe_to_break_from_outbuffer (start_index, end_index); + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "replacing glyph at %d (reverse chaining substitution)", + c->buffer->idx); + } + c->replace_glyph_inplace (substitute[index]); + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "replaced glyph at %d (reverse chaining substitution)", + c->buffer->idx); + } + /* Note: We DON'T decrease buffer->idx. The main loop does it * for us. This is useful for preventing surprises if someone * calls us through a Context lookup. */ @@ -206,8 +222,8 @@ struct ReverseChainSingleSubstFormat1 const hb_set_t &glyphset = *c->plan->glyphset_gsub (); const hb_map_t &glyph_map = *c->plan->glyph_map; - const Array16OfOffset16To &lookahead = StructAfter> (backtrack); - const Array16Of &substitute = StructAfter> (lookahead); + const auto &lookahead = StructAfter (backtrack); + const auto &substitute = StructAfter (lookahead); auto it = + hb_zip (this+coverage, substitute) diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Sequence.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Sequence.hh index ebd451e6ba..e2190078b8 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Sequence.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/Sequence.hh @@ -5,12 +5,13 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { +template struct Sequence { protected: - Array16Of + Array16Of substitute; /* String of GlyphIDs to substitute */ public: DEFINE_SIZE_ARRAY (2, substitute); @@ -39,17 +40,58 @@ struct Sequence * as a "multiplied" substitution. */ if (unlikely (count == 1)) { + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->sync_so_far (); + c->buffer->message (c->font, + "replacing glyph at %d (multiple substitution)", + c->buffer->idx); + } + c->replace_glyph (substitute.arrayZ[0]); + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "replaced glyph at %d (multiple subtitution)", + c->buffer->idx - 1); + } + return_trace (true); } /* Spec disallows this, but Uniscribe allows it. * https://github.com/harfbuzz/harfbuzz/issues/253 */ else if (unlikely (count == 0)) { + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->sync_so_far (); + c->buffer->message (c->font, + "deleting glyph at %d (multiple substitution)", + c->buffer->idx); + } + c->buffer->delete_glyph (); + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->sync_so_far (); + c->buffer->message (c->font, + "deleted glyph at %d (multiple substitution)", + c->buffer->idx); + } + return_trace (true); } + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->sync_so_far (); + c->buffer->message (c->font, + "multiplying glyph at %d", + c->buffer->idx); + } + unsigned int klass = _hb_glyph_info_is_ligature (&c->buffer->cur()) ? HB_OT_LAYOUT_GLYPH_PROPS_BASE_GLYPH : 0; unsigned lig_id = _hb_glyph_info_get_lig_id (&c->buffer->cur()); @@ -64,6 +106,26 @@ struct Sequence } c->buffer->skip_glyph (); + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->sync_so_far (); + + char buf[HB_MAX_CONTEXT_LENGTH * 16] = {0}; + char *p = buf; + + for (unsigned i = c->buffer->idx - count; i < c->buffer->idx; i++) + { + if (buf < p) + *p++ = ','; + snprintf (p, sizeof(buf) - (p - buf), "%u", i); + p += strlen(p); + } + + c->buffer->message (c->font, + "multiplied glyphs at %s", + buf); + } + return_trace (true); } diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubst.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubst.hh index 786428fe45..7da8103168 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubst.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubst.hh @@ -7,15 +7,19 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct SingleSubst { protected: union { - HBUINT16 format; /* Format identifier */ - SingleSubstFormat1 format1; - SingleSubstFormat2 format2; + HBUINT16 format; /* Format identifier */ + SingleSubstFormat1_3 format1; + SingleSubstFormat2_4 format2; +#ifndef HB_NO_BEYOND_64K + SingleSubstFormat1_3 format3; + SingleSubstFormat2_4 format4; +#endif } u; public: @@ -28,6 +32,10 @@ struct SingleSubst switch (u.format) { case 1: return_trace (c->dispatch (u.format1, std::forward (ds)...)); case 2: return_trace (c->dispatch (u.format2, std::forward (ds)...)); +#ifndef HB_NO_BEYOND_64K + case 3: return_trace (c->dispatch (u.format3, std::forward (ds)...)); + case 4: return_trace (c->dispatch (u.format4, std::forward (ds)...)); +#endif default:return_trace (c->default_return_value ()); } } @@ -45,11 +53,24 @@ struct SingleSubst if (glyphs) { format = 1; + hb_codepoint_t mask = 0xFFFFu; + +#ifndef HB_NO_BEYOND_64K + if (+ glyphs + | hb_map_retains_sorting (hb_first) + | hb_filter ([] (hb_codepoint_t gid) { return gid > 0xFFFFu; })) + { + format += 2; + mask = 0xFFFFFFu; + } +#endif + auto get_delta = [=] (hb_codepoint_pair_t _) - { return (unsigned) (_.second - _.first) & 0xFFFF; }; + { return (unsigned) (_.second - _.first) & mask; }; delta = get_delta (*glyphs); - if (!hb_all (++(+glyphs), delta, get_delta)) format = 2; + if (!hb_all (++(+glyphs), delta, get_delta)) format += 1; } + u.format = format; switch (u.format) { case 1: return_trace (u.format1.serialize (c, @@ -57,6 +78,13 @@ struct SingleSubst | hb_map_retains_sorting (hb_first), delta)); case 2: return_trace (u.format2.serialize (c, glyphs)); +#ifndef HB_NO_BEYOND_64K + case 3: return_trace (u.format3.serialize (c, + + glyphs + | hb_map_retains_sorting (hb_first), + delta)); + case 4: return_trace (u.format4.serialize (c, glyphs)); +#endif default:return_trace (false); } } diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat1.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat1.hh index 3c6b2954ce..1be21b98bc 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat1.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat1.hh @@ -5,20 +5,22 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { -struct SingleSubstFormat1 +template +struct SingleSubstFormat1_3 { protected: HBUINT16 format; /* Format identifier--format = 1 */ - Offset16To + typename Types::template OffsetTo coverage; /* Offset to Coverage table--from * beginning of Substitution table */ - HBUINT16 deltaGlyphID; /* Add to original GlyphID to get + typename Types::HBUINT + deltaGlyphID; /* Add to original GlyphID to get * substitute GlyphID, modulo 0x10000 */ public: - DEFINE_SIZE_STATIC (6); + DEFINE_SIZE_STATIC (2 + 2 * Types::size); bool sanitize (hb_sanitize_context_t *c) const { @@ -26,6 +28,9 @@ struct SingleSubstFormat1 return_trace (coverage.sanitize (c, this) && deltaGlyphID.sanitize (c)); } + hb_codepoint_t get_mask () const + { return (1 << (8 * Types::size)) - 1; } + bool intersects (const hb_set_t *glyphs) const { return (this+coverage).intersects (glyphs); } @@ -34,14 +39,33 @@ struct SingleSubstFormat1 void closure (hb_closure_context_t *c) const { - unsigned d = deltaGlyphID; + hb_codepoint_t d = deltaGlyphID; + hb_codepoint_t mask = get_mask (); - + hb_iter (this+coverage) - | hb_filter (c->parent_active_glyphs ()) - | hb_map ([d] (hb_codepoint_t g) { return (g + d) & 0xFFFFu; }) + /* Help fuzzer avoid this function as much. */ + unsigned pop = (this+coverage).get_population (); + if (pop >= mask) + return; + + hb_set_t intersection; + (this+coverage).intersect_set (c->parent_active_glyphs (), intersection); + + /* In degenerate fuzzer-found fonts, but not real fonts, + * this table can keep adding new glyphs in each round of closure. + * Refuse to close-over, if it maps glyph range to overlapping range. */ + hb_codepoint_t min_before = intersection.get_min (); + hb_codepoint_t max_before = intersection.get_max (); + hb_codepoint_t min_after = (min_before + d) & mask; + hb_codepoint_t max_after = (max_before + d) & mask; + if (intersection.get_population () == max_before - min_before + 1 && + ((min_before <= min_after && min_after <= max_before) || + (min_before <= max_after && max_after <= max_before))) + return; + + + hb_iter (intersection) + | hb_map ([d, mask] (hb_codepoint_t g) { return (g + d) & mask; }) | hb_sink (c->output) ; - } void closure_lookups (hb_closure_lookups_context_t *c) const {} @@ -49,9 +73,11 @@ struct SingleSubstFormat1 void collect_glyphs (hb_collect_glyphs_context_t *c) const { if (unlikely (!(this+coverage).collect_coverage (c->input))) return; - unsigned d = deltaGlyphID; + hb_codepoint_t d = deltaGlyphID; + hb_codepoint_t mask = get_mask (); + + hb_iter (this+coverage) - | hb_map ([d] (hb_codepoint_t g) { return (g + d) & 0xFFFFu; }) + | hb_map ([d, mask] (hb_codepoint_t g) { return (g + d) & mask; }) | hb_sink (c->output) ; } @@ -68,11 +94,28 @@ struct SingleSubstFormat1 unsigned int index = (this+coverage).get_coverage (glyph_id); if (likely (index == NOT_COVERED)) return_trace (false); - /* According to the Adobe Annotated OpenType Suite, result is always - * limited to 16bit. */ - glyph_id = (glyph_id + deltaGlyphID) & 0xFFFFu; + hb_codepoint_t d = deltaGlyphID; + hb_codepoint_t mask = get_mask (); + + glyph_id = (glyph_id + d) & mask; + + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->sync_so_far (); + c->buffer->message (c->font, + "replacing glyph at %d (single substitution)", + c->buffer->idx); + } + c->replace_glyph (glyph_id); + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "replaced glyph at %d (single substitution)", + c->buffer->idx - 1); + } + return_trace (true); } @@ -95,14 +138,17 @@ struct SingleSubstFormat1 const hb_set_t &glyphset = *c->plan->glyphset_gsub (); const hb_map_t &glyph_map = *c->plan->glyph_map; - hb_codepoint_t delta = deltaGlyphID; + hb_codepoint_t d = deltaGlyphID; + hb_codepoint_t mask = get_mask (); + + hb_set_t intersection; + (this+coverage).intersect_set (glyphset, intersection); auto it = - + hb_iter (this+coverage) - | hb_filter (glyphset) - | hb_map_retains_sorting ([&] (hb_codepoint_t g) { + + hb_iter (intersection) + | hb_map_retains_sorting ([d, mask] (hb_codepoint_t g) { return hb_codepoint_pair_t (g, - (g + delta) & 0xFFFF); }) + (g + d) & mask); }) | hb_filter (glyphset, hb_second) | hb_map_retains_sorting ([&] (hb_codepoint_pair_t p) -> hb_codepoint_pair_t { return hb_pair (glyph_map[p.first], glyph_map[p.second]); }) diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat2.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat2.hh index df75bb52bb..01df714525 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat2.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SingleSubstFormat2.hh @@ -5,21 +5,22 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { -struct SingleSubstFormat2 +template +struct SingleSubstFormat2_4 { protected: HBUINT16 format; /* Format identifier--format = 2 */ - Offset16To + typename Types::template OffsetTo coverage; /* Offset to Coverage table--from * beginning of Substitution table */ - Array16Of + Array16Of substitute; /* Array of substitute * GlyphIDs--ordered by Coverage Index */ public: - DEFINE_SIZE_ARRAY (6, substitute); + DEFINE_SIZE_ARRAY (4 + Types::size, substitute); bool sanitize (hb_sanitize_context_t *c) const { @@ -35,12 +36,27 @@ struct SingleSubstFormat2 void closure (hb_closure_context_t *c) const { - + hb_zip (this+coverage, substitute) - | hb_filter (c->parent_active_glyphs (), hb_first) + auto &cov = this+coverage; + auto &glyph_set = c->parent_active_glyphs (); + + if (substitute.len > glyph_set.get_population () * 4) + { + for (auto g : glyph_set) + { + unsigned i = cov.get_coverage (g); + if (i == NOT_COVERED || i >= substitute.len) + continue; + c->output->add (substitute.arrayZ[i]); + } + + return; + } + + + hb_zip (cov, substitute) + | hb_filter (glyph_set, hb_first) | hb_map (hb_second) | hb_sink (c->output) ; - } void closure_lookups (hb_closure_lookups_context_t *c) const {} @@ -67,8 +83,23 @@ struct SingleSubstFormat2 if (unlikely (index >= substitute.len)) return_trace (false); + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->sync_so_far (); + c->buffer->message (c->font, + "replacing glyph at %d (single substitution)", + c->buffer->idx); + } + c->replace_glyph (substitute[index]); + if (HB_BUFFER_MESSAGE_MORE && c->buffer->messaging ()) + { + c->buffer->message (c->font, + "replaced glyph at %d (single substitution)", + c->buffer->idx - 1); + } + return_trace (true); } @@ -103,7 +134,7 @@ struct SingleSubstFormat2 + hb_zip (this+coverage, substitute) | hb_filter (glyphset, hb_first) | hb_filter (glyphset, hb_second) - | hb_map_retains_sorting ([&] (hb_pair_t p) -> hb_codepoint_pair_t + | hb_map_retains_sorting ([&] (hb_pair_t p) -> hb_codepoint_pair_t { return hb_pair (glyph_map[p.first], glyph_map[p.second]); }) ; diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookup.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookup.hh index 3419b5a734..d49dcc0e0f 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookup.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookup.hh @@ -6,11 +6,11 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct SubstLookup : Lookup { - typedef SubstLookupSubTable SubTable; + using SubTable = SubstLookupSubTable; bool sanitize (hb_sanitize_context_t *c) const { return Lookup::sanitize (c); } @@ -25,7 +25,7 @@ struct SubstLookup : Lookup { unsigned int type = get_type (); if (unlikely (type == SubTable::Extension)) - return reinterpret_cast (get_subtable (0)).is_reverse (); + return get_subtable (0).u.extension.is_reverse (); return lookup_type_is_reverse (type); } @@ -73,8 +73,6 @@ struct SubstLookup : Lookup return hb_closure_lookups_context_t::default_return_value (); } - c->set_recurse_func (dispatch_closure_lookups_recurse_func); - hb_closure_lookups_context_t::return_t ret = dispatch (c); return ret; } @@ -100,12 +98,15 @@ struct SubstLookup : Lookup return dispatch (c); } - static inline bool apply_recurse_func (hb_ot_apply_context_t *c, unsigned int lookup_index); - + template bool serialize_single (hb_serialize_context_t *c, uint32_t lookup_props, - hb_sorted_array_t glyphs, - hb_array_t substitutes) + Glyphs glyphs, + Substitutes substitutes) { TRACE_SERIALIZE (this); if (unlikely (!Lookup::serialize (c, SubTable::Single, lookup_props, 1))) return_trace (false); @@ -118,19 +119,16 @@ struct SubstLookup : Lookup return_trace (false); } - bool serialize_multiple (hb_serialize_context_t *c, - uint32_t lookup_props, - hb_sorted_array_t glyphs, - hb_array_t substitute_len_list, - hb_array_t substitute_glyphs_list) + template + bool serialize (hb_serialize_context_t *c, + uint32_t lookup_props, + Iterator it) { TRACE_SERIALIZE (this); if (unlikely (!Lookup::serialize (c, SubTable::Multiple, lookup_props, 1))) return_trace (false); if (c->push ()->u.multiple. - serialize (c, - glyphs, - substitute_len_list, - substitute_glyphs_list)) + serialize (c, it)) { c->add_link (get_subtables ()[0], c->pop_pack ()); return_trace (true); @@ -206,8 +204,6 @@ struct SubstLookup : Lookup return ret; } - HB_INTERNAL static hb_closure_lookups_context_t::return_t dispatch_closure_lookups_recurse_func (hb_closure_lookups_context_t *c, unsigned lookup_index); - template typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const { return Lookup::dispatch (c, std::forward (ds)...); } diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookupSubTable.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookupSubTable.hh index 53e963e2a2..a525fba039 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookupSubTable.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GSUB/SubstLookupSubTable.hh @@ -13,7 +13,7 @@ namespace OT { namespace Layout { -namespace GSUB { +namespace GSUB_impl { struct SubstLookupSubTable { diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/types.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/types.hh new file mode 100644 index 0000000000..6a43403e94 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/types.hh @@ -0,0 +1,66 @@ +/* + * Copyright © 2007,2008,2009 Red Hat, Inc. + * Copyright © 2010,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod, Garret Rieger + */ + +#ifndef OT_LAYOUT_TYPES_HH +#define OT_LAYOUT_TYPES_HH + +namespace OT { +namespace Layout { + +struct SmallTypes { + static constexpr unsigned size = 2; + using large_int = uint32_t; + using HBUINT = HBUINT16; + using HBGlyphID = HBGlyphID16; + using Offset = Offset16; + template + using OffsetTo = OT::Offset16To; + template + using ArrayOf = OT::Array16Of; + template + using SortedArrayOf = OT::SortedArray16Of; +}; + +struct MediumTypes { + static constexpr unsigned size = 3; + using large_int = uint64_t; + using HBUINT = HBUINT24; + using HBGlyphID = HBGlyphID24; + using Offset = Offset24; + template + using OffsetTo = OT::Offset24To; + template + using ArrayOf = OT::Array24Of; + template + using SortedArrayOf = OT::SortedArray24Of; +}; + +} +} + +#endif /* OT_LAYOUT_TYPES_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/CompositeGlyph.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/CompositeGlyph.hh new file mode 100644 index 0000000000..edf8cd8797 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/CompositeGlyph.hh @@ -0,0 +1,369 @@ +#ifndef OT_GLYF_COMPOSITEGLYPH_HH +#define OT_GLYF_COMPOSITEGLYPH_HH + + +#include "../../hb-open-type.hh" +#include "composite-iter.hh" + + +namespace OT { +namespace glyf_impl { + + +struct CompositeGlyphRecord +{ + protected: + enum composite_glyph_flag_t + { + ARG_1_AND_2_ARE_WORDS = 0x0001, + ARGS_ARE_XY_VALUES = 0x0002, + ROUND_XY_TO_GRID = 0x0004, + WE_HAVE_A_SCALE = 0x0008, + MORE_COMPONENTS = 0x0020, + WE_HAVE_AN_X_AND_Y_SCALE = 0x0040, + WE_HAVE_A_TWO_BY_TWO = 0x0080, + WE_HAVE_INSTRUCTIONS = 0x0100, + USE_MY_METRICS = 0x0200, + OVERLAP_COMPOUND = 0x0400, + SCALED_COMPONENT_OFFSET = 0x0800, + UNSCALED_COMPONENT_OFFSET = 0x1000, +#ifndef HB_NO_BEYOND_64K + GID_IS_24BIT = 0x2000 +#endif + }; + + public: + unsigned int get_size () const + { + unsigned int size = min_size; + /* glyphIndex is 24bit instead of 16bit */ +#ifndef HB_NO_BEYOND_64K + if (flags & GID_IS_24BIT) size += HBGlyphID24::static_size - HBGlyphID16::static_size; +#endif + /* arg1 and 2 are int16 */ + if (flags & ARG_1_AND_2_ARE_WORDS) size += 4; + /* arg1 and 2 are int8 */ + else size += 2; + + /* One x 16 bit (scale) */ + if (flags & WE_HAVE_A_SCALE) size += 2; + /* Two x 16 bit (xscale, yscale) */ + else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) size += 4; + /* Four x 16 bit (xscale, scale01, scale10, yscale) */ + else if (flags & WE_HAVE_A_TWO_BY_TWO) size += 8; + + return size; + } + + void drop_instructions_flag () { flags = (uint16_t) flags & ~WE_HAVE_INSTRUCTIONS; } + void set_overlaps_flag () + { + flags = (uint16_t) flags | OVERLAP_COMPOUND; + } + + bool has_instructions () const { return flags & WE_HAVE_INSTRUCTIONS; } + + bool has_more () const { return flags & MORE_COMPONENTS; } + bool is_use_my_metrics () const { return flags & USE_MY_METRICS; } + bool is_anchored () const { return !(flags & ARGS_ARE_XY_VALUES); } + void get_anchor_points (unsigned int &point1, unsigned int &point2) const + { + const auto *p = &StructAfter (flags); +#ifndef HB_NO_BEYOND_64K + if (flags & GID_IS_24BIT) + p += HBGlyphID24::static_size; + else +#endif + p += HBGlyphID16::static_size; + if (flags & ARG_1_AND_2_ARE_WORDS) + { + point1 = ((const HBUINT16 *) p)[0]; + point2 = ((const HBUINT16 *) p)[1]; + } + else + { + point1 = p[0]; + point2 = p[1]; + } + } + + void transform_points (contour_point_vector_t &points) const + { + float matrix[4]; + contour_point_t trans; + if (get_transformation (matrix, trans)) + { + if (scaled_offsets ()) + { + points.translate (trans); + points.transform (matrix); + } + else + { + points.transform (matrix); + points.translate (trans); + } + } + } + + unsigned compile_with_deltas (const contour_point_t &p_delta, + char *out) const + { + const HBINT8 *p = &StructAfter (flags); +#ifndef HB_NO_BEYOND_64K + if (flags & GID_IS_24BIT) + p += HBGlyphID24::static_size; + else +#endif + p += HBGlyphID16::static_size; + + unsigned len = get_size (); + unsigned len_before_val = (const char *)p - (const char *)this; + if (flags & ARG_1_AND_2_ARE_WORDS) + { + // no overflow, copy and update value with deltas + hb_memcpy (out, this, len); + + const HBINT16 *px = reinterpret_cast (p); + HBINT16 *o = reinterpret_cast (out + len_before_val); + o[0] = px[0] + roundf (p_delta.x); + o[1] = px[1] + roundf (p_delta.y); + } + else + { + int new_x = p[0] + roundf (p_delta.x); + int new_y = p[1] + roundf (p_delta.y); + if (new_x <= 127 && new_x >= -128 && + new_y <= 127 && new_y >= -128) + { + hb_memcpy (out, this, len); + HBINT8 *o = reinterpret_cast (out + len_before_val); + o[0] = new_x; + o[1] = new_y; + } + else + { + // int8 overflows after deltas applied + hb_memcpy (out, this, len_before_val); + + //update flags + CompositeGlyphRecord *o = reinterpret_cast (out); + o->flags = flags | ARG_1_AND_2_ARE_WORDS; + out += len_before_val; + + HBINT16 new_value; + new_value = new_x; + hb_memcpy (out, &new_value, HBINT16::static_size); + out += HBINT16::static_size; + + new_value = new_y; + hb_memcpy (out, &new_value, HBINT16::static_size); + out += HBINT16::static_size; + + hb_memcpy (out, p+2, len - len_before_val - 2); + len += 2; + } + } + return len; + } + + protected: + bool scaled_offsets () const + { return (flags & (SCALED_COMPONENT_OFFSET | UNSCALED_COMPONENT_OFFSET)) == SCALED_COMPONENT_OFFSET; } + + bool get_transformation (float (&matrix)[4], contour_point_t &trans) const + { + matrix[0] = matrix[3] = 1.f; + matrix[1] = matrix[2] = 0.f; + + const auto *p = &StructAfter (flags); +#ifndef HB_NO_BEYOND_64K + if (flags & GID_IS_24BIT) + p += HBGlyphID24::static_size; + else +#endif + p += HBGlyphID16::static_size; + int tx, ty; + if (flags & ARG_1_AND_2_ARE_WORDS) + { + tx = *(const HBINT16 *) p; + p += HBINT16::static_size; + ty = *(const HBINT16 *) p; + p += HBINT16::static_size; + } + else + { + tx = *p++; + ty = *p++; + } + if (is_anchored ()) tx = ty = 0; + + trans.init ((float) tx, (float) ty); + + { + const F2DOT14 *points = (const F2DOT14 *) p; + if (flags & WE_HAVE_A_SCALE) + { + matrix[0] = matrix[3] = points[0].to_float (); + return true; + } + else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) + { + matrix[0] = points[0].to_float (); + matrix[3] = points[1].to_float (); + return true; + } + else if (flags & WE_HAVE_A_TWO_BY_TWO) + { + matrix[0] = points[0].to_float (); + matrix[1] = points[1].to_float (); + matrix[2] = points[2].to_float (); + matrix[3] = points[3].to_float (); + return true; + } + } + return tx || ty; + } + + public: + hb_codepoint_t get_gid () const + { +#ifndef HB_NO_BEYOND_64K + if (flags & GID_IS_24BIT) + return StructAfter (flags); + else +#endif + return StructAfter (flags); + } + void set_gid (hb_codepoint_t gid) + { +#ifndef HB_NO_BEYOND_64K + if (flags & GID_IS_24BIT) + StructAfter (flags) = gid; + else +#endif + /* TODO assert? */ + StructAfter (flags) = gid; + } + + protected: + HBUINT16 flags; + HBUINT24 pad; + public: + DEFINE_SIZE_MIN (4); +}; + +using composite_iter_t = composite_iter_tmpl; + +struct CompositeGlyph +{ + const GlyphHeader &header; + hb_bytes_t bytes; + CompositeGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) : + header (header_), bytes (bytes_) {} + + composite_iter_t iter () const + { return composite_iter_t (bytes, &StructAfter (header)); } + + unsigned int instructions_length (hb_bytes_t bytes) const + { + unsigned int start = bytes.length; + unsigned int end = bytes.length; + const CompositeGlyphRecord *last = nullptr; + for (auto &item : iter ()) + last = &item; + if (unlikely (!last)) return 0; + + if (last->has_instructions ()) + start = (char *) last - &bytes + last->get_size (); + if (unlikely (start > end)) return 0; + return end - start; + } + + /* Trimming for composites not implemented. + * If removing hints it falls out of that. */ + const hb_bytes_t trim_padding () const { return bytes; } + + void drop_hints () + { + for (const auto &_ : iter ()) + const_cast (_).drop_instructions_flag (); + } + + /* Chop instructions off the end */ + void drop_hints_bytes (hb_bytes_t &dest_start) const + { dest_start = bytes.sub_array (0, bytes.length - instructions_length (bytes)); } + + void set_overlaps_flag () + { + CompositeGlyphRecord& glyph_chain = const_cast ( + StructAfter (header)); + if (!bytes.check_range(&glyph_chain, CompositeGlyphRecord::min_size)) + return; + glyph_chain.set_overlaps_flag (); + } + + bool compile_bytes_with_deltas (const hb_bytes_t &source_bytes, + const contour_point_vector_t &deltas, + hb_bytes_t &dest_bytes /* OUT */) + { + if (source_bytes.length <= GlyphHeader::static_size || + header.numberOfContours != -1) + { + dest_bytes = hb_bytes_t (); + return true; + } + + unsigned source_len = source_bytes.length - GlyphHeader::static_size; + + /* try to allocate more memories than source glyph bytes + * in case that there might be an overflow for int8 value + * and we would need to use int16 instead */ + char *o = (char *) hb_calloc (source_len + source_len/2, sizeof (char)); + if (unlikely (!o)) return false; + + const CompositeGlyphRecord *c = reinterpret_cast (source_bytes.arrayZ + GlyphHeader::static_size); + auto it = composite_iter_t (hb_bytes_t ((const char *)c, source_len), c); + + char *p = o; + unsigned i = 0, source_comp_len = 0; + for (const auto &component : it) + { + /* last 4 points in deltas are phantom points and should not be included */ + if (i >= deltas.length - 4) return false; + + unsigned comp_len = component.get_size (); + if (component.is_anchored ()) + { + hb_memcpy (p, &component, comp_len); + p += comp_len; + } + else + { + unsigned new_len = component.compile_with_deltas (deltas[i], p); + p += new_len; + } + i++; + source_comp_len += comp_len; + } + + //copy instructions if any + if (source_len > source_comp_len) + { + unsigned instr_len = source_len - source_comp_len; + hb_memcpy (p, (const char *)c + source_comp_len, instr_len); + p += instr_len; + } + + unsigned len = p - o; + dest_bytes = hb_bytes_t (o, len); + return true; + } +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + + +#endif /* OT_GLYF_COMPOSITEGLYPH_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/Glyph.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/Glyph.hh new file mode 100644 index 0000000000..b7215b0170 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/Glyph.hh @@ -0,0 +1,463 @@ +#ifndef OT_GLYF_GLYPH_HH +#define OT_GLYF_GLYPH_HH + + +#include "../../hb-open-type.hh" + +#include "GlyphHeader.hh" +#include "SimpleGlyph.hh" +#include "CompositeGlyph.hh" +#include "VarCompositeGlyph.hh" +#include "coord-setter.hh" + + +namespace OT { + +struct glyf_accelerator_t; + +namespace glyf_impl { + + +#ifndef HB_GLYF_MAX_POINTS +#define HB_GLYF_MAX_POINTS 10000 +#endif + + +enum phantom_point_index_t +{ + PHANTOM_LEFT = 0, + PHANTOM_RIGHT = 1, + PHANTOM_TOP = 2, + PHANTOM_BOTTOM = 3, + PHANTOM_COUNT = 4 +}; + +struct Glyph +{ + enum glyph_type_t { EMPTY, SIMPLE, COMPOSITE, VAR_COMPOSITE }; + + public: + composite_iter_t get_composite_iterator () const + { + if (type != COMPOSITE) return composite_iter_t (); + return CompositeGlyph (*header, bytes).iter (); + } + var_composite_iter_t get_var_composite_iterator () const + { + if (type != VAR_COMPOSITE) return var_composite_iter_t (); + return VarCompositeGlyph (*header, bytes).iter (); + } + + const hb_bytes_t trim_padding () const + { + switch (type) { + case COMPOSITE: return CompositeGlyph (*header, bytes).trim_padding (); + case SIMPLE: return SimpleGlyph (*header, bytes).trim_padding (); + default: return bytes; + } + } + + void drop_hints () + { + switch (type) { + case COMPOSITE: CompositeGlyph (*header, bytes).drop_hints (); return; + case SIMPLE: SimpleGlyph (*header, bytes).drop_hints (); return; + default: return; + } + } + + void set_overlaps_flag () + { + switch (type) { + case COMPOSITE: CompositeGlyph (*header, bytes).set_overlaps_flag (); return; + case SIMPLE: SimpleGlyph (*header, bytes).set_overlaps_flag (); return; + default: return; + } + } + + void drop_hints_bytes (hb_bytes_t &dest_start, hb_bytes_t &dest_end) const + { + switch (type) { + case COMPOSITE: CompositeGlyph (*header, bytes).drop_hints_bytes (dest_start); return; + case SIMPLE: SimpleGlyph (*header, bytes).drop_hints_bytes (dest_start, dest_end); return; + default: return; + } + } + + void update_mtx (const hb_subset_plan_t *plan, + int xMin, int yMax, + const contour_point_vector_t &all_points) const + { + hb_codepoint_t new_gid = 0; + if (!plan->new_gid_for_old_gid (gid, &new_gid)) + return; + + unsigned len = all_points.length; + float leftSideX = all_points[len - 4].x; + float rightSideX = all_points[len - 3].x; + float topSideY = all_points[len - 2].y; + float bottomSideY = all_points[len - 1].y; + + int hori_aw = roundf (rightSideX - leftSideX); + if (hori_aw < 0) hori_aw = 0; + int lsb = roundf (xMin - leftSideX); + plan->hmtx_map->set (new_gid, hb_pair (hori_aw, lsb)); + + int vert_aw = roundf (topSideY - bottomSideY); + if (vert_aw < 0) vert_aw = 0; + int tsb = roundf (topSideY - yMax); + plan->vmtx_map->set (new_gid, hb_pair (vert_aw, tsb)); + } + + bool compile_header_bytes (const hb_subset_plan_t *plan, + const contour_point_vector_t &all_points, + hb_bytes_t &dest_bytes /* OUT */) const + { + GlyphHeader *glyph_header = nullptr; + if (type != EMPTY && all_points.length > 4) + { + glyph_header = (GlyphHeader *) hb_calloc (1, GlyphHeader::static_size); + if (unlikely (!glyph_header)) return false; + } + + float xMin = 0, xMax = 0; + float yMin = 0, yMax = 0; + if (all_points.length > 4) + { + xMin = xMax = all_points[0].x; + yMin = yMax = all_points[0].y; + } + + for (unsigned i = 1; i < all_points.length - 4; i++) + { + float x = all_points[i].x; + float y = all_points[i].y; + xMin = hb_min (xMin, x); + xMax = hb_max (xMax, x); + yMin = hb_min (yMin, y); + yMax = hb_max (yMax, y); + } + + update_mtx (plan, roundf (xMin), roundf (yMax), all_points); + + /*for empty glyphs: all_points only include phantom points. + *just update metrics and then return */ + if (!glyph_header) + return true; + + glyph_header->numberOfContours = header->numberOfContours; + glyph_header->xMin = roundf (xMin); + glyph_header->yMin = roundf (yMin); + glyph_header->xMax = roundf (xMax); + glyph_header->yMax = roundf (yMax); + + dest_bytes = hb_bytes_t ((const char *)glyph_header, GlyphHeader::static_size); + return true; + } + + bool compile_bytes_with_deltas (const hb_subset_plan_t *plan, + hb_font_t *font, + const glyf_accelerator_t &glyf, + hb_bytes_t &dest_start, /* IN/OUT */ + hb_bytes_t &dest_end /* OUT */) + { + contour_point_vector_t all_points, deltas; + if (!get_points (font, glyf, all_points, &deltas, false, false)) + return false; + + // .notdef, set type to empty so we only update metrics and don't compile bytes for + // it + if (gid == 0 && + !(plan->flags & HB_SUBSET_FLAGS_NOTDEF_OUTLINE)) + type = EMPTY; + + switch (type) { + case COMPOSITE: + if (!CompositeGlyph (*header, bytes).compile_bytes_with_deltas (dest_start, + deltas, + dest_end)) + return false; + break; + case SIMPLE: + if (!SimpleGlyph (*header, bytes).compile_bytes_with_deltas (all_points, + plan->flags & HB_SUBSET_FLAGS_NO_HINTING, + dest_end)) + return false; + break; + default: + /* set empty bytes for empty glyph + * do not use source glyph's pointers */ + dest_start = hb_bytes_t (); + dest_end = hb_bytes_t (); + break; + } + + if (!compile_header_bytes (plan, all_points, dest_start)) + { + dest_end.fini (); + return false; + } + return true; + } + + + /* Note: Recursively calls itself. + * all_points includes phantom points + */ + template + bool get_points (hb_font_t *font, const accelerator_t &glyf_accelerator, + contour_point_vector_t &all_points /* OUT */, + contour_point_vector_t *deltas = nullptr, /* OUT */ + bool shift_points_hori = true, + bool use_my_metrics = true, + bool phantom_only = false, + hb_array_t coords = hb_array_t (), + unsigned int depth = 0) const + { + if (unlikely (depth > HB_MAX_NESTING_LEVEL)) return false; + + if (!coords) + coords = hb_array (font->coords, font->num_coords); + + contour_point_vector_t stack_points; + bool inplace = type == SIMPLE && all_points.length == 0; + /* Load into all_points if it's empty, as an optimization. */ + contour_point_vector_t &points = inplace ? all_points : stack_points; + + switch (type) { + case SIMPLE: + if (unlikely (!SimpleGlyph (*header, bytes).get_contour_points (points, phantom_only))) + return false; + break; + case COMPOSITE: + { + /* pseudo component points for each component in composite glyph */ + unsigned num_points = hb_len (CompositeGlyph (*header, bytes).iter ()); + if (unlikely (!points.resize (num_points))) return false; + break; + } +#ifndef HB_NO_VAR_COMPOSITES + case VAR_COMPOSITE: + { + for (auto &item : get_var_composite_iterator ()) + if (unlikely (!item.get_points (points))) return false; + } +#endif + default: + break; + } + + /* Init phantom points */ + if (unlikely (!points.resize (points.length + PHANTOM_COUNT))) return false; + hb_array_t phantoms = points.as_array ().sub_array (points.length - PHANTOM_COUNT, PHANTOM_COUNT); + { + int lsb = 0; + int h_delta = glyf_accelerator.hmtx->get_leading_bearing_without_var_unscaled (gid, &lsb) ? + (int) header->xMin - lsb : 0; + HB_UNUSED int tsb = 0; + int v_orig = (int) header->yMax + +#ifndef HB_NO_VERTICAL + ((void) glyf_accelerator.vmtx->get_leading_bearing_without_var_unscaled (gid, &tsb), tsb) +#else + 0 +#endif + ; + unsigned h_adv = glyf_accelerator.hmtx->get_advance_without_var_unscaled (gid); + unsigned v_adv = +#ifndef HB_NO_VERTICAL + glyf_accelerator.vmtx->get_advance_without_var_unscaled (gid) +#else + - font->face->get_upem () +#endif + ; + phantoms[PHANTOM_LEFT].x = h_delta; + phantoms[PHANTOM_RIGHT].x = h_adv + h_delta; + phantoms[PHANTOM_TOP].y = v_orig; + phantoms[PHANTOM_BOTTOM].y = v_orig - (int) v_adv; + } + + if (deltas != nullptr && depth == 0 && type == COMPOSITE) + { + if (unlikely (!deltas->resize (points.length))) return false; + deltas->copy_vector (points); + } + +#ifndef HB_NO_VAR + glyf_accelerator.gvar->apply_deltas_to_points (gid, + coords, + points.as_array ()); +#endif + + // mainly used by CompositeGlyph calculating new X/Y offset value so no need to extend it + // with child glyphs' points + if (deltas != nullptr && depth == 0 && type == COMPOSITE) + { + for (unsigned i = 0 ; i < points.length; i++) + { + deltas->arrayZ[i].x = points.arrayZ[i].x - deltas->arrayZ[i].x; + deltas->arrayZ[i].y = points.arrayZ[i].y - deltas->arrayZ[i].y; + } + } + + switch (type) { + case SIMPLE: + if (!inplace) + all_points.extend (points.as_array ()); + break; + case COMPOSITE: + { + contour_point_vector_t comp_points; + unsigned int comp_index = 0; + for (auto &item : get_composite_iterator ()) + { + comp_points.reset (); + + if (unlikely (!glyf_accelerator.glyph_for_gid (item.get_gid ()) + .get_points (font, + glyf_accelerator, + comp_points, + deltas, + shift_points_hori, + use_my_metrics, + phantom_only, + coords, + depth + 1))) + return false; + + /* Copy phantom points from component if USE_MY_METRICS flag set */ + if (use_my_metrics && item.is_use_my_metrics ()) + for (unsigned int i = 0; i < PHANTOM_COUNT; i++) + phantoms[i] = comp_points[comp_points.length - PHANTOM_COUNT + i]; + + /* Apply component transformation & translation */ + item.transform_points (comp_points); + + /* Apply translation from gvar */ + comp_points.translate (points[comp_index]); + + if (item.is_anchored ()) + { + unsigned int p1, p2; + item.get_anchor_points (p1, p2); + if (likely (p1 < all_points.length && p2 < comp_points.length)) + { + contour_point_t delta; + delta.init (all_points[p1].x - comp_points[p2].x, + all_points[p1].y - comp_points[p2].y); + + comp_points.translate (delta); + } + } + + all_points.extend (comp_points.as_array ().sub_array (0, comp_points.length - PHANTOM_COUNT)); + + if (all_points.length > HB_GLYF_MAX_POINTS) + return false; + + comp_index++; + } + + all_points.extend (phantoms); + } break; +#ifndef HB_NO_VAR_COMPOSITES + case VAR_COMPOSITE: + { + contour_point_vector_t comp_points; + hb_array_t points_left = points.as_array (); + for (auto &item : get_var_composite_iterator ()) + { + hb_array_t record_points = points_left.sub_array (0, item.get_num_points ()); + + comp_points.reset (); + + coord_setter_t coord_setter (coords); + item.set_variations (coord_setter, record_points); + + if (unlikely (!glyf_accelerator.glyph_for_gid (item.get_gid ()) + .get_points (font, + glyf_accelerator, + comp_points, + deltas, + shift_points_hori, + use_my_metrics, + phantom_only, + coord_setter.get_coords (), + depth + 1))) + return false; + + /* Apply component transformation */ + item.transform_points (record_points, comp_points); + + /* Copy phantom points from component if USE_MY_METRICS flag set */ + if (use_my_metrics && item.is_use_my_metrics ()) + for (unsigned int i = 0; i < PHANTOM_COUNT; i++) + phantoms[i] = comp_points[comp_points.length - PHANTOM_COUNT + i]; + + all_points.extend (comp_points.as_array ().sub_array (0, comp_points.length - PHANTOM_COUNT)); + + if (all_points.length > HB_GLYF_MAX_POINTS) + return false; + + points_left += item.get_num_points (); + } + all_points.extend (phantoms); + } break; +#endif + default: + all_points.extend (phantoms); + break; + } + + if (depth == 0 && shift_points_hori) /* Apply at top level */ + { + /* Undocumented rasterizer behavior: + * Shift points horizontally by the updated left side bearing + */ + contour_point_t delta; + delta.init (-phantoms[PHANTOM_LEFT].x, 0.f); + if (delta.x) all_points.translate (delta); + } + + return !all_points.in_error (); + } + + bool get_extents_without_var_scaled (hb_font_t *font, const glyf_accelerator_t &glyf_accelerator, + hb_glyph_extents_t *extents) const + { + if (type == EMPTY) return true; /* Empty glyph; zero extents. */ + return header->get_extents_without_var_scaled (font, glyf_accelerator, gid, extents); + } + + hb_bytes_t get_bytes () const { return bytes; } + + Glyph () : bytes (), + header (bytes.as ()), + gid (-1), + type(EMPTY) + {} + + Glyph (hb_bytes_t bytes_, + hb_codepoint_t gid_ = (unsigned) -1) : bytes (bytes_), + header (bytes.as ()), + gid (gid_) + { + int num_contours = header->numberOfContours; + if (unlikely (num_contours == 0)) type = EMPTY; + else if (num_contours > 0) type = SIMPLE; + else if (num_contours == -2) type = VAR_COMPOSITE; + else type = COMPOSITE; /* negative numbers */ + } + + protected: + hb_bytes_t bytes; + const GlyphHeader *header; + hb_codepoint_t gid; + unsigned type; +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + + +#endif /* OT_GLYF_GLYPH_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh new file mode 100644 index 0000000000..e4a9168b79 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh @@ -0,0 +1,50 @@ +#ifndef OT_GLYF_GLYPHHEADER_HH +#define OT_GLYF_GLYPHHEADER_HH + + +#include "../../hb-open-type.hh" + + +namespace OT { +namespace glyf_impl { + + +struct GlyphHeader +{ + bool has_data () const { return numberOfContours; } + + template + bool get_extents_without_var_scaled (hb_font_t *font, const accelerator_t &glyf_accelerator, + hb_codepoint_t gid, hb_glyph_extents_t *extents) const + { + /* Undocumented rasterizer behavior: shift glyph to the left by (lsb - xMin), i.e., xMin = lsb */ + /* extents->x_bearing = hb_min (glyph_header.xMin, glyph_header.xMax); */ + int lsb = hb_min (xMin, xMax); + (void) glyf_accelerator.hmtx->get_leading_bearing_without_var_unscaled (gid, &lsb); + extents->x_bearing = font->em_scale_x (lsb); + extents->y_bearing = font->em_scale_y (hb_max (yMin, yMax)); + extents->width = font->em_scale_x (hb_max (xMin, xMax) - hb_min (xMin, xMax)); + extents->height = font->em_scale_y (hb_min (yMin, yMax) - hb_max (yMin, yMax)); + + return true; + } + + HBINT16 numberOfContours; + /* If the number of contours is + * greater than or equal to zero, + * this is a simple glyph; if negative, + * this is a composite glyph. */ + FWORD xMin; /* Minimum x for coordinate data. */ + FWORD yMin; /* Minimum y for coordinate data. */ + FWORD xMax; /* Maximum x for coordinate data. */ + FWORD yMax; /* Maximum y for coordinate data. */ + public: + DEFINE_SIZE_STATIC (10); +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + + +#endif /* OT_GLYF_GLYPHHEADER_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/SimpleGlyph.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/SimpleGlyph.hh new file mode 100644 index 0000000000..2b4aa99d25 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/SimpleGlyph.hh @@ -0,0 +1,339 @@ +#ifndef OT_GLYF_SIMPLEGLYPH_HH +#define OT_GLYF_SIMPLEGLYPH_HH + + +#include "../../hb-open-type.hh" + + +namespace OT { +namespace glyf_impl { + + +struct SimpleGlyph +{ + enum simple_glyph_flag_t + { + FLAG_ON_CURVE = 0x01, + FLAG_X_SHORT = 0x02, + FLAG_Y_SHORT = 0x04, + FLAG_REPEAT = 0x08, + FLAG_X_SAME = 0x10, + FLAG_Y_SAME = 0x20, + FLAG_OVERLAP_SIMPLE = 0x40, + FLAG_RESERVED2 = 0x80 + }; + + const GlyphHeader &header; + hb_bytes_t bytes; + SimpleGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) : + header (header_), bytes (bytes_) {} + + unsigned int instruction_len_offset () const + { return GlyphHeader::static_size + 2 * header.numberOfContours; } + + unsigned int length (unsigned int instruction_len) const + { return instruction_len_offset () + 2 + instruction_len; } + + unsigned int instructions_length () const + { + unsigned int instruction_length_offset = instruction_len_offset (); + if (unlikely (instruction_length_offset + 2 > bytes.length)) return 0; + + const HBUINT16 &instructionLength = StructAtOffset (&bytes, instruction_length_offset); + /* Out of bounds of the current glyph */ + if (unlikely (length (instructionLength) > bytes.length)) return 0; + return instructionLength; + } + + const hb_bytes_t trim_padding () const + { + /* based on FontTools _g_l_y_f.py::trim */ + const uint8_t *glyph = (uint8_t*) bytes.arrayZ; + const uint8_t *glyph_end = glyph + bytes.length; + /* simple glyph w/contours, possibly trimmable */ + glyph += instruction_len_offset (); + + if (unlikely (glyph + 2 >= glyph_end)) return hb_bytes_t (); + unsigned int num_coordinates = StructAtOffset (glyph - 2, 0) + 1; + unsigned int num_instructions = StructAtOffset (glyph, 0); + + glyph += 2 + num_instructions; + + unsigned int coord_bytes = 0; + unsigned int coords_with_flags = 0; + while (glyph < glyph_end) + { + uint8_t flag = *glyph; + glyph++; + + unsigned int repeat = 1; + if (flag & FLAG_REPEAT) + { + if (unlikely (glyph >= glyph_end)) return hb_bytes_t (); + repeat = *glyph + 1; + glyph++; + } + + unsigned int xBytes, yBytes; + xBytes = yBytes = 0; + if (flag & FLAG_X_SHORT) xBytes = 1; + else if ((flag & FLAG_X_SAME) == 0) xBytes = 2; + + if (flag & FLAG_Y_SHORT) yBytes = 1; + else if ((flag & FLAG_Y_SAME) == 0) yBytes = 2; + + coord_bytes += (xBytes + yBytes) * repeat; + coords_with_flags += repeat; + if (coords_with_flags >= num_coordinates) break; + } + + if (unlikely (coords_with_flags != num_coordinates)) return hb_bytes_t (); + return bytes.sub_array (0, bytes.length + coord_bytes - (glyph_end - glyph)); + } + + /* zero instruction length */ + void drop_hints () + { + GlyphHeader &glyph_header = const_cast (header); + (HBUINT16 &) StructAtOffset (&glyph_header, instruction_len_offset ()) = 0; + } + + void drop_hints_bytes (hb_bytes_t &dest_start, hb_bytes_t &dest_end) const + { + unsigned int instructions_len = instructions_length (); + unsigned int glyph_length = length (instructions_len); + dest_start = bytes.sub_array (0, glyph_length - instructions_len); + dest_end = bytes.sub_array (glyph_length, bytes.length - glyph_length); + } + + void set_overlaps_flag () + { + if (unlikely (!header.numberOfContours)) return; + + unsigned flags_offset = length (instructions_length ()); + if (unlikely (flags_offset + 1 > bytes.length)) return; + + HBUINT8 &first_flag = (HBUINT8 &) StructAtOffset (&bytes, flags_offset); + first_flag = (uint8_t) first_flag | FLAG_OVERLAP_SIMPLE; + } + + static bool read_flags (const HBUINT8 *&p /* IN/OUT */, + contour_point_vector_t &points_ /* IN/OUT */, + const HBUINT8 *end) + { + unsigned count = points_.length; + for (unsigned int i = 0; i < count;) + { + if (unlikely (p + 1 > end)) return false; + uint8_t flag = *p++; + points_.arrayZ[i++].flag = flag; + if (flag & FLAG_REPEAT) + { + if (unlikely (p + 1 > end)) return false; + unsigned int repeat_count = *p++; + unsigned stop = hb_min (i + repeat_count, count); + for (; i < stop; i++) + points_.arrayZ[i].flag = flag; + } + } + return true; + } + + static bool read_points (const HBUINT8 *&p /* IN/OUT */, + contour_point_vector_t &points_ /* IN/OUT */, + const HBUINT8 *end, + float contour_point_t::*m, + const simple_glyph_flag_t short_flag, + const simple_glyph_flag_t same_flag) + { + int v = 0; + + unsigned count = points_.length; + for (unsigned i = 0; i < count; i++) + { + unsigned flag = points_[i].flag; + if (flag & short_flag) + { + if (unlikely (p + 1 > end)) return false; + if (flag & same_flag) + v += *p++; + else + v -= *p++; + } + else + { + if (!(flag & same_flag)) + { + if (unlikely (p + HBINT16::static_size > end)) return false; + v += *(const HBINT16 *) p; + p += HBINT16::static_size; + } + } + points_.arrayZ[i].*m = v; + } + return true; + } + + bool get_contour_points (contour_point_vector_t &points_ /* OUT */, + bool phantom_only = false) const + { + const HBUINT16 *endPtsOfContours = &StructAfter (header); + int num_contours = header.numberOfContours; + assert (num_contours); + /* One extra item at the end, for the instruction-count below. */ + if (unlikely (!bytes.check_range (&endPtsOfContours[num_contours]))) return false; + unsigned int num_points = endPtsOfContours[num_contours - 1] + 1; + + points_.alloc (num_points + 4); // Allocate for phantom points, to avoid a possible copy + if (!points_.resize (num_points)) return false; + if (phantom_only) return true; + + for (int i = 0; i < num_contours; i++) + points_[endPtsOfContours[i]].is_end_point = true; + + /* Skip instructions */ + const HBUINT8 *p = &StructAtOffset (&endPtsOfContours[num_contours + 1], + endPtsOfContours[num_contours]); + + if (unlikely ((const char *) p < bytes.arrayZ)) return false; /* Unlikely overflow */ + const HBUINT8 *end = (const HBUINT8 *) (bytes.arrayZ + bytes.length); + if (unlikely (p >= end)) return false; + + /* Read x & y coordinates */ + return read_flags (p, points_, end) + && read_points (p, points_, end, &contour_point_t::x, + FLAG_X_SHORT, FLAG_X_SAME) + && read_points (p, points_, end, &contour_point_t::y, + FLAG_Y_SHORT, FLAG_Y_SAME); + } + + static void encode_coord (int value, + uint8_t &flag, + const simple_glyph_flag_t short_flag, + const simple_glyph_flag_t same_flag, + hb_vector_t &coords /* OUT */) + { + if (value == 0) + { + flag |= same_flag; + } + else if (value >= -255 && value <= 255) + { + flag |= short_flag; + if (value > 0) flag |= same_flag; + else value = -value; + + coords.arrayZ[coords.length++] = (uint8_t) value; + } + else + { + int16_t val = value; + coords.arrayZ[coords.length++] = val >> 8; + coords.arrayZ[coords.length++] = val & 0xff; + } + } + + static void encode_flag (uint8_t &flag, + uint8_t &repeat, + uint8_t lastflag, + hb_vector_t &flags /* OUT */) + { + if (flag == lastflag && repeat != 255) + { + repeat++; + if (repeat == 1) + { + /* We know there's room. */ + flags.arrayZ[flags.length++] = flag; + } + else + { + unsigned len = flags.length; + flags.arrayZ[len-2] = flag | FLAG_REPEAT; + flags.arrayZ[len-1] = repeat; + } + } + else + { + repeat = 0; + flags.push (flag); + } + } + + bool compile_bytes_with_deltas (const contour_point_vector_t &all_points, + bool no_hinting, + hb_bytes_t &dest_bytes /* OUT */) + { + if (header.numberOfContours == 0 || all_points.length <= 4) + { + dest_bytes = hb_bytes_t (); + return true; + } + unsigned num_points = all_points.length - 4; + + hb_vector_t flags, x_coords, y_coords; + if (unlikely (!flags.alloc (num_points))) return false; + if (unlikely (!x_coords.alloc (2*num_points))) return false; + if (unlikely (!y_coords.alloc (2*num_points))) return false; + + uint8_t lastflag = 255, repeat = 0; + int prev_x = 0, prev_y = 0; + + for (unsigned i = 0; i < num_points; i++) + { + uint8_t flag = all_points.arrayZ[i].flag; + flag &= FLAG_ON_CURVE + FLAG_OVERLAP_SIMPLE; + + int cur_x = roundf (all_points.arrayZ[i].x); + int cur_y = roundf (all_points.arrayZ[i].y); + encode_coord (cur_x - prev_x, flag, FLAG_X_SHORT, FLAG_X_SAME, x_coords); + encode_coord (cur_y - prev_y, flag, FLAG_Y_SHORT, FLAG_Y_SAME, y_coords); + encode_flag (flag, repeat, lastflag, flags); + + prev_x = cur_x; + prev_y = cur_y; + lastflag = flag; + } + + unsigned len_before_instrs = 2 * header.numberOfContours + 2; + unsigned len_instrs = instructions_length (); + unsigned total_len = len_before_instrs + flags.length + x_coords.length + y_coords.length; + + if (!no_hinting) + total_len += len_instrs; + + char *p = (char *) hb_malloc (total_len); + if (unlikely (!p)) return false; + + const char *src = bytes.arrayZ + GlyphHeader::static_size; + char *cur = p; + hb_memcpy (p, src, len_before_instrs); + + cur += len_before_instrs; + src += len_before_instrs; + + if (!no_hinting) + { + hb_memcpy (cur, src, len_instrs); + cur += len_instrs; + } + + hb_memcpy (cur, flags.arrayZ, flags.length); + cur += flags.length; + + hb_memcpy (cur, x_coords.arrayZ, x_coords.length); + cur += x_coords.length; + + hb_memcpy (cur, y_coords.arrayZ, y_coords.length); + + dest_bytes = hb_bytes_t (p, total_len); + return true; + } +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + + +#endif /* OT_GLYF_SIMPLEGLYPH_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/SubsetGlyph.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/SubsetGlyph.hh new file mode 100644 index 0000000000..1a0370c757 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/SubsetGlyph.hh @@ -0,0 +1,93 @@ +#ifndef OT_GLYF_SUBSETGLYPH_HH +#define OT_GLYF_SUBSETGLYPH_HH + + +#include "../../hb-open-type.hh" + + +namespace OT { + +struct glyf_accelerator_t; + +namespace glyf_impl { + + +struct SubsetGlyph +{ + hb_codepoint_t old_gid; + Glyph source_glyph; + hb_bytes_t dest_start; /* region of source_glyph to copy first */ + hb_bytes_t dest_end; /* region of source_glyph to copy second */ + + bool serialize (hb_serialize_context_t *c, + bool use_short_loca, + const hb_subset_plan_t *plan, + hb_font_t *font) + { + TRACE_SERIALIZE (this); + + if (font) + { + const OT::glyf_accelerator_t &glyf = *font->face->table.glyf; + if (!this->compile_bytes_with_deltas (plan, font, glyf)) + return_trace (false); + } + + hb_bytes_t dest_glyph = dest_start.copy (c); + dest_glyph = hb_bytes_t (&dest_glyph, dest_glyph.length + dest_end.copy (c).length); + unsigned int pad_length = use_short_loca ? padding () : 0; + DEBUG_MSG (SUBSET, nullptr, "serialize %d byte glyph, width %d pad %d", dest_glyph.length, dest_glyph.length + pad_length, pad_length); + + HBUINT8 pad; + pad = 0; + while (pad_length > 0) + { + c->embed (pad); + pad_length--; + } + + if (unlikely (!dest_glyph.length)) return_trace (true); + + /* update components gids */ + for (auto &_ : Glyph (dest_glyph).get_composite_iterator ()) + { + hb_codepoint_t new_gid; + if (plan->new_gid_for_old_gid (_.get_gid(), &new_gid)) + const_cast (_).set_gid (new_gid); + } + + if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING) + Glyph (dest_glyph).drop_hints (); + + if (plan->flags & HB_SUBSET_FLAGS_SET_OVERLAPS_FLAG) + Glyph (dest_glyph).set_overlaps_flag (); + + return_trace (true); + } + + bool compile_bytes_with_deltas (const hb_subset_plan_t *plan, + hb_font_t *font, + const glyf_accelerator_t &glyf) + { return source_glyph.compile_bytes_with_deltas (plan, font, glyf, dest_start, dest_end); } + + void free_compiled_bytes () + { + dest_start.fini (); + dest_end.fini (); + } + + void drop_hints_bytes () + { source_glyph.drop_hints_bytes (dest_start, dest_end); } + + unsigned int length () const { return dest_start.length + dest_end.length; } + /* pad to 2 to ensure 2-byte loca will be ok */ + unsigned int padding () const { return length () % 2; } + unsigned int padded_size () const { return length () + padding (); } +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + + +#endif /* OT_GLYF_SUBSETGLYPH_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/VarCompositeGlyph.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/VarCompositeGlyph.hh new file mode 100644 index 0000000000..0f4c71c83d --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/VarCompositeGlyph.hh @@ -0,0 +1,353 @@ +#ifndef OT_GLYF_VARCOMPOSITEGLYPH_HH +#define OT_GLYF_VARCOMPOSITEGLYPH_HH + + +#include "../../hb-open-type.hh" +#include "coord-setter.hh" + + +namespace OT { +namespace glyf_impl { + + +struct VarCompositeGlyphRecord +{ + protected: + enum var_composite_glyph_flag_t + { + USE_MY_METRICS = 0x0001, + AXIS_INDICES_ARE_SHORT = 0x0002, + UNIFORM_SCALE = 0x0004, + HAVE_TRANSLATE_X = 0x0008, + HAVE_TRANSLATE_Y = 0x0010, + HAVE_ROTATION = 0x0020, + HAVE_SCALE_X = 0x0040, + HAVE_SCALE_Y = 0x0080, + HAVE_SKEW_X = 0x0100, + HAVE_SKEW_Y = 0x0200, + HAVE_TCENTER_X = 0x0400, + HAVE_TCENTER_Y = 0x0800, + GID_IS_24 = 0x1000, + AXES_HAVE_VARIATION = 0x2000, + }; + + public: + + unsigned int get_size () const + { + unsigned int size = min_size; + + unsigned axis_width = (flags & AXIS_INDICES_ARE_SHORT) ? 4 : 3; + size += numAxes * axis_width; + + // gid + size += 2; + if (flags & GID_IS_24) size += 1; + + if (flags & HAVE_TRANSLATE_X) size += 2; + if (flags & HAVE_TRANSLATE_Y) size += 2; + if (flags & HAVE_ROTATION) size += 2; + if (flags & HAVE_SCALE_X) size += 2; + if (flags & HAVE_SCALE_Y) size += 2; + if (flags & HAVE_SKEW_X) size += 2; + if (flags & HAVE_SKEW_Y) size += 2; + if (flags & HAVE_TCENTER_X) size += 2; + if (flags & HAVE_TCENTER_Y) size += 2; + + return size; + } + + bool has_more () const { return true; } + + bool is_use_my_metrics () const { return flags & USE_MY_METRICS; } + + hb_codepoint_t get_gid () const + { + if (flags & GID_IS_24) + return StructAfter (numAxes); + else + return StructAfter (numAxes); + } + + unsigned get_numAxes () const + { + return numAxes; + } + + unsigned get_num_points () const + { + unsigned num = 0; + if (flags & AXES_HAVE_VARIATION) num += numAxes; + if (flags & (HAVE_TRANSLATE_X | HAVE_TRANSLATE_Y)) num++; + if (flags & HAVE_ROTATION) num++; + if (flags & (HAVE_SCALE_X | HAVE_SCALE_Y)) num++; + if (flags & (HAVE_SKEW_X | HAVE_SKEW_Y)) num++; + if (flags & (HAVE_TCENTER_X | HAVE_TCENTER_Y)) num++; + return num; + } + + void transform_points (hb_array_t record_points, + contour_point_vector_t &points) const + { + float matrix[4]; + contour_point_t trans; + + get_transformation_from_points (record_points, matrix, trans); + + points.transform (matrix); + points.translate (trans); + } + + static inline void transform (float (&matrix)[4], contour_point_t &trans, + float (other)[6]) + { + // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L268 + float xx1 = other[0]; + float xy1 = other[1]; + float yx1 = other[2]; + float yy1 = other[3]; + float dx1 = other[4]; + float dy1 = other[5]; + float xx2 = matrix[0]; + float xy2 = matrix[1]; + float yx2 = matrix[2]; + float yy2 = matrix[3]; + float dx2 = trans.x; + float dy2 = trans.y; + + matrix[0] = xx1*xx2 + xy1*yx2; + matrix[1] = xx1*xy2 + xy1*yy2; + matrix[2] = yx1*xx2 + yy1*yx2; + matrix[3] = yx1*xy2 + yy1*yy2; + trans.x = xx2*dx1 + yx2*dy1 + dx2; + trans.y = xy2*dx1 + yy2*dy1 + dy2; + } + + static void translate (float (&matrix)[4], contour_point_t &trans, + float translateX, float translateY) + { + // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L213 + float other[6] = {1.f, 0.f, 0.f, 1.f, translateX, translateY}; + transform (matrix, trans, other); + } + + static void scale (float (&matrix)[4], contour_point_t &trans, + float scaleX, float scaleY) + { + // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L224 + float other[6] = {scaleX, 0.f, 0.f, scaleY, 0.f, 0.f}; + transform (matrix, trans, other); + } + + static void rotate (float (&matrix)[4], contour_point_t &trans, + float rotation) + { + // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L240 + rotation = rotation * float (M_PI); + float c = cosf (rotation); + float s = sinf (rotation); + float other[6] = {c, s, -s, c, 0.f, 0.f}; + transform (matrix, trans, other); + } + + static void skew (float (&matrix)[4], contour_point_t &trans, + float skewX, float skewY) + { + // https://github.com/fonttools/fonttools/blob/f66ee05f71c8b57b5f519ee975e95edcd1466e14/Lib/fontTools/misc/transform.py#L255 + skewX = skewX * float (M_PI); + skewY = skewY * float (M_PI); + float other[6] = {1.f, tanf (skewY), tanf (skewX), 1.f, 0.f, 0.f}; + transform (matrix, trans, other); + } + + bool get_points (contour_point_vector_t &points) const + { + float translateX = 0.f; + float translateY = 0.f; + float rotation = 0.f; + float scaleX = 1.f * (1 << 12); + float scaleY = 1.f * (1 << 12); + float skewX = 0.f; + float skewY = 0.f; + float tCenterX = 0.f; + float tCenterY = 0.f; + + if (unlikely (!points.resize (points.length + get_num_points ()))) return false; + + unsigned axis_width = (flags & AXIS_INDICES_ARE_SHORT) ? 2 : 1; + unsigned axes_size = numAxes * axis_width; + + const F2DOT14 *q = (const F2DOT14 *) (axes_size + + (flags & GID_IS_24 ? 3 : 2) + + &StructAfter (numAxes)); + + hb_array_t rec_points = points.as_array ().sub_array (points.length - get_num_points ()); + + unsigned count = numAxes; + if (flags & AXES_HAVE_VARIATION) + { + for (unsigned i = 0; i < count; i++) + rec_points[i].x = *q++; + rec_points += count; + } + else + q += count; + + const HBUINT16 *p = (const HBUINT16 *) q; + + if (flags & HAVE_TRANSLATE_X) translateX = * (const FWORD *) p++; + if (flags & HAVE_TRANSLATE_Y) translateY = * (const FWORD *) p++; + if (flags & HAVE_ROTATION) rotation = * (const F2DOT14 *) p++; + if (flags & HAVE_SCALE_X) scaleX = * (const F4DOT12 *) p++; + if (flags & HAVE_SCALE_Y) scaleY = * (const F4DOT12 *) p++; + if (flags & HAVE_SKEW_X) skewX = * (const F2DOT14 *) p++; + if (flags & HAVE_SKEW_Y) skewY = * (const F2DOT14 *) p++; + if (flags & HAVE_TCENTER_X) tCenterX = * (const FWORD *) p++; + if (flags & HAVE_TCENTER_Y) tCenterY = * (const FWORD *) p++; + + if ((flags & UNIFORM_SCALE) && !(flags & HAVE_SCALE_Y)) + scaleY = scaleX; + + if (flags & (HAVE_TRANSLATE_X | HAVE_TRANSLATE_Y)) + { + rec_points[0].x = translateX; + rec_points[0].y = translateY; + rec_points++; + } + if (flags & HAVE_ROTATION) + { + rec_points[0].x = rotation; + rec_points++; + } + if (flags & (HAVE_SCALE_X | HAVE_SCALE_Y)) + { + rec_points[0].x = scaleX; + rec_points[0].y = scaleY; + rec_points++; + } + if (flags & (HAVE_SKEW_X | HAVE_SKEW_Y)) + { + rec_points[0].x = skewX; + rec_points[0].y = skewY; + rec_points++; + } + if (flags & (HAVE_TCENTER_X | HAVE_TCENTER_Y)) + { + rec_points[0].x = tCenterX; + rec_points[0].y = tCenterY; + rec_points++; + } + assert (!rec_points); + + return true; + } + + void get_transformation_from_points (hb_array_t rec_points, + float (&matrix)[4], contour_point_t &trans) const + { + if (flags & AXES_HAVE_VARIATION) + rec_points += numAxes; + + matrix[0] = matrix[3] = 1.f; + matrix[1] = matrix[2] = 0.f; + trans.init (0.f, 0.f); + + float translateX = 0.f; + float translateY = 0.f; + float rotation = 0.f; + float scaleX = 1.f; + float scaleY = 1.f; + float skewX = 0.f; + float skewY = 0.f; + float tCenterX = 0.f; + float tCenterY = 0.f; + + if (flags & (HAVE_TRANSLATE_X | HAVE_TRANSLATE_Y)) + { + translateX = rec_points[0].x; + translateY = rec_points[0].y; + rec_points++; + } + if (flags & HAVE_ROTATION) + { + rotation = rec_points[0].x / (1 << 14); + rec_points++; + } + if (flags & (HAVE_SCALE_X | HAVE_SCALE_Y)) + { + scaleX = rec_points[0].x / (1 << 12); + scaleY = rec_points[0].y / (1 << 12); + rec_points++; + } + if (flags & (HAVE_SKEW_X | HAVE_SKEW_Y)) + { + skewX = rec_points[0].x / (1 << 14); + skewY = rec_points[0].y / (1 << 14); + rec_points++; + } + if (flags & (HAVE_TCENTER_X | HAVE_TCENTER_Y)) + { + tCenterX = rec_points[0].x; + tCenterY = rec_points[0].y; + rec_points++; + } + assert (!rec_points); + + translate (matrix, trans, translateX + tCenterX, translateY + tCenterY); + rotate (matrix, trans, rotation); + scale (matrix, trans, scaleX, scaleY); + skew (matrix, trans, -skewX, skewY); + translate (matrix, trans, -tCenterX, -tCenterY); + } + + void set_variations (coord_setter_t &setter, + hb_array_t rec_points) const + { + bool have_variations = flags & AXES_HAVE_VARIATION; + unsigned axis_width = (flags & AXIS_INDICES_ARE_SHORT) ? 2 : 1; + + const HBUINT8 *p = (const HBUINT8 *) (((HBUINT8 *) &numAxes) + numAxes.static_size + (flags & GID_IS_24 ? 3 : 2)); + const HBUINT16 *q = (const HBUINT16 *) (((HBUINT8 *) &numAxes) + numAxes.static_size + (flags & GID_IS_24 ? 3 : 2)); + + const F2DOT14 *a = (const F2DOT14 *) ((HBUINT8 *) (axis_width == 1 ? (p + numAxes) : (HBUINT8 *) (q + numAxes))); + + unsigned count = numAxes; + for (unsigned i = 0; i < count; i++) + { + unsigned axis_index = axis_width == 1 ? (unsigned) *p++ : (unsigned) *q++; + + signed v = have_variations ? rec_points[i].x : *a++; + + v += setter[axis_index]; + v = hb_clamp (v, -(1<<14), (1<<14)); + setter[axis_index] = v; + } + } + + protected: + HBUINT16 flags; + HBUINT8 numAxes; + public: + DEFINE_SIZE_MIN (3); +}; + +using var_composite_iter_t = composite_iter_tmpl; + +struct VarCompositeGlyph +{ + const GlyphHeader &header; + hb_bytes_t bytes; + VarCompositeGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) : + header (header_), bytes (bytes_) {} + + var_composite_iter_t iter () const + { return var_composite_iter_t (bytes, &StructAfter (header)); } + +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + + +#endif /* OT_GLYF_VARCOMPOSITEGLYPH_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/composite-iter.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/composite-iter.hh new file mode 100644 index 0000000000..d05701f3d1 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/composite-iter.hh @@ -0,0 +1,68 @@ +#ifndef OT_GLYF_COMPOSITE_ITER_HH +#define OT_GLYF_COMPOSITE_ITER_HH + + +#include "../../hb.hh" + + +namespace OT { +namespace glyf_impl { + + +template +struct composite_iter_tmpl : hb_iter_with_fallback_t, + const CompositeGlyphRecord &> +{ + typedef const CompositeGlyphRecord *__item_t__; + composite_iter_tmpl (hb_bytes_t glyph_, __item_t__ current_) : + glyph (glyph_), current (nullptr), current_size (0) + { + set_current (current_); + } + + composite_iter_tmpl () : glyph (hb_bytes_t ()), current (nullptr), current_size (0) {} + + const CompositeGlyphRecord & __item__ () const { return *current; } + bool __more__ () const { return current; } + void __next__ () + { + if (!current->has_more ()) { current = nullptr; return; } + + set_current (&StructAtOffset (current, current_size)); + } + composite_iter_tmpl __end__ () const { return composite_iter_tmpl (); } + bool operator != (const composite_iter_tmpl& o) const + { return current != o.current; } + + + void set_current (__item_t__ current_) + { + if (!glyph.check_range (current_, CompositeGlyphRecord::min_size)) + { + current = nullptr; + current_size = 0; + return; + } + unsigned size = current_->get_size (); + if (!glyph.check_range (current_, size)) + { + current = nullptr; + current_size = 0; + return; + } + + current = current_; + current_size = size; + } + + private: + hb_bytes_t glyph; + __item_t__ current; + unsigned current_size; +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + +#endif /* OT_GLYF_COMPOSITE_ITER_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/coord-setter.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/coord-setter.hh new file mode 100644 index 0000000000..df64ed5af7 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/coord-setter.hh @@ -0,0 +1,34 @@ +#ifndef OT_GLYF_COORD_SETTER_HH +#define OT_GLYF_COORD_SETTER_HH + + +#include "../../hb.hh" + + +namespace OT { +namespace glyf_impl { + + +struct coord_setter_t +{ + coord_setter_t (hb_array_t coords) : + coords (coords) {} + + int& operator [] (unsigned idx) + { + if (coords.length < idx + 1) + coords.resize (idx + 1); + return coords[idx]; + } + + hb_array_t get_coords () + { return coords.as_array (); } + + hb_vector_t coords; +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + +#endif /* OT_GLYF_COORD_SETTER_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf-helpers.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf-helpers.hh new file mode 100644 index 0000000000..181c33d06d --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf-helpers.hh @@ -0,0 +1,90 @@ +#ifndef OT_GLYF_GLYF_HELPERS_HH +#define OT_GLYF_GLYF_HELPERS_HH + + +#include "../../hb-open-type.hh" +#include "../../hb-subset-plan.hh" + +#include "loca.hh" + + +namespace OT { +namespace glyf_impl { + + +template +static void +_write_loca (IteratorIn&& it, bool short_offsets, IteratorOut&& dest) +{ + unsigned right_shift = short_offsets ? 1 : 0; + unsigned int offset = 0; + dest << 0; + + it + | hb_map ([=, &offset] (unsigned int padded_size) + { + offset += padded_size; + DEBUG_MSG (SUBSET, nullptr, "loca entry offset %d", offset); + return offset >> right_shift; + }) + | hb_sink (dest) + ; +} + +static bool +_add_head_and_set_loca_version (hb_subset_plan_t *plan, bool use_short_loca) +{ + hb_blob_t *head_blob = hb_sanitize_context_t ().reference_table (plan->source); + hb_blob_t *head_prime_blob = hb_blob_copy_writable_or_fail (head_blob); + hb_blob_destroy (head_blob); + + if (unlikely (!head_prime_blob)) + return false; + + head *head_prime = (head *) hb_blob_get_data_writable (head_prime_blob, nullptr); + head_prime->indexToLocFormat = use_short_loca ? 0 : 1; + bool success = plan->add_table (HB_OT_TAG_head, head_prime_blob); + + hb_blob_destroy (head_prime_blob); + return success; +} + +template +static bool +_add_loca_and_head (hb_subset_plan_t * plan, Iterator padded_offsets, bool use_short_loca) +{ + unsigned num_offsets = padded_offsets.len () + 1; + unsigned entry_size = use_short_loca ? 2 : 4; + char *loca_prime_data = (char *) hb_calloc (entry_size, num_offsets); + + if (unlikely (!loca_prime_data)) return false; + + DEBUG_MSG (SUBSET, nullptr, "loca entry_size %d num_offsets %d size %d", + entry_size, num_offsets, entry_size * num_offsets); + + if (use_short_loca) + _write_loca (padded_offsets, true, hb_array ((HBUINT16 *) loca_prime_data, num_offsets)); + else + _write_loca (padded_offsets, false, hb_array ((HBUINT32 *) loca_prime_data, num_offsets)); + + hb_blob_t *loca_blob = hb_blob_create (loca_prime_data, + entry_size * num_offsets, + HB_MEMORY_MODE_WRITABLE, + loca_prime_data, + hb_free); + + bool result = plan->add_table (HB_OT_TAG_loca, loca_blob) + && _add_head_and_set_loca_version (plan, use_short_loca); + + hb_blob_destroy (loca_blob); + return result; +} + + +} /* namespace glyf_impl */ +} /* namespace OT */ + + +#endif /* OT_GLYF_GLYF_HELPERS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf.hh new file mode 100644 index 0000000000..e6e985c38c --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/glyf.hh @@ -0,0 +1,448 @@ +#ifndef OT_GLYF_GLYF_HH +#define OT_GLYF_GLYF_HH + + +#include "../../hb-open-type.hh" +#include "../../hb-ot-head-table.hh" +#include "../../hb-ot-hmtx-table.hh" +#include "../../hb-ot-var-gvar-table.hh" +#include "../../hb-draw.hh" + +#include "glyf-helpers.hh" +#include "Glyph.hh" +#include "SubsetGlyph.hh" +#include "loca.hh" +#include "path-builder.hh" + + +namespace OT { + + +/* + * glyf -- TrueType Glyph Data + * https://docs.microsoft.com/en-us/typography/opentype/spec/glyf + */ +#define HB_OT_TAG_glyf HB_TAG('g','l','y','f') + +struct glyf +{ + friend struct glyf_accelerator_t; + + static constexpr hb_tag_t tableTag = HB_OT_TAG_glyf; + + bool sanitize (hb_sanitize_context_t *c HB_UNUSED) const + { + TRACE_SANITIZE (this); + /* Runtime checks as eager sanitizing each glyph is costy */ + return_trace (true); + } + + /* requires source of SubsetGlyph complains the identifier isn't declared */ + template + bool serialize (hb_serialize_context_t *c, + Iterator it, + bool use_short_loca, + const hb_subset_plan_t *plan, + hb_font_t *font) + { + TRACE_SERIALIZE (this); + + unsigned init_len = c->length (); + for (auto &_ : it) + if (unlikely (!_.serialize (c, use_short_loca, plan, font))) + return false; + + /* As a special case when all glyph in the font are empty, add a zero byte + * to the table, so that OTS doesn’t reject it, and to make the table work + * on Windows as well. + * See https://github.com/khaledhosny/ots/issues/52 */ + if (init_len == c->length ()) + { + HBUINT8 empty_byte; + empty_byte = 0; + c->copy (empty_byte); + } + return_trace (true); + } + + /* Byte region(s) per glyph to output + unpadded, hints removed if so requested + If we fail to process a glyph we produce an empty (0-length) glyph */ + bool subset (hb_subset_context_t *c) const + { + TRACE_SUBSET (this); + + glyf *glyf_prime = c->serializer->start_embed (); + if (unlikely (!c->serializer->check_success (glyf_prime))) return_trace (false); + + hb_vector_t glyphs; + _populate_subset_glyphs (c->plan, glyphs); + + hb_font_t *font = nullptr; + if (!c->plan->pinned_at_default) + { + font = _create_font_for_instancing (c->plan); + if (unlikely (!font)) return false; + } + + auto padded_offsets = + + hb_iter (glyphs) + | hb_map (&glyf_impl::SubsetGlyph::padded_size) + ; + + bool use_short_loca = false; + if (likely (!c->plan->force_long_loca)) + { + unsigned max_offset = + padded_offsets | hb_reduce (hb_add, 0); + use_short_loca = max_offset < 0x1FFFF; + } + + glyf_prime->serialize (c->serializer, glyphs.writer (), use_short_loca, c->plan, font); + if (!use_short_loca) { + padded_offsets = + + hb_iter (glyphs) + | hb_map (&glyf_impl::SubsetGlyph::length) + ; + } + + if (font) + { + _free_compiled_subset_glyphs (&glyphs); + hb_font_destroy (font); + } + + if (unlikely (c->serializer->in_error ())) return_trace (false); + return_trace (c->serializer->check_success (glyf_impl::_add_loca_and_head (c->plan, + padded_offsets, + use_short_loca))); + } + + void + _populate_subset_glyphs (const hb_subset_plan_t *plan, + hb_vector_t &glyphs /* OUT */) const; + + hb_font_t * + _create_font_for_instancing (const hb_subset_plan_t *plan) const; + + void _free_compiled_subset_glyphs (hb_vector_t *glyphs) const + { + for (auto _ : *glyphs) + _.free_compiled_bytes (); + } + + protected: + UnsizedArrayOf + dataZ; /* Glyphs data. */ + public: + DEFINE_SIZE_MIN (0); /* In reality, this is UNBOUNDED() type; but since we always + * check the size externally, allow Null() object of it by + * defining it _MIN instead. */ +}; + +struct glyf_accelerator_t +{ + glyf_accelerator_t (hb_face_t *face) + { + short_offset = false; + num_glyphs = 0; + loca_table = nullptr; + glyf_table = nullptr; +#ifndef HB_NO_VAR + gvar = nullptr; +#endif + hmtx = nullptr; +#ifndef HB_NO_VERTICAL + vmtx = nullptr; +#endif + const OT::head &head = *face->table.head; + if (head.indexToLocFormat > 1 || head.glyphDataFormat > 0) + /* Unknown format. Leave num_glyphs=0, that takes care of disabling us. */ + return; + short_offset = 0 == head.indexToLocFormat; + + loca_table = face->table.loca.get_blob (); // Needs no destruct! + glyf_table = hb_sanitize_context_t ().reference_table (face); +#ifndef HB_NO_VAR + gvar = face->table.gvar; +#endif + hmtx = face->table.hmtx; +#ifndef HB_NO_VERTICAL + vmtx = face->table.vmtx; +#endif + + num_glyphs = hb_max (1u, loca_table.get_length () / (short_offset ? 2 : 4)) - 1; + num_glyphs = hb_min (num_glyphs, face->get_num_glyphs ()); + } + ~glyf_accelerator_t () + { + glyf_table.destroy (); + } + + bool has_data () const { return num_glyphs; } + + protected: + template + bool get_points (hb_font_t *font, hb_codepoint_t gid, T consumer) const + { + if (gid >= num_glyphs) return false; + + /* Making this allocfree is not that easy + https://github.com/harfbuzz/harfbuzz/issues/2095 + mostly because of gvar handling in VF fonts, + perhaps a separate path for non-VF fonts can be considered */ + contour_point_vector_t all_points; + + bool phantom_only = !consumer.is_consuming_contour_points (); + if (unlikely (!glyph_for_gid (gid).get_points (font, *this, all_points, nullptr, true, true, phantom_only))) + return false; + + if (consumer.is_consuming_contour_points ()) + { + unsigned count = all_points.length; + assert (count >= glyf_impl::PHANTOM_COUNT); + count -= glyf_impl::PHANTOM_COUNT; + for (unsigned point_index = 0; point_index < count; point_index++) + consumer.consume_point (all_points[point_index]); + consumer.points_end (); + } + + /* Where to write phantoms, nullptr if not requested */ + contour_point_t *phantoms = consumer.get_phantoms_sink (); + if (phantoms) + for (unsigned i = 0; i < glyf_impl::PHANTOM_COUNT; ++i) + phantoms[i] = all_points[all_points.length - glyf_impl::PHANTOM_COUNT + i]; + + return true; + } + +#ifndef HB_NO_VAR + struct points_aggregator_t + { + hb_font_t *font; + hb_glyph_extents_t *extents; + contour_point_t *phantoms; + bool scaled; + + struct contour_bounds_t + { + contour_bounds_t () { min_x = min_y = FLT_MAX; max_x = max_y = -FLT_MAX; } + + void add (const contour_point_t &p) + { + min_x = hb_min (min_x, p.x); + min_y = hb_min (min_y, p.y); + max_x = hb_max (max_x, p.x); + max_y = hb_max (max_y, p.y); + } + + bool empty () const { return (min_x >= max_x) || (min_y >= max_y); } + + void get_extents (hb_font_t *font, hb_glyph_extents_t *extents, bool scaled) + { + if (unlikely (empty ())) + { + extents->width = 0; + extents->x_bearing = 0; + extents->height = 0; + extents->y_bearing = 0; + return; + } + if (scaled) + { + extents->x_bearing = font->em_scalef_x (min_x); + extents->width = font->em_scalef_x (max_x) - extents->x_bearing; + extents->y_bearing = font->em_scalef_y (max_y); + extents->height = font->em_scalef_y (min_y) - extents->y_bearing; + } + else + { + extents->x_bearing = roundf (min_x); + extents->width = roundf (max_x - extents->x_bearing); + extents->y_bearing = roundf (max_y); + extents->height = roundf (min_y - extents->y_bearing); + } + } + + protected: + float min_x, min_y, max_x, max_y; + } bounds; + + points_aggregator_t (hb_font_t *font_, hb_glyph_extents_t *extents_, contour_point_t *phantoms_, bool scaled_) + { + font = font_; + extents = extents_; + phantoms = phantoms_; + scaled = scaled_; + if (extents) bounds = contour_bounds_t (); + } + + void consume_point (const contour_point_t &point) { bounds.add (point); } + void points_end () { bounds.get_extents (font, extents, scaled); } + + bool is_consuming_contour_points () { return extents; } + contour_point_t *get_phantoms_sink () { return phantoms; } + }; + + public: + unsigned + get_advance_with_var_unscaled (hb_font_t *font, hb_codepoint_t gid, bool is_vertical) const + { + if (unlikely (gid >= num_glyphs)) return 0; + + bool success = false; + + contour_point_t phantoms[glyf_impl::PHANTOM_COUNT]; + if (font->num_coords) + success = get_points (font, gid, points_aggregator_t (font, nullptr, phantoms, false)); + + if (unlikely (!success)) + return +#ifndef HB_NO_VERTICAL + is_vertical ? vmtx->get_advance_without_var_unscaled (gid) : +#endif + hmtx->get_advance_without_var_unscaled (gid); + + float result = is_vertical + ? phantoms[glyf_impl::PHANTOM_TOP].y - phantoms[glyf_impl::PHANTOM_BOTTOM].y + : phantoms[glyf_impl::PHANTOM_RIGHT].x - phantoms[glyf_impl::PHANTOM_LEFT].x; + return hb_clamp (roundf (result), 0.f, (float) UINT_MAX / 2); + } + + bool get_leading_bearing_with_var_unscaled (hb_font_t *font, hb_codepoint_t gid, bool is_vertical, int *lsb) const + { + if (unlikely (gid >= num_glyphs)) return false; + + hb_glyph_extents_t extents; + + contour_point_t phantoms[glyf_impl::PHANTOM_COUNT]; + if (unlikely (!get_points (font, gid, points_aggregator_t (font, &extents, phantoms, false)))) + return false; + + *lsb = is_vertical + ? roundf (phantoms[glyf_impl::PHANTOM_TOP].y) - extents.y_bearing + : roundf (phantoms[glyf_impl::PHANTOM_LEFT].x); + return true; + } +#endif + + public: + bool get_extents (hb_font_t *font, hb_codepoint_t gid, hb_glyph_extents_t *extents) const + { + if (unlikely (gid >= num_glyphs)) return false; + +#ifndef HB_NO_VAR + if (font->num_coords) + return get_points (font, gid, points_aggregator_t (font, extents, nullptr, true)); +#endif + return glyph_for_gid (gid).get_extents_without_var_scaled (font, *this, extents); + } + + const glyf_impl::Glyph + glyph_for_gid (hb_codepoint_t gid, bool needs_padding_removal = false) const + { + if (unlikely (gid >= num_glyphs)) return glyf_impl::Glyph (); + + unsigned int start_offset, end_offset; + + if (short_offset) + { + const HBUINT16 *offsets = (const HBUINT16 *) loca_table->dataZ.arrayZ; + start_offset = 2 * offsets[gid]; + end_offset = 2 * offsets[gid + 1]; + } + else + { + const HBUINT32 *offsets = (const HBUINT32 *) loca_table->dataZ.arrayZ; + start_offset = offsets[gid]; + end_offset = offsets[gid + 1]; + } + + if (unlikely (start_offset > end_offset || end_offset > glyf_table.get_length ())) + return glyf_impl::Glyph (); + + glyf_impl::Glyph glyph (hb_bytes_t ((const char *) this->glyf_table + start_offset, + end_offset - start_offset), gid); + return needs_padding_removal ? glyf_impl::Glyph (glyph.trim_padding (), gid) : glyph; + } + + bool + get_path (hb_font_t *font, hb_codepoint_t gid, hb_draw_session_t &draw_session) const + { return get_points (font, gid, glyf_impl::path_builder_t (font, draw_session)); } + +#ifndef HB_NO_VAR + const gvar_accelerator_t *gvar; +#endif + const hmtx_accelerator_t *hmtx; +#ifndef HB_NO_VERTICAL + const vmtx_accelerator_t *vmtx; +#endif + + private: + bool short_offset; + unsigned int num_glyphs; + hb_blob_ptr_t loca_table; + hb_blob_ptr_t glyf_table; +}; + + +inline void +glyf::_populate_subset_glyphs (const hb_subset_plan_t *plan, + hb_vector_t& glyphs /* OUT */) const +{ + OT::glyf_accelerator_t glyf (plan->source); + unsigned num_glyphs = plan->num_output_glyphs (); + if (!glyphs.resize (num_glyphs)) return; + + for (auto p : plan->glyph_map->iter ()) + { + unsigned new_gid = p.second; + glyf_impl::SubsetGlyph& subset_glyph = glyphs.arrayZ[new_gid]; + subset_glyph.old_gid = p.first; + + if (unlikely (new_gid == 0 && + !(plan->flags & HB_SUBSET_FLAGS_NOTDEF_OUTLINE)) && + plan->pinned_at_default) + subset_glyph.source_glyph = glyf_impl::Glyph (); + else + { + /* If plan has an accelerator, the preprocessing step already trimmed glyphs. + * Don't trim them again! */ + subset_glyph.source_glyph = glyf.glyph_for_gid (subset_glyph.old_gid, !plan->accelerator); + } + + if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING) + subset_glyph.drop_hints_bytes (); + else + subset_glyph.dest_start = subset_glyph.source_glyph.get_bytes (); + } +} + +inline hb_font_t * +glyf::_create_font_for_instancing (const hb_subset_plan_t *plan) const +{ + hb_font_t *font = hb_font_create (plan->source); + if (unlikely (font == hb_font_get_empty ())) return nullptr; + + hb_vector_t vars; + if (unlikely (!vars.alloc (plan->user_axes_location->get_population ()))) + return nullptr; + + for (auto _ : *plan->user_axes_location) + { + hb_variation_t var; + var.tag = _.first; + var.value = _.second; + vars.push (var); + } + +#ifndef HB_NO_VAR + hb_font_set_variations (font, vars.arrayZ, plan->user_axes_location->get_population ()); +#endif + return font; +} + + +} /* namespace OT */ + + +#endif /* OT_GLYF_GLYF_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/loca.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/loca.hh new file mode 100644 index 0000000000..4481cba8ed --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/loca.hh @@ -0,0 +1,43 @@ +#ifndef OT_GLYF_LOCA_HH +#define OT_GLYF_LOCA_HH + + +#include "../../hb-open-type.hh" + + +namespace OT { + + +/* + * loca -- Index to Location + * https://docs.microsoft.com/en-us/typography/opentype/spec/loca + */ +#define HB_OT_TAG_loca HB_TAG('l','o','c','a') + +struct loca +{ + friend struct glyf; + friend struct glyf_accelerator_t; + + static constexpr hb_tag_t tableTag = HB_OT_TAG_loca; + + bool sanitize (hb_sanitize_context_t *c HB_UNUSED) const + { + TRACE_SANITIZE (this); + return_trace (true); + } + + protected: + UnsizedArrayOf + dataZ; /* Location data. */ + public: + DEFINE_SIZE_MIN (0); /* In reality, this is UNBOUNDED() type; but since we always + * check the size externally, allow Null() object of it by + * defining it _MIN instead. */ +}; + + +} /* namespace OT */ + + +#endif /* OT_GLYF_LOCA_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh new file mode 100644 index 0000000000..9bfc45a1a6 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/path-builder.hh @@ -0,0 +1,135 @@ +#ifndef OT_GLYF_PATH_BUILDER_HH +#define OT_GLYF_PATH_BUILDER_HH + + +#include "../../hb.hh" + + +namespace OT { +namespace glyf_impl { + + +struct path_builder_t +{ + hb_font_t *font; + hb_draw_session_t *draw_session; + + struct optional_point_t + { + optional_point_t () {} + optional_point_t (float x_, float y_) : has_data (true), x (x_), y (y_) {} + operator bool () const { return has_data; } + + bool has_data = false; + float x = 0.; + float y = 0.; + + optional_point_t lerp (optional_point_t p, float t) + { return optional_point_t (x + t * (p.x - x), y + t * (p.y - y)); } + } first_oncurve, first_offcurve, last_offcurve; + + path_builder_t (hb_font_t *font_, hb_draw_session_t &draw_session_) + { + font = font_; + draw_session = &draw_session_; + first_oncurve = first_offcurve = last_offcurve = optional_point_t (); + } + + /* based on https://github.com/RazrFalcon/ttf-parser/blob/4f32821/src/glyf.rs#L287 + See also: + * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM01/Chap1.html + * https://stackoverflow.com/a/20772557 */ + void consume_point (const contour_point_t &point) + { + bool is_on_curve = point.flag & glyf_impl::SimpleGlyph::FLAG_ON_CURVE; + optional_point_t p (font->em_fscalef_x (point.x), font->em_fscalef_y (point.y)); + if (!first_oncurve) + { + if (is_on_curve) + { + first_oncurve = p; + draw_session->move_to (p.x, p.y); + } + else + { + if (first_offcurve) + { + optional_point_t mid = first_offcurve.lerp (p, .5f); + first_oncurve = mid; + last_offcurve = p; + draw_session->move_to (mid.x, mid.y); + } + else + first_offcurve = p; + } + } + else + { + if (last_offcurve) + { + if (is_on_curve) + { + draw_session->quadratic_to (last_offcurve.x, last_offcurve.y, + p.x, p.y); + last_offcurve = optional_point_t (); + } + else + { + optional_point_t mid = last_offcurve.lerp (p, .5f); + draw_session->quadratic_to (last_offcurve.x, last_offcurve.y, + mid.x, mid.y); + last_offcurve = p; + } + } + else + { + if (is_on_curve) + draw_session->line_to (p.x, p.y); + else + last_offcurve = p; + } + } + + if (point.is_end_point) + { + if (first_offcurve && last_offcurve) + { + optional_point_t mid = last_offcurve.lerp (first_offcurve, .5f); + draw_session->quadratic_to (last_offcurve.x, last_offcurve.y, + mid.x, mid.y); + last_offcurve = optional_point_t (); + /* now check the rest */ + } + + if (first_offcurve && first_oncurve) + draw_session->quadratic_to (first_offcurve.x, first_offcurve.y, + first_oncurve.x, first_oncurve.y); + else if (last_offcurve && first_oncurve) + draw_session->quadratic_to (last_offcurve.x, last_offcurve.y, + first_oncurve.x, first_oncurve.y); + else if (first_oncurve) + draw_session->line_to (first_oncurve.x, first_oncurve.y); + else if (first_offcurve) + { + float x = first_offcurve.x, y = first_offcurve.y; + draw_session->move_to (x, y); + draw_session->quadratic_to (x, y, x, y); + } + + /* Getting ready for the next contour */ + first_oncurve = first_offcurve = last_offcurve = optional_point_t (); + draw_session->close_path (); + } + } + void points_end () {} + + bool is_consuming_contour_points () { return true; } + contour_point_t *get_phantoms_sink () { return nullptr; } +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + + +#endif /* OT_GLYF_PATH_BUILDER_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/graph/classdef-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/classdef-graph.hh new file mode 100644 index 0000000000..c2e24a7067 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/classdef-graph.hh @@ -0,0 +1,216 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#include "graph.hh" +#include "../hb-ot-layout-common.hh" + +#ifndef GRAPH_CLASSDEF_GRAPH_HH +#define GRAPH_CLASSDEF_GRAPH_HH + +namespace graph { + +struct ClassDefFormat1 : public OT::ClassDefFormat1_3 +{ + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + constexpr unsigned min_size = OT::ClassDefFormat1_3::min_size; + if (vertex_len < min_size) return false; + return vertex_len >= min_size + classValue.get_size () - classValue.len.get_size (); + } +}; + +struct ClassDefFormat2 : public OT::ClassDefFormat2_4 +{ + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + constexpr unsigned min_size = OT::ClassDefFormat2_4::min_size; + if (vertex_len < min_size) return false; + return vertex_len >= min_size + rangeRecord.get_size () - rangeRecord.len.get_size (); + } +}; + +struct ClassDef : public OT::ClassDef +{ + template + static bool add_class_def (gsubgpos_graph_context_t& c, + unsigned parent_id, + unsigned link_position, + It glyph_and_class, + unsigned max_size) + { + unsigned class_def_prime_id = c.graph.new_node (nullptr, nullptr); + auto& class_def_prime_vertex = c.graph.vertices_[class_def_prime_id]; + if (!make_class_def (c, glyph_and_class, class_def_prime_id, max_size)) + return false; + + auto* class_def_link = c.graph.vertices_[parent_id].obj.real_links.push (); + class_def_link->width = SmallTypes::size; + class_def_link->objidx = class_def_prime_id; + class_def_link->position = link_position; + class_def_prime_vertex.parents.push (parent_id); + + return true; + } + + template + static bool make_class_def (gsubgpos_graph_context_t& c, + It glyph_and_class, + unsigned dest_obj, + unsigned max_size) + { + char* buffer = (char*) hb_calloc (1, max_size); + hb_serialize_context_t serializer (buffer, max_size); + OT::ClassDef_serialize (&serializer, glyph_and_class); + serializer.end_serialize (); + if (serializer.in_error ()) + { + hb_free (buffer); + return false; + } + + hb_bytes_t class_def_copy = serializer.copy_bytes (); + c.add_buffer ((char *) class_def_copy.arrayZ); // Give ownership to the context, it will cleanup the buffer. + + auto& obj = c.graph.vertices_[dest_obj].obj; + obj.head = (char *) class_def_copy.arrayZ; + obj.tail = obj.head + class_def_copy.length; + + hb_free (buffer); + return true; + } + + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + if (vertex_len < OT::ClassDef::min_size) return false; + switch (u.format) + { + case 1: return ((ClassDefFormat1*)this)->sanitize (vertex); + case 2: return ((ClassDefFormat2*)this)->sanitize (vertex); +#ifndef HB_NO_BEYOND_64K + // Not currently supported + case 3: + case 4: +#endif + default: return false; + } + } +}; + + +struct class_def_size_estimator_t +{ + template + class_def_size_estimator_t (It glyph_and_class) + : gids_consecutive (true), num_ranges_per_class (), glyphs_per_class () + { + unsigned last_gid = (unsigned) -1; + for (auto p : + glyph_and_class) + { + unsigned gid = p.first; + unsigned klass = p.second; + + if (last_gid != (unsigned) -1 && gid != last_gid + 1) + gids_consecutive = false; + last_gid = gid; + + hb_set_t* glyphs; + if (glyphs_per_class.has (klass, &glyphs) && glyphs) { + glyphs->add (gid); + continue; + } + + hb_set_t new_glyphs; + new_glyphs.add (gid); + glyphs_per_class.set (klass, std::move (new_glyphs)); + } + + if (in_error ()) return; + + for (unsigned klass : glyphs_per_class.keys ()) + { + if (!klass) continue; // class 0 doesn't get encoded. + + const hb_set_t& glyphs = glyphs_per_class.get (klass); + hb_codepoint_t start = HB_SET_VALUE_INVALID; + hb_codepoint_t end = HB_SET_VALUE_INVALID; + + unsigned count = 0; + while (glyphs.next_range (&start, &end)) + count++; + + num_ranges_per_class.set (klass, count); + } + } + + // Incremental increase in the Coverage and ClassDef table size + // (worst case) if all glyphs associated with 'klass' were added. + unsigned incremental_coverage_size (unsigned klass) const + { + // Coverage takes 2 bytes per glyph worst case, + return 2 * glyphs_per_class.get (klass).get_population (); + } + + // Incremental increase in the Coverage and ClassDef table size + // (worst case) if all glyphs associated with 'klass' were added. + unsigned incremental_class_def_size (unsigned klass) const + { + // ClassDef takes 6 bytes per range + unsigned class_def_2_size = 6 * num_ranges_per_class.get (klass); + if (gids_consecutive) + { + // ClassDef1 takes 2 bytes per glyph, but only can be used + // when gids are consecutive. + return hb_min (2 * glyphs_per_class.get (klass).get_population (), class_def_2_size); + } + + return class_def_2_size; + } + + bool in_error () + { + if (num_ranges_per_class.in_error ()) return true; + if (glyphs_per_class.in_error ()) return true; + + for (const hb_set_t& s : glyphs_per_class.values ()) + { + if (s.in_error ()) return true; + } + return false; + } + + private: + bool gids_consecutive; + hb_hashmap_t num_ranges_per_class; + hb_hashmap_t glyphs_per_class; +}; + + +} + +#endif // GRAPH_CLASSDEF_GRAPH_HH diff --git a/src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh new file mode 100644 index 0000000000..49d0936315 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/coverage-graph.hh @@ -0,0 +1,152 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#include "graph.hh" +#include "../OT/Layout/Common/Coverage.hh" + +#ifndef GRAPH_COVERAGE_GRAPH_HH +#define GRAPH_COVERAGE_GRAPH_HH + +namespace graph { + +struct CoverageFormat1 : public OT::Layout::Common::CoverageFormat1_3 +{ + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + constexpr unsigned min_size = OT::Layout::Common::CoverageFormat1_3::min_size; + if (vertex_len < min_size) return false; + return vertex_len >= min_size + glyphArray.get_size () - glyphArray.len.get_size (); + } +}; + +struct CoverageFormat2 : public OT::Layout::Common::CoverageFormat2_4 +{ + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + constexpr unsigned min_size = OT::Layout::Common::CoverageFormat2_4::min_size; + if (vertex_len < min_size) return false; + return vertex_len >= min_size + rangeRecord.get_size () - rangeRecord.len.get_size (); + } +}; + +struct Coverage : public OT::Layout::Common::Coverage +{ + static Coverage* clone_coverage (gsubgpos_graph_context_t& c, + unsigned coverage_id, + unsigned new_parent_id, + unsigned link_position, + unsigned start, unsigned end) + + { + unsigned coverage_size = c.graph.vertices_[coverage_id].table_size (); + auto& coverage_v = c.graph.vertices_[coverage_id]; + Coverage* coverage_table = (Coverage*) coverage_v.obj.head; + if (!coverage_table || !coverage_table->sanitize (coverage_v)) + return nullptr; + + auto new_coverage = + + hb_zip (coverage_table->iter (), hb_range ()) + | hb_filter ([&] (hb_pair_t p) { + return p.second >= start && p.second < end; + }) + | hb_map_retains_sorting (hb_first) + ; + + return add_coverage (c, new_parent_id, link_position, new_coverage, coverage_size); + } + + template + static Coverage* add_coverage (gsubgpos_graph_context_t& c, + unsigned parent_id, + unsigned link_position, + It glyphs, + unsigned max_size) + { + unsigned coverage_prime_id = c.graph.new_node (nullptr, nullptr); + auto& coverage_prime_vertex = c.graph.vertices_[coverage_prime_id]; + if (!make_coverage (c, glyphs, coverage_prime_id, max_size)) + return nullptr; + + auto* coverage_link = c.graph.vertices_[parent_id].obj.real_links.push (); + coverage_link->width = SmallTypes::size; + coverage_link->objidx = coverage_prime_id; + coverage_link->position = link_position; + coverage_prime_vertex.parents.push (parent_id); + + return (Coverage*) coverage_prime_vertex.obj.head; + } + + template + static bool make_coverage (gsubgpos_graph_context_t& c, + It glyphs, + unsigned dest_obj, + unsigned max_size) + { + char* buffer = (char*) hb_calloc (1, max_size); + hb_serialize_context_t serializer (buffer, max_size); + OT::Layout::Common::Coverage_serialize (&serializer, glyphs); + serializer.end_serialize (); + if (serializer.in_error ()) + { + hb_free (buffer); + return false; + } + + hb_bytes_t coverage_copy = serializer.copy_bytes (); + c.add_buffer ((char *) coverage_copy.arrayZ); // Give ownership to the context, it will cleanup the buffer. + + auto& obj = c.graph.vertices_[dest_obj].obj; + obj.head = (char *) coverage_copy.arrayZ; + obj.tail = obj.head + coverage_copy.length; + + hb_free (buffer); + return true; + } + + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + if (vertex_len < OT::Layout::Common::Coverage::min_size) return false; + switch (u.format) + { + case 1: return ((CoverageFormat1*)this)->sanitize (vertex); + case 2: return ((CoverageFormat2*)this)->sanitize (vertex); +#ifndef HB_NO_BEYOND_64K + // Not currently supported + case 3: + case 4: +#endif + default: return false; + } + } +}; + + +} + +#endif // GRAPH_COVERAGE_GRAPH_HH diff --git a/src/3rdparty/harfbuzz-ng/src/graph/graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/graph.hh new file mode 100644 index 0000000000..dc5b6a36fe --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/graph.hh @@ -0,0 +1,1385 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#include "../hb-set.hh" +#include "../hb-priority-queue.hh" +#include "../hb-serialize.hh" + +#ifndef GRAPH_GRAPH_HH +#define GRAPH_GRAPH_HH + +namespace graph { + +/** + * Represents a serialized table in the form of a graph. + * Provides methods for modifying and reordering the graph. + */ +struct graph_t +{ + struct vertex_t + { + hb_serialize_context_t::object_t obj; + int64_t distance = 0 ; + int64_t space = 0 ; + hb_vector_t parents; + unsigned start = 0; + unsigned end = 0; + unsigned priority = 0; + + + bool link_positions_valid (unsigned num_objects, bool removed_nil) + { + hb_set_t assigned_bytes; + for (const auto& l : obj.real_links) + { + if (l.objidx >= num_objects + || (removed_nil && !l.objidx)) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + "Invalid graph. Invalid object index."); + return false; + } + + unsigned start = l.position; + unsigned end = start + l.width - 1; + + if (unlikely (l.width < 2 || l.width > 4)) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + "Invalid graph. Invalid link width."); + return false; + } + + if (unlikely (end >= table_size ())) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + "Invalid graph. Link position is out of bounds."); + return false; + } + + if (unlikely (assigned_bytes.intersects (start, end))) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + "Invalid graph. Found offsets whose positions overlap."); + return false; + } + + assigned_bytes.add_range (start, end); + } + + return !assigned_bytes.in_error (); + } + + void normalize () + { + obj.real_links.qsort (); + for (auto& l : obj.real_links) + { + for (unsigned i = 0; i < l.width; i++) + { + obj.head[l.position + i] = 0; + } + } + } + + bool equals (const vertex_t& other, + const graph_t& graph, + const graph_t& other_graph, + unsigned depth) const + { + if (!(as_bytes () == other.as_bytes ())) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + "vertex [%lu] bytes != [%lu] bytes, depth = %u", + (unsigned long) table_size (), + (unsigned long) other.table_size (), + depth); + + auto a = as_bytes (); + auto b = other.as_bytes (); + while (a || b) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + " 0x%x %s 0x%x", *a, (*a == *b) ? "==" : "!=", *b); + a++; + b++; + } + return false; + } + + return links_equal (obj.real_links, other.obj.real_links, graph, other_graph, depth); + } + + hb_bytes_t as_bytes () const + { + return hb_bytes_t (obj.head, table_size ()); + } + + friend void swap (vertex_t& a, vertex_t& b) + { + hb_swap (a.obj, b.obj); + hb_swap (a.distance, b.distance); + hb_swap (a.space, b.space); + hb_swap (a.parents, b.parents); + hb_swap (a.start, b.start); + hb_swap (a.end, b.end); + hb_swap (a.priority, b.priority); + } + + hb_hashmap_t + position_to_index_map () const + { + hb_hashmap_t result; + + for (const auto& l : obj.real_links) { + result.set (l.position, l.objidx); + } + + return result; + } + + bool is_shared () const + { + return parents.length > 1; + } + + unsigned incoming_edges () const + { + return parents.length; + } + + void remove_parent (unsigned parent_index) + { + for (unsigned i = 0; i < parents.length; i++) + { + if (parents[i] != parent_index) continue; + parents.remove_unordered (i); + break; + } + } + + void remove_real_link (unsigned child_index, const void* offset) + { + for (unsigned i = 0; i < obj.real_links.length; i++) + { + auto& link = obj.real_links.arrayZ[i]; + if (link.objidx != child_index) + continue; + + if ((obj.head + link.position) != offset) + continue; + + obj.real_links.remove_unordered (i); + return; + } + } + + void remap_parents (const hb_vector_t& id_map) + { + for (unsigned i = 0; i < parents.length; i++) + parents[i] = id_map[parents[i]]; + } + + void remap_parent (unsigned old_index, unsigned new_index) + { + for (unsigned i = 0; i < parents.length; i++) + { + if (parents[i] == old_index) + parents[i] = new_index; + } + } + + bool is_leaf () const + { + return !obj.real_links.length && !obj.virtual_links.length; + } + + bool raise_priority () + { + if (has_max_priority ()) return false; + priority++; + return true; + } + + bool has_max_priority () const { + return priority >= 3; + } + + size_t table_size () const { + return obj.tail - obj.head; + } + + int64_t modified_distance (unsigned order) const + { + // TODO(garretrieger): once priority is high enough, should try + // setting distance = 0 which will force to sort immediately after + // it's parent where possible. + + int64_t modified_distance = + hb_min (hb_max(distance + distance_modifier (), 0), 0x7FFFFFFFFFF); + if (has_max_priority ()) { + modified_distance = 0; + } + return (modified_distance << 18) | (0x003FFFF & order); + } + + int64_t distance_modifier () const + { + if (!priority) return 0; + int64_t table_size = obj.tail - obj.head; + + if (priority == 1) + return -table_size / 2; + + return -table_size; + } + + private: + bool links_equal (const hb_vector_t& this_links, + const hb_vector_t& other_links, + const graph_t& graph, + const graph_t& other_graph, + unsigned depth) const + { + auto a = this_links.iter (); + auto b = other_links.iter (); + + while (a && b) + { + const auto& link_a = *a; + const auto& link_b = *b; + + if (link_a.width != link_b.width || + link_a.is_signed != link_b.is_signed || + link_a.whence != link_b.whence || + link_a.position != link_b.position || + link_a.bias != link_b.bias) + return false; + + if (!graph.vertices_[link_a.objidx].equals ( + other_graph.vertices_[link_b.objidx], graph, other_graph, depth + 1)) + return false; + + a++; + b++; + } + + if (bool (a) != bool (b)) + return false; + + return true; + } + }; + + template + struct vertex_and_table_t + { + vertex_and_table_t () : index (0), vertex (nullptr), table (nullptr) + {} + + unsigned index; + vertex_t* vertex; + T* table; + + operator bool () { + return table && vertex; + } + }; + + /* + * A topological sorting of an object graph. Ordered + * in reverse serialization order (first object in the + * serialization is at the end of the list). This matches + * the 'packed' object stack used internally in the + * serializer + */ + template + graph_t (const T& objects) + : parents_invalid (true), + distance_invalid (true), + positions_invalid (true), + successful (true), + buffers () + { + num_roots_for_space_.push (1); + bool removed_nil = false; + vertices_.alloc (objects.length); + vertices_scratch_.alloc (objects.length); + for (unsigned i = 0; i < objects.length; i++) + { + // If this graph came from a serialization buffer object 0 is the + // nil object. We don't need it for our purposes here so drop it. + if (i == 0 && !objects[i]) + { + removed_nil = true; + continue; + } + + vertex_t* v = vertices_.push (); + if (check_success (!vertices_.in_error ())) + v->obj = *objects[i]; + + check_success (v->link_positions_valid (objects.length, removed_nil)); + + if (!removed_nil) continue; + // Fix indices to account for removed nil object. + for (auto& l : v->obj.all_links_writer ()) { + l.objidx--; + } + } + } + + ~graph_t () + { + vertices_.fini (); + for (char* b : buffers) + hb_free (b); + } + + bool operator== (const graph_t& other) const + { + return root ().equals (other.root (), *this, other, 0); + } + + // Sorts links of all objects in a consistent manner and zeroes all offsets. + void normalize () + { + for (auto& v : vertices_.writer ()) + v.normalize (); + } + + bool in_error () const + { + return !successful || + vertices_.in_error () || + num_roots_for_space_.in_error (); + } + + const vertex_t& root () const + { + return vertices_[root_idx ()]; + } + + unsigned root_idx () const + { + // Object graphs are in reverse order, the first object is at the end + // of the vector. Since the graph is topologically sorted it's safe to + // assume the first object has no incoming edges. + return vertices_.length - 1; + } + + const hb_serialize_context_t::object_t& object (unsigned i) const + { + return vertices_[i].obj; + } + + void add_buffer (char* buffer) + { + buffers.push (buffer); + } + + /* + * Adds a 16 bit link from parent_id to child_id + */ + template + void add_link (T* offset, + unsigned parent_id, + unsigned child_id) + { + auto& v = vertices_[parent_id]; + auto* link = v.obj.real_links.push (); + link->width = 2; + link->objidx = child_id; + link->position = (char*) offset - (char*) v.obj.head; + vertices_[child_id].parents.push (parent_id); + } + + /* + * Generates a new topological sorting of graph ordered by the shortest + * distance to each node if positions are marked as invalid. + */ + void sort_shortest_distance_if_needed () + { + if (!positions_invalid) return; + sort_shortest_distance (); + } + + + /* + * Generates a new topological sorting of graph ordered by the shortest + * distance to each node. + */ + void sort_shortest_distance () + { + positions_invalid = true; + + if (vertices_.length <= 1) { + // Graph of 1 or less doesn't need sorting. + return; + } + + update_distances (); + + hb_priority_queue_t queue; + hb_vector_t &sorted_graph = vertices_scratch_; + if (unlikely (!check_success (sorted_graph.resize (vertices_.length)))) return; + hb_vector_t id_map; + if (unlikely (!check_success (id_map.resize (vertices_.length)))) return; + + hb_vector_t removed_edges; + if (unlikely (!check_success (removed_edges.resize (vertices_.length)))) return; + update_parents (); + + queue.insert (root ().modified_distance (0), root_idx ()); + int new_id = root_idx (); + unsigned order = 1; + while (!queue.in_error () && !queue.is_empty ()) + { + unsigned next_id = queue.pop_minimum().second; + + hb_swap (sorted_graph[new_id], vertices_[next_id]); + const vertex_t& next = sorted_graph[new_id]; + + if (unlikely (!check_success(new_id >= 0))) { + // We are out of ids. Which means we've visited a node more than once. + // This graph contains a cycle which is not allowed. + DEBUG_MSG (SUBSET_REPACK, nullptr, "Invalid graph. Contains cycle."); + return; + } + + id_map[next_id] = new_id--; + + for (const auto& link : next.obj.all_links ()) { + removed_edges[link.objidx]++; + if (!(vertices_[link.objidx].incoming_edges () - removed_edges[link.objidx])) + // Add the order that the links were encountered to the priority. + // This ensures that ties between priorities objects are broken in a consistent + // way. More specifically this is set up so that if a set of objects have the same + // distance they'll be added to the topological order in the order that they are + // referenced from the parent object. + queue.insert (vertices_[link.objidx].modified_distance (order++), + link.objidx); + } + } + + check_success (!queue.in_error ()); + check_success (!sorted_graph.in_error ()); + + remap_all_obj_indices (id_map, &sorted_graph); + hb_swap (vertices_, sorted_graph); + + if (!check_success (new_id == -1)) + print_orphaned_nodes (); + } + + /* + * Finds the set of nodes (placed into roots) that should be assigned unique spaces. + * More specifically this looks for the top most 24 bit or 32 bit links in the graph. + * Some special casing is done that is specific to the layout of GSUB/GPOS tables. + */ + void find_space_roots (hb_set_t& visited, hb_set_t& roots) + { + int root_index = (int) root_idx (); + for (int i = root_index; i >= 0; i--) + { + if (visited.has (i)) continue; + + // Only real links can form 32 bit spaces + for (auto& l : vertices_[i].obj.real_links) + { + if (l.is_signed || l.width < 3) + continue; + + if (i == root_index && l.width == 3) + // Ignore 24bit links from the root node, this skips past the single 24bit + // pointer to the lookup list. + continue; + + if (l.width == 3) + { + // A 24bit offset forms a root, unless there is 32bit offsets somewhere + // in it's subgraph, then those become the roots instead. This is to make sure + // that extension subtables beneath a 24bit lookup become the spaces instead + // of the offset to the lookup. + hb_set_t sub_roots; + find_32bit_roots (l.objidx, sub_roots); + if (sub_roots) { + for (unsigned sub_root_idx : sub_roots) { + roots.add (sub_root_idx); + find_subgraph (sub_root_idx, visited); + } + continue; + } + } + + roots.add (l.objidx); + find_subgraph (l.objidx, visited); + } + } + } + + template + vertex_and_table_t as_table (unsigned parent, const void* offset, Ts... ds) + { + return as_table_from_index (index_for_offset (parent, offset), std::forward(ds)...); + } + + template + vertex_and_table_t as_mutable_table (unsigned parent, const void* offset, Ts... ds) + { + return as_table_from_index (mutable_index_for_offset (parent, offset), std::forward(ds)...); + } + + template + vertex_and_table_t as_table_from_index (unsigned index, Ts... ds) + { + if (index >= vertices_.length) + return vertex_and_table_t (); + + vertex_and_table_t r; + r.vertex = &vertices_[index]; + r.table = (T*) r.vertex->obj.head; + r.index = index; + if (!r.table) + return vertex_and_table_t (); + + if (!r.table->sanitize (*(r.vertex), std::forward(ds)...)) + return vertex_and_table_t (); + + return r; + } + + // Finds the object id of the object pointed to by the offset at 'offset' + // within object[node_idx]. + unsigned index_for_offset (unsigned node_idx, const void* offset) const + { + const auto& node = object (node_idx); + if (offset < node.head || offset >= node.tail) return -1; + + unsigned length = node.real_links.length; + for (unsigned i = 0; i < length; i++) + { + // Use direct access for increased performance, this is a hot method. + const auto& link = node.real_links.arrayZ[i]; + if (offset != node.head + link.position) + continue; + return link.objidx; + } + + return -1; + } + + // Finds the object id of the object pointed to by the offset at 'offset' + // within object[node_idx]. Ensures that the returned object is safe to mutate. + // That is, if the original child object is shared by parents other than node_idx + // it will be duplicated and the duplicate will be returned instead. + unsigned mutable_index_for_offset (unsigned node_idx, const void* offset) + { + unsigned child_idx = index_for_offset (node_idx, offset); + auto& child = vertices_[child_idx]; + for (unsigned p : child.parents) + { + if (p != node_idx) { + return duplicate (node_idx, child_idx); + } + } + + return child_idx; + } + + + /* + * Assign unique space numbers to each connected subgraph of 24 bit and/or 32 bit offset(s). + * Currently, this is implemented specifically tailored to the structure of a GPOS/GSUB + * (including with 24bit offsets) table. + */ + bool assign_spaces () + { + update_parents (); + + hb_set_t visited; + hb_set_t roots; + find_space_roots (visited, roots); + + // Mark everything not in the subgraphs of the roots as visited. This prevents + // subgraphs from being connected via nodes not in those subgraphs. + visited.invert (); + + if (!roots) return false; + + while (roots) + { + uint32_t next = HB_SET_VALUE_INVALID; + if (unlikely (!check_success (!roots.in_error ()))) break; + if (!roots.next (&next)) break; + + hb_set_t connected_roots; + find_connected_nodes (next, roots, visited, connected_roots); + if (unlikely (!check_success (!connected_roots.in_error ()))) break; + + isolate_subgraph (connected_roots); + if (unlikely (!check_success (!connected_roots.in_error ()))) break; + + unsigned next_space = this->next_space (); + num_roots_for_space_.push (0); + for (unsigned root : connected_roots) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, "Subgraph %u gets space %u", root, next_space); + vertices_[root].space = next_space; + num_roots_for_space_[next_space] = num_roots_for_space_[next_space] + 1; + distance_invalid = true; + positions_invalid = true; + } + + // TODO(grieger): special case for GSUB/GPOS use extension promotions to move 16 bit space + // into the 32 bit space as needed, instead of using isolation. + } + + + + return true; + } + + /* + * Isolates the subgraph of nodes reachable from root. Any links to nodes in the subgraph + * that originate from outside of the subgraph will be removed by duplicating the linked to + * object. + * + * Indices stored in roots will be updated if any of the roots are duplicated to new indices. + */ + bool isolate_subgraph (hb_set_t& roots) + { + update_parents (); + hb_map_t subgraph; + + // incoming edges to root_idx should be all 32 bit in length so we don't need to de-dup these + // set the subgraph incoming edge count to match all of root_idx's incoming edges + hb_set_t parents; + for (unsigned root_idx : roots) + { + subgraph.set (root_idx, wide_parents (root_idx, parents)); + find_subgraph (root_idx, subgraph); + } + + unsigned original_root_idx = root_idx (); + hb_map_t index_map; + bool made_changes = false; + for (auto entry : subgraph.iter ()) + { + const auto& node = vertices_[entry.first]; + unsigned subgraph_incoming_edges = entry.second; + + if (subgraph_incoming_edges < node.incoming_edges ()) + { + // Only de-dup objects with incoming links from outside the subgraph. + made_changes = true; + duplicate_subgraph (entry.first, index_map); + } + } + + if (!made_changes) + return false; + + if (original_root_idx != root_idx () + && parents.has (original_root_idx)) + { + // If the root idx has changed since parents was determined, update root idx in parents + parents.add (root_idx ()); + parents.del (original_root_idx); + } + + auto new_subgraph = + + subgraph.keys () + | hb_map([&] (uint32_t node_idx) { + const uint32_t *v; + if (index_map.has (node_idx, &v)) return *v; + return node_idx; + }) + ; + + remap_obj_indices (index_map, new_subgraph); + remap_obj_indices (index_map, parents.iter (), true); + + // Update roots set with new indices as needed. + uint32_t next = HB_SET_VALUE_INVALID; + while (roots.next (&next)) + { + const uint32_t *v; + if (index_map.has (next, &v)) + { + roots.del (next); + roots.add (*v); + } + } + + return true; + } + + void find_subgraph (unsigned node_idx, hb_map_t& subgraph) + { + for (const auto& link : vertices_[node_idx].obj.all_links ()) + { + const uint32_t *v; + if (subgraph.has (link.objidx, &v)) + { + subgraph.set (link.objidx, *v + 1); + continue; + } + subgraph.set (link.objidx, 1); + find_subgraph (link.objidx, subgraph); + } + } + + void find_subgraph (unsigned node_idx, hb_set_t& subgraph) + { + if (subgraph.has (node_idx)) return; + subgraph.add (node_idx); + for (const auto& link : vertices_[node_idx].obj.all_links ()) + find_subgraph (link.objidx, subgraph); + } + + size_t find_subgraph_size (unsigned node_idx, hb_set_t& subgraph, unsigned max_depth = -1) + { + if (subgraph.has (node_idx)) return 0; + subgraph.add (node_idx); + + const auto& o = vertices_[node_idx].obj; + size_t size = o.tail - o.head; + if (max_depth == 0) + return size; + + for (const auto& link : o.all_links ()) + size += find_subgraph_size (link.objidx, subgraph, max_depth - 1); + return size; + } + + /* + * Finds the topmost children of 32bit offsets in the subgraph starting + * at node_idx. Found indices are placed into 'found'. + */ + void find_32bit_roots (unsigned node_idx, hb_set_t& found) + { + for (const auto& link : vertices_[node_idx].obj.all_links ()) + { + if (!link.is_signed && link.width == 4) { + found.add (link.objidx); + continue; + } + find_32bit_roots (link.objidx, found); + } + } + + /* + * Moves the child of old_parent_idx pointed to by old_offset to a new + * vertex at the new_offset. + */ + template + void move_child (unsigned old_parent_idx, + const O* old_offset, + unsigned new_parent_idx, + const O* new_offset) + { + distance_invalid = true; + positions_invalid = true; + + auto& old_v = vertices_[old_parent_idx]; + auto& new_v = vertices_[new_parent_idx]; + + unsigned child_id = index_for_offset (old_parent_idx, + old_offset); + + auto* new_link = new_v.obj.real_links.push (); + new_link->width = O::static_size; + new_link->objidx = child_id; + new_link->position = (const char*) new_offset - (const char*) new_v.obj.head; + + auto& child = vertices_[child_id]; + child.parents.push (new_parent_idx); + + old_v.remove_real_link (child_id, old_offset); + child.remove_parent (old_parent_idx); + } + + /* + * duplicates all nodes in the subgraph reachable from node_idx. Does not re-assign + * links. index_map is updated with mappings from old id to new id. If a duplication has already + * been performed for a given index, then it will be skipped. + */ + void duplicate_subgraph (unsigned node_idx, hb_map_t& index_map) + { + if (index_map.has (node_idx)) + return; + + index_map.set (node_idx, duplicate (node_idx)); + for (const auto& l : object (node_idx).all_links ()) { + duplicate_subgraph (l.objidx, index_map); + } + } + + /* + * Creates a copy of node_idx and returns it's new index. + */ + unsigned duplicate (unsigned node_idx) + { + positions_invalid = true; + distance_invalid = true; + + auto* clone = vertices_.push (); + auto& child = vertices_[node_idx]; + if (vertices_.in_error ()) { + return -1; + } + + clone->obj.head = child.obj.head; + clone->obj.tail = child.obj.tail; + clone->distance = child.distance; + clone->space = child.space; + clone->parents.reset (); + + unsigned clone_idx = vertices_.length - 2; + for (const auto& l : child.obj.real_links) + { + clone->obj.real_links.push (l); + vertices_[l.objidx].parents.push (clone_idx); + } + for (const auto& l : child.obj.virtual_links) + { + clone->obj.virtual_links.push (l); + vertices_[l.objidx].parents.push (clone_idx); + } + + check_success (!clone->obj.real_links.in_error ()); + check_success (!clone->obj.virtual_links.in_error ()); + + // The last object is the root of the graph, so swap back the root to the end. + // The root's obj idx does change, however since it's root nothing else refers to it. + // all other obj idx's will be unaffected. + hb_swap (vertices_[vertices_.length - 2], *clone); + + // Since the root moved, update the parents arrays of all children on the root. + for (const auto& l : root ().obj.all_links ()) + vertices_[l.objidx].remap_parent (root_idx () - 1, root_idx ()); + + return clone_idx; + } + + /* + * Creates a copy of child and re-assigns the link from + * parent to the clone. The copy is a shallow copy, objects + * linked from child are not duplicated. + */ + unsigned duplicate_if_shared (unsigned parent_idx, unsigned child_idx) + { + unsigned new_idx = duplicate (parent_idx, child_idx); + if (new_idx == (unsigned) -1) return child_idx; + return new_idx; + } + + + /* + * Creates a copy of child and re-assigns the link from + * parent to the clone. The copy is a shallow copy, objects + * linked from child are not duplicated. + */ + unsigned duplicate (unsigned parent_idx, unsigned child_idx) + { + update_parents (); + + unsigned links_to_child = 0; + for (const auto& l : vertices_[parent_idx].obj.all_links ()) + { + if (l.objidx == child_idx) links_to_child++; + } + + if (vertices_[child_idx].incoming_edges () <= links_to_child) + { + // Can't duplicate this node, doing so would orphan the original one as all remaining links + // to child are from parent. + DEBUG_MSG (SUBSET_REPACK, nullptr, " Not duplicating %d => %d", + parent_idx, child_idx); + return -1; + } + + DEBUG_MSG (SUBSET_REPACK, nullptr, " Duplicating %d => %d", + parent_idx, child_idx); + + unsigned clone_idx = duplicate (child_idx); + if (clone_idx == (unsigned) -1) return false; + // duplicate shifts the root node idx, so if parent_idx was root update it. + if (parent_idx == clone_idx) parent_idx++; + + auto& parent = vertices_[parent_idx]; + for (auto& l : parent.obj.all_links_writer ()) + { + if (l.objidx != child_idx) + continue; + + reassign_link (l, parent_idx, clone_idx); + } + + return clone_idx; + } + + + /* + * Adds a new node to the graph, not connected to anything. + */ + unsigned new_node (char* head, char* tail) + { + positions_invalid = true; + distance_invalid = true; + + auto* clone = vertices_.push (); + if (vertices_.in_error ()) { + return -1; + } + + clone->obj.head = head; + clone->obj.tail = tail; + clone->distance = 0; + clone->space = 0; + + unsigned clone_idx = vertices_.length - 2; + + // The last object is the root of the graph, so swap back the root to the end. + // The root's obj idx does change, however since it's root nothing else refers to it. + // all other obj idx's will be unaffected. + hb_swap (vertices_[vertices_.length - 2], *clone); + + // Since the root moved, update the parents arrays of all children on the root. + for (const auto& l : root ().obj.all_links ()) + vertices_[l.objidx].remap_parent (root_idx () - 1, root_idx ()); + + return clone_idx; + } + + /* + * Raises the sorting priority of all children. + */ + bool raise_childrens_priority (unsigned parent_idx) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, " Raising priority of all children of %d", + parent_idx); + // This operation doesn't change ordering until a sort is run, so no need + // to invalidate positions. It does not change graph structure so no need + // to update distances or edge counts. + auto& parent = vertices_[parent_idx].obj; + bool made_change = false; + for (auto& l : parent.all_links_writer ()) + made_change |= vertices_[l.objidx].raise_priority (); + return made_change; + } + + bool is_fully_connected () + { + update_parents(); + + if (root().parents) + // Root cannot have parents. + return false; + + for (unsigned i = 0; i < root_idx (); i++) + { + if (!vertices_[i].parents) + return false; + } + return true; + } + +#if 0 + /* + * Saves the current graph to a packed binary format which the repacker fuzzer takes + * as a seed. + */ + void save_fuzzer_seed (hb_tag_t tag) const + { + FILE* f = fopen ("./repacker_fuzzer_seed", "w"); + fwrite ((void*) &tag, sizeof (tag), 1, f); + + uint16_t num_objects = vertices_.length; + fwrite ((void*) &num_objects, sizeof (num_objects), 1, f); + + for (const auto& v : vertices_) + { + uint16_t blob_size = v.table_size (); + fwrite ((void*) &blob_size, sizeof (blob_size), 1, f); + fwrite ((const void*) v.obj.head, blob_size, 1, f); + } + + uint16_t link_count = 0; + for (const auto& v : vertices_) + link_count += v.obj.real_links.length; + + fwrite ((void*) &link_count, sizeof (link_count), 1, f); + + typedef struct + { + uint16_t parent; + uint16_t child; + uint16_t position; + uint8_t width; + } link_t; + + for (unsigned i = 0; i < vertices_.length; i++) + { + for (const auto& l : vertices_[i].obj.real_links) + { + link_t link { + (uint16_t) i, (uint16_t) l.objidx, + (uint16_t) l.position, (uint8_t) l.width + }; + fwrite ((void*) &link, sizeof (link), 1, f); + } + } + + fclose (f); + } +#endif + + void print_orphaned_nodes () + { + if (!DEBUG_ENABLED(SUBSET_REPACK)) return; + + DEBUG_MSG (SUBSET_REPACK, nullptr, "Graph is not fully connected."); + parents_invalid = true; + update_parents(); + + if (root().parents) { + DEBUG_MSG (SUBSET_REPACK, nullptr, "Root node has incoming edges."); + } + + for (unsigned i = 0; i < root_idx (); i++) + { + const auto& v = vertices_[i]; + if (!v.parents) + DEBUG_MSG (SUBSET_REPACK, nullptr, "Node %u is orphaned.", i); + } + } + + unsigned num_roots_for_space (unsigned space) const + { + return num_roots_for_space_[space]; + } + + unsigned next_space () const + { + return num_roots_for_space_.length; + } + + void move_to_new_space (const hb_set_t& indices) + { + num_roots_for_space_.push (0); + unsigned new_space = num_roots_for_space_.length - 1; + + for (unsigned index : indices) { + auto& node = vertices_[index]; + num_roots_for_space_[node.space] = num_roots_for_space_[node.space] - 1; + num_roots_for_space_[new_space] = num_roots_for_space_[new_space] + 1; + node.space = new_space; + distance_invalid = true; + positions_invalid = true; + } + } + + unsigned space_for (unsigned index, unsigned* root = nullptr) const + { + const auto& node = vertices_[index]; + if (node.space) + { + if (root != nullptr) + *root = index; + return node.space; + } + + if (!node.parents) + { + if (root) + *root = index; + return 0; + } + + return space_for (node.parents[0], root); + } + + void err_other_error () { this->successful = false; } + + size_t total_size_in_bytes () const { + size_t total_size = 0; + for (unsigned i = 0; i < vertices_.length; i++) { + size_t size = vertices_[i].obj.tail - vertices_[i].obj.head; + total_size += size; + } + return total_size; + } + + + private: + + /* + * Returns the numbers of incoming edges that are 24 or 32 bits wide. + */ + unsigned wide_parents (unsigned node_idx, hb_set_t& parents) const + { + unsigned count = 0; + hb_set_t visited; + for (unsigned p : vertices_[node_idx].parents) + { + if (visited.has (p)) continue; + visited.add (p); + + // Only real links can be wide + for (const auto& l : vertices_[p].obj.real_links) + { + if (l.objidx == node_idx + && (l.width == 3 || l.width == 4) + && !l.is_signed) + { + count++; + parents.add (p); + } + } + } + return count; + } + + bool check_success (bool success) + { return this->successful && (success || ((void) err_other_error (), false)); } + + public: + /* + * Creates a map from objid to # of incoming edges. + */ + void update_parents () + { + if (!parents_invalid) return; + + for (unsigned i = 0; i < vertices_.length; i++) + vertices_[i].parents.reset (); + + for (unsigned p = 0; p < vertices_.length; p++) + { + for (auto& l : vertices_[p].obj.all_links ()) + { + vertices_[l.objidx].parents.push (p); + } + } + + for (unsigned i = 0; i < vertices_.length; i++) + // parents arrays must be accurate or downstream operations like cycle detection + // and sorting won't work correctly. + check_success (!vertices_[i].parents.in_error ()); + + parents_invalid = false; + } + + /* + * compute the serialized start and end positions for each vertex. + */ + void update_positions () + { + if (!positions_invalid) return; + + unsigned current_pos = 0; + for (int i = root_idx (); i >= 0; i--) + { + auto& v = vertices_[i]; + v.start = current_pos; + current_pos += v.obj.tail - v.obj.head; + v.end = current_pos; + } + + positions_invalid = false; + } + + /* + * Finds the distance to each object in the graph + * from the initial node. + */ + void update_distances () + { + if (!distance_invalid) return; + + // Uses Dijkstra's algorithm to find all of the shortest distances. + // https://en.wikipedia.org/wiki/Dijkstra%27s_algorithm + // + // Implementation Note: + // Since our priority queue doesn't support fast priority decreases + // we instead just add new entries into the queue when a priority changes. + // Redundant ones are filtered out later on by the visited set. + // According to https://www3.cs.stonybrook.edu/~rezaul/papers/TR-07-54.pdf + // for practical performance this is faster then using a more advanced queue + // (such as a fibonacci queue) with a fast decrease priority. + for (unsigned i = 0; i < vertices_.length; i++) + { + if (i == vertices_.length - 1) + vertices_[i].distance = 0; + else + vertices_[i].distance = hb_int_max (int64_t); + } + + hb_priority_queue_t queue; + queue.insert (0, vertices_.length - 1); + + hb_vector_t visited; + visited.resize (vertices_.length); + + while (!queue.in_error () && !queue.is_empty ()) + { + unsigned next_idx = queue.pop_minimum ().second; + if (visited[next_idx]) continue; + const auto& next = vertices_[next_idx]; + int64_t next_distance = vertices_[next_idx].distance; + visited[next_idx] = true; + + for (const auto& link : next.obj.all_links ()) + { + if (visited[link.objidx]) continue; + + const auto& child = vertices_[link.objidx].obj; + unsigned link_width = link.width ? link.width : 4; // treat virtual offsets as 32 bits wide + int64_t child_weight = (child.tail - child.head) + + ((int64_t) 1 << (link_width * 8)) * (vertices_[link.objidx].space + 1); + int64_t child_distance = next_distance + child_weight; + + if (child_distance < vertices_[link.objidx].distance) + { + vertices_[link.objidx].distance = child_distance; + queue.insert (child_distance, link.objidx); + } + } + } + + check_success (!queue.in_error ()); + if (!check_success (queue.is_empty ())) + { + print_orphaned_nodes (); + return; + } + + distance_invalid = false; + } + + private: + /* + * Updates a link in the graph to point to a different object. Corrects the + * parents vector on the previous and new child nodes. + */ + void reassign_link (hb_serialize_context_t::object_t::link_t& link, + unsigned parent_idx, + unsigned new_idx) + { + unsigned old_idx = link.objidx; + link.objidx = new_idx; + vertices_[old_idx].remove_parent (parent_idx); + vertices_[new_idx].parents.push (parent_idx); + } + + /* + * Updates all objidx's in all links using the provided mapping. Corrects incoming edge counts. + */ + template + void remap_obj_indices (const hb_map_t& id_map, + Iterator subgraph, + bool only_wide = false) + { + if (!id_map) return; + for (unsigned i : subgraph) + { + for (auto& link : vertices_[i].obj.all_links_writer ()) + { + const uint32_t *v; + if (!id_map.has (link.objidx, &v)) continue; + if (only_wide && !(link.width == 4 && !link.is_signed)) continue; + + reassign_link (link, i, *v); + } + } + } + + /* + * Updates all objidx's in all links using the provided mapping. + */ + void remap_all_obj_indices (const hb_vector_t& id_map, + hb_vector_t* sorted_graph) const + { + for (unsigned i = 0; i < sorted_graph->length; i++) + { + (*sorted_graph)[i].remap_parents (id_map); + for (auto& link : (*sorted_graph)[i].obj.all_links_writer ()) + { + link.objidx = id_map[link.objidx]; + } + } + } + + /* + * Finds all nodes in targets that are reachable from start_idx, nodes in visited will be skipped. + * For this search the graph is treated as being undirected. + * + * Connected targets will be added to connected and removed from targets. All visited nodes + * will be added to visited. + */ + void find_connected_nodes (unsigned start_idx, + hb_set_t& targets, + hb_set_t& visited, + hb_set_t& connected) + { + if (unlikely (!check_success (!visited.in_error ()))) return; + if (visited.has (start_idx)) return; + visited.add (start_idx); + + if (targets.has (start_idx)) + { + targets.del (start_idx); + connected.add (start_idx); + } + + const auto& v = vertices_[start_idx]; + + // Graph is treated as undirected so search children and parents of start_idx + for (const auto& l : v.obj.all_links ()) + find_connected_nodes (l.objidx, targets, visited, connected); + + for (unsigned p : v.parents) + find_connected_nodes (p, targets, visited, connected); + } + + public: + // TODO(garretrieger): make private, will need to move most of offset overflow code into graph. + hb_vector_t vertices_; + hb_vector_t vertices_scratch_; + private: + bool parents_invalid; + bool distance_invalid; + bool positions_invalid; + bool successful; + hb_vector_t num_roots_for_space_; + hb_vector_t buffers; +}; + +} + +#endif // GRAPH_GRAPH_HH diff --git a/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.cc b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.cc new file mode 100644 index 0000000000..b2044426d4 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.cc @@ -0,0 +1,70 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#include "gsubgpos-graph.hh" + +namespace graph { + +gsubgpos_graph_context_t::gsubgpos_graph_context_t (hb_tag_t table_tag_, + graph_t& graph_) + : table_tag (table_tag_), + graph (graph_), + lookup_list_index (0), + lookups () +{ + if (table_tag_ != HB_OT_TAG_GPOS + && table_tag_ != HB_OT_TAG_GSUB) + return; + + GSTAR* gstar = graph::GSTAR::graph_to_gstar (graph_); + if (gstar) { + gstar->find_lookups (graph, lookups); + lookup_list_index = gstar->get_lookup_list_index (graph_); + } +} + +unsigned gsubgpos_graph_context_t::create_node (unsigned size) +{ + char* buffer = (char*) hb_calloc (1, size); + if (!buffer) + return -1; + + add_buffer (buffer); + + return graph.new_node (buffer, buffer + size); +} + +unsigned gsubgpos_graph_context_t::num_non_ext_subtables () { + unsigned count = 0; + for (auto l : lookups.values ()) + { + if (l->is_extension (table_tag)) continue; + count += l->number_of_subtables (); + } + return count; +} + +} diff --git a/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.hh b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.hh new file mode 100644 index 0000000000..9fe9662e64 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-context.hh @@ -0,0 +1,61 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#include "graph.hh" +#include "../hb-ot-layout-gsubgpos.hh" + +#ifndef GRAPH_GSUBGPOS_CONTEXT_HH +#define GRAPH_GSUBGPOS_CONTEXT_HH + +namespace graph { + +struct Lookup; + +struct gsubgpos_graph_context_t +{ + hb_tag_t table_tag; + graph_t& graph; + unsigned lookup_list_index; + hb_hashmap_t lookups; + + + HB_INTERNAL gsubgpos_graph_context_t (hb_tag_t table_tag_, + graph_t& graph_); + + HB_INTERNAL unsigned create_node (unsigned size); + + void add_buffer (char* buffer) + { + graph.add_buffer (buffer); + } + + private: + HB_INTERNAL unsigned num_non_ext_subtables (); +}; + +} + +#endif // GRAPH_GSUBGPOS_CONTEXT diff --git a/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-graph.hh new file mode 100644 index 0000000000..c170638409 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/gsubgpos-graph.hh @@ -0,0 +1,414 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#include "graph.hh" +#include "../hb-ot-layout-gsubgpos.hh" +#include "../OT/Layout/GSUB/ExtensionSubst.hh" +#include "gsubgpos-context.hh" +#include "pairpos-graph.hh" +#include "markbasepos-graph.hh" + +#ifndef GRAPH_GSUBGPOS_GRAPH_HH +#define GRAPH_GSUBGPOS_GRAPH_HH + +namespace graph { + +struct Lookup; + +template +struct ExtensionFormat1 : public OT::ExtensionFormat1 +{ + void reset(unsigned type) + { + this->format = 1; + this->extensionLookupType = type; + this->extensionOffset = 0; + } + + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + return vertex_len >= OT::ExtensionFormat1::static_size; + } + + unsigned get_lookup_type () const + { + return this->extensionLookupType; + } + + unsigned get_subtable_index (graph_t& graph, unsigned this_index) const + { + return graph.index_for_offset (this_index, &this->extensionOffset); + } +}; + +struct Lookup : public OT::Lookup +{ + unsigned number_of_subtables () const + { + return subTable.len; + } + + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + if (vertex_len < OT::Lookup::min_size) return false; + return vertex_len >= this->get_size (); + } + + bool is_extension (hb_tag_t table_tag) const + { + return lookupType == extension_type (table_tag); + } + + bool make_extension (gsubgpos_graph_context_t& c, + unsigned this_index) + { + unsigned type = lookupType; + unsigned ext_type = extension_type (c.table_tag); + if (!ext_type || is_extension (c.table_tag)) + { + // NOOP + return true; + } + + DEBUG_MSG (SUBSET_REPACK, nullptr, + "Promoting lookup type %u (obj %u) to extension.", + type, + this_index); + + for (unsigned i = 0; i < subTable.len; i++) + { + unsigned subtable_index = c.graph.index_for_offset (this_index, &subTable[i]); + if (!make_subtable_extension (c, + this_index, + subtable_index)) + return false; + } + + lookupType = ext_type; + return true; + } + + bool split_subtables_if_needed (gsubgpos_graph_context_t& c, + unsigned this_index) + { + unsigned type = lookupType; + bool is_ext = is_extension (c.table_tag); + + if (c.table_tag != HB_OT_TAG_GPOS) + return true; + + if (!is_ext && + type != OT::Layout::GPOS_impl::PosLookupSubTable::Type::Pair && + type != OT::Layout::GPOS_impl::PosLookupSubTable::Type::MarkBase) + return true; + + hb_vector_t>> all_new_subtables; + for (unsigned i = 0; i < subTable.len; i++) + { + unsigned subtable_index = c.graph.index_for_offset (this_index, &subTable[i]); + unsigned parent_index = this_index; + if (is_ext) { + unsigned ext_subtable_index = subtable_index; + parent_index = ext_subtable_index; + ExtensionFormat1* extension = + (ExtensionFormat1*) + c.graph.object (ext_subtable_index).head; + if (!extension || !extension->sanitize (c.graph.vertices_[ext_subtable_index])) + continue; + + subtable_index = extension->get_subtable_index (c.graph, ext_subtable_index); + type = extension->get_lookup_type (); + if (type != OT::Layout::GPOS_impl::PosLookupSubTable::Type::Pair + && type != OT::Layout::GPOS_impl::PosLookupSubTable::Type::MarkBase) + continue; + } + + hb_vector_t new_sub_tables; + switch (type) + { + case 2: + new_sub_tables = split_subtable (c, parent_index, subtable_index); break; + case 4: + new_sub_tables = split_subtable (c, parent_index, subtable_index); break; + default: + break; + } + if (new_sub_tables.in_error ()) return false; + if (!new_sub_tables) continue; + hb_pair_t>* entry = all_new_subtables.push (); + entry->first = i; + entry->second = std::move (new_sub_tables); + } + + if (all_new_subtables) { + add_sub_tables (c, this_index, type, all_new_subtables); + } + + return true; + } + + template + hb_vector_t split_subtable (gsubgpos_graph_context_t& c, + unsigned parent_idx, + unsigned objidx) + { + T* sub_table = (T*) c.graph.object (objidx).head; + if (!sub_table || !sub_table->sanitize (c.graph.vertices_[objidx])) + return hb_vector_t (); + + return sub_table->split_subtables (c, parent_idx, objidx); + } + + void add_sub_tables (gsubgpos_graph_context_t& c, + unsigned this_index, + unsigned type, + hb_vector_t>>& subtable_ids) + { + bool is_ext = is_extension (c.table_tag); + auto& v = c.graph.vertices_[this_index]; + fix_existing_subtable_links (c, this_index, subtable_ids); + + unsigned new_subtable_count = 0; + for (const auto& p : subtable_ids) + new_subtable_count += p.second.length; + + size_t new_size = v.table_size () + + new_subtable_count * OT::Offset16::static_size; + char* buffer = (char*) hb_calloc (1, new_size); + c.add_buffer (buffer); + hb_memcpy (buffer, v.obj.head, v.table_size()); + + v.obj.head = buffer; + v.obj.tail = buffer + new_size; + + Lookup* new_lookup = (Lookup*) buffer; + + unsigned shift = 0; + new_lookup->subTable.len = subTable.len + new_subtable_count; + for (const auto& p : subtable_ids) + { + unsigned offset_index = p.first + shift + 1; + shift += p.second.length; + + for (unsigned subtable_id : p.second) + { + if (is_ext) + { + unsigned ext_id = create_extension_subtable (c, subtable_id, type); + c.graph.vertices_[subtable_id].parents.push (ext_id); + subtable_id = ext_id; + } + + auto* link = v.obj.real_links.push (); + link->width = 2; + link->objidx = subtable_id; + link->position = (char*) &new_lookup->subTable[offset_index++] - + (char*) new_lookup; + c.graph.vertices_[subtable_id].parents.push (this_index); + } + } + + // Repacker sort order depends on link order, which we've messed up so resort it. + v.obj.real_links.qsort (); + + // The head location of the lookup has changed, invalidating the lookups map entry + // in the context. Update the map. + c.lookups.set (this_index, new_lookup); + } + + void fix_existing_subtable_links (gsubgpos_graph_context_t& c, + unsigned this_index, + hb_vector_t>>& subtable_ids) + { + auto& v = c.graph.vertices_[this_index]; + Lookup* lookup = (Lookup*) v.obj.head; + + unsigned shift = 0; + for (const auto& p : subtable_ids) + { + unsigned insert_index = p.first + shift; + unsigned pos_offset = p.second.length * OT::Offset16::static_size; + unsigned insert_offset = (char*) &lookup->subTable[insert_index] - (char*) lookup; + shift += p.second.length; + + for (auto& l : v.obj.all_links_writer ()) + { + if (l.position > insert_offset) l.position += pos_offset; + } + } + } + + unsigned create_extension_subtable (gsubgpos_graph_context_t& c, + unsigned subtable_index, + unsigned type) + { + unsigned extension_size = OT::ExtensionFormat1::static_size; + + unsigned ext_index = c.create_node (extension_size); + if (ext_index == (unsigned) -1) + return -1; + + auto& ext_vertex = c.graph.vertices_[ext_index]; + ExtensionFormat1* extension = + (ExtensionFormat1*) ext_vertex.obj.head; + extension->reset (type); + + // Make extension point at the subtable. + auto* l = ext_vertex.obj.real_links.push (); + + l->width = 4; + l->objidx = subtable_index; + l->position = 4; + + return ext_index; + } + + bool make_subtable_extension (gsubgpos_graph_context_t& c, + unsigned lookup_index, + unsigned subtable_index) + { + unsigned type = lookupType; + + unsigned ext_index = create_extension_subtable(c, subtable_index, type); + if (ext_index == (unsigned) -1) + return false; + + auto& lookup_vertex = c.graph.vertices_[lookup_index]; + for (auto& l : lookup_vertex.obj.real_links.writer ()) + { + if (l.objidx == subtable_index) + // Change lookup to point at the extension. + l.objidx = ext_index; + } + + // Make extension point at the subtable. + auto& ext_vertex = c.graph.vertices_[ext_index]; + auto& subtable_vertex = c.graph.vertices_[subtable_index]; + ext_vertex.parents.push (lookup_index); + subtable_vertex.remap_parent (lookup_index, ext_index); + + return true; + } + + private: + unsigned extension_type (hb_tag_t table_tag) const + { + switch (table_tag) + { + case HB_OT_TAG_GPOS: return 9; + case HB_OT_TAG_GSUB: return 7; + default: return 0; + } + } +}; + +template +struct LookupList : public OT::LookupList +{ + bool sanitize (const graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + if (vertex_len < OT::LookupList::min_size) return false; + return vertex_len >= OT::LookupList::item_size * this->len; + } +}; + +struct GSTAR : public OT::GSUBGPOS +{ + static GSTAR* graph_to_gstar (graph_t& graph) + { + const auto& r = graph.root (); + + GSTAR* gstar = (GSTAR*) r.obj.head; + if (!gstar || !gstar->sanitize (r)) + return nullptr; + + return gstar; + } + + const void* get_lookup_list_field_offset () const + { + switch (u.version.major) { + case 1: return u.version1.get_lookup_list_offset (); +#ifndef HB_NO_BEYOND_64K + case 2: return u.version2.get_lookup_list_offset (); +#endif + default: return 0; + } + } + + bool sanitize (const graph_t::vertex_t& vertex) + { + int64_t len = vertex.obj.tail - vertex.obj.head; + if (len < OT::GSUBGPOS::min_size) return false; + return len >= get_size (); + } + + void find_lookups (graph_t& graph, + hb_hashmap_t& lookups /* OUT */) + { + switch (u.version.major) { + case 1: find_lookups (graph, lookups); break; +#ifndef HB_NO_BEYOND_64K + case 2: find_lookups (graph, lookups); break; +#endif + } + } + + unsigned get_lookup_list_index (graph_t& graph) + { + return graph.index_for_offset (graph.root_idx (), + get_lookup_list_field_offset()); + } + + template + void find_lookups (graph_t& graph, + hb_hashmap_t& lookups /* OUT */) + { + unsigned lookup_list_idx = get_lookup_list_index (graph); + const LookupList* lookupList = + (const LookupList*) graph.object (lookup_list_idx).head; + if (!lookupList || !lookupList->sanitize (graph.vertices_[lookup_list_idx])) + return; + + for (unsigned i = 0; i < lookupList->len; i++) + { + unsigned lookup_idx = graph.index_for_offset (lookup_list_idx, &(lookupList->arrayZ[i])); + Lookup* lookup = (Lookup*) graph.object (lookup_idx).head; + if (!lookup || !lookup->sanitize (graph.vertices_[lookup_idx])) continue; + lookups.set (lookup_idx, lookup); + } + } +}; + + + + +} + +#endif /* GRAPH_GSUBGPOS_GRAPH_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/graph/markbasepos-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/markbasepos-graph.hh new file mode 100644 index 0000000000..84ef5f71b9 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/markbasepos-graph.hh @@ -0,0 +1,510 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#ifndef GRAPH_MARKBASEPOS_GRAPH_HH +#define GRAPH_MARKBASEPOS_GRAPH_HH + +#include "split-helpers.hh" +#include "coverage-graph.hh" +#include "../OT/Layout/GPOS/MarkBasePos.hh" +#include "../OT/Layout/GPOS/PosLookupSubTable.hh" + +namespace graph { + +struct AnchorMatrix : public OT::Layout::GPOS_impl::AnchorMatrix +{ + bool sanitize (graph_t::vertex_t& vertex, unsigned class_count) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + if (vertex_len < AnchorMatrix::min_size) return false; + + return vertex_len >= AnchorMatrix::min_size + + OT::Offset16::static_size * class_count * this->rows; + } + + bool shrink (gsubgpos_graph_context_t& c, + unsigned this_index, + unsigned old_class_count, + unsigned new_class_count) + { + if (new_class_count >= old_class_count) return false; + auto& o = c.graph.vertices_[this_index].obj; + unsigned base_count = rows; + o.tail = o.head + + AnchorMatrix::min_size + + OT::Offset16::static_size * base_count * new_class_count; + + // Reposition links into the new indexing scheme. + for (auto& link : o.real_links.writer ()) + { + unsigned index = (link.position - 2) / 2; + unsigned base = index / old_class_count; + unsigned klass = index % old_class_count; + if (klass >= new_class_count) + // should have already been removed + return false; + + unsigned new_index = base * new_class_count + klass; + + link.position = (char*) &(this->matrixZ[new_index]) - (char*) this; + } + + return true; + } + + unsigned clone (gsubgpos_graph_context_t& c, + unsigned this_index, + unsigned start, + unsigned end, + unsigned class_count) + { + unsigned base_count = rows; + unsigned new_class_count = end - start; + unsigned size = AnchorMatrix::min_size + + OT::Offset16::static_size * new_class_count * rows; + unsigned prime_id = c.create_node (size); + if (prime_id == (unsigned) -1) return -1; + AnchorMatrix* prime = (AnchorMatrix*) c.graph.object (prime_id).head; + prime->rows = base_count; + + auto& o = c.graph.vertices_[this_index].obj; + int num_links = o.real_links.length; + for (int i = 0; i < num_links; i++) + { + const auto& link = o.real_links[i]; + unsigned old_index = (link.position - 2) / OT::Offset16::static_size; + unsigned klass = old_index % class_count; + if (klass < start || klass >= end) continue; + + unsigned base = old_index / class_count; + unsigned new_klass = klass - start; + unsigned new_index = base * new_class_count + new_klass; + + + unsigned child_idx = link.objidx; + c.graph.add_link (&(prime->matrixZ[new_index]), + prime_id, + child_idx); + + auto& child = c.graph.vertices_[child_idx]; + child.remove_parent (this_index); + + o.real_links.remove_unordered (i); + num_links--; + i--; + } + + return prime_id; + } +}; + +struct MarkArray : public OT::Layout::GPOS_impl::MarkArray +{ + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + unsigned min_size = MarkArray::min_size; + if (vertex_len < min_size) return false; + + return vertex_len >= get_size (); + } + + bool shrink (gsubgpos_graph_context_t& c, + const hb_hashmap_t& mark_array_links, + unsigned this_index, + unsigned new_class_count) + { + auto& o = c.graph.vertices_[this_index].obj; + for (const auto& link : o.real_links) + c.graph.vertices_[link.objidx].remove_parent (this_index); + o.real_links.reset (); + + unsigned new_index = 0; + for (const auto& record : this->iter ()) + { + unsigned klass = record.klass; + if (klass >= new_class_count) continue; + + (*this)[new_index].klass = klass; + unsigned position = (char*) &record.markAnchor - (char*) this; + unsigned* objidx; + if (!mark_array_links.has (position, &objidx)) + { + new_index++; + continue; + } + + c.graph.add_link (&(*this)[new_index].markAnchor, this_index, *objidx); + new_index++; + } + + this->len = new_index; + o.tail = o.head + MarkArray::min_size + + OT::Layout::GPOS_impl::MarkRecord::static_size * new_index; + return true; + } + + unsigned clone (gsubgpos_graph_context_t& c, + unsigned this_index, + const hb_hashmap_t& pos_to_index, + hb_set_t& marks, + unsigned start_class) + { + unsigned size = MarkArray::min_size + + OT::Layout::GPOS_impl::MarkRecord::static_size * + marks.get_population (); + unsigned prime_id = c.create_node (size); + if (prime_id == (unsigned) -1) return -1; + MarkArray* prime = (MarkArray*) c.graph.object (prime_id).head; + prime->len = marks.get_population (); + + + unsigned i = 0; + for (hb_codepoint_t mark : marks) + { + (*prime)[i].klass = (*this)[mark].klass - start_class; + unsigned offset_pos = (char*) &((*this)[mark].markAnchor) - (char*) this; + unsigned* anchor_index; + if (pos_to_index.has (offset_pos, &anchor_index)) + c.graph.move_child (this_index, + &((*this)[mark].markAnchor), + prime_id, + &((*prime)[i].markAnchor)); + + i++; + } + + return prime_id; + } +}; + +struct MarkBasePosFormat1 : public OT::Layout::GPOS_impl::MarkBasePosFormat1_2 +{ + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + return vertex_len >= MarkBasePosFormat1::static_size; + } + + hb_vector_t split_subtables (gsubgpos_graph_context_t& c, + unsigned parent_index, + unsigned this_index) + { + hb_set_t visited; + + const unsigned base_coverage_id = c.graph.index_for_offset (this_index, &baseCoverage); + const unsigned base_size = + OT::Layout::GPOS_impl::PairPosFormat1_3::min_size + + MarkArray::min_size + + AnchorMatrix::min_size + + c.graph.vertices_[base_coverage_id].table_size (); + + hb_vector_t class_to_info = get_class_info (c, this_index); + + unsigned class_count = classCount; + auto base_array = c.graph.as_table (this_index, + &baseArray, + class_count); + if (!base_array) return hb_vector_t (); + unsigned base_count = base_array.table->rows; + + unsigned partial_coverage_size = 4; + unsigned accumulated = base_size; + hb_vector_t split_points; + + for (unsigned klass = 0; klass < class_count; klass++) + { + class_info_t& info = class_to_info[klass]; + partial_coverage_size += OT::HBUINT16::static_size * info.marks.get_population (); + unsigned accumulated_delta = + OT::Layout::GPOS_impl::MarkRecord::static_size * info.marks.get_population () + + OT::Offset16::static_size * base_count; + + for (unsigned objidx : info.child_indices) + accumulated_delta += c.graph.find_subgraph_size (objidx, visited); + + accumulated += accumulated_delta; + unsigned total = accumulated + partial_coverage_size; + + if (total >= (1 << 16)) + { + split_points.push (klass); + accumulated = base_size + accumulated_delta; + partial_coverage_size = 4 + OT::HBUINT16::static_size * info.marks.get_population (); + visited.clear (); // node sharing isn't allowed between splits. + } + } + + + const unsigned mark_array_id = c.graph.index_for_offset (this_index, &markArray); + split_context_t split_context { + c, + this, + c.graph.duplicate_if_shared (parent_index, this_index), + std::move (class_to_info), + c.graph.vertices_[mark_array_id].position_to_index_map (), + }; + + return actuate_subtable_split (split_context, split_points); + } + + private: + + struct class_info_t { + hb_set_t marks; + hb_vector_t child_indices; + }; + + struct split_context_t { + gsubgpos_graph_context_t& c; + MarkBasePosFormat1* thiz; + unsigned this_index; + hb_vector_t class_to_info; + hb_hashmap_t mark_array_links; + + hb_set_t marks_for (unsigned start, unsigned end) + { + hb_set_t marks; + for (unsigned klass = start; klass < end; klass++) + { + + class_to_info[klass].marks.iter () + | hb_sink (marks) + ; + } + return marks; + } + + unsigned original_count () + { + return thiz->classCount; + } + + unsigned clone_range (unsigned start, unsigned end) + { + return thiz->clone_range (*this, this->this_index, start, end); + } + + bool shrink (unsigned count) + { + return thiz->shrink (*this, this->this_index, count); + } + }; + + hb_vector_t get_class_info (gsubgpos_graph_context_t& c, + unsigned this_index) + { + hb_vector_t class_to_info; + + unsigned class_count= classCount; + class_to_info.resize (class_count); + + auto mark_array = c.graph.as_table (this_index, &markArray); + if (!mark_array) return hb_vector_t (); + unsigned mark_count = mark_array.table->len; + for (unsigned mark = 0; mark < mark_count; mark++) + { + unsigned klass = (*mark_array.table)[mark].get_class (); + class_to_info[klass].marks.add (mark); + } + + for (const auto& link : mark_array.vertex->obj.real_links) + { + unsigned mark = (link.position - 2) / + OT::Layout::GPOS_impl::MarkRecord::static_size; + unsigned klass = (*mark_array.table)[mark].get_class (); + class_to_info[klass].child_indices.push (link.objidx); + } + + unsigned base_array_id = + c.graph.index_for_offset (this_index, &baseArray); + auto& base_array_v = c.graph.vertices_[base_array_id]; + + for (const auto& link : base_array_v.obj.real_links) + { + unsigned index = (link.position - 2) / OT::Offset16::static_size; + unsigned klass = index % class_count; + class_to_info[klass].child_indices.push (link.objidx); + } + + return class_to_info; + } + + bool shrink (split_context_t& sc, + unsigned this_index, + unsigned count) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + " Shrinking MarkBasePosFormat1 (%u) to [0, %u).", + this_index, + count); + + unsigned old_count = classCount; + if (count >= old_count) + return true; + + classCount = count; + + auto mark_coverage = sc.c.graph.as_mutable_table (this_index, + &markCoverage); + if (!mark_coverage) return false; + hb_set_t marks = sc.marks_for (0, count); + auto new_coverage = + + hb_enumerate (mark_coverage.table->iter ()) + | hb_filter (marks, hb_first) + | hb_map_retains_sorting (hb_second) + ; + if (!Coverage::make_coverage (sc.c, + new_coverage, + mark_coverage.index, + 4 + 2 * marks.get_population ())) + return false; + + + auto base_array = sc.c.graph.as_mutable_table (this_index, + &baseArray, + old_count); + if (!base_array || !base_array.table->shrink (sc.c, + base_array.index, + old_count, + count)) + return false; + + auto mark_array = sc.c.graph.as_mutable_table (this_index, + &markArray); + if (!mark_array || !mark_array.table->shrink (sc.c, + sc.mark_array_links, + mark_array.index, + count)) + return false; + + return true; + } + + // Create a new MarkBasePos that has all of the data for classes from [start, end). + unsigned clone_range (split_context_t& sc, + unsigned this_index, + unsigned start, unsigned end) const + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + " Cloning MarkBasePosFormat1 (%u) range [%u, %u).", this_index, start, end); + + graph_t& graph = sc.c.graph; + unsigned prime_size = OT::Layout::GPOS_impl::MarkBasePosFormat1_2::static_size; + + unsigned prime_id = sc.c.create_node (prime_size); + if (prime_id == (unsigned) -1) return -1; + + MarkBasePosFormat1* prime = (MarkBasePosFormat1*) graph.object (prime_id).head; + prime->format = this->format; + unsigned new_class_count = end - start; + prime->classCount = new_class_count; + + unsigned base_coverage_id = + graph.index_for_offset (sc.this_index, &baseCoverage); + graph.add_link (&(prime->baseCoverage), prime_id, base_coverage_id); + graph.duplicate (prime_id, base_coverage_id); + + auto mark_coverage = sc.c.graph.as_table (this_index, + &markCoverage); + if (!mark_coverage) return false; + hb_set_t marks = sc.marks_for (start, end); + auto new_coverage = + + hb_enumerate (mark_coverage.table->iter ()) + | hb_filter (marks, hb_first) + | hb_map_retains_sorting (hb_second) + ; + if (!Coverage::add_coverage (sc.c, + prime_id, + 2, + + new_coverage, + marks.get_population () * 2 + 4)) + return -1; + + auto mark_array = + graph.as_table (sc.this_index, &markArray); + if (!mark_array) return -1; + unsigned new_mark_array = + mark_array.table->clone (sc.c, + mark_array.index, + sc.mark_array_links, + marks, + start); + graph.add_link (&(prime->markArray), prime_id, new_mark_array); + + unsigned class_count = classCount; + auto base_array = + graph.as_table (sc.this_index, &baseArray, class_count); + if (!base_array) return -1; + unsigned new_base_array = + base_array.table->clone (sc.c, + base_array.index, + start, end, this->classCount); + graph.add_link (&(prime->baseArray), prime_id, new_base_array); + + return prime_id; + } +}; + + +struct MarkBasePos : public OT::Layout::GPOS_impl::MarkBasePos +{ + hb_vector_t split_subtables (gsubgpos_graph_context_t& c, + unsigned parent_index, + unsigned this_index) + { + switch (u.format) { + case 1: + return ((MarkBasePosFormat1*)(&u.format1))->split_subtables (c, parent_index, this_index); +#ifndef HB_NO_BEYOND_64K + case 2: HB_FALLTHROUGH; + // Don't split 24bit PairPos's. +#endif + default: + return hb_vector_t (); + } + } + + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + if (vertex_len < u.format.get_size ()) return false; + + switch (u.format) { + case 1: + return ((MarkBasePosFormat1*)(&u.format1))->sanitize (vertex); +#ifndef HB_NO_BEYOND_64K + case 2: HB_FALLTHROUGH; +#endif + default: + // We don't handle format 3 and 4 here. + return false; + } + } +}; + + +} + +#endif // GRAPH_MARKBASEPOS_GRAPH_HH diff --git a/src/3rdparty/harfbuzz-ng/src/graph/pairpos-graph.hh b/src/3rdparty/harfbuzz-ng/src/graph/pairpos-graph.hh new file mode 100644 index 0000000000..1c13eb24f9 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/pairpos-graph.hh @@ -0,0 +1,647 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#ifndef GRAPH_PAIRPOS_GRAPH_HH +#define GRAPH_PAIRPOS_GRAPH_HH + +#include "split-helpers.hh" +#include "coverage-graph.hh" +#include "classdef-graph.hh" +#include "../OT/Layout/GPOS/PairPos.hh" +#include "../OT/Layout/GPOS/PosLookupSubTable.hh" + +namespace graph { + +struct PairPosFormat1 : public OT::Layout::GPOS_impl::PairPosFormat1_3 +{ + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + unsigned min_size = OT::Layout::GPOS_impl::PairPosFormat1_3::min_size; + if (vertex_len < min_size) return false; + + return vertex_len >= + min_size + pairSet.get_size () - pairSet.len.get_size(); + } + + hb_vector_t split_subtables (gsubgpos_graph_context_t& c, + unsigned parent_index, + unsigned this_index) + { + hb_set_t visited; + + const unsigned coverage_id = c.graph.index_for_offset (this_index, &coverage); + const unsigned coverage_size = c.graph.vertices_[coverage_id].table_size (); + const unsigned base_size = OT::Layout::GPOS_impl::PairPosFormat1_3::min_size; + + unsigned partial_coverage_size = 4; + unsigned accumulated = base_size; + hb_vector_t split_points; + for (unsigned i = 0; i < pairSet.len; i++) + { + unsigned pair_set_index = pair_set_graph_index (c, this_index, i); + unsigned accumulated_delta = + c.graph.find_subgraph_size (pair_set_index, visited) + + SmallTypes::size; // for PairSet offset. + partial_coverage_size += OT::HBUINT16::static_size; + + accumulated += accumulated_delta; + unsigned total = accumulated + hb_min (partial_coverage_size, coverage_size); + + if (total >= (1 << 16)) + { + split_points.push (i); + accumulated = base_size + accumulated_delta; + partial_coverage_size = 6; + visited.clear (); // node sharing isn't allowed between splits. + } + } + + split_context_t split_context { + c, + this, + c.graph.duplicate_if_shared (parent_index, this_index), + }; + + return actuate_subtable_split (split_context, split_points); + } + + private: + + struct split_context_t { + gsubgpos_graph_context_t& c; + PairPosFormat1* thiz; + unsigned this_index; + + unsigned original_count () + { + return thiz->pairSet.len; + } + + unsigned clone_range (unsigned start, unsigned end) + { + return thiz->clone_range (this->c, this->this_index, start, end); + } + + bool shrink (unsigned count) + { + return thiz->shrink (this->c, this->this_index, count); + } + }; + + bool shrink (gsubgpos_graph_context_t& c, + unsigned this_index, + unsigned count) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + " Shrinking PairPosFormat1 (%u) to [0, %u).", + this_index, + count); + unsigned old_count = pairSet.len; + if (count >= old_count) + return true; + + pairSet.len = count; + c.graph.vertices_[this_index].obj.tail -= (old_count - count) * SmallTypes::size; + + auto coverage = c.graph.as_mutable_table (this_index, &this->coverage); + if (!coverage) return false; + + unsigned coverage_size = coverage.vertex->table_size (); + auto new_coverage = + + hb_zip (coverage.table->iter (), hb_range ()) + | hb_filter ([&] (hb_pair_t p) { + return p.second < count; + }) + | hb_map_retains_sorting (hb_first) + ; + + return Coverage::make_coverage (c, new_coverage, coverage.index, coverage_size); + } + + // Create a new PairPos including PairSet's from start (inclusive) to end (exclusive). + // Returns object id of the new object. + unsigned clone_range (gsubgpos_graph_context_t& c, + unsigned this_index, + unsigned start, unsigned end) const + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + " Cloning PairPosFormat1 (%u) range [%u, %u).", this_index, start, end); + + unsigned num_pair_sets = end - start; + unsigned prime_size = OT::Layout::GPOS_impl::PairPosFormat1_3::min_size + + num_pair_sets * SmallTypes::size; + + unsigned pair_pos_prime_id = c.create_node (prime_size); + if (pair_pos_prime_id == (unsigned) -1) return -1; + + PairPosFormat1* pair_pos_prime = (PairPosFormat1*) c.graph.object (pair_pos_prime_id).head; + pair_pos_prime->format = this->format; + pair_pos_prime->valueFormat[0] = this->valueFormat[0]; + pair_pos_prime->valueFormat[1] = this->valueFormat[1]; + pair_pos_prime->pairSet.len = num_pair_sets; + + for (unsigned i = start; i < end; i++) + { + c.graph.move_child<> (this_index, + &pairSet[i], + pair_pos_prime_id, + &pair_pos_prime->pairSet[i - start]); + } + + unsigned coverage_id = c.graph.index_for_offset (this_index, &coverage); + if (!Coverage::clone_coverage (c, + coverage_id, + pair_pos_prime_id, + 2, + start, end)) + return -1; + + return pair_pos_prime_id; + } + + + + unsigned pair_set_graph_index (gsubgpos_graph_context_t& c, unsigned this_index, unsigned i) const + { + return c.graph.index_for_offset (this_index, &pairSet[i]); + } +}; + +struct PairPosFormat2 : public OT::Layout::GPOS_impl::PairPosFormat2_4 +{ + bool sanitize (graph_t::vertex_t& vertex) const + { + size_t vertex_len = vertex.table_size (); + unsigned min_size = OT::Layout::GPOS_impl::PairPosFormat2_4::min_size; + if (vertex_len < min_size) return false; + + const unsigned class1_count = class1Count; + return vertex_len >= + min_size + class1_count * get_class1_record_size (); + } + + hb_vector_t split_subtables (gsubgpos_graph_context_t& c, + unsigned parent_index, + unsigned this_index) + { + const unsigned base_size = OT::Layout::GPOS_impl::PairPosFormat2_4::min_size; + const unsigned class_def_2_size = size_of (c, this_index, &classDef2); + const Coverage* coverage = get_coverage (c, this_index); + const ClassDef* class_def_1 = get_class_def_1 (c, this_index); + auto gid_and_class = + + coverage->iter () + | hb_map_retains_sorting ([&] (hb_codepoint_t gid) { + return hb_pair_t (gid, class_def_1->get_class (gid)); + }) + ; + class_def_size_estimator_t estimator (gid_and_class); + + const unsigned class1_count = class1Count; + const unsigned class2_count = class2Count; + const unsigned class1_record_size = get_class1_record_size (); + + const unsigned value_1_len = valueFormat1.get_len (); + const unsigned value_2_len = valueFormat2.get_len (); + const unsigned total_value_len = value_1_len + value_2_len; + + unsigned accumulated = base_size; + unsigned coverage_size = 4; + unsigned class_def_1_size = 4; + unsigned max_coverage_size = coverage_size; + unsigned max_class_def_1_size = class_def_1_size; + + hb_vector_t split_points; + + hb_hashmap_t device_tables = get_all_device_tables (c, this_index); + hb_vector_t format1_device_table_indices = valueFormat1.get_device_table_indices (); + hb_vector_t format2_device_table_indices = valueFormat2.get_device_table_indices (); + bool has_device_tables = bool(format1_device_table_indices) || bool(format2_device_table_indices); + + hb_set_t visited; + for (unsigned i = 0; i < class1_count; i++) + { + unsigned accumulated_delta = class1_record_size; + coverage_size += estimator.incremental_coverage_size (i); + class_def_1_size += estimator.incremental_class_def_size (i); + max_coverage_size = hb_max (max_coverage_size, coverage_size); + max_class_def_1_size = hb_max (max_class_def_1_size, class_def_1_size); + + if (has_device_tables) { + for (unsigned j = 0; j < class2_count; j++) + { + unsigned value1_index = total_value_len * (class2_count * i + j); + unsigned value2_index = value1_index + value_1_len; + accumulated_delta += size_of_value_record_children (c, + device_tables, + format1_device_table_indices, + value1_index, + visited); + accumulated_delta += size_of_value_record_children (c, + device_tables, + format2_device_table_indices, + value2_index, + visited); + } + } + + accumulated += accumulated_delta; + unsigned total = accumulated + + coverage_size + class_def_1_size + class_def_2_size + // The largest object will pack last and can exceed the size limit. + - hb_max (hb_max (coverage_size, class_def_1_size), class_def_2_size); + if (total >= (1 << 16)) + { + split_points.push (i); + // split does not include i, so add the size for i when we reset the size counters. + accumulated = base_size + accumulated_delta; + coverage_size = 4 + estimator.incremental_coverage_size (i); + class_def_1_size = 4 + estimator.incremental_class_def_size (i); + visited.clear (); // node sharing isn't allowed between splits. + } + } + + split_context_t split_context { + c, + this, + c.graph.duplicate_if_shared (parent_index, this_index), + class1_record_size, + total_value_len, + value_1_len, + value_2_len, + max_coverage_size, + max_class_def_1_size, + device_tables, + format1_device_table_indices, + format2_device_table_indices + }; + + return actuate_subtable_split (split_context, split_points); + } + private: + + struct split_context_t + { + gsubgpos_graph_context_t& c; + PairPosFormat2* thiz; + unsigned this_index; + unsigned class1_record_size; + unsigned value_record_len; + unsigned value1_record_len; + unsigned value2_record_len; + unsigned max_coverage_size; + unsigned max_class_def_size; + + const hb_hashmap_t& device_tables; + const hb_vector_t& format1_device_table_indices; + const hb_vector_t& format2_device_table_indices; + + unsigned original_count () + { + return thiz->class1Count; + } + + unsigned clone_range (unsigned start, unsigned end) + { + return thiz->clone_range (*this, start, end); + } + + bool shrink (unsigned count) + { + return thiz->shrink (*this, count); + } + }; + + size_t get_class1_record_size () const + { + const size_t class2_count = class2Count; + return + class2_count * (valueFormat1.get_size () + valueFormat2.get_size ()); + } + + unsigned clone_range (split_context_t& split_context, + unsigned start, unsigned end) const + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + " Cloning PairPosFormat2 (%u) range [%u, %u).", split_context.this_index, start, end); + + graph_t& graph = split_context.c.graph; + + unsigned num_records = end - start; + unsigned prime_size = OT::Layout::GPOS_impl::PairPosFormat2_4::min_size + + num_records * split_context.class1_record_size; + + unsigned pair_pos_prime_id = split_context.c.create_node (prime_size); + if (pair_pos_prime_id == (unsigned) -1) return -1; + + PairPosFormat2* pair_pos_prime = + (PairPosFormat2*) graph.object (pair_pos_prime_id).head; + pair_pos_prime->format = this->format; + pair_pos_prime->valueFormat1 = this->valueFormat1; + pair_pos_prime->valueFormat2 = this->valueFormat2; + pair_pos_prime->class1Count = num_records; + pair_pos_prime->class2Count = this->class2Count; + clone_class1_records (split_context, + pair_pos_prime_id, + start, + end); + + unsigned coverage_id = + graph.index_for_offset (split_context.this_index, &coverage); + unsigned class_def_1_id = + graph.index_for_offset (split_context.this_index, &classDef1); + auto& coverage_v = graph.vertices_[coverage_id]; + auto& class_def_1_v = graph.vertices_[class_def_1_id]; + Coverage* coverage_table = (Coverage*) coverage_v.obj.head; + ClassDef* class_def_1_table = (ClassDef*) class_def_1_v.obj.head; + if (!coverage_table + || !coverage_table->sanitize (coverage_v) + || !class_def_1_table + || !class_def_1_table->sanitize (class_def_1_v)) + return -1; + + auto klass_map = + + coverage_table->iter () + | hb_map_retains_sorting ([&] (hb_codepoint_t gid) { + return hb_pair_t (gid, class_def_1_table->get_class (gid)); + }) + | hb_filter ([&] (hb_codepoint_t klass) { + return klass >= start && klass < end; + }, hb_second) + | hb_map_retains_sorting ([&] (hb_pair_t gid_and_class) { + // Classes must be from 0...N so subtract start + return hb_pair_t (gid_and_class.first, gid_and_class.second - start); + }) + ; + + if (!Coverage::add_coverage (split_context.c, + pair_pos_prime_id, + 2, + + klass_map | hb_map_retains_sorting (hb_first), + split_context.max_coverage_size)) + return -1; + + // classDef1 + if (!ClassDef::add_class_def (split_context.c, + pair_pos_prime_id, + 8, + + klass_map, + split_context.max_class_def_size)) + return -1; + + // classDef2 + unsigned class_def_2_id = + graph.index_for_offset (split_context.this_index, &classDef2); + auto* class_def_link = graph.vertices_[pair_pos_prime_id].obj.real_links.push (); + class_def_link->width = SmallTypes::size; + class_def_link->objidx = class_def_2_id; + class_def_link->position = 10; + graph.vertices_[class_def_2_id].parents.push (pair_pos_prime_id); + graph.duplicate (pair_pos_prime_id, class_def_2_id); + + return pair_pos_prime_id; + } + + void clone_class1_records (split_context_t& split_context, + unsigned pair_pos_prime_id, + unsigned start, unsigned end) const + { + PairPosFormat2* pair_pos_prime = + (PairPosFormat2*) split_context.c.graph.object (pair_pos_prime_id).head; + + char* start_addr = ((char*)&values[0]) + start * split_context.class1_record_size; + unsigned num_records = end - start; + hb_memcpy (&pair_pos_prime->values[0], + start_addr, + num_records * split_context.class1_record_size); + + if (!split_context.format1_device_table_indices + && !split_context.format2_device_table_indices) + // No device tables to move over. + return; + + unsigned class2_count = class2Count; + for (unsigned i = start; i < end; i++) + { + for (unsigned j = 0; j < class2_count; j++) + { + unsigned value1_index = split_context.value_record_len * (class2_count * i + j); + unsigned value2_index = value1_index + split_context.value1_record_len; + + unsigned new_value1_index = split_context.value_record_len * (class2_count * (i - start) + j); + unsigned new_value2_index = new_value1_index + split_context.value1_record_len; + + transfer_device_tables (split_context, + pair_pos_prime_id, + split_context.format1_device_table_indices, + value1_index, + new_value1_index); + + transfer_device_tables (split_context, + pair_pos_prime_id, + split_context.format2_device_table_indices, + value2_index, + new_value2_index); + } + } + } + + void transfer_device_tables (split_context_t& split_context, + unsigned pair_pos_prime_id, + const hb_vector_t& device_table_indices, + unsigned old_value_record_index, + unsigned new_value_record_index) const + { + PairPosFormat2* pair_pos_prime = + (PairPosFormat2*) split_context.c.graph.object (pair_pos_prime_id).head; + + for (unsigned i : device_table_indices) + { + OT::Offset16* record = (OT::Offset16*) &values[old_value_record_index + i]; + unsigned record_position = ((char*) record) - ((char*) this); + if (!split_context.device_tables.has (record_position)) continue; + + split_context.c.graph.move_child ( + split_context.this_index, + record, + pair_pos_prime_id, + (OT::Offset16*) &pair_pos_prime->values[new_value_record_index + i]); + } + } + + bool shrink (split_context_t& split_context, + unsigned count) + { + DEBUG_MSG (SUBSET_REPACK, nullptr, + " Shrinking PairPosFormat2 (%u) to [0, %u).", + split_context.this_index, + count); + unsigned old_count = class1Count; + if (count >= old_count) + return true; + + graph_t& graph = split_context.c.graph; + class1Count = count; + graph.vertices_[split_context.this_index].obj.tail -= + (old_count - count) * split_context.class1_record_size; + + auto coverage = + graph.as_mutable_table (split_context.this_index, &this->coverage); + if (!coverage) return false; + + auto class_def_1 = + graph.as_mutable_table (split_context.this_index, &classDef1); + if (!class_def_1) return false; + + auto klass_map = + + coverage.table->iter () + | hb_map_retains_sorting ([&] (hb_codepoint_t gid) { + return hb_pair_t (gid, class_def_1.table->get_class (gid)); + }) + | hb_filter ([&] (hb_codepoint_t klass) { + return klass < count; + }, hb_second) + ; + + auto new_coverage = + klass_map | hb_map_retains_sorting (hb_first); + if (!Coverage::make_coverage (split_context.c, + + new_coverage, + coverage.index, + // existing ranges my not be kept, worst case size is a format 1 + // coverage table. + 4 + new_coverage.len() * 2)) + return false; + + return ClassDef::make_class_def (split_context.c, + + klass_map, + class_def_1.index, + class_def_1.vertex->table_size ()); + } + + hb_hashmap_t + get_all_device_tables (gsubgpos_graph_context_t& c, + unsigned this_index) const + { + const auto& v = c.graph.vertices_[this_index]; + return v.position_to_index_map (); + } + + const Coverage* get_coverage (gsubgpos_graph_context_t& c, + unsigned this_index) const + { + unsigned coverage_id = c.graph.index_for_offset (this_index, &coverage); + auto& coverage_v = c.graph.vertices_[coverage_id]; + + Coverage* coverage_table = (Coverage*) coverage_v.obj.head; + if (!coverage_table || !coverage_table->sanitize (coverage_v)) + return &Null(Coverage); + return coverage_table; + } + + const ClassDef* get_class_def_1 (gsubgpos_graph_context_t& c, + unsigned this_index) const + { + unsigned class_def_1_id = c.graph.index_for_offset (this_index, &classDef1); + auto& class_def_1_v = c.graph.vertices_[class_def_1_id]; + + ClassDef* class_def_1_table = (ClassDef*) class_def_1_v.obj.head; + if (!class_def_1_table || !class_def_1_table->sanitize (class_def_1_v)) + return &Null(ClassDef); + return class_def_1_table; + } + + unsigned size_of_value_record_children (gsubgpos_graph_context_t& c, + const hb_hashmap_t& device_tables, + const hb_vector_t device_table_indices, + unsigned value_record_index, + hb_set_t& visited) + { + unsigned size = 0; + for (unsigned i : device_table_indices) + { + OT::Layout::GPOS_impl::Value* record = &values[value_record_index + i]; + unsigned record_position = ((char*) record) - ((char*) this); + unsigned* obj_idx; + if (!device_tables.has (record_position, &obj_idx)) continue; + size += c.graph.find_subgraph_size (*obj_idx, visited); + } + return size; + } + + unsigned size_of (gsubgpos_graph_context_t& c, + unsigned this_index, + const void* offset) const + { + const unsigned id = c.graph.index_for_offset (this_index, offset); + return c.graph.vertices_[id].table_size (); + } +}; + +struct PairPos : public OT::Layout::GPOS_impl::PairPos +{ + hb_vector_t split_subtables (gsubgpos_graph_context_t& c, + unsigned parent_index, + unsigned this_index) + { + switch (u.format) { + case 1: + return ((PairPosFormat1*)(&u.format1))->split_subtables (c, parent_index, this_index); + case 2: + return ((PairPosFormat2*)(&u.format2))->split_subtables (c, parent_index, this_index); +#ifndef HB_NO_BEYOND_64K + case 3: HB_FALLTHROUGH; + case 4: HB_FALLTHROUGH; + // Don't split 24bit PairPos's. +#endif + default: + return hb_vector_t (); + } + } + + bool sanitize (graph_t::vertex_t& vertex) const + { + int64_t vertex_len = vertex.obj.tail - vertex.obj.head; + if (vertex_len < u.format.get_size ()) return false; + + switch (u.format) { + case 1: + return ((PairPosFormat1*)(&u.format1))->sanitize (vertex); + case 2: + return ((PairPosFormat2*)(&u.format2))->sanitize (vertex); +#ifndef HB_NO_BEYOND_64K + case 3: HB_FALLTHROUGH; + case 4: HB_FALLTHROUGH; +#endif + default: + // We don't handle format 3 and 4 here. + return false; + } + } +}; + +} + +#endif // GRAPH_PAIRPOS_GRAPH_HH diff --git a/src/3rdparty/harfbuzz-ng/src/graph/serialize.hh b/src/3rdparty/harfbuzz-ng/src/graph/serialize.hh new file mode 100644 index 0000000000..d03a61bd19 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/serialize.hh @@ -0,0 +1,270 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#ifndef GRAPH_SERIALIZE_HH +#define GRAPH_SERIALIZE_HH + +namespace graph { + +struct overflow_record_t +{ + unsigned parent; + unsigned child; + + bool operator != (const overflow_record_t o) const + { return !(*this == o); } + + inline bool operator == (const overflow_record_t& o) const + { + return parent == o.parent && + child == o.child; + } + + inline uint32_t hash () const + { + uint32_t current = 0; + current = current * 31 + hb_hash (parent); + current = current * 31 + hb_hash (child); + return current; + } +}; + +inline +int64_t compute_offset ( + const graph_t& graph, + unsigned parent_idx, + const hb_serialize_context_t::object_t::link_t& link) +{ + const auto& parent = graph.vertices_[parent_idx]; + const auto& child = graph.vertices_[link.objidx]; + int64_t offset = 0; + switch ((hb_serialize_context_t::whence_t) link.whence) { + case hb_serialize_context_t::whence_t::Head: + offset = child.start - parent.start; break; + case hb_serialize_context_t::whence_t::Tail: + offset = child.start - parent.end; break; + case hb_serialize_context_t::whence_t::Absolute: + offset = child.start; break; + } + + assert (offset >= link.bias); + offset -= link.bias; + return offset; +} + +inline +bool is_valid_offset (int64_t offset, + const hb_serialize_context_t::object_t::link_t& link) +{ + if (unlikely (!link.width)) + // Virtual links can't overflow. + return link.is_signed || offset >= 0; + + if (link.is_signed) + { + if (link.width == 4) + return offset >= -((int64_t) 1 << 31) && offset < ((int64_t) 1 << 31); + else + return offset >= -(1 << 15) && offset < (1 << 15); + } + else + { + if (link.width == 4) + return offset >= 0 && offset < ((int64_t) 1 << 32); + else if (link.width == 3) + return offset >= 0 && offset < ((int32_t) 1 << 24); + else + return offset >= 0 && offset < (1 << 16); + } +} + +/* + * Will any offsets overflow on graph when it's serialized? + */ +inline bool +will_overflow (graph_t& graph, + hb_vector_t* overflows = nullptr) +{ + if (overflows) overflows->resize (0); + graph.update_positions (); + + hb_hashmap_t record_set; + const auto& vertices = graph.vertices_; + for (int parent_idx = vertices.length - 1; parent_idx >= 0; parent_idx--) + { + // Don't need to check virtual links for overflow + for (const auto& link : vertices[parent_idx].obj.real_links) + { + int64_t offset = compute_offset (graph, parent_idx, link); + if (is_valid_offset (offset, link)) + continue; + + if (!overflows) return true; + + overflow_record_t r; + r.parent = parent_idx; + r.child = link.objidx; + if (record_set.has(&r)) continue; // don't keep duplicate overflows. + + overflows->push (r); + record_set.set(&r, true); + } + } + + if (!overflows) return false; + return overflows->length; +} + +inline +void print_overflows (graph_t& graph, + const hb_vector_t& overflows) +{ + if (!DEBUG_ENABLED(SUBSET_REPACK)) return; + + graph.update_parents (); + int limit = 10; + for (const auto& o : overflows) + { + if (!limit--) break; + const auto& parent = graph.vertices_[o.parent]; + const auto& child = graph.vertices_[o.child]; + DEBUG_MSG (SUBSET_REPACK, nullptr, + " overflow from " + "%4d (%4d in, %4d out, space %2d) => " + "%4d (%4d in, %4d out, space %2d)", + o.parent, + parent.incoming_edges (), + parent.obj.real_links.length + parent.obj.virtual_links.length, + graph.space_for (o.parent), + o.child, + child.incoming_edges (), + child.obj.real_links.length + child.obj.virtual_links.length, + graph.space_for (o.child)); + } + if (overflows.length > 10) { + DEBUG_MSG (SUBSET_REPACK, nullptr, " ... plus %d more overflows.", overflows.length - 10); + } +} + +template inline void +serialize_link_of_type (const hb_serialize_context_t::object_t::link_t& link, + char* head, + hb_serialize_context_t* c) +{ + OT::Offset* offset = reinterpret_cast*> (head + link.position); + *offset = 0; + c->add_link (*offset, + // serializer has an extra nil object at the start of the + // object array. So all id's are +1 of what our id's are. + link.objidx + 1, + (hb_serialize_context_t::whence_t) link.whence, + link.bias); +} + +inline +void serialize_link (const hb_serialize_context_t::object_t::link_t& link, + char* head, + hb_serialize_context_t* c) +{ + switch (link.width) + { + case 0: + // Virtual links aren't serialized. + return; + case 4: + if (link.is_signed) + { + serialize_link_of_type (link, head, c); + } else { + serialize_link_of_type (link, head, c); + } + return; + case 2: + if (link.is_signed) + { + serialize_link_of_type (link, head, c); + } else { + serialize_link_of_type (link, head, c); + } + return; + case 3: + serialize_link_of_type (link, head, c); + return; + default: + // Unexpected link width. + assert (0); + } +} + +/* + * serialize graph into the provided serialization buffer. + */ +inline hb_blob_t* serialize (const graph_t& graph) +{ + hb_vector_t buffer; + size_t size = graph.total_size_in_bytes (); + if (!buffer.alloc (size)) { + DEBUG_MSG (SUBSET_REPACK, nullptr, "Unable to allocate output buffer."); + return nullptr; + } + hb_serialize_context_t c((void *) buffer, size); + + c.start_serialize (); + const auto& vertices = graph.vertices_; + for (unsigned i = 0; i < vertices.length; i++) { + c.push (); + + size_t size = vertices[i].obj.tail - vertices[i].obj.head; + char* start = c.allocate_size (size); + if (!start) { + DEBUG_MSG (SUBSET_REPACK, nullptr, "Buffer out of space."); + return nullptr; + } + + hb_memcpy (start, vertices[i].obj.head, size); + + // Only real links needs to be serialized. + for (const auto& link : vertices[i].obj.real_links) + serialize_link (link, start, &c); + + // All duplications are already encoded in the graph, so don't + // enable sharing during packing. + c.pop_pack (false); + } + c.end_serialize (); + + if (c.in_error ()) { + DEBUG_MSG (SUBSET_REPACK, nullptr, "Error during serialization. Err flag: %d", + c.errors); + return nullptr; + } + + return c.copy_blob (); +} + +} // namespace graph + +#endif // GRAPH_SERIALIZE_HH diff --git a/src/3rdparty/harfbuzz-ng/src/graph/split-helpers.hh b/src/3rdparty/harfbuzz-ng/src/graph/split-helpers.hh new file mode 100644 index 0000000000..61fd7c2d2f --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/split-helpers.hh @@ -0,0 +1,69 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#ifndef GRAPH_SPLIT_HELPERS_HH +#define GRAPH_SPLIT_HELPERS_HH + +namespace graph { + +template +HB_INTERNAL +hb_vector_t actuate_subtable_split (Context& split_context, + const hb_vector_t& split_points) +{ + hb_vector_t new_objects; + if (!split_points) + return new_objects; + + for (unsigned i = 0; i < split_points.length; i++) + { + unsigned start = split_points[i]; + unsigned end = (i < split_points.length - 1) + ? split_points[i + 1] + : split_context.original_count (); + unsigned id = split_context.clone_range (start, end); + + if (id == (unsigned) -1) + { + new_objects.reset (); + new_objects.allocated = -1; // mark error + return new_objects; + } + new_objects.push (id); + } + + if (!split_context.shrink (split_points[0])) + { + new_objects.reset (); + new_objects.allocated = -1; // mark error + } + + return new_objects; +} + +} + +#endif // GRAPH_SPLIT_HELPERS_HH diff --git a/src/3rdparty/harfbuzz-ng/src/graph/test-classdef-graph.cc b/src/3rdparty/harfbuzz-ng/src/graph/test-classdef-graph.cc new file mode 100644 index 0000000000..55854ff5c2 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/graph/test-classdef-graph.cc @@ -0,0 +1,119 @@ +/* + * Copyright © 2022 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Garret Rieger + */ + +#include "gsubgpos-context.hh" +#include "classdef-graph.hh" + +typedef hb_pair_t gid_and_class_t; +typedef hb_vector_t gid_and_class_list_t; + + +static bool incremental_size_is (const gid_and_class_list_t& list, unsigned klass, + unsigned cov_expected, unsigned class_def_expected) +{ + graph::class_def_size_estimator_t estimator (list.iter ()); + + unsigned result = estimator.incremental_coverage_size (klass); + if (result != cov_expected) + { + printf ("FAIL: coverage expected size %u but was %u\n", cov_expected, result); + return false; + } + + result = estimator.incremental_class_def_size (klass); + if (result != class_def_expected) + { + printf ("FAIL: class def expected size %u but was %u\n", class_def_expected, result); + return false; + } + + return true; +} + +static void test_class_and_coverage_size_estimates () +{ + gid_and_class_list_t empty = { + }; + assert (incremental_size_is (empty, 0, 0, 0)); + assert (incremental_size_is (empty, 1, 0, 0)); + + gid_and_class_list_t class_zero = { + {5, 0}, + }; + assert (incremental_size_is (class_zero, 0, 2, 0)); + + gid_and_class_list_t consecutive = { + {4, 0}, + {5, 0}, + {6, 1}, + {7, 1}, + {8, 2}, + {9, 2}, + {10, 2}, + {11, 2}, + }; + assert (incremental_size_is (consecutive, 0, 4, 0)); + assert (incremental_size_is (consecutive, 1, 4, 4)); + assert (incremental_size_is (consecutive, 2, 8, 6)); + + gid_and_class_list_t non_consecutive = { + {4, 0}, + {5, 0}, + + {6, 1}, + {7, 1}, + + {9, 2}, + {10, 2}, + {11, 2}, + {12, 2}, + }; + assert (incremental_size_is (non_consecutive, 0, 4, 0)); + assert (incremental_size_is (non_consecutive, 1, 4, 6)); + assert (incremental_size_is (non_consecutive, 2, 8, 6)); + + gid_and_class_list_t multiple_ranges = { + {4, 0}, + {5, 0}, + + {6, 1}, + {7, 1}, + + {9, 1}, + + {11, 1}, + {12, 1}, + {13, 1}, + }; + assert (incremental_size_is (multiple_ranges, 0, 4, 0)); + assert (incremental_size_is (multiple_ranges, 1, 2 * 6, 3 * 6)); +} + +int +main (int argc, char **argv) +{ + test_class_and_coverage_size_estimates (); +} diff --git a/src/3rdparty/harfbuzz-ng/src/harfbuzz-subset.cc b/src/3rdparty/harfbuzz-ng/src/harfbuzz-subset.cc new file mode 100644 index 0000000000..a43485e6fb --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/harfbuzz-subset.cc @@ -0,0 +1,57 @@ +#include "graph/gsubgpos-context.cc" +#include "hb-aat-layout.cc" +#include "hb-aat-map.cc" +#include "hb-blob.cc" +#include "hb-buffer-serialize.cc" +#include "hb-buffer-verify.cc" +#include "hb-buffer.cc" +#include "hb-common.cc" +#include "hb-draw.cc" +#include "hb-face.cc" +#include "hb-fallback-shape.cc" +#include "hb-font.cc" +#include "hb-map.cc" +#include "hb-number.cc" +#include "hb-ot-cff1-table.cc" +#include "hb-ot-cff2-table.cc" +#include "hb-ot-color.cc" +#include "hb-ot-face.cc" +#include "hb-ot-font.cc" +#include "hb-ot-layout.cc" +#include "hb-ot-map.cc" +#include "hb-ot-math.cc" +#include "hb-ot-meta.cc" +#include "hb-ot-metrics.cc" +#include "hb-ot-name.cc" +#include "hb-ot-shape-fallback.cc" +#include "hb-ot-shape-normalize.cc" +#include "hb-ot-shape.cc" +#include "hb-ot-shaper-arabic.cc" +#include "hb-ot-shaper-default.cc" +#include "hb-ot-shaper-hangul.cc" +#include "hb-ot-shaper-hebrew.cc" +#include "hb-ot-shaper-indic-table.cc" +#include "hb-ot-shaper-indic.cc" +#include "hb-ot-shaper-khmer.cc" +#include "hb-ot-shaper-myanmar.cc" +#include "hb-ot-shaper-syllabic.cc" +#include "hb-ot-shaper-thai.cc" +#include "hb-ot-shaper-use.cc" +#include "hb-ot-shaper-vowel-constraints.cc" +#include "hb-ot-tag.cc" +#include "hb-ot-var.cc" +#include "hb-set.cc" +#include "hb-shape-plan.cc" +#include "hb-shape.cc" +#include "hb-shaper.cc" +#include "hb-static.cc" +#include "hb-style.cc" +#include "hb-subset-cff-common.cc" +#include "hb-subset-cff1.cc" +#include "hb-subset-cff2.cc" +#include "hb-subset-input.cc" +#include "hb-subset-plan.cc" +#include "hb-subset-repacker.cc" +#include "hb-subset.cc" +#include "hb-ucd.cc" +#include "hb-unicode.cc" diff --git a/src/3rdparty/harfbuzz-ng/src/harfbuzz.cc b/src/3rdparty/harfbuzz-ng/src/harfbuzz.cc index b6a5957c42..fe4e21db07 100644 --- a/src/3rdparty/harfbuzz-ng/src/harfbuzz.cc +++ b/src/3rdparty/harfbuzz-ng/src/harfbuzz.cc @@ -5,10 +5,16 @@ #include "hb-buffer-verify.cc" #include "hb-buffer.cc" #include "hb-common.cc" +#include "hb-coretext.cc" +#include "hb-directwrite.cc" #include "hb-draw.cc" #include "hb-face.cc" #include "hb-fallback-shape.cc" #include "hb-font.cc" +#include "hb-ft.cc" +#include "hb-gdi.cc" +#include "hb-glib.cc" +#include "hb-graphite2.cc" #include "hb-map.cc" #include "hb-number.cc" #include "hb-ot-cff1-table.cc" @@ -22,21 +28,21 @@ #include "hb-ot-meta.cc" #include "hb-ot-metrics.cc" #include "hb-ot-name.cc" -#include "hb-ot-shape-complex-arabic.cc" -#include "hb-ot-shape-complex-default.cc" -#include "hb-ot-shape-complex-hangul.cc" -#include "hb-ot-shape-complex-hebrew.cc" -#include "hb-ot-shape-complex-indic-table.cc" -#include "hb-ot-shape-complex-indic.cc" -#include "hb-ot-shape-complex-khmer.cc" -#include "hb-ot-shape-complex-myanmar.cc" -#include "hb-ot-shape-complex-syllabic.cc" -#include "hb-ot-shape-complex-thai.cc" -#include "hb-ot-shape-complex-use.cc" -#include "hb-ot-shape-complex-vowel-constraints.cc" #include "hb-ot-shape-fallback.cc" #include "hb-ot-shape-normalize.cc" #include "hb-ot-shape.cc" +#include "hb-ot-shaper-arabic.cc" +#include "hb-ot-shaper-default.cc" +#include "hb-ot-shaper-hangul.cc" +#include "hb-ot-shaper-hebrew.cc" +#include "hb-ot-shaper-indic-table.cc" +#include "hb-ot-shaper-indic.cc" +#include "hb-ot-shaper-khmer.cc" +#include "hb-ot-shaper-myanmar.cc" +#include "hb-ot-shaper-syllabic.cc" +#include "hb-ot-shaper-thai.cc" +#include "hb-ot-shaper-use.cc" +#include "hb-ot-shaper-vowel-constraints.cc" #include "hb-ot-tag.cc" #include "hb-ot-var.cc" #include "hb-set.cc" @@ -47,10 +53,4 @@ #include "hb-style.cc" #include "hb-ucd.cc" #include "hb-unicode.cc" -#include "hb-glib.cc" -#include "hb-ft.cc" -#include "hb-graphite2.cc" #include "hb-uniscribe.cc" -#include "hb-gdi.cc" -#include "hb-directwrite.cc" -#include "hb-coretext.cc" diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-bsln-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-bsln-table.hh index b52844e75d..bf12d2e699 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-bsln-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-bsln-table.hh @@ -42,7 +42,7 @@ struct BaselineTableFormat0Part bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } protected: @@ -78,7 +78,7 @@ struct BaselineTableFormat2Part bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } protected: diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-common.hh index 1db0f1df92..6cbed82692 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-common.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-common.hh @@ -415,18 +415,7 @@ struct Lookup public: DEFINE_SIZE_UNION (2, format); }; -/* Lookup 0 has unbounded size (dependant on num_glyphs). So we need to defined - * special NULL objects for Lookup<> objects, but since it's template our macros - * don't work. So we have to hand-code them here. UGLY. */ -} /* Close namespace. */ -/* Ugly hand-coded null objects for template Lookup<> :(. */ -extern HB_INTERNAL const unsigned char _hb_Null_AAT_Lookup[2]; -template -struct Null> { - static AAT::Lookup const & get_null () - { return *reinterpret_cast *> (_hb_Null_AAT_Lookup); } -}; -namespace AAT { +DECLARE_NULL_NAMESPACE_BYTES_TEMPLATE1 (AAT, Lookup, 2); enum { DELETED_GLYPH = 0xFFFF }; @@ -681,6 +670,13 @@ struct ObsoleteTypes const void *base, const T *array) { + /* https://github.com/harfbuzz/harfbuzz/issues/3483 */ + /* If offset is less than base, return an offset that would + * result in an address half a 32bit address-space away, + * to make sure sanitize fails even on 32bit builds. */ + if (unlikely (offset < unsigned ((const char *) array - (const char *) base))) + return INT_MAX / T::static_size; + /* https://github.com/harfbuzz/harfbuzz/issues/2816 */ return (offset - unsigned ((const char *) array - (const char *) base)) / T::static_size; } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-feat-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-feat-table.hh index 573f0cf9f6..815a1fd2aa 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-feat-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-feat-table.hh @@ -62,7 +62,7 @@ struct SettingName bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } protected: diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-just-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-just-table.hh index 0bf9bd2912..8fd3990f88 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-just-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-just-table.hh @@ -48,7 +48,7 @@ struct ActionSubrecordHeader bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } HBUINT16 actionClass; /* The JustClass value associated with this @@ -65,14 +65,14 @@ struct DecompositionAction bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } ActionSubrecordHeader header; - HBFixed lowerLimit; /* If the distance factor is less than this value, + F16DOT16 lowerLimit; /* If the distance factor is less than this value, * then the ligature is decomposed. */ - HBFixed upperLimit; /* If the distance factor is greater than this value, + F16DOT16 upperLimit; /* If the distance factor is greater than this value, * then the ligature is decomposed. */ HBUINT16 order; /* Numerical order in which this ligature will * be decomposed; you may want infrequent ligatures @@ -112,13 +112,13 @@ struct ConditionalAddGlyphAction bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } protected: ActionSubrecordHeader header; - HBFixed substThreshold; /* Distance growth factor (in ems) at which + F16DOT16 substThreshold; /* Distance growth factor (in ems) at which * this glyph is replaced and the growth factor * recalculated. */ HBGlyphID16 addGlyph; /* Glyph to be added as kashida. If this value is @@ -137,7 +137,7 @@ struct DuctileGlyphAction bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } protected: @@ -146,13 +146,13 @@ struct DuctileGlyphAction HBUINT32 variationAxis; /* The 4-byte tag identifying the ductile axis. * This would normally be 0x64756374 ('duct'), * but you may use any axis the font contains. */ - HBFixed minimumLimit; /* The lowest value for the ductility axis that + F16DOT16 minimumLimit; /* The lowest value for the ductility axis that * still yields an acceptable appearance. Normally * this will be 1.0. */ - HBFixed noStretchValue; /* This is the default value that corresponds to + F16DOT16 noStretchValue; /* This is the default value that corresponds to * no change in appearance. Normally, this will * be 1.0. */ - HBFixed maximumLimit; /* The highest value for the ductility axis that + F16DOT16 maximumLimit; /* The highest value for the ductility axis that * still yields an acceptable appearance. */ public: DEFINE_SIZE_STATIC (22); @@ -163,7 +163,7 @@ struct RepeatedAddGlyphAction bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } protected: @@ -271,14 +271,14 @@ struct JustWidthDeltaEntry }; protected: - HBFixed beforeGrowLimit;/* The ratio by which the advance width of the + F16DOT16 beforeGrowLimit;/* The ratio by which the advance width of the * glyph is permitted to grow on the left or top side. */ - HBFixed beforeShrinkLimit; + F16DOT16 beforeShrinkLimit; /* The ratio by which the advance width of the * glyph is permitted to shrink on the left or top side. */ - HBFixed afterGrowLimit; /* The ratio by which the advance width of the glyph + F16DOT16 afterGrowLimit; /* The ratio by which the advance width of the glyph * is permitted to shrink on the left or top side. */ - HBFixed afterShrinkLimit; + F16DOT16 afterShrinkLimit; /* The ratio by which the advance width of the glyph * is at most permitted to shrink on the right or * bottom side. */ @@ -294,7 +294,7 @@ struct WidthDeltaPair bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } protected: diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-kerx-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-kerx-table.hh index 0354b47d5a..995492cd5a 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-kerx-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-kerx-table.hh @@ -287,7 +287,7 @@ struct KerxSubTableFormat1 * in the 'kern' table example. */ if (v == -0x8000) { - o.attach_type() = ATTACH_TYPE_NONE; + o.attach_type() = OT::Layout::GPOS_impl::ATTACH_TYPE_NONE; o.attach_chain() = 0; o.y_offset = 0; } @@ -310,7 +310,7 @@ struct KerxSubTableFormat1 /* CoreText doesn't do crossStream kerning in vertical. We do. */ if (v == -0x8000) { - o.attach_type() = ATTACH_TYPE_NONE; + o.attach_type() = OT::Layout::GPOS_impl::ATTACH_TYPE_NONE; o.attach_chain() = 0; o.x_offset = 0; } @@ -567,7 +567,7 @@ struct KerxSubTableFormat4 } break; } - o.attach_type() = ATTACH_TYPE_MARK; + o.attach_type() = OT::Layout::GPOS_impl::ATTACH_TYPE_MARK; o.attach_chain() = (int) mark - (int) buffer->idx; buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT; } @@ -751,7 +751,7 @@ struct KerxSubTableHeader bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } public: @@ -901,7 +901,7 @@ struct KerxTable unsigned int count = c->buffer->len; for (unsigned int i = 0; i < count; i++) { - pos[i].attach_type() = ATTACH_TYPE_CURSIVE; + pos[i].attach_type() = OT::Layout::GPOS_impl::ATTACH_TYPE_CURSIVE; pos[i].attach_chain() = HB_DIRECTION_IS_FORWARD (c->buffer->props.direction) ? -1 : +1; /* We intentionally don't set HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT, * since there needs to be a non-zero attachment for post-positioning to diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-morx-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-morx-table.hh index b77c1f4d44..8b9190d0be 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-morx-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-morx-table.hh @@ -123,7 +123,7 @@ struct RearrangementSubtable bool reverse_l = 3 == (m >> 4); bool reverse_r = 3 == (m & 0x0F); - if (end - start >= l + r) + if (end - start >= l + r && end-start <= HB_MAX_CONTEXT_LENGTH) { buffer->merge_clusters (start, hb_min (buffer->idx + 1, buffer->len)); buffer->merge_clusters (start, end); @@ -131,14 +131,14 @@ struct RearrangementSubtable hb_glyph_info_t *info = buffer->info; hb_glyph_info_t buf[4]; - memcpy (buf, info + start, l * sizeof (buf[0])); - memcpy (buf + 2, info + end - r, r * sizeof (buf[0])); + hb_memcpy (buf, info + start, l * sizeof (buf[0])); + hb_memcpy (buf + 2, info + end - r, r * sizeof (buf[0])); if (l != r) memmove (info + start + r, info + start + l, (end - start - l - r) * sizeof (buf[0])); - memcpy (info + start, buf + 2, r * sizeof (buf[0])); - memcpy (info + end - l, buf, l * sizeof (buf[0])); + hb_memcpy (info + start, buf + 2, r * sizeof (buf[0])); + hb_memcpy (info + end - l, buf, l * sizeof (buf[0])); if (reverse_l) { buf[0] = info[end - 1]; @@ -980,6 +980,15 @@ struct Chain setting = HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_SMALL_CAPS; goto retry; } +#ifndef HB_NO_AAT + else if (type == HB_AAT_LAYOUT_FEATURE_TYPE_LANGUAGE_TAG_TYPE && setting && + /* TODO: Rudimentary language matching. */ + hb_language_matches (map->face->table.ltag->get_language (setting - 1), map->props.language)) + { + flags &= feature.disableFlags; + flags |= feature.enableFlags; + } +#endif } } return flags; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-opbd-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-opbd-table.hh index b1a1512821..51b650fc33 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-opbd-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-opbd-table.hh @@ -42,7 +42,7 @@ struct OpticalBounds bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } FWORD leftSide; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-trak-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-trak-table.hh index 68bcb2396f..2ba9355b06 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-trak-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout-trak-table.hh @@ -62,7 +62,7 @@ struct TrackTableEntry } protected: - HBFixed track; /* Track value for this record. */ + F16DOT16 track; /* Track value for this record. */ NameID trackNameID; /* The 'name' table index for this track. * (a short word or phrase like "loose" * or "very tight") */ @@ -82,7 +82,7 @@ struct TrackData const void *base) const { unsigned int sizes = nSizes; - hb_array_t size_table ((base+sizeTable).arrayZ, sizes); + hb_array_t size_table ((base+sizeTable).arrayZ, sizes); float s0 = size_table[idx].to_float (); float s1 = size_table[idx + 1].to_float (); @@ -120,7 +120,7 @@ struct TrackData if (!sizes) return 0.; if (sizes == 1) return trackTableEntry->get_value (base, 0, sizes); - hb_array_t size_table ((base+sizeTable).arrayZ, sizes); + hb_array_t size_table ((base+sizeTable).arrayZ, sizes); unsigned int size_index; for (size_index = 0; size_index < sizes - 1; size_index++) if (size_table[size_index].to_float () >= ptem) @@ -141,7 +141,7 @@ struct TrackData protected: HBUINT16 nTracks; /* Number of separate tracks included in this table. */ HBUINT16 nSizes; /* Number of point sizes included in this table. */ - NNOffset32To> + NNOffset32To> sizeTable; /* Offset from start of the tracking table to * Array[nSizes] of size values.. */ UnsizedArrayOf diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout.cc b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout.cc index caff204d67..78427b0d5a 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-layout.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-layout.cc @@ -131,6 +131,7 @@ static const hb_aat_feature_mapping_t feature_mappings[] = {HB_TAG ('p','n','u','m'), HB_AAT_LAYOUT_FEATURE_TYPE_NUMBER_SPACING, HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_NUMBERS, (hb_aat_layout_feature_selector_t) 4}, {HB_TAG ('p','w','i','d'), HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING, HB_AAT_LAYOUT_FEATURE_SELECTOR_PROPORTIONAL_TEXT, (hb_aat_layout_feature_selector_t) 7}, {HB_TAG ('q','w','i','d'), HB_AAT_LAYOUT_FEATURE_TYPE_TEXT_SPACING, HB_AAT_LAYOUT_FEATURE_SELECTOR_QUARTER_WIDTH_TEXT, (hb_aat_layout_feature_selector_t) 7}, + {HB_TAG ('r','l','i','g'), HB_AAT_LAYOUT_FEATURE_TYPE_LIGATURES, HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_ON, HB_AAT_LAYOUT_FEATURE_SELECTOR_REQUIRED_LIGATURES_OFF}, {HB_TAG ('r','u','b','y'), HB_AAT_LAYOUT_FEATURE_TYPE_RUBY_KANA, HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_ON, HB_AAT_LAYOUT_FEATURE_SELECTOR_RUBY_KANA_OFF}, {HB_TAG ('s','i','n','f'), HB_AAT_LAYOUT_FEATURE_TYPE_VERTICAL_POSITION, HB_AAT_LAYOUT_FEATURE_SELECTOR_SCIENTIFIC_INFERIORS, HB_AAT_LAYOUT_FEATURE_SELECTOR_NORMAL_POSITION}, {HB_TAG ('s','m','c','p'), HB_AAT_LAYOUT_FEATURE_TYPE_LOWER_CASE, HB_AAT_LAYOUT_FEATURE_SELECTOR_LOWER_CASE_SMALL_CAPS, HB_AAT_LAYOUT_FEATURE_SELECTOR_DEFAULT_LOWER_CASE}, @@ -229,7 +230,7 @@ hb_aat_layout_compile_map (const hb_aat_map_builder_t *mapper, * * Note: does not examine the `GSUB` table. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 2.3.0 */ @@ -288,7 +289,7 @@ is_deleted_glyph (const hb_glyph_info_t *info) void hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer) { - hb_ot_layout_delete_glyphs_inplace (buffer, is_deleted_glyph); + buffer->delete_glyphs_inplace (is_deleted_glyph); } /** @@ -300,7 +301,7 @@ hb_aat_layout_remove_deleted_glyphs (hb_buffer_t *buffer) * * Note: does not examine the `GPOS` table. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 2.3.0 */ @@ -333,7 +334,7 @@ hb_aat_layout_position (const hb_ot_shape_plan_t *plan, * Tests whether the specified face includes any tracking information * in the `trak` table. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 2.3.0 */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-aat-map.hh b/src/3rdparty/harfbuzz-ng/src/hb-aat-map.hh index 5a0fa70544..d0ee7d672c 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-aat-map.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-aat-map.hh @@ -38,7 +38,7 @@ struct hb_aat_map_t void init () { - memset (this, 0, sizeof (*this)); + hb_memset (this, 0, sizeof (*this)); chain_flags.init (); } void fini () { chain_flags.fini (); } @@ -52,8 +52,9 @@ struct hb_aat_map_builder_t public: HB_INTERNAL hb_aat_map_builder_t (hb_face_t *face_, - const hb_segment_properties_t *props_ HB_UNUSED) : - face (face_) {} + const hb_segment_properties_t props_) : + face (face_), + props (props_) {} HB_INTERNAL void add_feature (hb_tag_t tag, unsigned int value=1); @@ -87,6 +88,7 @@ struct hb_aat_map_builder_t public: hb_face_t *face; + hb_segment_properties_t props; public: hb_sorted_vector_t features; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-algs.hh b/src/3rdparty/harfbuzz-ng/src/hb-algs.hh index c40a55cd1f..d85a4afe10 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-algs.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-algs.hh @@ -59,7 +59,7 @@ static inline constexpr T operator | (T l, T r) { return T ((unsigned) l | (unsigned) r); } \ static inline constexpr T operator & (T l, T r) { return T ((unsigned) l & (unsigned) r); } \ static inline constexpr T operator ^ (T l, T r) { return T ((unsigned) l ^ (unsigned) r); } \ - static inline constexpr T operator ~ (T r) { return T (~(unsigned int) r); } \ + static inline constexpr unsigned operator ~ (T r) { return (~(unsigned) r); } \ static inline T& operator |= (T &l, T r) { l = l | r; return l; } \ static inline T& operator &= (T& l, T r) { l = l & r; return l; } \ static inline T& operator ^= (T& l, T r) { l = l ^ r; return l; } \ @@ -109,15 +109,16 @@ struct BEInt struct __attribute__((packed)) packed_uint16_t { uint16_t v; }; constexpr operator Type () const { -#if ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)) && \ +#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \ + ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)) && \ defined(__BYTE_ORDER) && \ (__BYTE_ORDER == __LITTLE_ENDIAN || __BYTE_ORDER == __BIG_ENDIAN) /* Spoon-feed the compiler a big-endian integer with alignment 1. * https://github.com/harfbuzz/harfbuzz/pull/1398 */ #if __BYTE_ORDER == __LITTLE_ENDIAN - return __builtin_bswap16 (((packed_uint16_t *) this)->v); + return __builtin_bswap16 (((packed_uint16_t *) v)->v); #else /* __BYTE_ORDER == __BIG_ENDIAN */ - return ((packed_uint16_t *) this)->v; + return ((packed_uint16_t *) v)->v; #endif #else return (v[0] << 8) @@ -150,10 +151,27 @@ struct BEInt uint8_t ((V >> 16) & 0xFF), uint8_t ((V >> 8) & 0xFF), uint8_t ((V ) & 0xFF)} {} - constexpr operator Type () const { return (v[0] << 24) - + (v[1] << 16) - + (v[2] << 8) - + (v[3] ); } + + struct __attribute__((packed)) packed_uint32_t { uint32_t v; }; + constexpr operator Type () const { +#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \ + ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)) && \ + defined(__BYTE_ORDER) && \ + (__BYTE_ORDER == __LITTLE_ENDIAN || __BYTE_ORDER == __BIG_ENDIAN) + /* Spoon-feed the compiler a big-endian integer with alignment 1. + * https://github.com/harfbuzz/harfbuzz/pull/1398 */ +#if __BYTE_ORDER == __LITTLE_ENDIAN + return __builtin_bswap32 (((packed_uint32_t *) v)->v); +#else /* __BYTE_ORDER == __BIG_ENDIAN */ + return ((packed_uint32_t *) v)->v; +#endif +#else + return (v[0] << 24) + + (v[1] << 16) + + (v[2] << 8) + + (v[3] ); +#endif + } private: uint8_t v[4]; }; @@ -211,31 +229,15 @@ struct } HB_FUNCOBJ (hb_bool); -template -static inline -T hb_coerce (const T v) { return v; } -template , hb_decay) && std::is_pointer::value)> -static inline -T hb_coerce (const V v) { return *v; } - struct { private: template constexpr auto - impl (const T& v, hb_priority<2>) const HB_RETURN (uint32_t, hb_deref (v).hash ()) + impl (const T& v, hb_priority<1>) const HB_RETURN (uint32_t, hb_deref (v).hash ()) template constexpr auto - impl (const T& v, hb_priority<1>) const HB_RETURN (uint32_t, std::hash>{} (hb_deref (v))) - - template ::value)> constexpr auto - impl (const T& v, hb_priority<0>) const HB_AUTO_RETURN - ( - /* Knuth's multiplicative method: */ - (uint32_t) v * 2654435761u - ) + impl (const T& v, hb_priority<0>) const HB_RETURN (uint32_t, std::hash>{} (hb_deref (v))) public: @@ -482,6 +484,17 @@ struct } HB_FUNCOBJ (hb_equal); +struct +{ + template void + operator () (T& a, T& b) const + { + using std::swap; // allow ADL + swap (a, b); + } +} +HB_FUNCOBJ (hb_swap); + template struct hb_pair_t @@ -494,7 +507,7 @@ struct hb_pair_t hb_enable_if (std::is_default_constructible::value && std::is_default_constructible::value)> hb_pair_t () : first (), second () {} - hb_pair_t (T1 a, T2 b) : first (a), second (b) {} + hb_pair_t (T1 a, T2 b) : first (std::forward (a)), second (std::forward (b)) {} template (const pair_t& o) const { return first > o.first || (first == o.first && second > o.second); } bool operator <= (const pair_t& o) const { return !(*this > o); } + static int cmp (const void *pa, const void *pb) + { + pair_t *a = (pair_t *) pa; + pair_t *b = (pair_t *) pb; + + if (a->first < b->first) return -1; + if (a->first > b->first) return +1; + if (a->second < b->second) return -1; + if (a->second > b->second) return +1; + return 0; + } + + friend void swap (hb_pair_t& a, hb_pair_t& b) + { + hb_swap (a.first, b.first); + hb_swap (a.second, b.second); + } + + T1 first; T2 second; }; -#define hb_pair_t(T1,T2) hb_pair_t template static inline hb_pair_t hb_pair (T1&& a, T2&& b) { return hb_pair_t (a, b); } @@ -540,14 +571,14 @@ struct { template constexpr auto operator () (T&& a, T2&& b) const HB_AUTO_RETURN - (a <= b ? std::forward (a) : std::forward (b)) + (a <= b ? a : b) } HB_FUNCOBJ (hb_min); struct { template constexpr auto operator () (T&& a, T2&& b) const HB_AUTO_RETURN - (a >= b ? std::forward (a) : std::forward (b)) + (a >= b ? a : b) } HB_FUNCOBJ (hb_max); struct @@ -558,17 +589,6 @@ struct } HB_FUNCOBJ (hb_clamp); -struct -{ - template void - operator () (T& a, T& b) const - { - using std::swap; // allow ADL - swap (a, b); - } -} -HB_FUNCOBJ (hb_swap); - /* * Bithacks. */ @@ -837,14 +857,14 @@ hb_in_range (T u, T lo, T hi) return (T)(u - lo) <= (T)(hi - lo); } template static inline bool -hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2) +hb_in_ranges (T u, T lo1, T hi1) { - return hb_in_range (u, lo1, hi1) || hb_in_range (u, lo2, hi2); + return hb_in_range (u, lo1, hi1); } -template static inline bool -hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3) +template static inline bool +hb_in_ranges (T u, T lo1, T hi1, Ts... ds) { - return hb_in_range (u, lo1, hi1) || hb_in_range (u, lo2, hi2) || hb_in_range (u, lo3, hi3); + return hb_in_range (u, lo1, hi1) || hb_in_ranges (u, ds...); } @@ -852,10 +872,18 @@ hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3) * Overflow checking. */ -/* Consider __builtin_mul_overflow use here also */ static inline bool -hb_unsigned_mul_overflows (unsigned int count, unsigned int size) +hb_unsigned_mul_overflows (unsigned int count, unsigned int size, unsigned *result = nullptr) { +#if (defined(__GNUC__) && (__GNUC__ >= 4)) || defined(__clang__) + unsigned stack_result; + if (!result) + result = &stack_result; + return __builtin_mul_overflow (count, size, result); +#endif + + if (result) + *result = count * size; return (size > 0) && (count >= ((unsigned int) -1) / size); } @@ -956,7 +984,7 @@ void hb_qsort(void *base, size_t nel, size_t width, [void *arg]); */ -#define SORT_R_SWAP(a,b,tmp) ((tmp) = (a), (a) = (b), (b) = (tmp)) +#define SORT_R_SWAP(a,b,tmp) ((void) ((tmp) = (a)), (void) ((a) = (b)), (b) = (tmp)) /* swap a and b */ /* a and b must not be equal! */ @@ -1147,9 +1175,12 @@ hb_qsort (void *base, size_t nel, size_t width, } -template static inline void -hb_stable_sort (T *array, unsigned int len, int(*compar)(const T2 *, const T2 *), T3 *array2) +template static inline void +hb_stable_sort (T *array, unsigned int len, int(*compar)(const T2 *, const T2 *), T3 *array2 = nullptr) { + static_assert (hb_is_trivially_copy_assignable (T), ""); + static_assert (hb_is_trivially_copy_assignable (T3), ""); + for (unsigned int i = 1; i < len; i++) { unsigned int j = i; @@ -1172,12 +1203,6 @@ hb_stable_sort (T *array, unsigned int len, int(*compar)(const T2 *, const T2 *) } } -template static inline void -hb_stable_sort (T *array, unsigned int len, int(*compar)(const T *, const T *)) -{ - hb_stable_sort (array, len, compar, (int *) nullptr); -} - static inline hb_bool_t hb_codepoint_parse (const char *s, unsigned int len, int base, hb_codepoint_t *out) { @@ -1305,47 +1330,4 @@ struct HB_FUNCOBJ (hb_dec); -/* Compiler-assisted vectorization. */ - -/* Type behaving similar to vectorized vars defined using __attribute__((vector_size(...))), - * basically a fixed-size bitset. */ -template -struct hb_vector_size_t -{ - elt_t& operator [] (unsigned int i) { return v[i]; } - const elt_t& operator [] (unsigned int i) const { return v[i]; } - - void clear (unsigned char v = 0) { memset (this, v, sizeof (*this)); } - - template - hb_vector_size_t process (const Op& op) const - { - hb_vector_size_t r; - for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++) - r.v[i] = op (v[i]); - return r; - } - template - hb_vector_size_t process (const Op& op, const hb_vector_size_t &o) const - { - hb_vector_size_t r; - for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++) - r.v[i] = op (v[i], o.v[i]); - return r; - } - hb_vector_size_t operator | (const hb_vector_size_t &o) const - { return process (hb_bitwise_or, o); } - hb_vector_size_t operator & (const hb_vector_size_t &o) const - { return process (hb_bitwise_and, o); } - hb_vector_size_t operator ^ (const hb_vector_size_t &o) const - { return process (hb_bitwise_xor, o); } - hb_vector_size_t operator ~ () const - { return process (hb_bitwise_neg); } - - private: - static_assert (0 == byte_size % sizeof (elt_t), ""); - elt_t v[byte_size / sizeof (elt_t)]; -}; - - #endif /* HB_ALGS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-array.hh b/src/3rdparty/harfbuzz-ng/src/hb-array.hh index 1d1476d7cd..17562bc336 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-array.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-array.hh @@ -56,7 +56,6 @@ struct hb_array_t : hb_iter_with_fallback_t, Type&> hb_array_t& operator= (const hb_array_t&) = default; hb_array_t& operator= (hb_array_t&&) = default; - constexpr hb_array_t (std::nullptr_t) : hb_array_t () {} constexpr hb_array_t (Type *array_, unsigned int length_) : arrayZ (array_), length (length_) {} template constexpr hb_array_t (Type (&array_)[length_]) : hb_array_t (array_, length_) {} @@ -101,10 +100,17 @@ struct hb_array_t : hb_iter_with_fallback_t, Type&> /* Ouch. The operator== compares the contents of the array. For range-based for loops, * it's best if we can just compare arrayZ, though comparing contents is still fast, * but also would require that Type has operator==. As such, we optimize this operator - * for range-based for loop and just compare arrayZ. No need to compare length, as we - * assume we're only compared to .end(). */ + * for range-based for loop and just compare arrayZ and length. + * + * The above comment is outdated now because we implemented separate begin/end to + * objects that were using hb_array_t for range-based loop before. */ bool operator != (const hb_array_t& o) const - { return arrayZ != o.arrayZ; } + { return this->arrayZ != o.arrayZ || this->length != o.length; } + + /* Faster range-based for loop without bounds-check. */ + Type *begin () const { return arrayZ; } + Type *end () const { return arrayZ + length; } + /* Extra operators. */ @@ -114,11 +120,11 @@ struct hb_array_t : hb_iter_with_fallback_t, Type&> HB_INTERNAL bool operator == (const hb_array_t &o) const; - uint32_t hash () const { + uint32_t hash () const + { uint32_t current = 0; - for (unsigned int i = 0; i < this->length; i++) { - current = current * 31 + hb_hash (this->arrayZ[i]); - } + for (auto &v : *this) + current = current * 31 + hb_hash (v); return current; } @@ -186,23 +192,18 @@ struct hb_array_t : hb_iter_with_fallback_t, Type&> hb_sorted_array_t qsort (int (*cmp_)(const void*, const void*)) { + //static_assert (hb_enable_if (hb_is_trivially_copy_assignable(Type)), ""); if (likely (length)) hb_qsort (arrayZ, length, this->get_item_size (), cmp_); return hb_sorted_array_t (*this); } hb_sorted_array_t qsort () { + //static_assert (hb_enable_if (hb_is_trivially_copy_assignable(Type)), ""); if (likely (length)) hb_qsort (arrayZ, length, this->get_item_size (), Type::cmp); return hb_sorted_array_t (*this); } - void qsort (unsigned int start, unsigned int end) - { - end = hb_min (end, length); - assert (start <= end); - if (likely (start < end)) - hb_qsort (arrayZ + start, end - start, this->get_item_size (), Type::cmp); - } /* * Other methods. @@ -221,11 +222,8 @@ struct hb_array_t : hb_iter_with_fallback_t, Type&> if (end < start + 2) return; - for (unsigned lhs = start, rhs = end - 1; lhs < rhs; lhs++, rhs--) { - Type temp = arrayZ[rhs]; - arrayZ[rhs] = arrayZ[lhs]; - arrayZ[lhs] = temp; - } + for (unsigned lhs = start, rhs = end - 1; lhs < rhs; lhs++, rhs--) + hb_swap (arrayZ[rhs], arrayZ[lhs]); } hb_array_t sub_array (unsigned int start_offset = 0, unsigned int *seg_count = nullptr /* IN/OUT */) const @@ -267,17 +265,31 @@ struct hb_array_t : hb_iter_with_fallback_t, Type&> void fini () { hb_free ((void *) arrayZ); arrayZ = nullptr; length = 0; } - template + template )))> hb_array_t copy (hb_serialize_context_t *c) const { TRACE_SERIALIZE (this); auto* out = c->start_embed (arrayZ); - if (unlikely (!c->extend_size (out, get_size ()))) return_trace (hb_array_t ()); + if (unlikely (!c->extend_size (out, get_size (), false))) return_trace (hb_array_t ()); for (unsigned i = 0; i < length; i++) out[i] = arrayZ[i]; /* TODO: add version that calls c->copy() */ return_trace (hb_array_t (out, length)); } + template ))> + hb_array_t copy (hb_serialize_context_t *c) const + { + TRACE_SERIALIZE (this); + auto* out = c->start_embed (arrayZ); + if (unlikely (!c->extend_size (out, get_size (), false))) return_trace (hb_array_t ()); + hb_memcpy (out, arrayZ, get_size ()); + return_trace (hb_array_t (out, length)); + } + template bool sanitize (hb_sanitize_context_t *c) const { return c->check_array (arrayZ, length); } @@ -300,8 +312,8 @@ hb_array (T (&array_)[length_]) template struct hb_sorted_array_t : - hb_iter_t, Type&>, - hb_array_t + hb_array_t, + hb_iter_t, Type&> { typedef hb_iter_t iter_base_t; HB_ITER_USING (iter_base_t); @@ -314,7 +326,6 @@ struct hb_sorted_array_t : hb_sorted_array_t& operator= (const hb_sorted_array_t&) = default; hb_sorted_array_t& operator= (hb_sorted_array_t&&) = default; - constexpr hb_sorted_array_t (std::nullptr_t) : hb_sorted_array_t () {} constexpr hb_sorted_array_t (Type *array_, unsigned int length_) : hb_array_t (array_, length_) {} template constexpr hb_sorted_array_t (Type (&array_)[length_]) : hb_array_t (array_) {} @@ -322,17 +333,24 @@ struct hb_sorted_array_t : template constexpr hb_sorted_array_t (const hb_array_t &o) : - hb_iter_t (), - hb_array_t (o) {} + hb_array_t (o), + hb_iter_t () {} template hb_sorted_array_t& operator = (const hb_array_t &o) { hb_array_t (*this) = o; return *this; } /* Iterator implementation. */ + + /* See comment in hb_array_of::operator != */ bool operator != (const hb_sorted_array_t& o) const { return this->arrayZ != o.arrayZ || this->length != o.length; } + /* Faster range-based for loop without bounds-check. */ + Type *begin () const { return this->arrayZ; } + Type *end () const { return this->arrayZ + this->length; } + + hb_sorted_array_t sub_array (unsigned int start_offset, unsigned int *seg_count /* IN/OUT */) const { return hb_sorted_array_t (((const hb_array_t *) (this))->sub_array (start_offset, seg_count)); } hb_sorted_array_t sub_array (unsigned int start_offset, unsigned int seg_count) const @@ -384,15 +402,16 @@ struct hb_sorted_array_t : } return false; } - template - bool bsearch_impl (const T &x, unsigned *pos) const + template + bool bsearch_impl (const T &x, unsigned *pos, Ts... ds) const { return hb_bsearch_impl (pos, x, this->arrayZ, this->length, sizeof (Type), - _hb_cmp_method); + _hb_cmp_method, + std::forward (ds)...); } }; template inline hb_sorted_array_t @@ -403,7 +422,7 @@ hb_sorted_array (T (&array_)[length_]) { return hb_sorted_array_t (array_); } template -bool hb_array_t::operator == (const hb_array_t &o) const +inline bool hb_array_t::operator == (const hb_array_t &o) const { if (o.length != this->length) return false; for (unsigned int i = 0; i < this->length; i++) { @@ -411,22 +430,55 @@ bool hb_array_t::operator == (const hb_array_t &o) const } return true; } +template <> +inline bool hb_array_t::operator == (const hb_array_t &o) const +{ + if (o.length != this->length) return false; + return 0 == hb_memcmp (arrayZ, o.arrayZ, length); +} +template <> +inline bool hb_array_t::operator == (const hb_array_t &o) const +{ + if (o.length != this->length) return false; + return 0 == hb_memcmp (arrayZ, o.arrayZ, length); +} -/* TODO Specialize operator== for hb_bytes_t and hb_ubytes_t. */ + +/* Specialize hash() for byte arrays. */ template <> -inline uint32_t hb_array_t::hash () const { +inline uint32_t hb_array_t::hash () const +{ uint32_t current = 0; - for (unsigned int i = 0; i < this->length; i++) - current = current * 31 + (uint32_t) (this->arrayZ[i] * 2654435761u); + unsigned i = 0; + +#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \ + ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)) + struct __attribute__((packed)) packed_uint32_t { uint32_t v; }; + for (; i + 4 <= this->length; i += 4) + current = current * 31 + hb_hash ((uint32_t) ((packed_uint32_t *) &this->arrayZ[i])->v); +#endif + + for (; i < this->length; i++) + current = current * 31 + hb_hash (this->arrayZ[i]); return current; } template <> -inline uint32_t hb_array_t::hash () const { +inline uint32_t hb_array_t::hash () const +{ uint32_t current = 0; - for (unsigned int i = 0; i < this->length; i++) - current = current * 31 + (uint32_t) (this->arrayZ[i] * 2654435761u); + unsigned i = 0; + +#if defined(__OPTIMIZE__) && !defined(HB_NO_PACKED) && \ + ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)) + struct __attribute__((packed)) packed_uint32_t { uint32_t v; }; + for (; i + 4 <= this->length; i += 4) + current = current * 31 + hb_hash ((uint32_t) ((packed_uint32_t *) &this->arrayZ[i])->v); +#endif + + for (; i < this->length; i++) + current = current * 31 + hb_hash (this->arrayZ[i]); return current; } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh b/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh index e640d1b586..14c6fb3264 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-atomic.hh @@ -111,6 +111,19 @@ _hb_atomic_ptr_impl_cmplexch (const void **P, const void *O_, const void *N) #endif +#ifndef _hb_compiler_memory_r_barrier +/* This we always use std::atomic for; and should never be disabled... + * except that MSVC gives me an internal compiler error on it. */ +#if !defined(_MSC_VER) +#include +#define _hb_compiler_memory_r_barrier() std::atomic_signal_fence (std::memory_order_acquire) +#else +#define _hb_compiler_memory_r_barrier() do {} while (0) +#endif +#endif + + + #ifndef _hb_memory_r_barrier #define _hb_memory_r_barrier() _hb_memory_barrier () #endif @@ -146,10 +159,13 @@ struct hb_atomic_int_t hb_atomic_int_t () = default; constexpr hb_atomic_int_t (int v) : v (v) {} + hb_atomic_int_t& operator = (int v_) { set_relaxed (v_); return *this; } + operator int () const { return get_relaxed (); } + void set_relaxed (int v_) { hb_atomic_int_impl_set_relaxed (&v, v_); } - void set (int v_) { hb_atomic_int_impl_set (&v, v_); } + void set_release (int v_) { hb_atomic_int_impl_set (&v, v_); } int get_relaxed () const { return hb_atomic_int_impl_get_relaxed (&v); } - int get () const { return hb_atomic_int_impl_get (&v); } + int get_acquire () const { return hb_atomic_int_impl_get (&v); } int inc () { return hb_atomic_int_impl_add (&v, 1); } int dec () { return hb_atomic_int_impl_add (&v, -1); } @@ -167,11 +183,11 @@ struct hb_atomic_ptr_t void init (T* v_ = nullptr) { set_relaxed (v_); } void set_relaxed (T* v_) { hb_atomic_ptr_impl_set_relaxed (&v, v_); } T *get_relaxed () const { return (T *) hb_atomic_ptr_impl_get_relaxed (&v); } - T *get () const { return (T *) hb_atomic_ptr_impl_get ((void **) &v); } + T *get_acquire () const { return (T *) hb_atomic_ptr_impl_get ((void **) &v); } bool cmpexch (const T *old, T *new_) const { return hb_atomic_ptr_impl_cmpexch ((void **) &v, (void *) old, (void *) new_); } - T * operator -> () const { return get (); } - template operator C * () const { return get (); } + T * operator -> () const { return get_acquire (); } + template operator C * () const { return get_acquire (); } T *v = nullptr; }; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-bimap.hh b/src/3rdparty/harfbuzz-ng/src/hb-bimap.hh index a9e1278de7..8e8c988716 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-bimap.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-bimap.hh @@ -39,6 +39,12 @@ struct hb_bimap_t back_map.reset (); } + void resize (unsigned pop) + { + forw_map.resize (pop); + back_map.resize (pop); + } + bool in_error () const { return forw_map.in_error () || back_map.in_error (); } void set (hb_codepoint_t lhs, hb_codepoint_t rhs) @@ -48,17 +54,18 @@ struct hb_bimap_t if (unlikely (rhs == HB_MAP_VALUE_INVALID)) { del (lhs); return; } forw_map.set (lhs, rhs); - if (in_error ()) return; + if (unlikely (in_error ())) return; back_map.set (rhs, lhs); - if (in_error ()) forw_map.del (lhs); + if (unlikely (in_error ())) forw_map.del (lhs); } hb_codepoint_t get (hb_codepoint_t lhs) const { return forw_map.get (lhs); } hb_codepoint_t backward (hb_codepoint_t rhs) const { return back_map.get (rhs); } hb_codepoint_t operator [] (hb_codepoint_t lhs) const { return get (lhs); } - bool has (hb_codepoint_t lhs, hb_codepoint_t *vp = nullptr) const { return forw_map.has (lhs, vp); } + bool has (hb_codepoint_t lhs) const { return forw_map.has (lhs); } + void del (hb_codepoint_t lhs) { @@ -72,7 +79,7 @@ struct hb_bimap_t back_map.clear (); } - bool is_empty () const { return get_population () == 0; } + bool is_empty () const { return forw_map.is_empty (); } unsigned int get_population () const { return forw_map.get_population (); } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-bit-page.hh b/src/3rdparty/harfbuzz-ng/src/hb-bit-page.hh index 9759836654..11987054f8 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-bit-page.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-bit-page.hh @@ -30,6 +30,53 @@ #include "hb.hh" + +/* Compiler-assisted vectorization. */ + +/* Type behaving similar to vectorized vars defined using __attribute__((vector_size(...))), + * basically a fixed-size bitset. */ +template +struct hb_vector_size_t +{ + elt_t& operator [] (unsigned int i) { return v[i]; } + const elt_t& operator [] (unsigned int i) const { return v[i]; } + + void clear (unsigned char v = 0) { hb_memset (this, v, sizeof (*this)); } + + template + hb_vector_size_t process (const Op& op) const + { + hb_vector_size_t r; + for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++) + r.v[i] = op (v[i]); + return r; + } + template + hb_vector_size_t process (const Op& op, const hb_vector_size_t &o) const + { + hb_vector_size_t r; + for (unsigned int i = 0; i < ARRAY_LENGTH (v); i++) + r.v[i] = op (v[i], o.v[i]); + return r; + } + hb_vector_size_t operator | (const hb_vector_size_t &o) const + { return process (hb_bitwise_or, o); } + hb_vector_size_t operator & (const hb_vector_size_t &o) const + { return process (hb_bitwise_and, o); } + hb_vector_size_t operator ^ (const hb_vector_size_t &o) const + { return process (hb_bitwise_xor, o); } + hb_vector_size_t operator ~ () const + { return process (hb_bitwise_neg); } + + hb_array_t iter () const + { return hb_array (v); } + + private: + static_assert (0 == byte_size % sizeof (elt_t), ""); + elt_t v[byte_size / sizeof (elt_t)]; +}; + + struct hb_bit_page_t { void init0 () { v.clear (); } @@ -40,15 +87,22 @@ struct hb_bit_page_t bool is_empty () const { - for (unsigned int i = 0; i < len (); i++) - if (v[i]) - return false; - return true; + return + + hb_iter (v) + | hb_none + ; + } + uint32_t hash () const + { + return + + hb_iter (v) + | hb_reduce ([] (uint32_t h, const elt_t &_) { return h * 31 + hb_hash (_); }, (uint32_t) 0u) + ; } void add (hb_codepoint_t g) { elt (g) |= mask (g); } void del (hb_codepoint_t g) { elt (g) &= ~mask (g); } - void set (hb_codepoint_t g, bool v) { if (v) add (g); else del (g); } + void set (hb_codepoint_t g, bool value) { if (value) add (g); else del (g); } bool get (hb_codepoint_t g) const { return elt (g) & mask (g); } void add_range (hb_codepoint_t a, hb_codepoint_t b) @@ -62,7 +116,7 @@ struct hb_bit_page_t *la |= ~(mask (a) - 1); la++; - memset (la, 0xff, (char *) lb - (char *) la); + hb_memset (la, 0xff, (char *) lb - (char *) la); *lb |= ((mask (b) << 1) - 1); } @@ -78,7 +132,7 @@ struct hb_bit_page_t *la &= mask (a) - 1; la++; - memset (la, 0, (char *) lb - (char *) la); + hb_memset (la, 0, (char *) lb - (char *) la); *lb &= ~((mask (b) << 1) - 1); } @@ -94,13 +148,13 @@ struct hb_bit_page_t hb_codepoint_t *p, unsigned int size) const { - unsigned int start_v = start_value >> ELT_BITS_LOG_2; + unsigned int start_v = start_value / ELT_BITS; unsigned int start_bit = start_value & ELT_MASK; unsigned int count = 0; for (unsigned i = start_v; i < len () && count < size; i++) { elt_t bits = v[i]; - uint32_t v_base = base | (i << ELT_BITS_LOG_2); + uint32_t v_base = base | (i * ELT_BITS); for (unsigned int j = start_bit; j < ELT_BITS && count < size; j++) { if ((elt_t(1) << j) & bits) { @@ -125,13 +179,13 @@ struct hb_bit_page_t unsigned int size, hb_codepoint_t *next_value) const { - unsigned int start_v = start_value >> ELT_BITS_LOG_2; + unsigned int start_v = start_value / ELT_BITS; unsigned int start_bit = start_value & ELT_MASK; unsigned int count = 0; for (unsigned i = start_v; i < len () && count < size; i++) { elt_t bits = v[i]; - uint32_t v_offset = i << ELT_BITS_LOG_2; + uint32_t v_offset = i * ELT_BITS; for (unsigned int j = start_bit; j < ELT_BITS && count < size; j++) { if ((elt_t(1) << j) & bits) @@ -154,7 +208,10 @@ struct hb_bit_page_t bool is_equal (const hb_bit_page_t &other) const { - return 0 == hb_memcmp (&v, &other.v, sizeof (v)); + for (unsigned i = 0; i < len (); i++) + if (v[i] != other.v[i]) + return false; + return true; } bool is_subset (const hb_bit_page_t &larger_page) const { @@ -166,10 +223,10 @@ struct hb_bit_page_t unsigned int get_population () const { - unsigned int pop = 0; - for (unsigned int i = 0; i < len (); i++) - pop += hb_popcount (v[i]); - return pop; + return + + hb_iter (v) + | hb_reduce ([] (unsigned pop, const elt_t &_) { return pop + hb_popcount (_); }, 0u) + ; } bool next (hb_codepoint_t *codepoint) const @@ -255,8 +312,6 @@ struct hb_bit_page_t typedef hb_vector_size_t vector_t; static constexpr unsigned ELT_BITS = sizeof (elt_t) * 8; - static constexpr unsigned ELT_BITS_LOG_2 = 6; - static_assert (1 << ELT_BITS_LOG_2 == ELT_BITS, ""); static constexpr unsigned ELT_MASK = ELT_BITS - 1; static constexpr unsigned BITS = sizeof (vector_t) * 8; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-bit-set-invertible.hh b/src/3rdparty/harfbuzz-ng/src/hb-bit-set-invertible.hh index 4a4ce34053..ff8aecc60c 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-bit-set-invertible.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-bit-set-invertible.hh @@ -38,10 +38,10 @@ struct hb_bit_set_invertible_t bool inverted = false; hb_bit_set_invertible_t () = default; - hb_bit_set_invertible_t (hb_bit_set_invertible_t& o) = default; - hb_bit_set_invertible_t (hb_bit_set_invertible_t&& o) = default; + hb_bit_set_invertible_t (const hb_bit_set_invertible_t& o) = default; + hb_bit_set_invertible_t (hb_bit_set_invertible_t&& other) : hb_bit_set_invertible_t () { hb_swap (*this, other); } hb_bit_set_invertible_t& operator= (const hb_bit_set_invertible_t& o) = default; - hb_bit_set_invertible_t& operator= (hb_bit_set_invertible_t&& o) = default; + hb_bit_set_invertible_t& operator= (hb_bit_set_invertible_t&& other) { hb_swap (*this, other); return *this; } friend void swap (hb_bit_set_invertible_t &a, hb_bit_set_invertible_t &b) { if (likely (!a.s.successful || !b.s.successful)) @@ -56,6 +56,7 @@ struct hb_bit_set_invertible_t bool in_error () const { return s.in_error (); } explicit operator bool () const { return !is_empty (); } + void alloc (unsigned sz) { s.alloc (sz); } void reset () { s.reset (); @@ -79,6 +80,8 @@ struct hb_bit_set_invertible_t next (&v); return v == INVALID; } + uint32_t hash () const { return s.hash () ^ (uint32_t) inverted; } + hb_codepoint_t get_min () const { hb_codepoint_t v = INVALID; @@ -97,7 +100,7 @@ struct hb_bit_set_invertible_t void add (hb_codepoint_t g) { unlikely (inverted) ? s.del (g) : s.add (g); } bool add_range (hb_codepoint_t a, hb_codepoint_t b) - { return unlikely (inverted) ? (s.del_range (a, b), true) : s.add_range (a, b); } + { return unlikely (inverted) ? ((void) s.del_range (a, b), true) : s.add_range (a, b); } template void add_array (const T *array, unsigned int count, unsigned int stride=sizeof(T)) @@ -120,10 +123,8 @@ struct hb_bit_set_invertible_t bool get (hb_codepoint_t g) const { return s.get (g) ^ inverted; } /* Has interface. */ - static constexpr bool SENTINEL = false; - typedef bool value_t; - value_t operator [] (hb_codepoint_t k) const { return get (k); } - bool has (hb_codepoint_t k) const { return (*this)[k] != SENTINEL; } + bool operator [] (hb_codepoint_t k) const { return get (k); } + bool has (hb_codepoint_t k) const { return (*this)[k]; } /* Predicate. */ bool operator () (hb_codepoint_t k) const { return has (k); } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-bit-set.hh b/src/3rdparty/harfbuzz-ng/src/hb-bit-set.hh index fcaff9f3be..8de6e037fb 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-bit-set.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-bit-set.hh @@ -78,17 +78,17 @@ struct hb_bit_set_t bool successful = true; /* Allocations successful */ mutable unsigned int population = 0; - mutable unsigned int last_page_lookup = 0; + mutable hb_atomic_int_t last_page_lookup = 0; hb_sorted_vector_t page_map; hb_vector_t pages; void err () { if (successful) successful = false; } /* TODO Remove */ bool in_error () const { return !successful; } - bool resize (unsigned int count) + bool resize (unsigned int count, bool clear = true) { if (unlikely (!successful)) return false; - if (unlikely (!pages.resize (count) || !page_map.resize (count))) + if (unlikely (!pages.resize (count, clear) || !page_map.resize (count, clear))) { pages.resize (page_map.length); successful = false; @@ -97,6 +97,13 @@ struct hb_bit_set_t return true; } + void alloc (unsigned sz) + { + sz >>= (page_t::PAGE_BITS_LOG_2 - 1); + pages.alloc (sz); + page_map.alloc (sz); + } + void reset () { successful = true; @@ -119,6 +126,14 @@ struct hb_bit_set_t } explicit operator bool () const { return !is_empty (); } + uint32_t hash () const + { + uint32_t h = 0; + for (auto &map : page_map) + h = h * 31 + hb_hash (map.major) + hb_hash (pages[map.index]); + return h; + } + private: void dirty () { population = UINT_MAX; } public: @@ -315,10 +330,8 @@ struct hb_bit_set_t } /* Has interface. */ - static constexpr bool SENTINEL = false; - typedef bool value_t; - value_t operator [] (hb_codepoint_t k) const { return get (k); } - bool has (hb_codepoint_t k) const { return (*this)[k] != SENTINEL; } + bool operator [] (hb_codepoint_t k) const { return get (k); } + bool has (hb_codepoint_t k) const { return (*this)[k]; } /* Predicate. */ bool operator () (hb_codepoint_t k) const { return has (k); } @@ -337,19 +350,18 @@ struct hb_bit_set_t { if (unlikely (!successful)) return; unsigned int count = other.pages.length; - if (unlikely (!resize (count))) + if (unlikely (!resize (count, false))) return; population = other.population; - /* TODO switch to vector operator =. */ - hb_memcpy ((void *) pages, (const void *) other.pages, count * pages.item_size); - hb_memcpy ((void *) page_map, (const void *) other.page_map, count * page_map.item_size); + page_map = other.page_map; + pages = other.pages; } bool is_equal (const hb_bit_set_t &other) const { if (has_population () && other.has_population () && - get_population () != other.get_population ()) + population != other.population) return false; unsigned int na = pages.length; @@ -377,7 +389,7 @@ struct hb_bit_set_t bool is_subset (const hb_bit_set_t &larger_set) const { if (has_population () && larger_set.has_population () && - get_population () != larger_set.get_population ()) + population > larger_set.population) return false; uint32_t spi = 0; @@ -451,12 +463,10 @@ struct hb_bit_set_t } public: - template - void process (const Op& op, const hb_bit_set_t &other) + void process_ (hb_bit_page_t::vector_t (*op) (const hb_bit_page_t::vector_t &, const hb_bit_page_t::vector_t &), + bool passthru_left, bool passthru_right, + const hb_bit_set_t &other) { - const bool passthru_left = op (1, 0); - const bool passthru_right = op (0, 1); - if (unlikely (!successful)) return; dirty (); @@ -528,21 +538,21 @@ struct hb_bit_set_t b = nb; for (; a && b; ) { - if (page_map[a - 1].major == other.page_map[b - 1].major) + if (page_map.arrayZ[a - 1].major == other.page_map.arrayZ[b - 1].major) { a--; b--; count--; - page_map[count] = page_map[a]; + page_map.arrayZ[count] = page_map.arrayZ[a]; page_at (count).v = op (page_at (a).v, other.page_at (b).v); } - else if (page_map[a - 1].major > other.page_map[b - 1].major) + else if (page_map.arrayZ[a - 1].major > other.page_map.arrayZ[b - 1].major) { a--; if (passthru_left) { count--; - page_map[count] = page_map[a]; + page_map.arrayZ[count] = page_map.arrayZ[a]; } } else @@ -551,8 +561,8 @@ struct hb_bit_set_t if (passthru_right) { count--; - page_map[count].major = other.page_map[b].major; - page_map[count].index = next_page++; + page_map.arrayZ[count].major = other.page_map.arrayZ[b].major; + page_map.arrayZ[count].index = next_page++; page_at (count).v = other.page_at (b).v; } } @@ -562,20 +572,29 @@ struct hb_bit_set_t { a--; count--; - page_map[count] = page_map [a]; + page_map.arrayZ[count] = page_map.arrayZ[a]; } if (passthru_right) while (b) { b--; count--; - page_map[count].major = other.page_map[b].major; - page_map[count].index = next_page++; + page_map.arrayZ[count].major = other.page_map.arrayZ[b].major; + page_map.arrayZ[count].index = next_page++; page_at (count).v = other.page_at (b).v; } assert (!count); resize (newCount); } + template + static hb_bit_page_t::vector_t + op_ (const hb_bit_page_t::vector_t &a, const hb_bit_page_t::vector_t &b) + { return Op{} (a, b); } + template + void process (const Op& op, const hb_bit_set_t &other) + { + process_ (op_, op (1, 0), op (0, 1), other); + } void union_ (const hb_bit_set_t &other) { process (hb_bitwise_or, other); } void intersect (const hb_bit_set_t &other) { process (hb_bitwise_and, other); } @@ -584,8 +603,6 @@ struct hb_bit_set_t bool next (hb_codepoint_t *codepoint) const { - // TODO: this should be merged with prev() as both implementations - // are very similar. if (unlikely (*codepoint == INVALID)) { *codepoint = get_min (); return *codepoint != INVALID; @@ -619,7 +636,7 @@ struct hb_bit_set_t for (; i < page_map.length; i++) { - const page_map_t ¤t = page_map.arrayZ[i]; + const page_map_t ¤t = page_map_array[i]; hb_codepoint_t m = pages_array[current.index].get_min (); if (m != INVALID) { @@ -642,21 +659,21 @@ struct hb_bit_set_t page_map_t map = {get_major (*codepoint), 0}; unsigned int i; page_map.bfind (map, &i, HB_NOT_FOUND_STORE_CLOSEST); - if (i < page_map.length && page_map[i].major == map.major) + if (i < page_map.length && page_map.arrayZ[i].major == map.major) { - if (pages[page_map[i].index].previous (codepoint)) + if (pages[page_map.arrayZ[i].index].previous (codepoint)) { - *codepoint += page_map[i].major * page_t::PAGE_BITS; + *codepoint += page_map.arrayZ[i].major * page_t::PAGE_BITS; return true; } } i--; for (; (int) i >= 0; i--) { - hb_codepoint_t m = pages[page_map[i].index].get_max (); + hb_codepoint_t m = pages.arrayZ[page_map.arrayZ[i].index].get_max (); if (m != INVALID) { - *codepoint = page_map[i].major * page_t::PAGE_BITS + m; + *codepoint = page_map.arrayZ[i].major * page_t::PAGE_BITS + m; return true; } } @@ -874,8 +891,20 @@ struct hb_bit_set_t page_t *page_for (hb_codepoint_t g, bool insert = false) { - page_map_t map = {get_major (g), pages.length}; - unsigned int i; + unsigned major = get_major (g); + + /* The extra page_map length is necessary; can't just rely on vector here, + * since the next check would be tricked because a null page also has + * major==0, which we can't distinguish from an actualy major==0 page... */ + unsigned i = last_page_lookup; + if (likely (i < page_map.length)) + { + auto &cached_page = page_map.arrayZ[i]; + if (cached_page.major == major) + return &pages.arrayZ[cached_page.index]; + } + + page_map_t map = {major, pages.length}; if (!page_map.bfind (map, &i, HB_NOT_FOUND_STORE_CLOSEST)) { if (!insert) @@ -884,24 +913,48 @@ struct hb_bit_set_t if (unlikely (!resize (pages.length + 1))) return nullptr; - pages[map.index].init0 (); - memmove (page_map + i + 1, - page_map + i, + pages.arrayZ[map.index].init0 (); + memmove (page_map.arrayZ + i + 1, + page_map.arrayZ + i, (page_map.length - 1 - i) * page_map.item_size); page_map[i] = map; } - return &pages[page_map[i].index]; + + last_page_lookup = i; + return &pages.arrayZ[page_map.arrayZ[i].index]; } const page_t *page_for (hb_codepoint_t g) const { - page_map_t key = {get_major (g)}; - const page_map_t *found = page_map.bsearch (key); - if (found) - return &pages[found->index]; - return nullptr; + unsigned major = get_major (g); + + /* The extra page_map length is necessary; can't just rely on vector here, + * since the next check would be tricked because a null page also has + * major==0, which we can't distinguish from an actualy major==0 page... */ + unsigned i = last_page_lookup; + if (likely (i < page_map.length)) + { + auto &cached_page = page_map.arrayZ[i]; + if (cached_page.major == major) + return &pages.arrayZ[cached_page.index]; + } + + page_map_t key = {major}; + if (!page_map.bfind (key, &i)) + return nullptr; + + last_page_lookup = i; + return &pages.arrayZ[page_map[i].index]; + } + page_t &page_at (unsigned int i) + { + assert (i < page_map.length); + return pages.arrayZ[page_map.arrayZ[i].index]; + } + const page_t &page_at (unsigned int i) const + { + assert (i < page_map.length); + return pages.arrayZ[page_map.arrayZ[i].index]; } - page_t &page_at (unsigned int i) { return pages[page_map[i].index]; } - const page_t &page_at (unsigned int i) const { return pages[page_map[i].index]; } unsigned int get_major (hb_codepoint_t g) const { return g >> page_t::PAGE_BITS_LOG_2; } unsigned int page_remainder (hb_codepoint_t g) const { return g & page_t::PAGE_BITMASK; } hb_codepoint_t major_start (unsigned int major) const { return major << page_t::PAGE_BITS_LOG_2; } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-blob.cc b/src/3rdparty/harfbuzz-ng/src/hb-blob.cc index 65e44c7f6a..f0fda1fa4d 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-blob.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-blob.cc @@ -99,7 +99,7 @@ hb_blob_create (const char *data, * is zero. This is in contrast to hb_blob_create(), which returns the singleton * empty blob (as returned by hb_blob_get_empty()) if @length is zero. * - * Return value: New blob, or %NULL if failed. Destroy with hb_blob_destroy(). + * Return value: New blob, or `NULL` if failed. Destroy with hb_blob_destroy(). * * Since: 2.8.2 **/ @@ -263,8 +263,6 @@ hb_blob_destroy (hb_blob_t *blob) { if (!hb_object_destroy (blob)) return; - blob->fini_shallow (); - hb_free (blob); } @@ -278,7 +276,7 @@ hb_blob_destroy (hb_blob_t *blob) * * Attaches a user-data key/data pair to the specified blob. * - * Return value: %true if success, %false otherwise + * Return value: `true` if success, `false` otherwise * * Since: 0.9.2 **/ @@ -305,7 +303,7 @@ hb_blob_set_user_data (hb_blob_t *blob, * Since: 0.9.2 **/ void * -hb_blob_get_user_data (hb_blob_t *blob, +hb_blob_get_user_data (const hb_blob_t *blob, hb_user_data_key_t *key) { return hb_object_get_user_data (blob, key); @@ -335,7 +333,7 @@ hb_blob_make_immutable (hb_blob_t *blob) * * Tests whether a blob is immutable. * - * Return value: %true if @blob is immutable, %false otherwise + * Return value: `true` if @blob is immutable, `false` otherwise * * Since: 0.9.2 **/ @@ -369,7 +367,7 @@ hb_blob_get_length (hb_blob_t *blob) * * Fetches the data from a blob. * - * Returns: (transfer none) (array length=length): the byte data of @blob. + * Returns: (nullable) (transfer none) (array length=length): the byte data of @blob. * * Since: 0.9.2 **/ @@ -394,7 +392,7 @@ hb_blob_get_data (hb_blob_t *blob, unsigned int *length) * fails. * * Returns: (transfer none) (array length=length): Writable blob data, - * or %NULL if failed. + * or `NULL` if failed. * * Since: 0.9.2 **/ @@ -497,7 +495,7 @@ hb_blob_t::try_make_writable () DEBUG_MSG_FUNC (BLOB, this, "dupped successfully -> %p\n", this->data); - memcpy (new_data, this->data, this->length); + hb_memcpy (new_data, this->data, this->length); this->destroy_user_data (); this->mode = HB_MEMORY_MODE_WRITABLE; this->data = new_data; @@ -572,7 +570,7 @@ _open_resource_fork (const char *file_name, hb_mapped_file_t *file) strncpy (rsrc_name, file_name, name_len); strncpy (rsrc_name + name_len, _PATH_RSRCFORKSPEC, - sizeof (_PATH_RSRCFORKSPEC) - 1); + sizeof (_PATH_RSRCFORKSPEC)); int fd = open (rsrc_name, O_RDONLY | O_BINARY, 0); hb_free (rsrc_name); @@ -620,7 +618,7 @@ hb_blob_create_from_file (const char *file_name) * specified binary font file. * * Returns: An #hb_blob_t pointer with the content of the file, - * or %NULL if failed. + * or `NULL` if failed. * * Since: 2.8.2 **/ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-blob.h b/src/3rdparty/harfbuzz-ng/src/hb-blob.h index 203f9e19dd..4eb42314da 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-blob.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-blob.h @@ -135,7 +135,7 @@ hb_blob_set_user_data (hb_blob_t *blob, HB_EXTERN void * -hb_blob_get_user_data (hb_blob_t *blob, +hb_blob_get_user_data (const hb_blob_t *blob, hb_user_data_key_t *key); diff --git a/src/3rdparty/harfbuzz-ng/src/hb-blob.hh b/src/3rdparty/harfbuzz-ng/src/hb-blob.hh index a3683a681e..b1b3b94d3d 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-blob.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-blob.hh @@ -38,7 +38,7 @@ struct hb_blob_t { - void fini_shallow () { destroy_user_data (); } + ~hb_blob_t () { destroy_user_data (); } void destroy_user_data () { @@ -61,12 +61,12 @@ struct hb_blob_t public: hb_object_header_t header; - const char *data; - unsigned int length; - hb_memory_mode_t mode; + const char *data = nullptr; + unsigned int length = 0; + hb_memory_mode_t mode = (hb_memory_mode_t) 0; - void *user_data; - hb_destroy_func_t destroy; + void *user_data = nullptr; + hb_destroy_func_t destroy = nullptr; }; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-json.hh b/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-json.hh index e80cfea6e7..993bb1f698 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-json.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-json.hh @@ -32,15 +32,16 @@ #include "hb.hh" -#line 36 "hb-buffer-deserialize-json.hh" +#line 33 "hb-buffer-deserialize-json.hh" static const unsigned char _deserialize_json_trans_keys[] = { 0u, 0u, 9u, 123u, 9u, 34u, 97u, 117u, 120u, 121u, 34u, 34u, 9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 108u, 108u, 34u, 34u, 9u, 58u, 9u, 57u, 9u, 125u, 9u, 125u, 120u, 121u, 34u, 34u, 9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 34u, 34u, - 9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, - 34u, 92u, 9u, 125u, 34u, 92u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, - 9u, 125u, 9u, 93u, 9u, 123u, 0u, 0u, 0 + 9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 108u, 108u, 34u, 34u, 9u, 58u, + 9u, 57u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, 34u, 92u, 9u, 125u, + 34u, 92u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, 9u, 125u, 9u, 93u, + 9u, 123u, 0u, 0u, 0 }; static const char _deserialize_json_key_spans[] = { @@ -48,9 +49,10 @@ static const char _deserialize_json_key_spans[] = { 10, 117, 117, 117, 1, 50, 49, 10, 117, 117, 1, 1, 50, 49, 117, 117, 2, 1, 50, 49, 10, 117, 117, 1, - 50, 49, 10, 117, 117, 1, 50, 49, - 59, 117, 59, 117, 117, 1, 50, 49, - 117, 85, 115, 0 + 50, 49, 10, 117, 117, 1, 1, 50, + 49, 117, 117, 1, 50, 49, 59, 117, + 59, 117, 117, 1, 50, 49, 117, 85, + 115, 0 }; static const short _deserialize_json_index_offsets[] = { @@ -58,9 +60,10 @@ static const short _deserialize_json_index_offsets[] = { 271, 282, 400, 518, 636, 638, 689, 739, 750, 868, 986, 988, 990, 1041, 1091, 1209, 1327, 1330, 1332, 1383, 1433, 1444, 1562, 1680, - 1682, 1733, 1783, 1794, 1912, 2030, 2032, 2083, - 2133, 2193, 2311, 2371, 2489, 2607, 2609, 2660, - 2710, 2828, 2914, 3030 + 1682, 1733, 1783, 1794, 1912, 2030, 2032, 2034, + 2085, 2135, 2253, 2371, 2373, 2424, 2474, 2534, + 2652, 2712, 2830, 2948, 2950, 3001, 3051, 3169, + 3255, 3371 }; static const char _deserialize_json_indicies[] = { @@ -82,28 +85,28 @@ static const char _deserialize_json_indicies[] = { 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 4, 1, - 5, 1, 6, 7, 1, 1, 8, 1, + 5, 1, 6, 7, 1, 8, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 9, 1, 10, 11, - 1, 12, 1, 12, 12, 12, 12, 12, + 1, 1, 1, 1, 10, 1, 11, 12, + 1, 13, 1, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 12, 1, 1, 1, 1, 1, + 1, 1, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 13, 1, 13, 13, - 13, 13, 13, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 14, 1, 14, 14, + 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 13, 1, 1, + 1, 1, 1, 1, 1, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 14, 1, 1, 15, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 1, - 17, 18, 18, 18, 18, 18, 18, 18, - 18, 18, 1, 19, 19, 19, 19, 19, + 1, 1, 15, 1, 1, 16, 17, 17, + 17, 17, 17, 17, 17, 17, 17, 1, + 18, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 1, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 19, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 20, 1, + 1, 1, 20, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -113,11 +116,11 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 21, - 1, 22, 22, 22, 22, 22, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 22, + 1, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 22, 1, 1, 1, 1, 1, 1, 1, + 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -128,13 +131,13 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 23, 1, 19, - 19, 19, 19, 19, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 24, 1, 20, + 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 19, 1, + 1, 1, 1, 1, 1, 1, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 20, 1, 1, 1, 18, 18, - 18, 18, 18, 18, 18, 18, 18, 18, + 1, 1, 21, 1, 1, 1, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -143,26 +146,26 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 21, 1, 24, 1, 24, - 24, 24, 24, 24, 1, 1, 1, 1, + 1, 1, 1, 22, 1, 25, 1, 25, + 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 24, 1, + 1, 1, 1, 1, 1, 1, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 25, 1, 25, 25, 25, 25, 25, 1, + 26, 1, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 25, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 26, 1, - 1, 27, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 1, 29, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 1, 31, - 31, 31, 31, 31, 1, 1, 1, 1, + 1, 26, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 27, 1, + 1, 28, 29, 29, 29, 29, 29, 29, + 29, 29, 29, 1, 30, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 1, 32, + 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 31, 1, + 1, 1, 1, 1, 1, 1, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 32, 1, 1, 1, 1, 1, + 1, 1, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -172,13 +175,13 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 33, 1, 31, 31, 31, - 31, 31, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 34, 1, 32, 32, 32, + 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 31, 1, 1, 1, + 1, 1, 1, 1, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 32, 1, 1, 1, 30, 30, 30, 30, - 30, 30, 30, 30, 30, 30, 1, 1, + 33, 1, 1, 1, 31, 31, 31, 31, + 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -187,24 +190,24 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 33, 1, 34, 1, 35, 1, 35, - 35, 35, 35, 35, 1, 1, 1, 1, + 1, 34, 1, 35, 1, 36, 1, 36, + 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 35, 1, + 1, 1, 1, 1, 1, 1, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 36, 1, 36, 36, 36, 36, 36, 1, + 37, 1, 37, 37, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 36, 1, 1, 1, 1, 1, 1, + 1, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 37, 38, 38, 38, 38, 38, 38, - 38, 38, 38, 1, 39, 39, 39, 39, - 39, 1, 1, 1, 1, 1, 1, 1, + 1, 38, 39, 39, 39, 39, 39, 39, + 39, 39, 39, 1, 40, 40, 40, 40, + 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 39, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 40, + 1, 1, 1, 40, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -215,13 +218,13 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 41, 1, 39, 39, 39, 39, 39, 1, + 42, 1, 40, 40, 40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 39, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 40, 1, 1, - 1, 42, 42, 42, 42, 42, 42, 42, - 42, 42, 42, 1, 1, 1, 1, 1, + 1, 40, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 41, 1, 1, + 1, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -229,27 +232,27 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 41, 1, - 43, 44, 1, 45, 1, 45, 45, 45, - 45, 45, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 42, 1, + 44, 45, 1, 46, 1, 46, 46, 46, + 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 45, 1, 1, 1, + 1, 1, 1, 1, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 46, 1, - 46, 46, 46, 46, 46, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 47, 1, + 47, 47, 47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 46, + 1, 1, 1, 1, 1, 1, 1, 47, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 47, 1, 1, 48, - 49, 49, 49, 49, 49, 49, 49, 49, - 49, 1, 50, 51, 51, 51, 51, 51, - 51, 51, 51, 51, 1, 52, 52, 52, - 52, 52, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 48, 1, 1, 49, + 50, 50, 50, 50, 50, 50, 50, 50, + 50, 1, 51, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 1, 53, 53, 53, + 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 52, 1, 1, 1, + 1, 1, 1, 1, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 53, 1, 1, 1, 1, 1, 1, 1, + 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -259,13 +262,13 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 54, 1, 52, 52, 52, 52, 52, + 1, 55, 1, 53, 53, 53, 53, 53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 52, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 53, 1, - 1, 1, 51, 51, 51, 51, 51, 51, - 51, 51, 51, 51, 1, 1, 1, 1, + 1, 1, 53, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 54, 1, + 1, 1, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -273,26 +276,26 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 54, - 1, 55, 1, 55, 55, 55, 55, 55, + 1, 1, 1, 1, 1, 1, 1, 55, + 1, 56, 1, 56, 56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 55, 1, 1, 1, 1, 1, + 1, 1, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 56, 1, 56, 56, - 56, 56, 56, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 57, 1, 57, 57, + 57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 56, 1, 1, + 1, 1, 1, 1, 1, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 57, 1, 1, 58, 59, 59, - 59, 59, 59, 59, 59, 59, 59, 1, - 60, 61, 61, 61, 61, 61, 61, 61, - 61, 61, 1, 62, 62, 62, 62, 62, + 1, 1, 58, 1, 1, 59, 60, 60, + 60, 60, 60, 60, 60, 60, 60, 1, + 61, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 1, 63, 63, 63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 62, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 63, 1, + 1, 1, 63, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -302,14 +305,14 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 64, - 1, 62, 62, 62, 62, 62, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 65, + 1, 63, 63, 63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 62, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 63, 1, 1, 1, - 61, 61, 61, 61, 61, 61, 61, 61, - 61, 61, 1, 1, 1, 1, 1, 1, + 63, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 64, 1, 1, 1, + 62, 62, 62, 62, 62, 62, 62, 62, + 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -317,32 +320,25 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 64, 1, 65, - 1, 65, 65, 65, 65, 65, 1, 1, + 1, 1, 1, 1, 1, 65, 1, 66, + 1, 67, 1, 67, 67, 67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 65, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 66, 1, 66, 66, 66, 66, - 66, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 68, 1, 68, 68, + 68, 68, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 66, 1, 67, 1, 1, + 1, 1, 1, 1, 1, 68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 68, 69, 69, 69, 69, - 69, 69, 69, 69, 69, 1, 71, 70, - 70, 70, 70, 70, 70, 70, 70, 70, - 70, 70, 70, 70, 70, 70, 70, 70, - 70, 70, 70, 70, 70, 70, 70, 70, - 70, 70, 70, 70, 70, 70, 70, 70, - 70, 70, 70, 70, 70, 70, 70, 70, - 70, 70, 70, 70, 70, 70, 70, 70, - 70, 70, 70, 70, 70, 70, 70, 70, - 72, 70, 73, 73, 73, 73, 73, 1, + 1, 1, 1, 1, 1, 69, 70, 70, + 70, 70, 70, 70, 70, 70, 70, 1, + 71, 71, 71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 71, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 73, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 74, 1, 1, + 1, 1, 1, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -352,36 +348,48 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 75, 1, - 70, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 73, 1, 71, 71, + 71, 71, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 72, 1, 1, 1, 74, 74, 74, + 74, 74, 74, 74, 74, 74, 74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 70, 1, 76, 76, 76, 76, - 76, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 76, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 77, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 73, 1, 75, 1, 75, 75, + 75, 75, 75, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 75, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 76, + 1, 76, 76, 76, 76, 76, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 76, 1, 77, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 78, 79, 79, 79, 79, 79, 79, 79, + 79, 79, 1, 81, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 80, 80, 80, + 80, 80, 80, 80, 80, 82, 80, 83, + 83, 83, 83, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 78, 1, 76, 76, 76, 76, 76, 1, + 1, 1, 1, 1, 1, 1, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 84, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 76, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 77, 1, 1, - 1, 79, 79, 79, 79, 79, 79, 79, - 79, 79, 79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -389,49 +397,86 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 78, 1, - 80, 1, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 85, 1, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 81, 1, 81, 81, 81, - 81, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 81, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 82, 83, 83, 83, - 83, 83, 83, 83, 83, 83, 1, 76, - 76, 76, 76, 76, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 76, 1, + 1, 1, 1, 1, 1, 1, 1, 80, + 1, 86, 86, 86, 86, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 77, 1, 1, 1, 84, 84, - 84, 84, 84, 84, 84, 84, 84, 84, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 78, 1, 85, 85, 85, - 85, 85, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 86, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 87, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 87, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 0, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 88, 1, 86, + 86, 86, 86, 86, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 86, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 87, 1, 1, 1, 89, 89, + 89, 89, 89, 89, 89, 89, 89, 89, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 88, 1, 90, 1, 90, + 90, 90, 90, 90, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 90, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 91, 1, 91, 91, 91, 91, 91, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 91, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 92, 93, 93, 93, 93, 93, 93, + 93, 93, 93, 1, 86, 86, 86, 86, + 86, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 86, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 87, + 1, 1, 1, 94, 94, 94, 94, 94, + 94, 94, 94, 94, 94, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 88, 1, 95, 95, 95, 95, 95, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 95, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 96, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 97, 1, + 0, 0, 0, 0, 0, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -442,46 +487,50 @@ static const char _deserialize_json_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 2, 1, 1, - 0 + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 2, 1, 1, 0 }; static const char _deserialize_json_trans_targs[] = { 1, 0, 2, 2, 3, 4, 18, 24, - 37, 45, 5, 12, 6, 7, 8, 9, - 11, 9, 11, 10, 2, 49, 10, 49, - 13, 14, 15, 16, 17, 16, 17, 10, - 2, 49, 19, 20, 21, 22, 23, 10, - 2, 49, 23, 25, 31, 26, 27, 28, - 29, 30, 29, 30, 10, 2, 49, 32, - 33, 34, 35, 36, 35, 36, 10, 2, - 49, 38, 39, 40, 43, 44, 40, 41, - 42, 10, 2, 49, 10, 2, 49, 44, - 46, 47, 43, 48, 48, 49, 50, 51 + 37, 43, 51, 5, 12, 6, 7, 8, + 9, 11, 9, 11, 10, 2, 55, 10, + 55, 13, 14, 15, 16, 17, 16, 17, + 10, 2, 55, 19, 20, 21, 22, 23, + 10, 2, 55, 23, 25, 31, 26, 27, + 28, 29, 30, 29, 30, 10, 2, 55, + 32, 33, 34, 35, 36, 35, 36, 10, + 2, 55, 38, 39, 40, 41, 42, 10, + 2, 55, 42, 44, 45, 46, 49, 50, + 46, 47, 48, 10, 2, 55, 10, 2, + 55, 50, 52, 53, 49, 54, 54, 55, + 56, 57 }; static const char _deserialize_json_trans_actions[] = { 0, 0, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 2, 2, - 2, 0, 0, 3, 3, 4, 0, 5, - 0, 0, 2, 2, 2, 0, 0, 6, - 6, 7, 0, 0, 0, 2, 2, 8, - 8, 9, 0, 0, 0, 0, 0, 2, - 2, 2, 0, 0, 10, 10, 11, 0, - 0, 2, 2, 2, 0, 0, 12, 12, - 13, 0, 0, 2, 14, 14, 0, 15, - 0, 16, 16, 17, 18, 18, 19, 15, - 0, 0, 20, 20, 21, 0, 0, 0 + 0, 0, 0, 0, 0, 0, 0, 2, + 2, 2, 0, 0, 3, 3, 4, 0, + 5, 0, 0, 2, 2, 2, 0, 0, + 6, 6, 7, 0, 0, 0, 2, 2, + 8, 8, 9, 0, 0, 0, 0, 0, + 2, 2, 2, 0, 0, 10, 10, 11, + 0, 0, 2, 2, 2, 0, 0, 12, + 12, 13, 0, 0, 0, 2, 2, 14, + 14, 15, 0, 0, 0, 2, 16, 16, + 0, 17, 0, 18, 18, 19, 20, 20, + 21, 17, 0, 0, 22, 22, 23, 0, + 0, 0 }; static const int deserialize_json_start = 1; -static const int deserialize_json_first_final = 49; +static const int deserialize_json_first_final = 55; static const int deserialize_json_error = 0; static const int deserialize_json_en_main = 1; -#line 108 "hb-buffer-deserialize-json.rl" +#line 111 "hb-buffer-deserialize-json.rl" static hb_bool_t @@ -508,12 +557,12 @@ _hb_buffer_deserialize_json (hb_buffer_t *buffer, hb_glyph_info_t info = {0}; hb_glyph_position_t pos = {0}; -#line 512 "hb-buffer-deserialize-json.hh" +#line 554 "hb-buffer-deserialize-json.hh" { cs = deserialize_json_start; } -#line 517 "hb-buffer-deserialize-json.hh" +#line 557 "hb-buffer-deserialize-json.hh" { int _slen; int _trans; @@ -541,8 +590,8 @@ _resume: case 1: #line 38 "hb-buffer-deserialize-json.rl" { - memset (&info, 0, sizeof (info)); - memset (&pos , 0, sizeof (pos )); + hb_memset (&info, 0, sizeof (info)); + hb_memset (&pos , 0, sizeof (pos )); } break; case 5: @@ -561,25 +610,25 @@ _resume: tok = p; } break; - case 15: + case 17: #line 55 "hb-buffer-deserialize-json.rl" { if (unlikely (!buffer->ensure_glyphs ())) return false; } break; - case 21: + case 23: #line 56 "hb-buffer-deserialize-json.rl" { if (unlikely (!buffer->ensure_unicode ())) return false; } break; - case 16: + case 18: #line 58 "hb-buffer-deserialize-json.rl" { /* TODO Unescape \" and \\ if found. */ if (!hb_font_glyph_from_string (font, - tok, p - tok, + tok+1, p - tok - 2, /* Skip "" */ &info.codepoint)) return false; } break; - case 18: + case 20: #line 66 "hb-buffer-deserialize-json.rl" { if (!parse_uint (tok, p, &info.codepoint)) return false; } break; @@ -604,6 +653,10 @@ _resume: { if (!parse_int (tok, p, &pos.y_advance)) return false; } break; case 14: +#line 72 "hb-buffer-deserialize-json.rl" + { if (!parse_uint (tok, p, &info.mask )) return false; } + break; + case 16: #line 51 "hb-buffer-deserialize-json.rl" { tok = p; @@ -611,7 +664,7 @@ _resume: #line 55 "hb-buffer-deserialize-json.rl" { if (unlikely (!buffer->ensure_glyphs ())) return false; } break; - case 20: + case 22: #line 51 "hb-buffer-deserialize-json.rl" { tok = p; @@ -619,12 +672,12 @@ _resume: #line 56 "hb-buffer-deserialize-json.rl" { if (unlikely (!buffer->ensure_unicode ())) return false; } break; - case 17: + case 19: #line 58 "hb-buffer-deserialize-json.rl" { /* TODO Unescape \" and \\ if found. */ if (!hb_font_glyph_from_string (font, - tok, p - tok, + tok+1, p - tok - 2, /* Skip "" */ &info.codepoint)) return false; } @@ -637,7 +690,7 @@ _resume: *end_ptr = p; } break; - case 19: + case 21: #line 66 "hb-buffer-deserialize-json.rl" { if (!parse_uint (tok, p, &info.codepoint)) return false; } #line 43 "hb-buffer-deserialize-json.rl" @@ -709,7 +762,19 @@ _resume: *end_ptr = p; } break; -#line 713 "hb-buffer-deserialize-json.hh" + case 15: +#line 72 "hb-buffer-deserialize-json.rl" + { if (!parse_uint (tok, p, &info.mask )) return false; } +#line 43 "hb-buffer-deserialize-json.rl" + { + buffer->add_info (info); + if (unlikely (!buffer->successful)) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; +#line 735 "hb-buffer-deserialize-json.hh" } _again: @@ -721,7 +786,7 @@ _again: _out: {} } -#line 136 "hb-buffer-deserialize-json.rl" +#line 139 "hb-buffer-deserialize-json.rl" *end_ptr = p; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-text.hh b/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-text.hh index 06a605e225..6b9b4282fc 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-text.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer-deserialize-text.hh @@ -32,29 +32,30 @@ #include "hb.hh" -#line 36 "hb-buffer-deserialize-text.hh" +#line 33 "hb-buffer-deserialize-text.hh" static const unsigned char _deserialize_text_trans_keys[] = { - 0u, 0u, 9u, 91u, 85u, 85u, 43u, 43u, 48u, 102u, 9u, 85u, 48u, 57u, 45u, 57u, - 48u, 57u, 48u, 57u, 45u, 57u, 48u, 57u, 44u, 44u, 45u, 57u, 48u, 57u, 44u, 57u, - 43u, 124u, 45u, 57u, 48u, 57u, 9u, 124u, 9u, 124u, 0u, 0u, 9u, 85u, 9u, 124u, + 0u, 0u, 9u, 91u, 85u, 85u, 43u, 43u, 48u, 102u, 9u, 85u, 48u, 57u, 48u, 57u, + 45u, 57u, 48u, 57u, 45u, 57u, 48u, 57u, 48u, 57u, 45u, 57u, 48u, 57u, 44u, 44u, + 45u, 57u, 48u, 57u, 44u, 57u, 43u, 124u, 9u, 124u, 9u, 124u, 0u, 0u, 9u, 85u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, - 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 0 + 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, + 0 }; static const char _deserialize_text_key_spans[] = { - 0, 83, 1, 1, 55, 77, 10, 13, - 10, 10, 13, 10, 1, 13, 10, 14, - 82, 13, 10, 116, 116, 0, 77, 116, + 0, 83, 1, 1, 55, 77, 10, 10, + 13, 10, 13, 10, 10, 13, 10, 1, + 13, 10, 14, 82, 116, 116, 0, 77, 116, 116, 116, 116, 116, 116, 116, 116, - 116, 116, 116, 116, 116 + 116, 116, 116, 116, 116, 116, 116, 116 }; static const short _deserialize_text_index_offsets[] = { 0, 0, 84, 86, 88, 144, 222, 233, - 247, 258, 269, 283, 294, 296, 310, 321, - 336, 419, 433, 444, 561, 678, 679, 757, - 874, 991, 1108, 1225, 1342, 1459, 1576, 1693, - 1810, 1927, 2044, 2161, 2278 + 244, 258, 269, 283, 294, 305, 319, 330, + 332, 346, 357, 372, 455, 572, 689, 690, + 768, 885, 1002, 1119, 1236, 1353, 1470, 1587, + 1704, 1821, 1938, 2055, 2172, 2289, 2406, 2523 }; static const char _deserialize_text_indicies[] = { @@ -87,148 +88,80 @@ static const char _deserialize_text_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 8, 9, 9, 9, 9, 9, 9, 9, 9, - 9, 1, 10, 1, 1, 11, 12, 12, - 12, 12, 12, 12, 12, 12, 12, 1, + 9, 1, 10, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 1, 12, 1, 1, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 17, 1, 1, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 22, - 1, 23, 1, 1, 24, 25, 25, 25, - 25, 25, 25, 25, 25, 25, 1, 26, - 27, 27, 27, 27, 27, 27, 27, 27, - 27, 1, 22, 1, 1, 1, 21, 21, - 21, 21, 21, 21, 21, 21, 21, 21, - 1, 28, 28, 1, 1, 1, 1, 1, + 23, 23, 23, 23, 23, 23, 23, 23, + 23, 1, 24, 1, 1, 25, 26, 26, + 26, 26, 26, 26, 26, 26, 26, 1, + 27, 28, 28, 28, 28, 28, 28, 28, + 28, 28, 1, 29, 1, 30, 1, 1, + 31, 32, 32, 32, 32, 32, 32, 32, + 32, 32, 1, 33, 34, 34, 34, 34, + 34, 34, 34, 34, 34, 1, 29, 1, + 1, 1, 28, 28, 28, 28, 28, 28, + 28, 28, 28, 28, 1, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 28, 1, 1, 28, 1, + 1, 1, 1, 1, 1, 1, 1, 35, + 1, 1, 35, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 28, 28, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 35, 1, + 36, 36, 36, 36, 36, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 36, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 37, + 37, 37, 37, 37, 37, 37, 37, 37, + 37, 1, 1, 1, 38, 39, 1, 1, + 37, 37, 37, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 28, 1, 29, 1, 1, 30, - 31, 31, 31, 31, 31, 31, 31, 31, - 31, 1, 32, 33, 33, 33, 33, 33, - 33, 33, 33, 33, 1, 34, 34, 34, - 34, 34, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 34, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 35, 35, 35, 35, - 35, 35, 35, 35, 35, 35, 1, 1, - 1, 36, 37, 1, 1, 35, 35, 35, - 35, 35, 35, 1, 1, 1, 1, 1, + 37, 37, 37, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 35, 35, 35, - 35, 35, 35, 1, 1, 1, 1, 1, + 1, 1, 1, 40, 1, 41, 41, 41, + 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 38, 1, 39, 39, 39, 39, 39, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 39, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 40, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 41, 1, 1, - 7, 7, 7, 7, 7, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 7, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 4, 1, 42, 42, - 42, 42, 42, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 42, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 43, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 44, 1, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 45, 45, 45, 45, 45, 45, - 45, 45, 45, 45, 1, 1, 1, 1, - 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 44, 1, - 47, 47, 47, 47, 47, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 47, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 48, 1, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 49, 46, 46, 50, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 51, 52, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 53, 46, 54, 54, 54, - 54, 54, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 54, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 55, - 1, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, - 28, 56, 28, 28, 57, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, - 58, 59, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, - 28, 28, 28, 28, 28, 28, 28, 28, - 60, 28, 61, 61, 61, 61, 61, 1, + 43, 1, 1, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 61, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 62, 1, 1, + 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 63, 1, + 1, 1, 1, 1, 1, 1, 1, 4, + 1, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 64, 1, 65, - 65, 65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 65, 1, + 1, 1, 1, 1, 1, 1, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -236,61 +169,145 @@ static const char _deserialize_text_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 40, 1, 1, 1, 1, + 1, 1, 1, 1, 46, 1, 44, 44, + 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 66, 1, 67, 67, 67, 67, - 67, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 67, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 48, 1, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 49, 46, 46, 50, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 51, - 52, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 46, - 46, 46, 46, 46, 46, 46, 46, 53, - 46, 68, 68, 68, 68, 68, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 68, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 69, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 70, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 43, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 71, 1, 72, 72, - 72, 72, 72, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 72, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 73, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 47, 47, 47, + 47, 47, 47, 47, 47, 47, 47, 1, + 1, 1, 1, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 74, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 46, 1, 49, 49, 49, 49, 49, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 49, 48, 48, 50, 48, 48, + 48, 48, 48, 48, 48, 51, 1, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 52, + 48, 48, 53, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 54, 55, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 56, 48, + 57, 57, 57, 57, 57, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 57, + 35, 35, 58, 35, 35, 35, 35, 35, + 35, 35, 59, 1, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 60, 35, 35, 61, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 62, 63, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 64, 35, 65, 65, 65, + 65, 65, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 75, 1, 72, 72, 72, 72, 72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 72, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 73, 1, 1, - 1, 1, 27, 27, 27, 27, 27, 27, - 27, 27, 27, 27, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 66, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 67, 1, 68, 68, 68, 68, 68, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 68, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 42, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 69, 1, 70, + 70, 70, 70, 70, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 70, 48, + 48, 50, 48, 48, 48, 48, 48, 48, + 48, 51, 1, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 52, 48, 48, 53, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 54, 55, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 48, 48, 48, 48, 48, + 48, 48, 56, 48, 71, 71, 71, 71, + 71, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 71, 1, 1, 72, 1, + 1, 1, 1, 1, 1, 1, 1, 73, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 74, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 75, + 1, 76, 76, 76, 76, 76, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 76, 1, 1, 77, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 78, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 79, 1, 76, 76, + 76, 76, 76, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 76, 1, 1, + 77, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 21, 21, 21, + 21, 21, 21, 21, 21, 21, 21, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 78, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 79, 1, 71, 71, 71, 71, 71, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 71, 1, 1, 72, 1, 1, + 1, 1, 1, 1, 1, 1, 73, 1, + 1, 1, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, @@ -299,109 +316,128 @@ static const char _deserialize_text_indicies[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 75, 1, - 68, 68, 68, 68, 68, 1, 1, 1, + 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 68, + 1, 1, 1, 1, 1, 1, 1, 80, + 1, 1, 81, 1, 1, 1, 1, 1, + 1, 1, 82, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 69, 1, 1, 1, 1, 76, - 76, 76, 76, 76, 76, 76, 76, 76, - 76, 1, 1, 1, 1, 1, 1, 70, + 1, 1, 1, 1, 1, 1, 1, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 43, 1, 1, 1, + 1, 1, 1, 1, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 71, 1, 77, 77, 77, - 77, 77, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 84, 1, 85, 85, 85, + 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 77, 1, 1, 1, + 1, 1, 1, 1, 85, 1, 1, 86, + 1, 1, 1, 1, 1, 1, 1, 87, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 78, 1, 1, 1, 1, 1, 1, + 1, 88, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 79, 1, 77, 77, 77, 77, 77, 1, + 89, 1, 85, 85, 85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 77, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 33, 33, 33, 33, 33, 33, 33, - 33, 33, 33, 1, 1, 1, 1, 1, + 1, 85, 1, 1, 86, 1, 1, 1, + 1, 1, 1, 1, 87, 1, 1, 1, + 1, 34, 34, 34, 34, 34, 34, 34, + 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 78, 1, + 1, 1, 1, 1, 1, 1, 88, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 79, 1, 61, - 61, 61, 61, 61, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 89, 1, 80, + 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 61, 1, + 1, 1, 1, 1, 1, 1, 80, 1, + 1, 81, 1, 1, 1, 1, 1, 1, + 1, 82, 1, 1, 1, 1, 90, 90, + 90, 90, 90, 90, 90, 90, 90, 90, + 1, 1, 1, 1, 1, 1, 83, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 62, 1, 1, 1, 14, 14, - 14, 14, 14, 14, 14, 14, 14, 14, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 45, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 84, 1, 65, 65, 65, 65, + 65, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 65, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 91, 91, 91, 91, 91, + 91, 91, 91, 91, 91, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 63, 1, 1, 1, 1, + 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 64, 1, 0 + 1, 1, 1, 1, 1, 1, 1, 67, + 1, 0 }; static const char _deserialize_text_trans_targs[] = { - 1, 0, 2, 25, 3, 4, 19, 5, - 23, 24, 8, 27, 36, 27, 36, 30, - 33, 11, 12, 15, 12, 15, 13, 14, - 31, 32, 31, 32, 26, 18, 34, 35, - 34, 35, 20, 19, 6, 21, 22, 20, - 21, 22, 20, 21, 22, 24, 26, 26, - 7, 9, 10, 16, 21, 29, 26, 7, - 9, 10, 16, 21, 29, 28, 17, 21, - 29, 28, 29, 29, 28, 7, 10, 29, - 28, 7, 21, 29, 33, 28, 21, 29 + 1, 0, 2, 26, 3, 4, 20, 5, + 24, 25, 28, 39, 9, 31, 34, 31, + 34, 11, 32, 33, 32, 33, 35, 38, + 14, 15, 18, 15, 18, 16, 17, 36, + 37, 36, 37, 27, 21, 20, 6, 22, + 23, 21, 22, 23, 21, 22, 23, 25, + 27, 27, 7, 8, 12, 13, 19, 22, + 30, 27, 7, 8, 12, 13, 19, 22, + 30, 29, 22, 30, 29, 30, 30, 29, + 7, 10, 22, 30, 29, 7, 22, 30, + 29, 7, 8, 13, 30, 29, 7, 8, + 22, 30, 38, 39 }; static const char _deserialize_text_trans_actions[] = { 0, 0, 0, 0, 1, 0, 2, 0, - 2, 2, 3, 4, 4, 5, 5, 4, - 4, 3, 3, 3, 0, 0, 6, 3, - 4, 4, 5, 5, 5, 3, 4, 4, - 5, 5, 7, 8, 9, 7, 7, 0, - 0, 0, 10, 10, 10, 8, 12, 13, - 14, 14, 14, 15, 11, 11, 17, 18, - 18, 18, 0, 16, 16, 19, 20, 19, - 19, 0, 0, 13, 10, 21, 21, 10, - 22, 23, 22, 22, 5, 24, 24, 24 + 2, 2, 3, 3, 4, 3, 3, 5, + 5, 4, 3, 3, 5, 5, 3, 3, + 4, 4, 4, 0, 0, 6, 4, 3, + 3, 5, 5, 5, 7, 8, 9, 7, + 7, 0, 0, 0, 10, 10, 10, 8, + 12, 13, 14, 14, 14, 14, 15, 11, + 11, 17, 18, 18, 18, 18, 0, 16, + 16, 19, 19, 19, 0, 0, 13, 20, + 21, 21, 20, 20, 22, 23, 22, 22, + 10, 24, 24, 24, 10, 25, 26, 26, + 25, 25, 5, 5 }; static const char _deserialize_text_eof_actions[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 7, 0, 0, 0, 10, - 10, 11, 16, 19, 0, 11, 10, 22, - 22, 10, 24, 24, 19 + 0, 0, 0, 0, 7, 0, 0, 0, + 10, 10, 11, 16, 19, 0, 11, 20, + 22, 22, 20, 10, 25, 25, 10, 19 }; static const int deserialize_text_start = 1; -static const int deserialize_text_first_final = 19; +static const int deserialize_text_first_final = 20; static const int deserialize_text_error = 0; static const int deserialize_text_en_main = 1; -#line 114 "hb-buffer-deserialize-text.rl" +#line 117 "hb-buffer-deserialize-text.rl" static hb_bool_t @@ -424,12 +460,12 @@ _hb_buffer_deserialize_text (hb_buffer_t *buffer, hb_glyph_info_t info = {0}; hb_glyph_position_t pos = {0}; -#line 428 "hb-buffer-deserialize-text.hh" +#line 457 "hb-buffer-deserialize-text.hh" { cs = deserialize_text_start; } -#line 433 "hb-buffer-deserialize-text.hh" +#line 460 "hb-buffer-deserialize-text.hh" { int _slen; int _trans; @@ -457,11 +493,11 @@ _resume: case 1: #line 38 "hb-buffer-deserialize-text.rl" { - memset (&info, 0, sizeof (info)); - memset (&pos , 0, sizeof (pos )); + hb_memset (&info, 0, sizeof (info)); + hb_memset (&pos , 0, sizeof (pos )); } break; - case 3: + case 4: #line 51 "hb-buffer-deserialize-text.rl" { tok = p; @@ -489,7 +525,7 @@ _resume: #line 66 "hb-buffer-deserialize-text.rl" {if (!parse_hex (tok, p, &info.codepoint )) return false; } break; - case 21: + case 24: #line 68 "hb-buffer-deserialize-text.rl" { if (!parse_uint (tok, p, &info.cluster )) return false; } break; @@ -497,26 +533,30 @@ _resume: #line 69 "hb-buffer-deserialize-text.rl" { if (!parse_int (tok, p, &pos.x_offset )) return false; } break; - case 23: + case 26: #line 70 "hb-buffer-deserialize-text.rl" { if (!parse_int (tok, p, &pos.y_offset )) return false; } break; - case 20: + case 21: #line 71 "hb-buffer-deserialize-text.rl" { if (!parse_int (tok, p, &pos.x_advance)) return false; } break; + case 23: +#line 72 "hb-buffer-deserialize-text.rl" + { if (!parse_int (tok, p, &pos.y_advance)) return false; } + break; case 15: #line 38 "hb-buffer-deserialize-text.rl" { - memset (&info, 0, sizeof (info)); - memset (&pos , 0, sizeof (pos )); + hb_memset (&info, 0, sizeof (info)); + hb_memset (&pos , 0, sizeof (pos )); } #line 51 "hb-buffer-deserialize-text.rl" { tok = p; } break; - case 4: + case 3: #line 51 "hb-buffer-deserialize-text.rl" { tok = p; @@ -574,7 +614,7 @@ _resume: *end_ptr = p; } break; - case 22: + case 25: #line 70 "hb-buffer-deserialize-text.rl" { if (!parse_int (tok, p, &pos.y_offset )) return false; } #line 43 "hb-buffer-deserialize-text.rl" @@ -586,7 +626,7 @@ _resume: *end_ptr = p; } break; - case 19: + case 20: #line 71 "hb-buffer-deserialize-text.rl" { if (!parse_int (tok, p, &pos.x_advance)) return false; } #line 43 "hb-buffer-deserialize-text.rl" @@ -598,7 +638,7 @@ _resume: *end_ptr = p; } break; - case 24: + case 22: #line 72 "hb-buffer-deserialize-text.rl" { if (!parse_int (tok, p, &pos.y_advance)) return false; } #line 43 "hb-buffer-deserialize-text.rl" @@ -608,13 +648,25 @@ _resume: return false; buffer->pos[buffer->len - 1] = pos; *end_ptr = p; +} + break; + case 19: +#line 73 "hb-buffer-deserialize-text.rl" + { if (!parse_uint (tok, p, &info.mask )) return false; } +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (unlikely (!buffer->successful)) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; } break; case 12: #line 38 "hb-buffer-deserialize-text.rl" { - memset (&info, 0, sizeof (info)); - memset (&pos , 0, sizeof (pos )); + hb_memset (&info, 0, sizeof (info)); + hb_memset (&pos , 0, sizeof (pos )); } #line 51 "hb-buffer-deserialize-text.rl" { @@ -626,8 +678,8 @@ _resume: case 14: #line 38 "hb-buffer-deserialize-text.rl" { - memset (&info, 0, sizeof (info)); - memset (&pos , 0, sizeof (pos )); + hb_memset (&info, 0, sizeof (info)); + hb_memset (&pos , 0, sizeof (pos )); } #line 51 "hb-buffer-deserialize-text.rl" { @@ -665,8 +717,8 @@ _resume: case 11: #line 38 "hb-buffer-deserialize-text.rl" { - memset (&info, 0, sizeof (info)); - memset (&pos , 0, sizeof (pos )); + hb_memset (&info, 0, sizeof (info)); + hb_memset (&pos , 0, sizeof (pos )); } #line 51 "hb-buffer-deserialize-text.rl" { @@ -692,8 +744,8 @@ _resume: case 13: #line 38 "hb-buffer-deserialize-text.rl" { - memset (&info, 0, sizeof (info)); - memset (&pos , 0, sizeof (pos )); + hb_memset (&info, 0, sizeof (info)); + hb_memset (&pos , 0, sizeof (pos )); } #line 51 "hb-buffer-deserialize-text.rl" { @@ -718,7 +770,7 @@ _resume: *end_ptr = p; } break; -#line 722 "hb-buffer-deserialize-text.hh" +#line 715 "hb-buffer-deserialize-text.hh" } _again: @@ -772,7 +824,7 @@ _again: *end_ptr = p; } break; - case 22: + case 25: #line 70 "hb-buffer-deserialize-text.rl" { if (!parse_int (tok, p, &pos.y_offset )) return false; } #line 43 "hb-buffer-deserialize-text.rl" @@ -784,7 +836,7 @@ _again: *end_ptr = p; } break; - case 19: + case 20: #line 71 "hb-buffer-deserialize-text.rl" { if (!parse_int (tok, p, &pos.x_advance)) return false; } #line 43 "hb-buffer-deserialize-text.rl" @@ -796,7 +848,7 @@ _again: *end_ptr = p; } break; - case 24: + case 22: #line 72 "hb-buffer-deserialize-text.rl" { if (!parse_int (tok, p, &pos.y_advance)) return false; } #line 43 "hb-buffer-deserialize-text.rl" @@ -806,13 +858,25 @@ _again: return false; buffer->pos[buffer->len - 1] = pos; *end_ptr = p; +} + break; + case 19: +#line 73 "hb-buffer-deserialize-text.rl" + { if (!parse_uint (tok, p, &info.mask )) return false; } +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (unlikely (!buffer->successful)) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; } break; case 11: #line 38 "hb-buffer-deserialize-text.rl" { - memset (&info, 0, sizeof (info)); - memset (&pos , 0, sizeof (pos )); + hb_memset (&info, 0, sizeof (info)); + hb_memset (&pos , 0, sizeof (pos )); } #line 51 "hb-buffer-deserialize-text.rl" { @@ -835,14 +899,14 @@ _again: *end_ptr = p; } break; -#line 839 "hb-buffer-deserialize-text.hh" +#line 825 "hb-buffer-deserialize-text.hh" } } _out: {} } -#line 138 "hb-buffer-deserialize-text.rl" +#line 141 "hb-buffer-deserialize-text.rl" *end_ptr = p; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer-serialize.cc b/src/3rdparty/harfbuzz-ng/src/hb-buffer-serialize.cc index 6539b89640..a458f2318f 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-buffer-serialize.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer-serialize.cc @@ -31,7 +31,7 @@ #include "hb-buffer.hh" -static const char *serialize_formats[] = { +static const char *_hb_buffer_serialize_formats[] = { "text", "json", nullptr @@ -50,13 +50,13 @@ static const char *serialize_formats[] = { const char ** hb_buffer_serialize_list_formats () { - return serialize_formats; + return _hb_buffer_serialize_formats; } /** * hb_buffer_serialize_format_from_string: * @str: (array length=len) (element-type uint8_t): a string to parse - * @len: length of @str, or -1 if string is %NULL terminated + * @len: length of @str, or -1 if string is `NULL` terminated * * Parses a string into an #hb_buffer_serialize_format_t. Does not check if * @str is a valid buffer serialization format, use @@ -78,11 +78,11 @@ hb_buffer_serialize_format_from_string (const char *str, int len) * hb_buffer_serialize_format_to_string: * @format: an #hb_buffer_serialize_format_t to convert. * - * Converts @format to the string corresponding it, or %NULL if it is not a valid + * Converts @format to the string corresponding it, or `NULL` if it is not a valid * #hb_buffer_serialize_format_t. * * Return value: (transfer none): - * A %NULL terminated string corresponding to @format. Should not be freed. + * A `NULL` terminated string corresponding to @format. Should not be freed. * * Since: 0.9.7 **/ @@ -91,8 +91,8 @@ hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format) { switch ((unsigned) format) { - case HB_BUFFER_SERIALIZE_FORMAT_TEXT: return serialize_formats[0]; - case HB_BUFFER_SERIALIZE_FORMAT_JSON: return serialize_formats[1]; + case HB_BUFFER_SERIALIZE_FORMAT_TEXT: return _hb_buffer_serialize_formats[0]; + case HB_BUFFER_SERIALIZE_FORMAT_JSON: return _hb_buffer_serialize_formats[1]; default: case HB_BUFFER_SERIALIZE_FORMAT_INVALID: return nullptr; } @@ -183,7 +183,7 @@ _hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer, unsigned int l = p - b; if (buf_size > l) { - memcpy (buf, b, l); + hb_memcpy (buf, b, l); buf += l; buf_size -= l; *buf_consumed += l; @@ -241,7 +241,7 @@ _hb_buffer_serialize_unicode_json (hb_buffer_t *buffer, unsigned int l = p - b; if (buf_size > l) { - memcpy (buf, b, l); + hb_memcpy (buf, b, l); buf += l; buf_size -= l; *buf_consumed += l; @@ -329,7 +329,7 @@ _hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer, unsigned int l = p - b; if (buf_size > l) { - memcpy (buf, b, l); + hb_memcpy (buf, b, l); buf += l; buf_size -= l; *buf_consumed += l; @@ -381,7 +381,7 @@ _hb_buffer_serialize_unicode_text (hb_buffer_t *buffer, unsigned int l = p - b; if (buf_size > l) { - memcpy (buf, b, l); + hb_memcpy (buf, b, l); buf += l; buf_size -= l; *buf_consumed += l; @@ -400,9 +400,9 @@ _hb_buffer_serialize_unicode_text (hb_buffer_t *buffer, * @buf: (out) (array length=buf_size) (element-type uint8_t): output string to * write serialized buffer into. * @buf_size: the size of @buf. - * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of byes written into @buf. + * @buf_consumed: (out) (optional): if not `NULL`, will be set to the number of bytes written into @buf. * @font: (nullable): the #hb_font_t used to shape this buffer, needed to - * read glyph names and extents. If %NULL, and empty font will be used. + * read glyph names and extents. If `NULL`, an empty font will be used. * @format: the #hb_buffer_serialize_format_t to use for formatting the output. * @flags: the #hb_buffer_serialize_flags_t that control what glyph properties * to serialize. @@ -514,7 +514,7 @@ hb_buffer_serialize_glyphs (hb_buffer_t *buffer, * @buf: (out) (array length=buf_size) (element-type uint8_t): output string to * write serialized buffer into. * @buf_size: the size of @buf. - * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of byes written into @buf. + * @buf_consumed: (out) (optional): if not `NULL`, will be set to the number of bytes written into @buf. * @format: the #hb_buffer_serialize_format_t to use for formatting the output. * @flags: the #hb_buffer_serialize_flags_t that control what glyph properties * to serialize. @@ -637,9 +637,9 @@ _hb_buffer_serialize_invalid (hb_buffer_t *buffer, * @buf: (out) (array length=buf_size) (element-type uint8_t): output string to * write serialized buffer into. * @buf_size: the size of @buf. - * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of byes written into @buf. + * @buf_consumed: (out) (optional): if not `NULL`, will be set to the number of bytes written into @buf. * @font: (nullable): the #hb_font_t used to shape this buffer, needed to - * read glyph names and extents. If %NULL, and empty font will be used. + * read glyph names and extents. If `NULL`, an empty font will be used. * @format: the #hb_buffer_serialize_format_t to use for formatting the output. * @flags: the #hb_buffer_serialize_flags_t that control what glyph properties * to serialize. @@ -727,7 +727,7 @@ parse_hex (const char *pp, const char *end, uint32_t *pv) * hb_buffer_deserialize_glyphs: * @buffer: an #hb_buffer_t buffer. * @buf: (array length=buf_len): string to deserialize - * @buf_len: the size of @buf, or -1 if it is %NULL-terminated + * @buf_len: the size of @buf, or -1 if it is `NULL`-terminated * @end_ptr: (out) (optional): output pointer to the character after last * consumed one. * @font: (nullable): font for getting glyph IDs @@ -736,7 +736,7 @@ parse_hex (const char *pp, const char *end, uint32_t *pv) * Deserializes glyphs @buffer from textual representation in the format * produced by hb_buffer_serialize_glyphs(). * - * Return value: %true if @buf is not fully consumed, %false otherwise. + * Return value: `true` if @buf is not fully consumed, `false` otherwise. * * Since: 0.9.7 **/ @@ -800,7 +800,7 @@ hb_buffer_deserialize_glyphs (hb_buffer_t *buffer, * hb_buffer_deserialize_unicode: * @buffer: an #hb_buffer_t buffer. * @buf: (array length=buf_len): string to deserialize - * @buf_len: the size of @buf, or -1 if it is %NULL-terminated + * @buf_len: the size of @buf, or -1 if it is `NULL`-terminated * @end_ptr: (out) (optional): output pointer to the character after last * consumed one. * @format: the #hb_buffer_serialize_format_t of the input @buf @@ -808,7 +808,7 @@ hb_buffer_deserialize_glyphs (hb_buffer_t *buffer, * Deserializes Unicode @buffer from textual representation in the format * produced by hb_buffer_serialize_unicode(). * - * Return value: %true if @buf is not fully consumed, %false otherwise. + * Return value: `true` if @buf is not fully consumed, `false` otherwise. * * Since: 2.7.3 **/ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer-verify.cc b/src/3rdparty/harfbuzz-ng/src/hb-buffer-verify.cc index dea2c11c35..1cd52b39b1 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-buffer-verify.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer-verify.cc @@ -102,9 +102,9 @@ buffer_verify_unsafe_to_break (hb_buffer_t *buffer, /* Check that breaking up shaping at safe-to-break is indeed safe. */ hb_buffer_t *fragment = hb_buffer_create_similar (buffer); - hb_buffer_set_flags (fragment, hb_buffer_get_flags (fragment) & ~HB_BUFFER_FLAG_VERIFY); + hb_buffer_set_flags (fragment, (hb_buffer_flags_t (hb_buffer_get_flags (fragment) & ~HB_BUFFER_FLAG_VERIFY))); hb_buffer_t *reconstruction = hb_buffer_create_similar (buffer); - hb_buffer_set_flags (reconstruction, hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY); + hb_buffer_set_flags (reconstruction, (hb_buffer_flags_t (hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY))); unsigned int num_glyphs; hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, &num_glyphs); @@ -169,6 +169,12 @@ buffer_verify_unsafe_to_break (hb_buffer_t *buffer, hb_buffer_destroy (fragment); return false; } + else if (!fragment->successful || fragment->shaping_failed) + { + hb_buffer_destroy (reconstruction); + hb_buffer_destroy (fragment); + return true; + } hb_buffer_append (reconstruction, fragment, 0, -1); start = end; @@ -180,7 +186,7 @@ buffer_verify_unsafe_to_break (hb_buffer_t *buffer, bool ret = true; hb_buffer_diff_flags_t diff = hb_buffer_diff (reconstruction, buffer, (hb_codepoint_t) -1, 0); - if (diff) + if (diff & ~HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH) { buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "unsafe-to-break test failed."); ret = false; @@ -238,10 +244,10 @@ buffer_verify_unsafe_to_concat (hb_buffer_t *buffer, hb_buffer_t *fragments[2] {hb_buffer_create_similar (buffer), hb_buffer_create_similar (buffer)}; - hb_buffer_set_flags (fragments[0], hb_buffer_get_flags (fragments[0]) & ~HB_BUFFER_FLAG_VERIFY); - hb_buffer_set_flags (fragments[1], hb_buffer_get_flags (fragments[1]) & ~HB_BUFFER_FLAG_VERIFY); + hb_buffer_set_flags (fragments[0], (hb_buffer_flags_t (hb_buffer_get_flags (fragments[0]) & ~HB_BUFFER_FLAG_VERIFY))); + hb_buffer_set_flags (fragments[1], (hb_buffer_flags_t (hb_buffer_get_flags (fragments[1]) & ~HB_BUFFER_FLAG_VERIFY))); hb_buffer_t *reconstruction = hb_buffer_create_similar (buffer); - hb_buffer_set_flags (reconstruction, hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY); + hb_buffer_set_flags (reconstruction, (hb_buffer_flags_t (hb_buffer_get_flags (reconstruction) & ~HB_BUFFER_FLAG_VERIFY))); hb_segment_properties_t props; hb_buffer_get_segment_properties (buffer, &props); hb_buffer_set_segment_properties (fragments[0], &props); @@ -307,7 +313,6 @@ buffer_verify_unsafe_to_concat (hb_buffer_t *buffer, bool ret = true; hb_buffer_diff_flags_t diff; - /* * Shape the two fragment streams. */ @@ -317,12 +322,22 @@ buffer_verify_unsafe_to_concat (hb_buffer_t *buffer, ret = false; goto out; } + else if (!fragments[0]->successful || fragments[0]->shaping_failed) + { + ret = true; + goto out; + } if (!hb_shape_full (font, fragments[1], features, num_features, shapers)) { buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "shaping failed while shaping fragment."); ret = false; goto out; } + else if (!fragments[1]->successful || fragments[1]->shaping_failed) + { + ret = true; + goto out; + } if (!forward) { @@ -366,7 +381,7 @@ buffer_verify_unsafe_to_concat (hb_buffer_t *buffer, * Diff results. */ diff = hb_buffer_diff (reconstruction, buffer, (hb_codepoint_t) -1, 0); - if (diff) + if (diff & ~HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH) { buffer_verify_error (buffer, font, BUFFER_VERIFY_ERROR "unsafe-to-concat test failed."); ret = false; @@ -402,6 +417,7 @@ hb_buffer_t::verify (hb_buffer_t *text_buffer, ret = false; if (!ret) { +#ifndef HB_NO_BUFFER_SERIALIZE unsigned len = text_buffer->len; hb_vector_t bytes; if (likely (bytes.resize (len * 10 + 16))) @@ -414,6 +430,7 @@ hb_buffer_t::verify (hb_buffer_t *text_buffer, HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS); buffer_verify_error (this, font, BUFFER_VERIFY_ERROR "text was: %s.", bytes.arrayZ); } +#endif } return ret; } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer.cc b/src/3rdparty/harfbuzz-ng/src/hb-buffer.cc index 6a9ee3ccc8..4b6c2d9eaa 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-buffer.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer.cc @@ -51,7 +51,7 @@ * Checks the equality of two #hb_segment_properties_t's. * * Return value: - * %true if all properties of @a equal those of @b, %false otherwise. + * `true` if all properties of @a equal those of @b, `false` otherwise. * * Since: 0.9.7 **/ @@ -81,8 +81,8 @@ hb_segment_properties_equal (const hb_segment_properties_t *a, unsigned int hb_segment_properties_hash (const hb_segment_properties_t *p) { - return (unsigned int) p->direction ^ - (unsigned int) p->script ^ + return ((unsigned int) p->direction * 31 + + (unsigned int) p->script) * 31 + (intptr_t) (p->language); } @@ -172,12 +172,13 @@ hb_buffer_t::enlarge (unsigned int size) while (size >= new_allocated) new_allocated += (new_allocated >> 1) + 32; - static_assert ((sizeof (info[0]) == sizeof (pos[0])), ""); - if (unlikely (hb_unsigned_mul_overflows (new_allocated, sizeof (info[0])))) + unsigned new_bytes; + if (unlikely (hb_unsigned_mul_overflows (new_allocated, sizeof (info[0]), &new_bytes))) goto done; - new_pos = (hb_glyph_position_t *) hb_realloc (pos, new_allocated * sizeof (pos[0])); - new_info = (hb_glyph_info_t *) hb_realloc (info, new_allocated * sizeof (info[0])); + static_assert (sizeof (info[0]) == sizeof (pos[0]), ""); + new_pos = (hb_glyph_position_t *) hb_realloc (pos, new_bytes); + new_info = (hb_glyph_info_t *) hb_realloc (info, new_bytes); done: if (unlikely (!new_pos || !new_info)) @@ -208,7 +209,7 @@ hb_buffer_t::make_room_for (unsigned int num_in, assert (have_output); out_info = (hb_glyph_info_t *) pos; - memcpy (out_info, info, out_len * sizeof (out_info[0])); + hb_memcpy (out_info, info, out_len * sizeof (out_info[0])); } return true; @@ -229,7 +230,7 @@ hb_buffer_t::shift_forward (unsigned int count) * Ideally, we should at least set Default_Ignorable bits on * these, as well as consistent cluster values. But the former * is layering violation... */ - memset (info + len, 0, (idx + count - len) * sizeof (info[0])); + hb_memset (info + len, 0, (idx + count - len) * sizeof (info[0])); } len += count; idx += count; @@ -289,6 +290,7 @@ hb_buffer_t::clear () props = default_props; successful = true; + shaping_failed = false; have_output = false; have_positions = false; @@ -297,8 +299,8 @@ hb_buffer_t::clear () out_len = 0; out_info = info; - memset (context, 0, sizeof context); - memset (context_len, 0, sizeof context_len); + hb_memset (context, 0, sizeof context); + hb_memset (context_len, 0, sizeof context_len); deallocate_var_all (); serial = 0; @@ -310,16 +312,16 @@ hb_buffer_t::enter () { deallocate_var_all (); serial = 0; + shaping_failed = false; scratch_flags = HB_BUFFER_SCRATCH_FLAG_DEFAULT; - if (likely (!hb_unsigned_mul_overflows (len, HB_BUFFER_MAX_LEN_FACTOR))) + unsigned mul; + if (likely (!hb_unsigned_mul_overflows (len, HB_BUFFER_MAX_LEN_FACTOR, &mul))) { - max_len = hb_max (len * HB_BUFFER_MAX_LEN_FACTOR, - (unsigned) HB_BUFFER_MAX_LEN_MIN); + max_len = hb_max (mul, (unsigned) HB_BUFFER_MAX_LEN_MIN); } - if (likely (!hb_unsigned_mul_overflows (len, HB_BUFFER_MAX_OPS_FACTOR))) + if (likely (!hb_unsigned_mul_overflows (len, HB_BUFFER_MAX_OPS_FACTOR, &mul))) { - max_ops = hb_max (len * HB_BUFFER_MAX_OPS_FACTOR, - (unsigned) HB_BUFFER_MAX_OPS_MIN); + max_ops = hb_max (mul, (unsigned) HB_BUFFER_MAX_OPS_MIN); } } void @@ -329,6 +331,7 @@ hb_buffer_t::leave () max_ops = HB_BUFFER_MAX_OPS_DEFAULT; deallocate_var_all (); serial = 0; + // Intentionally not reseting shaping_failed, such that it can be inspected. } @@ -342,7 +345,7 @@ hb_buffer_t::add (hb_codepoint_t codepoint, glyph = &info[len]; - memset (glyph, 0, sizeof (*glyph)); + hb_memset (glyph, 0, sizeof (*glyph)); glyph->codepoint = codepoint; glyph->mask = 0; glyph->cluster = cluster; @@ -384,9 +387,11 @@ hb_buffer_t::clear_positions () hb_memset (pos, 0, sizeof (pos[0]) * len); } -void +bool hb_buffer_t::sync () { + bool ret = false; + assert (have_output); assert (idx <= len); @@ -400,12 +405,39 @@ hb_buffer_t::sync () info = out_info; } len = out_len; + ret = true; reset: have_output = false; out_len = 0; out_info = info; idx = 0; + + return ret; +} + +int +hb_buffer_t::sync_so_far () +{ + bool had_output = have_output; + unsigned out_i = out_len; + unsigned i = idx; + unsigned old_idx = idx; + + if (sync ()) + idx = out_i; + else + idx = i; + + if (had_output) + { + have_output = true; + out_len = idx; + } + + assert (idx <= len); + + return idx - old_idx; } bool @@ -542,7 +574,8 @@ hb_buffer_t::delete_glyph () /* The logic here is duplicated in hb_ot_hide_default_ignorables(). */ unsigned int cluster = info[idx].cluster; - if (idx + 1 < len && cluster == info[idx + 1].cluster) + if ((idx + 1 < len && cluster == info[idx + 1].cluster) || + (out_len && cluster == out_info[out_len - 1].cluster)) { /* Cluster survives; do nothing. */ goto done; @@ -572,6 +605,53 @@ done: skip_glyph (); } +void +hb_buffer_t::delete_glyphs_inplace (bool (*filter) (const hb_glyph_info_t *info)) +{ + /* Merge clusters and delete filtered glyphs. + * NOTE! We can't use out-buffer as we have positioning data. */ + unsigned int j = 0; + unsigned int count = len; + for (unsigned int i = 0; i < count; i++) + { + if (filter (&info[i])) + { + /* Merge clusters. + * Same logic as delete_glyph(), but for in-place removal. */ + + unsigned int cluster = info[i].cluster; + if (i + 1 < count && cluster == info[i + 1].cluster) + continue; /* Cluster survives; do nothing. */ + + if (j) + { + /* Merge cluster backward. */ + if (cluster < info[j - 1].cluster) + { + unsigned int mask = info[i].mask; + unsigned int old_cluster = info[j - 1].cluster; + for (unsigned k = j; k && info[k - 1].cluster == old_cluster; k--) + set_cluster (info[k - 1], cluster, mask); + } + continue; + } + + if (i + 1 < count) + merge_clusters (i, i + 2); /* Merge cluster forward. */ + + continue; + } + + if (j != i) + { + info[j] = info[i]; + pos[j] = pos[i]; + } + j++; + } + len = j; +} + void hb_buffer_t::guess_segment_properties () { @@ -623,6 +703,7 @@ DEFINE_NULL_INSTANCE (hb_buffer_t) = HB_SEGMENT_PROPERTIES_DEFAULT, false, /* successful */ + true, /* shaping_failed */ false, /* have_output */ true /* have_positions */ @@ -631,16 +712,16 @@ DEFINE_NULL_INSTANCE (hb_buffer_t) = /** - * hb_buffer_create: (Xconstructor) + * hb_buffer_create: * * Creates a new #hb_buffer_t with all properties to defaults. * * Return value: (transfer full): * A newly allocated #hb_buffer_t with a reference count of 1. The initial * reference count should be released with hb_buffer_destroy() when you are done - * using the #hb_buffer_t. This function never returns %NULL. If memory cannot + * using the #hb_buffer_t. This function never returns `NULL`. If memory cannot * be allocated, a special #hb_buffer_t object will be returned on which - * hb_buffer_allocation_successful() returns %false. + * hb_buffer_allocation_successful() returns `false`. * * Since: 0.9.2 **/ @@ -770,7 +851,7 @@ hb_buffer_destroy (hb_buffer_t *buffer) * * Attaches a user-data key/data pair to the specified buffer. * - * Return value: %true if success, %false otherwise + * Return value: `true` if success, `false` otherwise * * Since: 0.9.2 **/ @@ -797,7 +878,7 @@ hb_buffer_set_user_data (hb_buffer_t *buffer, * Since: 0.9.2 **/ void * -hb_buffer_get_user_data (hb_buffer_t *buffer, +hb_buffer_get_user_data (const hb_buffer_t *buffer, hb_user_data_key_t *key) { return hb_object_get_user_data (buffer, key); @@ -834,7 +915,7 @@ hb_buffer_set_content_type (hb_buffer_t *buffer, * Since: 0.9.5 **/ hb_buffer_content_type_t -hb_buffer_get_content_type (hb_buffer_t *buffer) +hb_buffer_get_content_type (const hb_buffer_t *buffer) { return buffer->content_type; } @@ -876,7 +957,7 @@ hb_buffer_set_unicode_funcs (hb_buffer_t *buffer, * Since: 0.9.2 **/ hb_unicode_funcs_t * -hb_buffer_get_unicode_funcs (hb_buffer_t *buffer) +hb_buffer_get_unicode_funcs (const hb_buffer_t *buffer) { return buffer->unicode; } @@ -899,7 +980,6 @@ hb_buffer_get_unicode_funcs (hb_buffer_t *buffer) void hb_buffer_set_direction (hb_buffer_t *buffer, hb_direction_t direction) - { if (unlikely (hb_object_is_immutable (buffer))) return; @@ -919,7 +999,7 @@ hb_buffer_set_direction (hb_buffer_t *buffer, * Since: 0.9.2 **/ hb_direction_t -hb_buffer_get_direction (hb_buffer_t *buffer) +hb_buffer_get_direction (const hb_buffer_t *buffer) { return buffer->props.direction; } @@ -963,7 +1043,7 @@ hb_buffer_set_script (hb_buffer_t *buffer, * Since: 0.9.2 **/ hb_script_t -hb_buffer_get_script (hb_buffer_t *buffer) +hb_buffer_get_script (const hb_buffer_t *buffer) { return buffer->props.script; } @@ -1007,7 +1087,7 @@ hb_buffer_set_language (hb_buffer_t *buffer, * Since: 0.9.2 **/ hb_language_t -hb_buffer_get_language (hb_buffer_t *buffer) +hb_buffer_get_language (const hb_buffer_t *buffer) { return buffer->props.language; } @@ -1043,7 +1123,7 @@ hb_buffer_set_segment_properties (hb_buffer_t *buffer, * Since: 0.9.7 **/ void -hb_buffer_get_segment_properties (hb_buffer_t *buffer, +hb_buffer_get_segment_properties (const hb_buffer_t *buffer, hb_segment_properties_t *props) { *props = buffer->props; @@ -1081,7 +1161,7 @@ hb_buffer_set_flags (hb_buffer_t *buffer, * Since: 0.9.7 **/ hb_buffer_flags_t -hb_buffer_get_flags (hb_buffer_t *buffer) +hb_buffer_get_flags (const hb_buffer_t *buffer) { return buffer->flags; } @@ -1120,7 +1200,7 @@ hb_buffer_set_cluster_level (hb_buffer_t *buffer, * Since: 0.9.42 **/ hb_buffer_cluster_level_t -hb_buffer_get_cluster_level (hb_buffer_t *buffer) +hb_buffer_get_cluster_level (const hb_buffer_t *buffer) { return buffer->cluster_level; } @@ -1161,7 +1241,7 @@ hb_buffer_set_replacement_codepoint (hb_buffer_t *buffer, * Since: 0.9.31 **/ hb_codepoint_t -hb_buffer_get_replacement_codepoint (hb_buffer_t *buffer) +hb_buffer_get_replacement_codepoint (const hb_buffer_t *buffer) { return buffer->replacement; } @@ -1201,7 +1281,7 @@ hb_buffer_set_invisible_glyph (hb_buffer_t *buffer, * Since: 2.0.0 **/ hb_codepoint_t -hb_buffer_get_invisible_glyph (hb_buffer_t *buffer) +hb_buffer_get_invisible_glyph (const hb_buffer_t *buffer) { return buffer->invisible; } @@ -1241,7 +1321,7 @@ hb_buffer_set_not_found_glyph (hb_buffer_t *buffer, * Since: 3.1.0 **/ hb_codepoint_t -hb_buffer_get_not_found_glyph (hb_buffer_t *buffer) +hb_buffer_get_not_found_glyph (const hb_buffer_t *buffer) { return buffer->not_found; } @@ -1273,7 +1353,7 @@ hb_buffer_clear_contents (hb_buffer_t *buffer) * Pre allocates memory for @buffer to fit at least @size number of items. * * Return value: - * %true if @buffer memory allocation succeeded, %false otherwise + * `true` if @buffer memory allocation succeeded, `false` otherwise * * Since: 0.9.2 **/ @@ -1290,7 +1370,7 @@ hb_buffer_pre_allocate (hb_buffer_t *buffer, unsigned int size) * Check if allocating memory for the buffer succeeded. * * Return value: - * %true if @buffer memory allocation succeeded, %false otherwise. + * `true` if @buffer memory allocation succeeded, `false` otherwise. * * Since: 0.9.2 **/ @@ -1335,7 +1415,7 @@ hb_buffer_add (hb_buffer_t *buffer, * end. * * Return value: - * %true if @buffer memory allocation succeeded, %false otherwise. + * `true` if @buffer memory allocation succeeded, `false` otherwise. * * Since: 0.9.2 **/ @@ -1351,9 +1431,9 @@ hb_buffer_set_length (hb_buffer_t *buffer, /* Wipe the new space */ if (length > buffer->len) { - memset (buffer->info + buffer->len, 0, sizeof (buffer->info[0]) * (length - buffer->len)); + hb_memset (buffer->info + buffer->len, 0, sizeof (buffer->info[0]) * (length - buffer->len)); if (buffer->have_positions) - memset (buffer->pos + buffer->len, 0, sizeof (buffer->pos[0]) * (length - buffer->len)); + hb_memset (buffer->pos + buffer->len, 0, sizeof (buffer->pos[0]) * (length - buffer->len)); } buffer->len = length; @@ -1381,7 +1461,7 @@ hb_buffer_set_length (hb_buffer_t *buffer, * Since: 0.9.2 **/ unsigned int -hb_buffer_get_length (hb_buffer_t *buffer) +hb_buffer_get_length (const hb_buffer_t *buffer) { return buffer->len; } @@ -1421,7 +1501,7 @@ hb_buffer_get_glyph_infos (hb_buffer_t *buffer, * If buffer did not have positions before, the positions will be * initialized to zeros, unless this function is called from * within a buffer message callback (see hb_buffer_set_message_func()), - * in which case %NULL is returned. + * in which case `NULL` is returned. * * Return value: (transfer none) (array length=length): * The @buffer glyph position array. @@ -1456,7 +1536,7 @@ hb_buffer_get_glyph_positions (hb_buffer_t *buffer, * and cleared of position data when hb_buffer_clear_contents() is called. * * Return value: - * %true if the @buffer has position array, %false otherwise. + * `true` if the @buffer has position array, `false` otherwise. * * Since: 2.7.3 **/ @@ -1640,10 +1720,10 @@ hb_buffer_add_utf (hb_buffer_t *buffer, * @buffer: An #hb_buffer_t * @text: (array length=text_length) (element-type uint8_t): An array of UTF-8 * characters to append. - * @text_length: The length of the @text, or -1 if it is %NULL terminated. + * @text_length: The length of the @text, or -1 if it is `NULL` terminated. * @item_offset: The offset of the first character to add to the @buffer. * @item_length: The number of characters to add to the @buffer, or -1 for the - * end of @text (assuming it is %NULL terminated). + * end of @text (assuming it is `NULL` terminated). * * See hb_buffer_add_codepoints(). * @@ -1666,10 +1746,10 @@ hb_buffer_add_utf8 (hb_buffer_t *buffer, * hb_buffer_add_utf16: * @buffer: An #hb_buffer_t * @text: (array length=text_length): An array of UTF-16 characters to append - * @text_length: The length of the @text, or -1 if it is %NULL terminated + * @text_length: The length of the @text, or -1 if it is `NULL` terminated * @item_offset: The offset of the first character to add to the @buffer * @item_length: The number of characters to add to the @buffer, or -1 for the - * end of @text (assuming it is %NULL terminated) + * end of @text (assuming it is `NULL` terminated) * * See hb_buffer_add_codepoints(). * @@ -1692,10 +1772,10 @@ hb_buffer_add_utf16 (hb_buffer_t *buffer, * hb_buffer_add_utf32: * @buffer: An #hb_buffer_t * @text: (array length=text_length): An array of UTF-32 characters to append - * @text_length: The length of the @text, or -1 if it is %NULL terminated + * @text_length: The length of the @text, or -1 if it is `NULL` terminated * @item_offset: The offset of the first character to add to the @buffer * @item_length: The number of characters to add to the @buffer, or -1 for the - * end of @text (assuming it is %NULL terminated) + * end of @text (assuming it is `NULL` terminated) * * See hb_buffer_add_codepoints(). * @@ -1719,10 +1799,10 @@ hb_buffer_add_utf32 (hb_buffer_t *buffer, * @buffer: An #hb_buffer_t * @text: (array length=text_length) (element-type uint8_t): an array of UTF-8 * characters to append - * @text_length: the length of the @text, or -1 if it is %NULL terminated + * @text_length: the length of the @text, or -1 if it is `NULL` terminated * @item_offset: the offset of the first character to add to the @buffer * @item_length: the number of characters to add to the @buffer, or -1 for the - * end of @text (assuming it is %NULL terminated) + * end of @text (assuming it is `NULL` terminated) * * Similar to hb_buffer_add_codepoints(), but allows only access to first 256 * Unicode code points that can fit in 8-bit strings. @@ -1745,10 +1825,10 @@ hb_buffer_add_latin1 (hb_buffer_t *buffer, * hb_buffer_add_codepoints: * @buffer: a #hb_buffer_t to append characters to. * @text: (array length=text_length): an array of Unicode code points to append. - * @text_length: the length of the @text, or -1 if it is %NULL terminated. + * @text_length: the length of the @text, or -1 if it is `NULL` terminated. * @item_offset: the offset of the first code point to add to the @buffer. * @item_length: the number of code points to add to the @buffer, or -1 for the - * end of @text (assuming it is %NULL terminated). + * end of @text (assuming it is `NULL` terminated). * * Appends characters from @text array to @buffer. The @item_offset is the * position of the first character from @text that will be appended, and @@ -1761,7 +1841,9 @@ hb_buffer_add_latin1 (hb_buffer_t *buffer, * marks at stat of run. * * This function does not check the validity of @text, it is up to the caller - * to ensure it contains a valid Unicode code points. + * to ensure it contains a valid Unicode scalar values. In contrast, + * hb_buffer_add_utf32() can be used that takes similar input but performs + * sanity-check on the input. * * Since: 0.9.31 **/ @@ -1824,9 +1906,9 @@ hb_buffer_append (hb_buffer_t *buffer, hb_segment_properties_overlay (&buffer->props, &source->props); - memcpy (buffer->info + orig_len, source->info + start, (end - start) * sizeof (buffer->info[0])); + hb_memcpy (buffer->info + orig_len, source->info + start, (end - start) * sizeof (buffer->info[0])); if (buffer->have_positions) - memcpy (buffer->pos + orig_len, source->pos + start, (end - start) * sizeof (buffer->pos[0])); + hb_memcpy (buffer->pos + orig_len, source->pos + start, (end - start) * sizeof (buffer->pos[0])); if (source->content_type == HB_BUFFER_CONTENT_TYPE_UNICODE) { @@ -2014,7 +2096,7 @@ hb_buffer_diff (hb_buffer_t *buffer, result |= HB_BUFFER_DIFF_FLAG_CODEPOINT_MISMATCH; if (buf_info->cluster != ref_info->cluster) result |= HB_BUFFER_DIFF_FLAG_CLUSTER_MISMATCH; - if ((buf_info->mask & ~ref_info->mask & HB_GLYPH_FLAG_DEFINED)) + if ((buf_info->mask ^ ref_info->mask) & HB_GLYPH_FLAG_DEFINED) result |= HB_BUFFER_DIFF_FLAG_GLYPH_FLAGS_MISMATCH; if (contains && ref_info->codepoint == dottedcircle_glyph) result |= HB_BUFFER_DIFF_FLAG_DOTTED_CIRCLE_PRESENT; @@ -2069,6 +2151,13 @@ hb_buffer_set_message_func (hb_buffer_t *buffer, hb_buffer_message_func_t func, void *user_data, hb_destroy_func_t destroy) { + if (unlikely (hb_object_is_immutable (buffer))) + { + if (destroy) + destroy (user_data); + return; + } + if (buffer->message_destroy) buffer->message_destroy (buffer->message_data); @@ -2085,8 +2174,16 @@ hb_buffer_set_message_func (hb_buffer_t *buffer, bool hb_buffer_t::message_impl (hb_font_t *font, const char *fmt, va_list ap) { + assert (!have_output || (out_info == info && out_len == idx)); + + message_depth++; + char buf[100]; vsnprintf (buf, sizeof (buf), fmt, ap); - return (bool) this->message_func (this, font, buf, this->message_data); + bool ret = (bool) this->message_func (this, font, buf, this->message_data); + + message_depth--; + + return ret; } #endif diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer.h b/src/3rdparty/harfbuzz-ng/src/hb-buffer.h index 14aaa5e1f5..8c17489835 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-buffer.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer.h @@ -142,6 +142,15 @@ typedef struct hb_glyph_info_t { * shaping, otherwise the buffer flag will not be * reliably produced. * Since: 4.0.0 + * @HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL: In scripts that use elongation (Arabic, + Mongolian, Syriac, etc.), this flag signifies + that it is safe to insert a U+0640 TATWEEL + character before this cluster for elongation. + This flag does not determine the + script-specific elongation places, but only + when it is safe to do the elongation without + interrupting text shaping. + Since: 5.1.0 * @HB_GLYPH_FLAG_DEFINED: All the currently defined flags. * * Flags for #hb_glyph_info_t. @@ -149,10 +158,11 @@ typedef struct hb_glyph_info_t { * Since: 1.5.0 */ typedef enum { /*< flags >*/ - HB_GLYPH_FLAG_UNSAFE_TO_BREAK = 0x00000001, - HB_GLYPH_FLAG_UNSAFE_TO_CONCAT = 0x00000002, + HB_GLYPH_FLAG_UNSAFE_TO_BREAK = 0x00000001, + HB_GLYPH_FLAG_UNSAFE_TO_CONCAT = 0x00000002, + HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL = 0x00000004, - HB_GLYPH_FLAG_DEFINED = 0x00000003 /* OR of all defined flags */ + HB_GLYPH_FLAG_DEFINED = 0x00000007 /* OR of all defined flags */ } hb_glyph_flags_t; HB_EXTERN hb_glyph_flags_t @@ -266,7 +276,7 @@ hb_buffer_set_user_data (hb_buffer_t *buffer, hb_bool_t replace); HB_EXTERN void * -hb_buffer_get_user_data (hb_buffer_t *buffer, +hb_buffer_get_user_data (const hb_buffer_t *buffer, hb_user_data_key_t *key); @@ -289,7 +299,7 @@ hb_buffer_set_content_type (hb_buffer_t *buffer, hb_buffer_content_type_t content_type); HB_EXTERN hb_buffer_content_type_t -hb_buffer_get_content_type (hb_buffer_t *buffer); +hb_buffer_get_content_type (const hb_buffer_t *buffer); HB_EXTERN void @@ -297,21 +307,21 @@ hb_buffer_set_unicode_funcs (hb_buffer_t *buffer, hb_unicode_funcs_t *unicode_funcs); HB_EXTERN hb_unicode_funcs_t * -hb_buffer_get_unicode_funcs (hb_buffer_t *buffer); +hb_buffer_get_unicode_funcs (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_direction (hb_buffer_t *buffer, hb_direction_t direction); HB_EXTERN hb_direction_t -hb_buffer_get_direction (hb_buffer_t *buffer); +hb_buffer_get_direction (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_script (hb_buffer_t *buffer, hb_script_t script); HB_EXTERN hb_script_t -hb_buffer_get_script (hb_buffer_t *buffer); +hb_buffer_get_script (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_language (hb_buffer_t *buffer, @@ -319,14 +329,14 @@ hb_buffer_set_language (hb_buffer_t *buffer, HB_EXTERN hb_language_t -hb_buffer_get_language (hb_buffer_t *buffer); +hb_buffer_get_language (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_segment_properties (hb_buffer_t *buffer, const hb_segment_properties_t *props); HB_EXTERN void -hb_buffer_get_segment_properties (hb_buffer_t *buffer, +hb_buffer_get_segment_properties (const hb_buffer_t *buffer, hb_segment_properties_t *props); HB_EXTERN void @@ -373,6 +383,11 @@ hb_buffer_guess_segment_properties (hb_buffer_t *buffer); * flag indicating that the @HB_GLYPH_FLAG_UNSAFE_TO_CONCAT * glyph-flag should be produced by the shaper. By default * it will not be produced since it incurs a cost. Since: 4.0.0 + * @HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL: + * flag indicating that the @HB_GLYPH_FLAG_SAFE_TO_INSERT_TATWEEL + * glyph-flag should be produced by the shaper. By default + * it will not be produced. Since: 5.1.0 + * @HB_BUFFER_FLAG_DEFINED: All currently defined flags: Since: 4.4.0 * * Flags for #hb_buffer_t. * @@ -386,7 +401,10 @@ typedef enum { /*< flags >*/ HB_BUFFER_FLAG_REMOVE_DEFAULT_IGNORABLES = 0x00000008u, HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE = 0x00000010u, HB_BUFFER_FLAG_VERIFY = 0x00000020u, - HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT = 0x00000040u + HB_BUFFER_FLAG_PRODUCE_UNSAFE_TO_CONCAT = 0x00000040u, + HB_BUFFER_FLAG_PRODUCE_SAFE_TO_INSERT_TATWEEL = 0x00000080u, + + HB_BUFFER_FLAG_DEFINED = 0x000000FFu } hb_buffer_flags_t; HB_EXTERN void @@ -394,7 +412,7 @@ hb_buffer_set_flags (hb_buffer_t *buffer, hb_buffer_flags_t flags); HB_EXTERN hb_buffer_flags_t -hb_buffer_get_flags (hb_buffer_t *buffer); +hb_buffer_get_flags (const hb_buffer_t *buffer); /** * hb_buffer_cluster_level_t: @@ -436,7 +454,7 @@ hb_buffer_set_cluster_level (hb_buffer_t *buffer, hb_buffer_cluster_level_t cluster_level); HB_EXTERN hb_buffer_cluster_level_t -hb_buffer_get_cluster_level (hb_buffer_t *buffer); +hb_buffer_get_cluster_level (const hb_buffer_t *buffer); /** * HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT: @@ -453,21 +471,21 @@ hb_buffer_set_replacement_codepoint (hb_buffer_t *buffer, hb_codepoint_t replacement); HB_EXTERN hb_codepoint_t -hb_buffer_get_replacement_codepoint (hb_buffer_t *buffer); +hb_buffer_get_replacement_codepoint (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_invisible_glyph (hb_buffer_t *buffer, hb_codepoint_t invisible); HB_EXTERN hb_codepoint_t -hb_buffer_get_invisible_glyph (hb_buffer_t *buffer); +hb_buffer_get_invisible_glyph (const hb_buffer_t *buffer); HB_EXTERN void hb_buffer_set_not_found_glyph (hb_buffer_t *buffer, hb_codepoint_t not_found); HB_EXTERN hb_codepoint_t -hb_buffer_get_not_found_glyph (hb_buffer_t *buffer); +hb_buffer_get_not_found_glyph (const hb_buffer_t *buffer); /* @@ -549,7 +567,7 @@ hb_buffer_set_length (hb_buffer_t *buffer, unsigned int length); HB_EXTERN unsigned int -hb_buffer_get_length (hb_buffer_t *buffer); +hb_buffer_get_length (const hb_buffer_t *buffer); /* Getting glyphs out of the buffer */ @@ -583,6 +601,7 @@ hb_buffer_normalize_glyphs (hb_buffer_t *buffer); * @HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS: serialize glyph flags. Since: 1.5.0 * @HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES: do not serialize glyph advances, * glyph offsets will reflect absolute glyph positions. Since: 1.8.0 + * @HB_BUFFER_SERIALIZE_FLAG_DEFINED: All currently defined flags. Since: 4.4.0 * * Flags that control what glyph information are serialized in hb_buffer_serialize_glyphs(). * @@ -595,7 +614,9 @@ typedef enum { /*< flags >*/ HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES = 0x00000004u, HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS = 0x00000008u, HB_BUFFER_SERIALIZE_FLAG_GLYPH_FLAGS = 0x00000010u, - HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES = 0x00000020u + HB_BUFFER_SERIALIZE_FLAG_NO_ADVANCES = 0x00000020u, + + HB_BUFFER_SERIALIZE_FLAG_DEFINED = 0x0000003Fu } hb_buffer_serialize_flags_t; /** @@ -749,16 +770,16 @@ hb_buffer_diff (hb_buffer_t *buffer, * hb_buffer_message_func_t: * @buffer: An #hb_buffer_t to work upon * @font: The #hb_font_t the @buffer is shaped with - * @message: %NULL-terminated message passed to the function + * @message: `NULL`-terminated message passed to the function * @user_data: User data pointer passed by the caller * * A callback method for #hb_buffer_t. The method gets called with the * #hb_buffer_t it was set on, the #hb_font_t the buffer is shaped with and a * message describing what step of the shaping process will be performed. - * Returning %false from this method will skip this shaping step and move to + * Returning `false` from this method will skip this shaping step and move to * the next one. * - * Return value: %true to perform the shaping step, %false to skip it. + * Return value: `true` to perform the shaping step, `false` to skip it. * * Since: 1.1.3 */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-buffer.hh b/src/3rdparty/harfbuzz-ng/src/hb-buffer.hh index bc6992905e..bb1efe9dd3 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-buffer.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-buffer.hh @@ -32,6 +32,7 @@ #include "hb.hh" #include "hb-unicode.hh" +#include "hb-set-digest.hh" #ifndef HB_BUFFER_MAX_LEN_FACTOR @@ -57,6 +58,7 @@ static_assert ((sizeof (hb_glyph_info_t) == 20), ""); static_assert ((sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t)), ""); +HB_MARK_AS_FLAG_T (hb_glyph_flags_t); HB_MARK_AS_FLAG_T (hb_buffer_flags_t); HB_MARK_AS_FLAG_T (hb_buffer_serialize_flags_t); HB_MARK_AS_FLAG_T (hb_buffer_diff_flags_t); @@ -69,12 +71,13 @@ enum hb_buffer_scratch_flags_t { HB_BUFFER_SCRATCH_FLAG_HAS_GPOS_ATTACHMENT = 0x00000008u, HB_BUFFER_SCRATCH_FLAG_HAS_CGJ = 0x00000010u, HB_BUFFER_SCRATCH_FLAG_HAS_GLYPH_FLAGS = 0x00000020u, + HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE = 0x00000040u, - /* Reserved for complex shapers' internal use. */ - HB_BUFFER_SCRATCH_FLAG_COMPLEX0 = 0x01000000u, - HB_BUFFER_SCRATCH_FLAG_COMPLEX1 = 0x02000000u, - HB_BUFFER_SCRATCH_FLAG_COMPLEX2 = 0x04000000u, - HB_BUFFER_SCRATCH_FLAG_COMPLEX3 = 0x08000000u, + /* Reserved for shapers' internal use. */ + HB_BUFFER_SCRATCH_FLAG_SHAPER0 = 0x01000000u, + HB_BUFFER_SCRATCH_FLAG_SHAPER1 = 0x02000000u, + HB_BUFFER_SCRATCH_FLAG_SHAPER2 = 0x04000000u, + HB_BUFFER_SCRATCH_FLAG_SHAPER3 = 0x08000000u, }; HB_MARK_AS_FLAG_T (hb_buffer_scratch_flags_t); @@ -106,6 +109,7 @@ struct hb_buffer_t hb_segment_properties_t props; /* Script, language, direction */ bool successful; /* Allocations successful */ + bool shaping_failed; /* Shaping failure */ bool have_output; /* Whether we have an output buffer going on */ bool have_positions; /* Whether we have positions */ @@ -130,9 +134,7 @@ struct hb_buffer_t * Managed by enter / leave */ -#ifndef HB_NDEBUG uint8_t allocated_var_bits; -#endif uint8_t serial; hb_buffer_scratch_flags_t scratch_flags; /* Have space-fallback, etc. */ unsigned int max_len; /* Maximum allowed len. */ @@ -161,38 +163,40 @@ struct hb_buffer_t void allocate_var (unsigned int start, unsigned int count) { -#ifndef HB_NDEBUG unsigned int end = start + count; assert (end <= 8); unsigned int bits = (1u<func (offsetof (hb_glyph_info_t, var) - offsetof(hb_glyph_info_t, var1), \ sizeof (b->info[0].var)) -#define HB_BUFFER_ALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var ()) -#define HB_BUFFER_DEALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var ()) -#define HB_BUFFER_ASSERT_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, assert_var, var ()) +#define HB_BUFFER_ALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var ()) +#define HB_BUFFER_TRY_ALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, try_allocate_var, var ()) +#define HB_BUFFER_DEALLOCATE_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var ()) +#define HB_BUFFER_ASSERT_VAR(b, var) HB_BUFFER_XALLOCATE_VAR (b, assert_var, var ()) #endif /* HB_BUFFER_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cache.hh b/src/3rdparty/harfbuzz-ng/src/hb-cache.hh index e617b75de9..f8c8108f1f 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-cache.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-cache.hh @@ -32,12 +32,21 @@ /* Implements a lockfree cache for int->int functions. */ -template +template struct hb_cache_t { + using item_t = typename std::conditional::type + >::type; + static_assert ((key_bits >= cache_bits), ""); - static_assert ((key_bits + value_bits - cache_bits <= 8 * sizeof (hb_atomic_int_t)), ""); - static_assert (sizeof (hb_atomic_int_t) == sizeof (unsigned int), ""); + static_assert ((key_bits + value_bits <= cache_bits + 8 * sizeof (item_t)), ""); void init () { clear (); } void fini () {} @@ -45,14 +54,14 @@ struct hb_cache_t void clear () { for (unsigned i = 0; i < ARRAY_LENGTH (values); i++) - values[i].set_relaxed (-1); + values[i] = -1; } bool get (unsigned int key, unsigned int *value) const { unsigned int k = key & ((1u<> value_bits) != (key >> cache_bits)) return false; *value = v & ((1u<>cache_bits)< hb_cmap_cache_t; -typedef hb_cache_t<16, 24, 8> hb_advance_cache_t; - #endif /* HB_CACHE_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-common.hh index 641de0eff2..49805a89c5 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-common.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-common.hh @@ -248,6 +248,9 @@ struct number_t /* byte string */ struct UnsizedByteStr : UnsizedArrayOf { + hb_ubytes_t as_ubytes (unsigned l) const + { return hb_ubytes_t ((const unsigned char *) this, l); } + // encode 2-byte int (Dict/CharString) or 4-byte int (Dict) template static bool serialize_int (hb_serialize_context_t *c, op_code_t intOp, V value) @@ -274,128 +277,91 @@ struct UnsizedByteStr : UnsizedArrayOf /* Defining null_size allows a Null object may be created. Should be safe because: * A descendent struct Dict uses a Null pointer to indicate a missing table, * checked before access. - * byte_str_t, a wrapper struct pairing a byte pointer along with its length, always - * checks the length before access. A Null pointer is used as the initial pointer - * along with zero length by the default ctor. */ DEFINE_SIZE_MIN(0); }; -/* Holder of a section of byte string within a CFFIndex entry */ -struct byte_str_t : hb_ubytes_t -{ - byte_str_t () - : hb_ubytes_t () {} - byte_str_t (const UnsizedByteStr& s, unsigned int l) - : hb_ubytes_t ((const unsigned char*)&s, l) {} - byte_str_t (const unsigned char *s, unsigned int l) - : hb_ubytes_t (s, l) {} - byte_str_t (const hb_ubytes_t &ub) /* conversion from hb_ubytes_t */ - : hb_ubytes_t (ub) {} - - /* sub-string */ - byte_str_t sub_str (unsigned int offset, unsigned int len_) const - { return byte_str_t (hb_ubytes_t::sub_array (offset, len_)); } - - bool check_limit (unsigned int offset, unsigned int count) const - { return (offset + count <= length); } -}; - /* A byte string associated with the current offset and an error condition */ struct byte_str_ref_t { - byte_str_ref_t () { init (); } + byte_str_ref_t () + : str () {} - void init () - { - str = byte_str_t (); - offset = 0; - error = false; - } + byte_str_ref_t (const hb_ubytes_t &str_, unsigned int offset_ = 0) + : str (str_) { set_offset (offset_); } - void fini () {} - - byte_str_ref_t (const byte_str_t &str_, unsigned int offset_ = 0) - : str (str_), offset (offset_), error (false) {} - - void reset (const byte_str_t &str_, unsigned int offset_ = 0) + void reset (const hb_ubytes_t &str_, unsigned int offset_ = 0) { str = str_; - offset = offset_; - error = false; + set_offset (offset_); } const unsigned char& operator [] (int i) { - if (unlikely ((unsigned int) (offset + i) >= str.length)) + if (unlikely ((unsigned int) (get_offset () + i) >= str.length)) { set_error (); return Null (unsigned char); } - return str[offset + i]; + return str.arrayZ[get_offset () + i]; } - /* Conversion to byte_str_t */ - operator byte_str_t () const { return str.sub_str (offset, str.length - offset); } + unsigned char head_unchecked () const { return str.arrayZ[get_offset ()]; } - byte_str_t sub_str (unsigned int offset_, unsigned int len_) const - { return str.sub_str (offset_, len_); } + /* Conversion to hb_ubytes_t */ + operator hb_ubytes_t () const { return str.sub_array (get_offset ()); } + + hb_ubytes_t sub_array (unsigned int offset_, unsigned int len_) const + { return str.sub_array (offset_, len_); } bool avail (unsigned int count=1) const - { return (!in_error () && str.check_limit (offset, count)); } + { return get_offset () + count <= str.length; } void inc (unsigned int count=1) { - if (likely (!in_error () && (offset <= str.length) && (offset + count <= str.length))) - { - offset += count; - } - else - { - offset = str.length; - set_error (); - } + /* Automatically puts us in error if count is out-of-range. */ + set_offset (get_offset () + count); } - void set_error () { error = true; } - bool in_error () const { return error; } + /* We (ab)use ubytes backwards_length as a cursor (called offset), + * as well as to store error condition. */ - byte_str_t str; - unsigned int offset; /* beginning of the sub-string within str */ + unsigned get_offset () const { return str.backwards_length; } + void set_offset (unsigned offset) { str.backwards_length = offset; } + + void set_error () { str.backwards_length = str.length + 1; } + bool in_error () const { return str.backwards_length > str.length; } + + unsigned total_size () const { return str.length; } protected: - bool error; + hb_ubytes_t str; }; -typedef hb_vector_t byte_str_array_t; +using byte_str_array_t = hb_vector_t; /* stack */ template struct cff_stack_t { - void init () - { - error = false; - count = 0; - elements.init (); - elements.resize (kSizeLimit); - } - void fini () { elements.fini (); } - ELEM& operator [] (unsigned int i) { - if (unlikely (i >= count)) set_error (); + if (unlikely (i >= count)) + { + set_error (); + return Crap (ELEM); + } return elements[i]; } void push (const ELEM &v) { - if (likely (count < elements.length)) + if (likely (count < LIMIT)) elements[count++] = v; else set_error (); } ELEM &push () { - if (likely (count < elements.length)) + if (likely (count < LIMIT)) return elements[count++]; else { @@ -424,7 +390,7 @@ struct cff_stack_t const ELEM& peek () { - if (unlikely (count < 0)) + if (unlikely (count == 0)) { set_error (); return Null (ELEM); @@ -434,7 +400,7 @@ struct cff_stack_t void unpop () { - if (likely (count < elements.length)) + if (likely (count < LIMIT)) count++; else set_error (); @@ -442,18 +408,19 @@ struct cff_stack_t void clear () { count = 0; } - bool in_error () const { return (error || elements.in_error ()); } + bool in_error () const { return (error); } void set_error () { error = true; } unsigned int get_count () const { return count; } bool is_empty () const { return !count; } - static constexpr unsigned kSizeLimit = LIMIT; + hb_array_t sub_array (unsigned start, unsigned length) const + { return hb_array_t (elements).sub_array (start, length); } - protected: - bool error; - unsigned int count; - hb_vector_t elements; + private: + bool error = false; + unsigned int count = 0; + ELEM elements[LIMIT]; }; /* argument stack */ @@ -508,9 +475,6 @@ struct arg_stack_t : cff_stack_t return true; } - hb_array_t get_subarray (unsigned int start) const - { return S::elements.sub_array (start); } - private: typedef cff_stack_t S; }; @@ -518,8 +482,15 @@ struct arg_stack_t : cff_stack_t /* an operator prefixed by its operands in a byte string */ struct op_str_t { + /* This used to have a hb_ubytes_t. Using a pointer and length + * in a particular order, saves 8 bytes in this struct and more + * in our parsed_cs_op_t subclass. */ + + const unsigned char *ptr = nullptr; + op_code_t op; - byte_str_t str; + + uint8_t length = 0; }; /* base of OP_SERIALIZER */ @@ -530,9 +501,11 @@ struct op_serializer_t { TRACE_SERIALIZE (this); - HBUINT8 *d = c->allocate_size (opstr.str.length); + unsigned char *d = c->allocate_size (opstr.length); if (unlikely (!d)) return_trace (false); - memcpy (d, &opstr.str[0], opstr.str.length); + /* Faster than hb_memcpy for small strings. */ + for (unsigned i = 0; i < opstr.length; i++) + d[i] = opstr.ptr[i]; return_trace (true); } }; @@ -547,32 +520,40 @@ struct parsed_values_t } void fini () { values.fini (); } + void alloc (unsigned n) + { + values.alloc (n); + } + void add_op (op_code_t op, const byte_str_ref_t& str_ref = byte_str_ref_t ()) { VAL *val = values.push (); val->op = op; - val->str = str_ref.str.sub_str (opStart, str_ref.offset - opStart); - opStart = str_ref.offset; + auto arr = str_ref.sub_array (opStart, str_ref.get_offset () - opStart); + val->ptr = arr.arrayZ; + val->length = arr.length; + opStart = str_ref.get_offset (); } void add_op (op_code_t op, const byte_str_ref_t& str_ref, const VAL &v) { VAL *val = values.push (v); val->op = op; - val->str = str_ref.sub_str ( opStart, str_ref.offset - opStart); - opStart = str_ref.offset; + auto arr = str_ref.sub_array (opStart, str_ref.get_offset () - opStart); + val->ptr = arr.arrayZ; + val->length = arr.length; + opStart = str_ref.get_offset (); } bool has_op (op_code_t op) const { - for (unsigned int i = 0; i < get_count (); i++) - if (get_value (i).op == op) return true; + for (const auto& v : values) + if (v.op == op) return true; return false; } unsigned get_count () const { return values.length; } - const VAL &get_value (unsigned int i) const { return values[i]; } - const VAL &operator [] (unsigned int i) const { return get_value (i); } + const VAL &operator [] (unsigned int i) const { return values[i]; } unsigned int opStart; hb_vector_t values; @@ -581,32 +562,29 @@ struct parsed_values_t template struct interp_env_t { - void init (const byte_str_t &str_) + interp_env_t () {} + interp_env_t (const hb_ubytes_t &str_) { str_ref.reset (str_); - argStack.init (); - error = false; } - void fini () { argStack.fini (); } - bool in_error () const - { return error || str_ref.in_error () || argStack.in_error (); } + { return str_ref.in_error () || argStack.in_error (); } - void set_error () { error = true; } + void set_error () { str_ref.set_error (); } op_code_t fetch_op () { op_code_t op = OpCode_Invalid; if (unlikely (!str_ref.avail ())) return OpCode_Invalid; - op = (op_code_t)(unsigned char)str_ref[0]; + op = (op_code_t) str_ref.head_unchecked (); + str_ref.inc (); if (op == OpCode_escape) { if (unlikely (!str_ref.avail ())) return OpCode_Invalid; - op = Make_OpCode_ESC(str_ref[1]); + op = Make_OpCode_ESC (str_ref.head_unchecked ()); str_ref.inc (); } - str_ref.inc (); return op; } @@ -621,11 +599,9 @@ struct interp_env_t str_ref; arg_stack_t argStack; - protected: - bool error; }; -typedef interp_env_t<> num_interp_env_t; +using num_interp_env_t = interp_env_t<>; template struct opset_t @@ -668,11 +644,8 @@ struct opset_t template struct interpreter_t { - ~interpreter_t() { fini (); } - - void fini () { env.fini (); } - - ENV env; + interpreter_t (ENV& env_) : env (env_) {} + ENV& env; }; } /* namespace CFF */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-cs-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-cs-common.hh index ef299369b5..f93c83ab45 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-cs-common.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-cs-common.hh @@ -57,6 +57,7 @@ struct call_context_t /* call stack */ const unsigned int kMaxCallLimit = 10; +const unsigned int kMaxOps = 10000; struct call_stack_t : cff_stack_t {}; template @@ -79,10 +80,10 @@ struct biased_subrs_t unsigned int get_count () const { return subrs ? subrs->count : 0; } unsigned int get_bias () const { return bias; } - byte_str_t operator [] (unsigned int index) const + hb_ubytes_t operator [] (unsigned int index) const { if (unlikely (!subrs || index >= subrs->count)) - return Null (byte_str_t); + return hb_ubytes_t (); else return (*subrs)[index]; } @@ -112,10 +113,9 @@ struct point_t template struct cs_interp_env_t : interp_env_t { - void init (const byte_str_t &str, const SUBRS *globalSubrs_, const SUBRS *localSubrs_) + cs_interp_env_t (const hb_ubytes_t &str, const SUBRS *globalSubrs_, const SUBRS *localSubrs_) : + interp_env_t (str) { - interp_env_t::init (str); - context.init (str, CSType_CharString); seen_moveto = true; seen_hintmask = false; @@ -123,15 +123,11 @@ struct cs_interp_env_t : interp_env_t vstem_count = 0; hintmask_size = 0; pt.set_int (0, 0); - callStack.init (); globalSubrs.init (globalSubrs_); localSubrs.init (localSubrs_); } - void fini () + ~cs_interp_env_t () { - interp_env_t::fini (); - - callStack.fini (); globalSubrs.fini (); localSubrs.fini (); } @@ -880,11 +876,19 @@ struct path_procs_t template struct cs_interpreter_t : interpreter_t { + cs_interpreter_t (ENV& env_) : interpreter_t (env_) {} + bool interpret (PARAM& param) { SUPER::env.set_endchar (false); + unsigned max_ops = kMaxOps; for (;;) { + if (unlikely (!--max_ops)) + { + SUPER::env.set_error (); + break; + } OPSET::process_op (SUPER::env.fetch_op (), SUPER::env, param); if (unlikely (SUPER::env.in_error ())) return false; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-dict-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-dict-common.hh index a520ca3bce..79fe9b42c5 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-dict-common.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-cff-interp-dict-common.hh @@ -179,6 +179,8 @@ struct top_dict_opset_t : dict_opset_t template struct dict_interpreter_t : interpreter_t { + dict_interpreter_t (ENV& env_) : interpreter_t (env_) {} + bool interpret (PARAM& param) { param.init (); diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cff1-interp-cs.hh b/src/3rdparty/harfbuzz-ng/src/hb-cff1-interp-cs.hh index 1c8762c172..b306c2ecc9 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-cff1-interp-cs.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-cff1-interp-cs.hh @@ -38,17 +38,15 @@ typedef biased_subrs_t cff1_biased_subrs_t; struct cff1_cs_interp_env_t : cs_interp_env_t { template - void init (const byte_str_t &str, ACC &acc, unsigned int fd) + cff1_cs_interp_env_t (const hb_ubytes_t &str, ACC &acc, unsigned int fd) + : SUPER (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs) { - SUPER::init (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs); processed_width = false; has_width = false; arg_start = 0; in_seac = false; } - void fini () { SUPER::fini (); } - void set_width (bool has_width_) { if (likely (!processed_width && (SUPER::argStack.get_count () > 0))) @@ -154,7 +152,7 @@ struct cff1_cs_opset_t : cs_opset_t -struct cff1_cs_interpreter_t : cs_interpreter_t {}; +using cff1_cs_interpreter_t = cs_interpreter_t; } /* namespace CFF */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cff2-interp-cs.hh b/src/3rdparty/harfbuzz-ng/src/hb-cff2-interp-cs.hh index 766183760e..00c25800e6 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-cff2-interp-cs.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-cff2-interp-cs.hh @@ -40,13 +40,15 @@ struct blend_arg_t : number_t void set_real (double v) { reset_blends (); number_t::set_real (v); } void set_blends (unsigned int numValues_, unsigned int valueIndex_, - unsigned int numBlends, hb_array_t blends_) + hb_array_t blends_) { numValues = numValues_; valueIndex = valueIndex_; - deltas.resize (numBlends); + unsigned numBlends = blends_.length; + if (unlikely (!deltas.resize (numBlends))) + return; for (unsigned int i = 0; i < numBlends; i++) - deltas[i] = blends_[i]; + deltas.arrayZ[i] = blends_.arrayZ[i]; } bool blending () const { return deltas.length > 0; } @@ -61,17 +63,16 @@ struct blend_arg_t : number_t hb_vector_t deltas; }; -typedef interp_env_t BlendInterpEnv; typedef biased_subrs_t cff2_biased_subrs_t; -struct cff2_cs_interp_env_t : cs_interp_env_t +template +struct cff2_cs_interp_env_t : cs_interp_env_t { template - void init (const byte_str_t &str, ACC &acc, unsigned int fd, - const int *coords_=nullptr, unsigned int num_coords_=0) + cff2_cs_interp_env_t (const hb_ubytes_t &str, ACC &acc, unsigned int fd, + const int *coords_=nullptr, unsigned int num_coords_=0) + : SUPER (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs) { - SUPER::init (str, acc.globalSubrs, acc.privateDicts[fd].localSubrs); - coords = coords_; num_coords = num_coords_; varStore = acc.varStore; @@ -100,18 +101,14 @@ struct cff2_cs_interp_env_t : cs_interp_env_t return OpCode_return; } - const blend_arg_t& eval_arg (unsigned int i) + const ELEM& eval_arg (unsigned int i) { - blend_arg_t &arg = argStack[i]; - blend_arg (arg); - return arg; + return SUPER::argStack[i]; } - const blend_arg_t& pop_arg () + const ELEM& pop_arg () { - blend_arg_t &arg = argStack.pop (); - blend_arg (arg); - return arg; + return SUPER::argStack.pop (); } void process_blend () @@ -122,7 +119,7 @@ struct cff2_cs_interp_env_t : cs_interp_env_t if (do_blend) { if (unlikely (!scalars.resize (region_count))) - set_error (); + SUPER::set_error (); else varStore->varStore.get_region_scalars (get_ivs (), coords, num_coords, &scalars[0], region_count); @@ -133,10 +130,10 @@ struct cff2_cs_interp_env_t : cs_interp_env_t void process_vsindex () { - unsigned int index = argStack.pop_uint (); + unsigned int index = SUPER::argStack.pop_uint (); if (unlikely (seen_vsindex () || seen_blend)) { - set_error (); + SUPER::set_error (); } else { @@ -151,22 +148,19 @@ struct cff2_cs_interp_env_t : cs_interp_env_t void set_ivs (unsigned int ivs_) { ivs = ivs_; } bool seen_vsindex () const { return seen_vsindex_; } - protected: - void blend_arg (blend_arg_t &arg) + double blend_deltas (hb_array_t deltas) const { - if (do_blend && arg.blending ()) + double v = 0; + if (do_blend) { - if (likely (scalars.length == arg.deltas.length)) + if (likely (scalars.length == deltas.length)) { - double v = arg.to_real (); - for (unsigned int i = 0; i < scalars.length; i++) - { - v += (double)scalars[i] * arg.deltas[i].to_real (); - } - arg.set_real (v); - arg.deltas.resize (0); + unsigned count = scalars.length; + for (unsigned i = 0; i < count; i++) + v += (double) scalars.arrayZ[i] * deltas.arrayZ[i].to_real (); } } + return v; } protected: @@ -180,22 +174,24 @@ struct cff2_cs_interp_env_t : cs_interp_env_t bool seen_vsindex_; bool seen_blend; - typedef cs_interp_env_t SUPER; + typedef cs_interp_env_t SUPER; }; -template > -struct cff2_cs_opset_t : cs_opset_t +template , PARAM>> +struct cff2_cs_opset_t : cs_opset_t, PARAM, PATH> { - static void process_op (op_code_t op, cff2_cs_interp_env_t &env, PARAM& param) + static void process_op (op_code_t op, cff2_cs_interp_env_t &env, PARAM& param) { switch (op) { case OpCode_callsubr: case OpCode_callgsubr: /* a subroutine number shouldn't be a blended value */ +#if 0 if (unlikely (env.argStack.peek ().blending ())) { env.set_error (); break; } +#endif SUPER::process_op (op, env, param); break; @@ -204,11 +200,13 @@ struct cff2_cs_opset_t : cs_opset_t + static void process_arg_blend (cff2_cs_interp_env_t &env, + ELEM &arg, + const hb_array_t blends, + unsigned n, unsigned i) + { + arg.set_blends (n, i, blends); + } + template + static void process_arg_blend (cff2_cs_interp_env_t &env, + ELEM &arg, + const hb_array_t blends, + unsigned n, unsigned i) + { + arg.set_real (arg.to_real () + env.blend_deltas (blends)); + } + + static void process_blend (cff2_cs_interp_env_t &env, PARAM& param) { unsigned int n, k; @@ -234,26 +251,26 @@ struct cff2_cs_opset_t : cs_opset_t blends = env.argStack.get_subarray (start + n + (i * k)); - env.argStack[start + i].set_blends (n, i, k, blends); + const hb_array_t blends = env.argStack.sub_array (start + n + (i * k), k); + process_arg_blend (env, env.argStack[start + i], blends, n, i); } /* pop off blend values leaving default values now adorned with blend values */ env.argStack.pop (k * n); } - static void process_vsindex (cff2_cs_interp_env_t &env, PARAM& param) + static void process_vsindex (cff2_cs_interp_env_t &env, PARAM& param) { env.process_vsindex (); env.clear_args (); } private: - typedef cs_opset_t SUPER; + typedef cs_opset_t, PARAM, PATH> SUPER; }; -template -struct cff2_cs_interpreter_t : cs_interpreter_t {}; +template +using cff2_cs_interpreter_t = cs_interpreter_t, OPSET, PARAM>; } /* namespace CFF */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-common.cc b/src/3rdparty/harfbuzz-ng/src/hb-common.cc index 41229b9183..e9f9cfeb5f 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-common.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-common.cc @@ -99,7 +99,7 @@ _hb_options_init () } /* This is idempotent and threadsafe. */ - _hb_options.set_relaxed (u.i); + _hb_options = u.i; } @@ -108,7 +108,7 @@ _hb_options_init () /** * hb_tag_from_string: * @str: (array length=len) (element-type uint8_t): String to convert - * @len: Length of @str, or -1 if it is %NULL-terminated + * @len: Length of @str, or -1 if it is `NULL`-terminated * * Converts a string into an #hb_tag_t. Valid tags * are four characters. Shorter input strings will be @@ -160,7 +160,7 @@ hb_tag_to_string (hb_tag_t tag, char *buf) /* hb_direction_t */ -const char direction_strings[][4] = { +static const char direction_strings[][4] = { "ltr", "rtl", "ttb", @@ -170,7 +170,7 @@ const char direction_strings[][4] = { /** * hb_direction_from_string: * @str: (array length=len) (element-type uint8_t): String to convert - * @len: Length of @str, or -1 if it is %NULL-terminated + * @len: Length of @str, or -1 if it is `NULL`-terminated * * Converts a string to an #hb_direction_t. * @@ -285,7 +285,7 @@ struct hb_language_item_t { lang = (hb_language_t) hb_malloc(len); if (likely (lang)) { - memcpy((unsigned char *) lang, s, len); + hb_memcpy((unsigned char *) lang, s, len); for (unsigned char *p = (unsigned char *) lang; *p; p++) *p = canon_map[*p]; } @@ -357,7 +357,7 @@ retry: * hb_language_from_string: * @str: (array length=len) (element-type uint8_t): a string representing * a BCP 47 language tag - * @len: length of the @str, or -1 if it is %NULL-terminated. + * @len: length of the @str, or -1 if it is `NULL`-terminated. * * Converts @str representing a BCP 47 language tag to the corresponding * #hb_language_t. @@ -379,7 +379,7 @@ hb_language_from_string (const char *str, int len) /* NUL-terminate it. */ char strbuf[64]; len = hb_min (len, (int) sizeof (strbuf) - 1); - memcpy (strbuf, str, len); + hb_memcpy (strbuf, str, len); strbuf[len] = '\0'; item = lang_find_or_insert (strbuf); } @@ -396,7 +396,7 @@ hb_language_from_string (const char *str, int len) * Converts an #hb_language_t to a string. * * Return value: (transfer none): - * A %NULL-terminated string representing the @language. Must not be freed by + * A `NULL`-terminated string representing the @language. Must not be freed by * the caller. * * Since: 0.9.2 @@ -441,6 +441,38 @@ hb_language_get_default () return language; } +/** + * hb_language_matches: + * @language: The #hb_language_t to work on + * @specific: Another #hb_language_t + * + * Check whether a second language tag is the same or a more + * specific version of the provided language tag. For example, + * "fa_IR.utf8" is a more specific tag for "fa" or for "fa_IR". + * + * Return value: `true` if languages match, `false` otherwise. + * + * Since: 5.0.0 + **/ +hb_bool_t +hb_language_matches (hb_language_t language, + hb_language_t specific) +{ + if (language == specific) return true; + if (!language || !specific) return false; + + const char *l = language->s; + const char *s = specific->s; + unsigned ll = strlen (l); + unsigned sl = strlen (s); + + if (ll > sl) + return false; + + return strncmp (l, s, ll) == 0 && + (s[ll] == '\0' || s[ll] == '-'); +} + /* hb_script_t */ @@ -498,7 +530,7 @@ hb_script_from_iso15924_tag (hb_tag_t tag) * hb_script_from_string: * @str: (array length=len) (element-type uint8_t): a string representing an * ISO 15924 tag. - * @len: length of the @str, or -1 if it is %NULL-terminated. + * @len: length of the @str, or -1 if it is `NULL`-terminated. * * Converts a string @str representing an ISO 15924 script tag to a * corresponding #hb_script_t. Shorthand for hb_tag_from_string() then @@ -693,8 +725,8 @@ hb_version_string () * Tests the library version against a minimum value, * as three integer components. * - * Return value: %true if the library is equal to or greater than - * the test value, %false otherwise + * Return value: `true` if the library is equal to or greater than + * the test value, `false` otherwise * * Since: 0.9.30 **/ @@ -881,7 +913,7 @@ parse_one_feature (const char **pp, const char *end, hb_feature_t *feature) /** * hb_feature_from_string: * @str: (array length=len) (element-type uint8_t): a string to parse - * @len: length of @str, or -1 if string is %NULL terminated + * @len: length of @str, or -1 if string is `NULL` terminated * @feature: (out): the #hb_feature_t to initialize with the parsed values * * Parses a string into a #hb_feature_t. @@ -923,7 +955,7 @@ parse_one_feature (const char **pp, const char *end, hb_feature_t *feature) * * * Return value: - * %true if @str is successfully parsed, %false otherwise + * `true` if @str is successfully parsed, `false` otherwise * * Since: 0.9.5 **/ @@ -944,7 +976,7 @@ hb_feature_from_string (const char *str, int len, } if (feature) - memset (feature, 0, sizeof (*feature)); + hb_memset (feature, 0, sizeof (*feature)); return false; } @@ -954,7 +986,7 @@ hb_feature_from_string (const char *str, int len, * @buf: (array length=size) (out): output string * @size: the allocated size of @buf * - * Converts a #hb_feature_t into a %NULL-terminated string in the format + * Converts a #hb_feature_t into a `NULL`-terminated string in the format * understood by hb_feature_from_string(). The client in responsible for * allocating big enough size for @buf, 128 bytes is more than enough. * @@ -993,7 +1025,7 @@ hb_feature_to_string (hb_feature_t *feature, } assert (len < ARRAY_LENGTH (s)); len = hb_min (len, size - 1); - memcpy (buf, s, len); + hb_memcpy (buf, s, len); buf[len] = '\0'; } @@ -1022,7 +1054,7 @@ parse_one_variation (const char **pp, const char *end, hb_variation_t *variation /** * hb_variation_from_string: * @str: (array length=len) (element-type uint8_t): a string to parse - * @len: length of @str, or -1 if string is %NULL terminated + * @len: length of @str, or -1 if string is `NULL` terminated * @variation: (out): the #hb_variation_t to initialize with the parsed values * * Parses a string into a #hb_variation_t. @@ -1035,7 +1067,7 @@ parse_one_variation (const char **pp, const char *end, hb_variation_t *variation * number. For example `wght=500`, or `slnt=-7.5`. * * Return value: - * %true if @str is successfully parsed, %false otherwise + * `true` if @str is successfully parsed, `false` otherwise * * Since: 1.4.2 */ @@ -1056,7 +1088,7 @@ hb_variation_from_string (const char *str, int len, } if (variation) - memset (variation, 0, sizeof (*variation)); + hb_memset (variation, 0, sizeof (*variation)); return false; } @@ -1104,10 +1136,10 @@ get_C_locale () /** * hb_variation_to_string: * @variation: an #hb_variation_t to convert - * @buf: (array length=size) (out): output string + * @buf: (array length=size) (out caller-allocates): output string * @size: the allocated size of @buf * - * Converts an #hb_variation_t into a %NULL-terminated string in the format + * Converts an #hb_variation_t into a `NULL`-terminated string in the format * understood by hb_variation_from_string(). The client in responsible for * allocating big enough size for @buf, 128 bytes is more than enough. * @@ -1134,7 +1166,7 @@ hb_variation_to_string (hb_variation_t *variation, assert (len < ARRAY_LENGTH (s)); len = hb_min (len, size - 1); - memcpy (buf, s, len); + hb_memcpy (buf, s, len); buf[len] = '\0'; } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-common.h b/src/3rdparty/harfbuzz-ng/src/hb-common.h index 7b897a6c51..e92feb9898 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-common.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-common.h @@ -326,6 +326,9 @@ hb_language_to_string (hb_language_t language); HB_EXTERN hb_language_t hb_language_get_default (void); +HB_EXTERN hb_bool_t +hb_language_matches (hb_language_t language, + hb_language_t specific); /** * hb_script_t: @@ -492,6 +495,8 @@ hb_language_get_default (void); * @HB_SCRIPT_TOTO: `Toto`, Since: 3.0.0 * @HB_SCRIPT_VITHKUQI: `Vith`, Since: 3.0.0 * @HB_SCRIPT_MATH: `Zmth`, Since: 3.4.0 + * @HB_SCRIPT_KAWI: `Kawi`, Since: 5.2.0 + * @HB_SCRIPT_NAG_MUNDARI: `Nagm`, Since: 5.2.0 * @HB_SCRIPT_INVALID: No script set * * Data type for scripts. Each #hb_script_t's value is an #hb_tag_t corresponding @@ -713,6 +718,12 @@ typedef enum */ HB_SCRIPT_MATH = HB_TAG ('Z','m','t','h'), + /* + * Since 5.2.0 + */ + HB_SCRIPT_KAWI = HB_TAG ('K','a','w','i'), /*15.0*/ + HB_SCRIPT_NAG_MUNDARI = HB_TAG ('N','a','g','m'), /*15.0*/ + /* No script set. */ HB_SCRIPT_INVALID = HB_TAG_NONE, diff --git a/src/3rdparty/harfbuzz-ng/src/hb-config.hh b/src/3rdparty/harfbuzz-ng/src/hb-config.hh index 4b46dea938..98b1e9d0cf 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-config.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-config.hh @@ -35,6 +35,10 @@ #include "config.h" #endif +#ifndef HB_EXPERIMENTAL_API +#define HB_NO_BEYOND_64K +#define HB_NO_VAR_COMPOSITES +#endif #ifdef HB_TINY #define HB_LEAN @@ -64,9 +68,11 @@ #define HB_NO_FACE_COLLECT_UNICODES #define HB_NO_GETENV #define HB_NO_HINTING +#define HB_NO_LANGUAGE_LONG #define HB_NO_LANGUAGE_PRIVATE_SUBTAG #define HB_NO_LAYOUT_FEATURE_PARAMS #define HB_NO_LAYOUT_COLLECT_GLYPHS +#define HB_NO_LAYOUT_RARELY_USED #define HB_NO_LAYOUT_UNUSED #define HB_NO_MATH #define HB_NO_META @@ -79,6 +85,7 @@ #define HB_NO_OT_SHAPE_FRACTIONS #define HB_NO_STYLE #define HB_NO_SUBSET_LAYOUT +#define HB_NO_VERTICAL #define HB_NO_VAR #endif @@ -97,12 +104,22 @@ /* Closure of options. */ +#ifdef HB_NO_BORING_EXPANSION +#define HB_NO_BEYOND_64K +#define HB_NO_AVAR2 +#endif + #ifdef HB_DISABLE_DEPRECATED #define HB_IF_NOT_DEPRECATED(x) #else #define HB_IF_NOT_DEPRECATED(x) x #endif +#ifdef HB_NO_SHAPER +#define HB_NO_OT_SHAPE +#define HB_NO_AAT_SHAPE +#endif + #ifdef HB_NO_AAT #define HB_NO_OT_NAME_LANGUAGE_AAT #define HB_NO_AAT_SHAPE @@ -145,10 +162,11 @@ #endif #ifdef HB_NO_OT_SHAPE_FALLBACK -#define HB_NO_OT_SHAPE_COMPLEX_ARABIC_FALLBACK -#define HB_NO_OT_SHAPE_COMPLEX_HEBREW_FALLBACK -#define HB_NO_OT_SHAPE_COMPLEX_THAI_FALLBACK -#define HB_NO_OT_SHAPE_COMPLEX_VOWEL_CONSTRAINTS +#define HB_NO_OT_SHAPER_ARABIC_FALLBACK +#define HB_NO_OT_SHAPER_HEBREW_FALLBACK +#define HB_NO_OT_SHAPER_THAI_FALLBACK +#define HB_NO_OT_SHAPER_VOWEL_CONSTRAINTS +#define HB_NO_OT_SHAPER_MYANMAR_ZAWGYI #endif #ifdef NDEBUG @@ -163,5 +181,9 @@ #endif #endif +#ifdef HB_OPTIMIZE_SIZE +#define HB_NO_OT_LAYOUT_LOOKUP_CACHE +#endif + #endif /* HB_CONFIG_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc b/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc index 6ccc1b0a2b..4267e0e13e 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc @@ -332,7 +332,7 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font) return nullptr; } - if (font->coords) + if (font->num_coords) { CFMutableDictionaryRef variations = CFDictionaryCreateMutable (kCFAllocatorDefault, @@ -347,10 +347,13 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font) hb_ot_var_axis_info_t info; unsigned int c = 1; hb_ot_var_get_axis_infos (font->face, i, &c, &info); - CFDictionarySetValue (variations, - CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &info.tag), - CFNumberCreate (kCFAllocatorDefault, kCFNumberFloatType, &font->design_coords[i]) - ); + float v = hb_clamp (font->design_coords[i], info.min_value, info.max_value); + + CFNumberRef tag_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &info.tag); + CFNumberRef value_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberFloatType, &v); + CFDictionarySetValue (variations, tag_number, value_number); + CFRelease (tag_number); + CFRelease (value_number); } CFDictionaryRef attributes = @@ -379,37 +382,6 @@ _hb_coretext_shaper_font_data_destroy (hb_coretext_font_data_t *data) CFRelease ((CTFontRef) data); } -static const hb_coretext_font_data_t * -hb_coretext_font_data_sync (hb_font_t *font) -{ -retry: - const hb_coretext_font_data_t *data = font->data.coretext; - if (unlikely (!data)) return nullptr; - - if (fabs (CTFontGetSize ((CTFontRef) data) - (CGFloat) font->ptem) > (CGFloat) .5) - { - /* XXX-MT-bug - * Note that evaluating condition above can be dangerous if another thread - * got here first and destructed data. That's, as always, bad use pattern. - * If you modify the font (change font size), other threads must not be - * using it at the same time. However, since this check is delayed to - * when one actually tries to shape something, this is a XXX race condition - * (and the only one we have that I know of) right now. Ie. you modify the - * font size in one thread, then (supposedly safely) try to use it from two - * or more threads and BOOM! I'm not sure how to fix this. We want RCU. - */ - - /* Drop and recreate. */ - /* If someone dropped it in the mean time, throw it away and don't touch it. - * Otherwise, destruct it. */ - if (likely (font->data.coretext.cmpexch (const_cast (data), nullptr))) - _hb_coretext_shaper_font_data_destroy (const_cast (data)); - else - goto retry; - } - return font->data.coretext; -} - /** * hb_coretext_font_create: * @ct_font: The CTFontRef to work upon @@ -455,8 +427,8 @@ hb_coretext_font_create (CTFontRef ct_font) CTFontRef hb_coretext_font_get_ct_font (hb_font_t *font) { - const hb_coretext_font_data_t *data = hb_coretext_font_data_sync (font); - return data ? (CTFontRef) data : nullptr; + CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext; + return ct_font ? (CTFontRef) ct_font : nullptr; } @@ -516,7 +488,7 @@ _hb_coretext_shape (hb_shape_plan_t *shape_plan, { hb_face_t *face = font->face; CGFontRef cg_font = (CGFontRef) (const void *) face->data.coretext; - CTFontRef ct_font = (CTFontRef) hb_coretext_font_data_sync (font); + CTFontRef ct_font = (CTFontRef) (const void *) font->data.coretext; CGFloat ct_font_size = CTFontGetSize (ct_font); CGFloat x_mult = (CGFloat) font->x_scale / ct_font_size; @@ -679,7 +651,7 @@ _hb_coretext_shape (hb_shape_plan_t *shape_plan, } else { active_feature_t *feature = active_features.lsearch (event->feature); if (feature) - active_features.remove (feature - active_features.arrayZ); + active_features.remove_ordered (feature - active_features.arrayZ); } } } @@ -1106,7 +1078,8 @@ resize_and_retry: advance = positions[j + 1].x - positions[j].x; else /* last glyph */ advance = run_advance - (positions[j].x - positions[0].x); - info->mask = round (advance * x_mult); + /* int cast necessary to pass through negative values. */ + info->mask = (int) round (advance * x_mult); info->var1.i32 = x_offset; info->var2.i32 = round (positions[j].y * y_mult); info++; @@ -1122,7 +1095,8 @@ resize_and_retry: advance = positions[j + 1].y - positions[j].y; else /* last glyph */ advance = run_advance - (positions[j].y - positions[0].y); - info->mask = round (advance * y_mult); + /* int cast necessary to pass through negative values. */ + info->mask = (int) round (advance * y_mult); info->var1.i32 = round (positions[j].x * x_mult); info->var2.i32 = y_offset; info++; @@ -1151,7 +1125,7 @@ resize_and_retry: pos->x_offset = info->var1.i32; pos->y_offset = info->var2.i32; - info++, pos++; + info++; pos++; } else for (unsigned int i = 0; i < count; i++) @@ -1160,7 +1134,7 @@ resize_and_retry: pos->x_offset = info->var1.i32; pos->y_offset = info->var2.i32; - info++, pos++; + info++; pos++; } /* Fix up clusters so that we never return out-of-order indices; @@ -1173,7 +1147,8 @@ resize_and_retry: * This does *not* mean we'll form the same clusters as Uniscribe * or the native OT backend, only that the cluster indices will be * monotonic in the output buffer. */ - if (count > 1 && (status_or & kCTRunStatusNonMonotonic)) + if (count > 1 && (status_or & kCTRunStatusNonMonotonic) && + buffer->cluster_level != HB_BUFFER_CLUSTER_LEVEL_CHARACTERS) { hb_glyph_info_t *info = buffer->info; if (HB_DIRECTION_IS_FORWARD (buffer->props.direction)) @@ -1197,6 +1172,10 @@ resize_and_retry: } } + /* TODO: Sometimes the above positioning code generates negative + * advance values. Fix them up. Example, with NotoNastaliqUrdu + * font and sequence ابهد. */ + buffer->clear_glyph_flags (); buffer->unsafe_to_break (); diff --git a/src/3rdparty/harfbuzz-ng/src/hb-cplusplus.hh b/src/3rdparty/harfbuzz-ng/src/hb-cplusplus.hh new file mode 100644 index 0000000000..a210ab7960 --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/hb-cplusplus.hh @@ -0,0 +1,221 @@ +/* + * Copyright © 2022 Behdad Esfahbod + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + */ + +#ifndef HB_CPLUSPLUS_HH +#define HB_CPLUSPLUS_HH + +#include "hb.h" + +HB_BEGIN_DECLS +HB_END_DECLS + +#ifdef __cplusplus + +#include +#include + +#if 0 +#if !(__cplusplus >= 201103L) +#error "HarfBuzz C++ helpers require C++11" +#endif +#endif + +namespace hb { + + +template +struct vtable; + +template +struct shared_ptr +{ + using element_type = T; + + using v = vtable; + + explicit shared_ptr (T *p = nullptr) : p (p) {} + shared_ptr (const shared_ptr &o) : p (v::reference (o.p)) {} + shared_ptr (shared_ptr &&o) : p (o.p) { o.p = nullptr; } + shared_ptr& operator = (const shared_ptr &o) { if (p != o.p) { destroy (); p = o.p; reference (); } return *this; } + shared_ptr& operator = (shared_ptr &&o) { v::destroy (p); p = o.p; o.p = nullptr; return *this; } + ~shared_ptr () { v::destroy (p); p = nullptr; } + + T* get() const { return p; } + + void swap (shared_ptr &o) { std::swap (p, o.p); } + friend void swap (shared_ptr &a, shared_ptr &b) { std::swap (a.p, b.p); } + + operator T * () const { return p; } + T& operator * () const { return *get (); } + T* operator -> () const { return get (); } + operator bool () const { return p; } + bool operator == (const shared_ptr &o) const { return p == o.p; } + bool operator != (const shared_ptr &o) const { return p != o.p; } + + static T* get_empty() { return v::get_empty (); } + T* reference() { return v::reference (p); } + void destroy() { v::destroy (p); } + void set_user_data (hb_user_data_key_t *key, + void *value, + hb_destroy_func_t destroy, + hb_bool_t replace) { v::set_user_data (p, key, value, destroy, replace); } + void * get_user_data (hb_user_data_key_t *key) { return v::get_user_data (p, key); } + + private: + T *p; +}; + +template struct is_shared_ptr : std::false_type {}; +template struct is_shared_ptr> : std::true_type {}; + +template +struct unique_ptr +{ + using element_type = T; + + using v = vtable; + + explicit unique_ptr (T *p = nullptr) : p (p) {} + unique_ptr (const unique_ptr &o) = delete; + unique_ptr (unique_ptr &&o) : p (o.p) { o.p = nullptr; } + unique_ptr& operator = (const unique_ptr &o) = delete; + unique_ptr& operator = (unique_ptr &&o) { v::destroy (p); p = o.p; o.p = nullptr; return *this; } + ~unique_ptr () { v::destroy (p); p = nullptr; } + + T* get() const { return p; } + T* release () { T* v = p; p = nullptr; return v; } + + void swap (unique_ptr &o) { std::swap (p, o.p); } + friend void swap (unique_ptr &a, unique_ptr &b) { std::swap (a.p, b.p); } + + operator T * () const { return p; } + T& operator * () const { return *get (); } + T* operator -> () const { return get (); } + operator bool () { return p; } + + private: + T *p; +}; + +template struct is_unique_ptr : std::false_type {}; +template struct is_unique_ptr> : std::true_type {}; + +template +struct vtable_t +{ + static constexpr auto get_empty = _get_empty; + static constexpr auto reference = _reference; + static constexpr auto destroy = _destroy; + static constexpr auto set_user_data = _set_user_data; + static constexpr auto get_user_data = _get_user_data; +}; + +#define HB_DEFINE_VTABLE(name) \ + template<> \ + struct vtable \ + : vtable_t {} + +HB_DEFINE_VTABLE (buffer); +HB_DEFINE_VTABLE (blob); +HB_DEFINE_VTABLE (face); +HB_DEFINE_VTABLE (font); +HB_DEFINE_VTABLE (font_funcs); +HB_DEFINE_VTABLE (map); +HB_DEFINE_VTABLE (set); +HB_DEFINE_VTABLE (shape_plan); +HB_DEFINE_VTABLE (unicode_funcs); + +#undef HB_DEFINE_VTABLE + + +#ifdef HB_SUBSET_H + +#define HB_DEFINE_VTABLE(name) \ + template<> \ + struct vtable \ + : vtable_t {} + + +HB_DEFINE_VTABLE (subset_input); +HB_DEFINE_VTABLE (subset_plan); + +#undef HB_DEFINE_VTABLE + +#endif + + +} // namespace hb + +/* Workaround for GCC < 7, see: + * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480 + * https://stackoverflow.com/a/25594741 */ +namespace std { + + +template +struct hash> +{ + std::size_t operator()(const hb::shared_ptr& v) const noexcept + { + std::size_t h = std::hash{}(v.get ()); + return h; + } +}; + +template +struct hash> +{ + std::size_t operator()(const hb::unique_ptr& v) const noexcept + { + std::size_t h = std::hash{}(v.get ()); + return h; + } +}; + + +} // namespace std + +#endif /* __cplusplus */ + +#endif /* HB_CPLUSPLUS_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-debug.hh b/src/3rdparty/harfbuzz-ng/src/hb-debug.hh index 3ac7440e80..cbe13e5214 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-debug.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-debug.hh @@ -67,12 +67,12 @@ hb_options () #endif /* Make a local copy, so we can access bitfield threadsafely. */ hb_options_union_t u; - u.i = _hb_options.get_relaxed (); + u.i = _hb_options; if (unlikely (!u.i)) { _hb_options_init (); - u.i = _hb_options.get_relaxed (); + u.i = _hb_options; } return u.opts; @@ -460,4 +460,9 @@ struct hb_no_trace_t { #endif +#ifndef HB_BUFFER_MESSAGE_MORE +#define HB_BUFFER_MESSAGE_MORE (HB_DEBUG+1) +#endif + + #endif /* HB_DEBUG_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-deprecated.h b/src/3rdparty/harfbuzz-ng/src/hb-deprecated.h index a130d77f77..333dc3cd4c 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-deprecated.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-deprecated.h @@ -93,7 +93,7 @@ HB_BEGIN_DECLS * This method should retrieve the glyph ID for a specified Unicode code point * font, with an optional variation selector. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * Deprecated: 1.2.3 * **/ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc b/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc index f177ff31c0..de05b7d871 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc @@ -43,6 +43,14 @@ * Functions for using HarfBuzz with DirectWrite fonts. **/ +/* Declare object creator for dynamic support of DWRITE */ +typedef HRESULT (WINAPI *t_DWriteCreateFactory)( + DWRITE_FACTORY_TYPE factoryType, + REFIID iid, + IUnknown **factory +); + + /* * DirectWrite font stream helpers */ @@ -137,6 +145,7 @@ public: struct hb_directwrite_face_data_t { + HMODULE dwrite_dll; IDWriteFactory *dwriteFactory; IDWriteFontFile *fontFile; DWriteFontFileStream *fontFileStream; @@ -158,12 +167,33 @@ _hb_directwrite_shaper_face_data_create (hb_face_t *face) return nullptr; \ } HB_STMT_END + data->dwrite_dll = LoadLibrary (TEXT ("DWRITE")); + if (unlikely (!data->dwrite_dll)) + FAIL ("Cannot find DWrite.DLL"); + + t_DWriteCreateFactory p_DWriteCreateFactory; + +#if defined(__GNUC__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wcast-function-type" +#endif + + p_DWriteCreateFactory = (t_DWriteCreateFactory) + GetProcAddress (data->dwrite_dll, "DWriteCreateFactory"); + +#if defined(__GNUC__) +#pragma GCC diagnostic pop +#endif + + if (unlikely (!p_DWriteCreateFactory)) + FAIL ("Cannot find DWriteCreateFactory()."); + HRESULT hr; // TODO: factory and fontFileLoader should be cached separately IDWriteFactory* dwriteFactory; - hr = DWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory), - (IUnknown**) &dwriteFactory); + hr = p_DWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory), + (IUnknown**) &dwriteFactory); if (unlikely (hr != S_OK)) FAIL ("Failed to run DWriteCreateFactory()."); @@ -227,6 +257,8 @@ _hb_directwrite_shaper_face_data_destroy (hb_directwrite_face_data_t *data) delete data->fontFileStream; if (data->faceBlob) hb_blob_destroy (data->faceBlob); + if (data->dwrite_dll) + FreeLibrary (data->dwrite_dll); if (data) delete data; } @@ -241,17 +273,12 @@ struct hb_directwrite_font_data_t {}; hb_directwrite_font_data_t * _hb_directwrite_shaper_font_data_create (hb_font_t *font) { - hb_directwrite_font_data_t *data = new hb_directwrite_font_data_t; - if (unlikely (!data)) - return nullptr; - - return data; + return (hb_directwrite_font_data_t *) HB_SHAPER_DATA_SUCCEEDED; } void _hb_directwrite_shaper_font_data_destroy (hb_directwrite_font_data_t *data) { - delete data; } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-draw.cc b/src/3rdparty/harfbuzz-ng/src/hb-draw.cc index b31019b07e..72c203f24f 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-draw.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-draw.cc @@ -56,12 +56,14 @@ hb_draw_quadratic_to_nil (hb_draw_funcs_t *dfuncs, void *draw_data, float to_x, float to_y, void *user_data HB_UNUSED) { +#define HB_ONE_THIRD 0.33333333f dfuncs->emit_cubic_to (draw_data, *st, - (st->current_x + 2.f * control_x) / 3.f, - (st->current_y + 2.f * control_y) / 3.f, - (to_x + 2.f * control_x) / 3.f, - (to_y + 2.f * control_y) / 3.f, + (st->current_x + 2.f * control_x) * HB_ONE_THIRD, + (st->current_y + 2.f * control_y) * HB_ONE_THIRD, + (to_x + 2.f * control_x) * HB_ONE_THIRD, + (to_y + 2.f * control_y) * HB_ONE_THIRD, to_x, to_y); +#undef HB_ONE_THIRD } static void @@ -78,6 +80,56 @@ hb_draw_close_path_nil (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data HB_UN void *user_data HB_UNUSED) {} +static bool +_hb_draw_funcs_set_preamble (hb_draw_funcs_t *dfuncs, + bool func_is_null, + void **user_data, + hb_destroy_func_t *destroy) +{ + if (hb_object_is_immutable (dfuncs)) + { + if (*destroy) + (*destroy) (*user_data); + return false; + } + + if (func_is_null) + { + if (*destroy) + (*destroy) (*user_data); + *destroy = nullptr; + *user_data = nullptr; + } + + return true; +} + +static bool +_hb_draw_funcs_set_middle (hb_draw_funcs_t *dfuncs, + void *user_data, + hb_destroy_func_t destroy) +{ + if (user_data && !dfuncs->user_data) + { + dfuncs->user_data = (decltype (dfuncs->user_data)) hb_calloc (1, sizeof (*dfuncs->user_data)); + if (unlikely (!dfuncs->user_data)) + goto fail; + } + if (destroy && !dfuncs->destroy) + { + dfuncs->destroy = (decltype (dfuncs->destroy)) hb_calloc (1, sizeof (*dfuncs->destroy)); + if (unlikely (!dfuncs->destroy)) + goto fail; + } + + return true; + +fail: + if (destroy) + (destroy) (user_data); + return false; +} + #define HB_DRAW_FUNC_IMPLEMENT(name) \ \ void \ @@ -86,35 +138,38 @@ hb_draw_funcs_set_##name##_func (hb_draw_funcs_t *dfuncs, \ void *user_data, \ hb_destroy_func_t destroy) \ { \ - if (hb_object_is_immutable (dfuncs)) \ - return; \ + if (!_hb_draw_funcs_set_preamble (dfuncs, !func, &user_data, &destroy))\ + return; \ \ - if (dfuncs->destroy.name) \ - dfuncs->destroy.name (dfuncs->user_data.name); \ - \ - if (func) { \ - dfuncs->func.name = func; \ - dfuncs->user_data.name = user_data; \ - dfuncs->destroy.name = destroy; \ - } else { \ - dfuncs->func.name = hb_draw_##name##_nil; \ - dfuncs->user_data.name = nullptr; \ - dfuncs->destroy.name = nullptr; \ - } \ + if (dfuncs->destroy && dfuncs->destroy->name) \ + dfuncs->destroy->name (!dfuncs->user_data ? nullptr : dfuncs->user_data->name); \ + \ + if (!_hb_draw_funcs_set_middle (dfuncs, user_data, destroy)) \ + return; \ + \ + if (func) \ + dfuncs->func.name = func; \ + else \ + dfuncs->func.name = hb_draw_##name##_nil; \ + \ + if (dfuncs->user_data) \ + dfuncs->user_data->name = user_data; \ + if (dfuncs->destroy) \ + dfuncs->destroy->name = destroy; \ } HB_DRAW_FUNCS_IMPLEMENT_CALLBACKS #undef HB_DRAW_FUNC_IMPLEMENT /** - * hb_draw_funcs_create: (Xconstructor) + * hb_draw_funcs_create: * * Creates a new draw callbacks object. * * Return value: (transfer full): * A newly allocated #hb_draw_funcs_t with a reference count of 1. The initial * reference count should be released with hb_draw_funcs_destroy when you are - * done using the #hb_draw_funcs_t. This function never returns %NULL. If + * done using the #hb_draw_funcs_t. This function never returns `NULL`. If * memory cannot be allocated, a special singleton #hb_draw_funcs_t object will * be returned. * @@ -177,11 +232,16 @@ hb_draw_funcs_destroy (hb_draw_funcs_t *dfuncs) { if (!hb_object_destroy (dfuncs)) return; + if (dfuncs->destroy) + { #define HB_DRAW_FUNC_IMPLEMENT(name) \ - if (dfuncs->destroy.name) dfuncs->destroy.name (dfuncs->user_data.name); - HB_DRAW_FUNCS_IMPLEMENT_CALLBACKS + if (dfuncs->destroy->name) dfuncs->destroy->name (!dfuncs->user_data ? nullptr : dfuncs->user_data->name); + HB_DRAW_FUNCS_IMPLEMENT_CALLBACKS #undef HB_DRAW_FUNC_IMPLEMENT + } + hb_free (dfuncs->destroy); + hb_free (dfuncs->user_data); hb_free (dfuncs); } @@ -209,7 +269,7 @@ hb_draw_funcs_make_immutable (hb_draw_funcs_t *dfuncs) * * Checks whether @dfuncs is immutable. * - * Return value: %true if @dfuncs is immutable, %false otherwise + * Return value: `true` if @dfuncs is immutable, `false` otherwise * * Since: 4.0.0 **/ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-draw.hh b/src/3rdparty/harfbuzz-ng/src/hb-draw.hh index 28bc9218e1..768f51a875 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-draw.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-draw.hh @@ -54,31 +54,31 @@ struct hb_draw_funcs_t #define HB_DRAW_FUNC_IMPLEMENT(name) void *name; HB_DRAW_FUNCS_IMPLEMENT_CALLBACKS #undef HB_DRAW_FUNC_IMPLEMENT - } user_data; + } *user_data; struct { #define HB_DRAW_FUNC_IMPLEMENT(name) hb_destroy_func_t name; HB_DRAW_FUNCS_IMPLEMENT_CALLBACKS #undef HB_DRAW_FUNC_IMPLEMENT - } destroy; + } *destroy; void emit_move_to (void *draw_data, hb_draw_state_t &st, float to_x, float to_y) { func.move_to (this, draw_data, &st, to_x, to_y, - user_data.move_to); } + !user_data ? nullptr : user_data->move_to); } void emit_line_to (void *draw_data, hb_draw_state_t &st, float to_x, float to_y) { func.line_to (this, draw_data, &st, to_x, to_y, - user_data.line_to); } + !user_data ? nullptr : user_data->line_to); } void emit_quadratic_to (void *draw_data, hb_draw_state_t &st, float control_x, float control_y, float to_x, float to_y) { func.quadratic_to (this, draw_data, &st, control_x, control_y, to_x, to_y, - user_data.quadratic_to); } + !user_data ? nullptr : user_data->quadratic_to); } void emit_cubic_to (void *draw_data, hb_draw_state_t &st, float control1_x, float control1_y, float control2_x, float control2_y, @@ -87,10 +87,10 @@ struct hb_draw_funcs_t control1_x, control1_y, control2_x, control2_y, to_x, to_y, - user_data.cubic_to); } + !user_data ? nullptr : user_data->cubic_to); } void emit_close_path (void *draw_data, hb_draw_state_t &st) { func.close_path (this, draw_data, &st, - user_data.close_path); } + !user_data ? nullptr : user_data->close_path); } void move_to (void *draw_data, hb_draw_state_t &st, diff --git a/src/3rdparty/harfbuzz-ng/src/hb-face.cc b/src/3rdparty/harfbuzz-ng/src/hb-face.cc index 5365598636..8b4b635c7a 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-face.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-face.cc @@ -132,7 +132,7 @@ hb_face_create_for_tables (hb_reference_table_func_t reference_table_func, face->user_data = user_data; face->destroy = destroy; - face->num_glyphs.set_relaxed (-1); + face->num_glyphs = -1; face->data.init0 (face); face->table.init0 (face); @@ -190,7 +190,7 @@ _hb_face_for_data_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void } /** - * hb_face_create: (Xconstructor) + * hb_face_create: * @blob: #hb_blob_t to work upon * @index: The index of the face within @blob * @@ -288,6 +288,7 @@ hb_face_destroy (hb_face_t *face) { if (!hb_object_destroy (face)) return; +#ifndef HB_NO_SHAPER for (hb_face_t::plan_node_t *node = face->shape_plans; node; ) { hb_face_t::plan_node_t *next = node->next; @@ -295,6 +296,7 @@ hb_face_destroy (hb_face_t *face) hb_free (node); node = next; } +#endif face->data.fini (); face->table.fini (); @@ -315,7 +317,7 @@ hb_face_destroy (hb_face_t *face) * * Attaches a user-data key/data pair to the given face object. * - * Return value: %true if success, %false otherwise + * Return value: `true` if success, `false` otherwise * * Since: 0.9.2 **/ @@ -371,7 +373,7 @@ hb_face_make_immutable (hb_face_t *face) * * Tests whether the given face object is immutable. * - * Return value: %true is @face is immutable, %false otherwise + * Return value: `true` is @face is immutable, `false` otherwise * * Since: 0.9.2 **/ @@ -479,7 +481,7 @@ hb_face_set_upem (hb_face_t *face, if (hb_object_is_immutable (face)) return; - face->upem.set_relaxed (upem); + face->upem = upem; } /** @@ -514,7 +516,7 @@ hb_face_set_glyph_count (hb_face_t *face, if (hb_object_is_immutable (face)) return; - face->num_glyphs.set_relaxed (glyph_count); + face->num_glyphs = glyph_count; } /** @@ -633,20 +635,29 @@ hb_face_collect_variation_unicodes (hb_face_t *face, * face-builder: A face that has add_table(). */ +struct face_table_info_t +{ + hb_blob_t* data; + signed order; +}; + struct hb_face_builder_data_t { - hb_hashmap_t tables; + hb_hashmap_t tables; }; static int compare_entries (const void* pa, const void* pb) { - const auto& a = * (const hb_pair_t *) pa; - const auto& b = * (const hb_pair_t *) pb; + const auto& a = * (const hb_pair_t *) pa; + const auto& b = * (const hb_pair_t *) pb; /* Order by blob size first (smallest to largest) and then table tag */ - if (a.second->length != b.second->length) - return a.second->length < b.second->length ? -1 : +1; + if (a.second.order != b.second.order) + return a.second.order < b.second.order ? -1 : +1; + + if (a.second.data->length != b.second.data->length) + return a.second.data->length < b.second.data->length ? -1 : +1; return a.first < b.first ? -1 : a.first == b.first ? 0 : +1; } @@ -668,8 +679,8 @@ _hb_face_builder_data_destroy (void *user_data) { hb_face_builder_data_t *data = (hb_face_builder_data_t *) user_data; - for (hb_blob_t* b : data->tables.values()) - hb_blob_destroy (b); + for (auto info : data->tables.values()) + hb_blob_destroy (info.data); data->tables.fini (); @@ -683,8 +694,8 @@ _hb_face_builder_data_reference_blob (hb_face_builder_data_t *data) unsigned int table_count = data->tables.get_population (); unsigned int face_length = table_count * 16 + 12; - for (hb_blob_t* b : data->tables.values()) - face_length += hb_ceil_to_4 (hb_blob_get_length (b)); + for (auto info : data->tables.values()) + face_length += hb_ceil_to_4 (hb_blob_get_length (info.data)); char *buf = (char *) hb_malloc (face_length); if (unlikely (!buf)) @@ -699,7 +710,7 @@ _hb_face_builder_data_reference_blob (hb_face_builder_data_t *data) hb_tag_t sfnt_tag = is_cff ? OT::OpenTypeFontFile::CFFTag : OT::OpenTypeFontFile::TrueTypeTag; // Sort the tags so that produced face is deterministic. - hb_vector_t> sorted_entries; + hb_vector_t> sorted_entries; data->tables.iter () | hb_sink (sorted_entries); if (unlikely (sorted_entries.in_error ())) { @@ -708,7 +719,13 @@ _hb_face_builder_data_reference_blob (hb_face_builder_data_t *data) } sorted_entries.qsort (compare_entries); - bool ret = f->serialize_single (&c, sfnt_tag, + sorted_entries.iter()); + + bool ret = f->serialize_single (&c, + sfnt_tag, + + sorted_entries.iter() + | hb_map ([&] (hb_pair_t _) { + return hb_pair_t (_.first, _.second.data); + })); c.end_serialize (); @@ -729,7 +746,7 @@ _hb_face_builder_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void if (!tag) return _hb_face_builder_data_reference_blob (data); - return hb_blob_reference (data->tables[tag]); + return hb_blob_reference (data->tables[tag].data); } @@ -769,16 +786,16 @@ hb_face_builder_create () hb_bool_t hb_face_builder_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob) { - if (tag == HB_MAP_VALUE_INVALID) + if (unlikely (face->destroy != (hb_destroy_func_t) _hb_face_builder_data_destroy)) return false; - if (unlikely (face->destroy != (hb_destroy_func_t) _hb_face_builder_data_destroy)) + if (tag == HB_MAP_VALUE_INVALID) return false; hb_face_builder_data_t *data = (hb_face_builder_data_t *) face->user_data; - hb_blob_t* previous = data->tables.get (tag); - if (!data->tables.set (tag, hb_blob_reference (blob))) + hb_blob_t* previous = data->tables.get (tag).data; + if (!data->tables.set (tag, face_table_info_t {hb_blob_reference (blob), -1})) { hb_blob_destroy (blob); return false; @@ -787,3 +804,39 @@ hb_face_builder_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob) hb_blob_destroy (previous); return true; } + +/** + * hb_face_builder_sort_tables: + * @face: A face object created with hb_face_builder_create() + * @tags: (array zero-terminated=1): ordered list of table tags terminated by + * %HB_TAG_NONE + * + * Set the ordering of tables for serialization. Any tables not + * specified in the tags list will be ordered after the tables in + * tags, ordered by the default sort ordering. + * + * Since: 5.3.0 + **/ +void +hb_face_builder_sort_tables (hb_face_t *face, + const hb_tag_t *tags) +{ + if (unlikely (face->destroy != (hb_destroy_func_t) _hb_face_builder_data_destroy)) + return; + + hb_face_builder_data_t *data = (hb_face_builder_data_t *) face->user_data; + + // Sort all unspecified tables after any specified tables. + for (auto& info : data->tables.values_ref()) + info.order = (unsigned) -1; + + signed order = 0; + for (const hb_tag_t* tag = tags; + *tag; + tag++) + { + face_table_info_t* info; + if (!data->tables.has (*tag, &info)) continue; + info->order = order++; + } +} diff --git a/src/3rdparty/harfbuzz-ng/src/hb-face.h b/src/3rdparty/harfbuzz-ng/src/hb-face.h index 6ef2f8b886..38e7104af6 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-face.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-face.h @@ -171,6 +171,10 @@ hb_face_builder_add_table (hb_face_t *face, hb_tag_t tag, hb_blob_t *blob); +HB_EXTERN void +hb_face_builder_sort_tables (hb_face_t *face, + const hb_tag_t *tags); + HB_END_DECLS diff --git a/src/3rdparty/harfbuzz-ng/src/hb-face.hh b/src/3rdparty/harfbuzz-ng/src/hb-face.hh index 765f272858..1bf0606e52 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-face.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-face.hh @@ -65,7 +65,9 @@ struct hb_face_t hb_shape_plan_t *shape_plan; plan_node_t *next; }; +#ifndef HB_NO_SHAPER hb_atomic_ptr_t shape_plans; +#endif hb_blob_t *reference_table (hb_tag_t tag) const { @@ -83,7 +85,7 @@ struct hb_face_t unsigned int get_upem () const { - unsigned int ret = upem.get_relaxed (); + unsigned int ret = upem; if (unlikely (!ret)) { return load_upem (); @@ -93,7 +95,7 @@ struct hb_face_t unsigned int get_num_glyphs () const { - unsigned int ret = num_glyphs.get_relaxed (); + unsigned int ret = num_glyphs; if (unlikely (ret == UINT_MAX)) return load_num_glyphs (); return ret; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-fallback-shape.cc b/src/3rdparty/harfbuzz-ng/src/hb-fallback-shape.cc index f8524ecc8e..c54ad8764b 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-fallback-shape.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-fallback-shape.cc @@ -75,16 +75,6 @@ _hb_fallback_shape (hb_shape_plan_t *shape_plan HB_UNUSED, const hb_feature_t *features HB_UNUSED, unsigned int num_features HB_UNUSED) { - /* TODO - * - * - Apply fallback kern. - * - Handle Variation Selectors? - * - Apply normalization? - * - * This will make the fallback shaper into a dumb "TrueType" - * shaper which many people unfortunately still request. - */ - hb_codepoint_t space; bool has_space = (bool) font->get_nominal_glyph (' ', &space); diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.cc b/src/3rdparty/harfbuzz-ng/src/hb-font.cc index db05f017a5..0ce3e2608a 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-font.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-font.cc @@ -71,7 +71,7 @@ hb_font_get_font_h_extents_nil (hb_font_t *font HB_UNUSED, hb_font_extents_t *extents, void *user_data HB_UNUSED) { - memset (extents, 0, sizeof (*extents)); + hb_memset (extents, 0, sizeof (*extents)); return false; } @@ -96,7 +96,7 @@ hb_font_get_font_v_extents_nil (hb_font_t *font HB_UNUSED, hb_font_extents_t *extents, void *user_data HB_UNUSED) { - memset (extents, 0, sizeof (*extents)); + hb_memset (extents, 0, sizeof (*extents)); return false; } @@ -409,7 +409,7 @@ hb_font_get_glyph_extents_nil (hb_font_t *font HB_UNUSED, hb_glyph_extents_t *extents, void *user_data HB_UNUSED) { - memset (extents, 0, sizeof (*extents)); + hb_memset (extents, 0, sizeof (*extents)); return false; } @@ -518,6 +518,7 @@ typedef struct hb_font_get_glyph_shape_default_adaptor_t { void *draw_data; float x_scale; float y_scale; + float slant; } hb_font_get_glyph_shape_default_adaptor_t; static void @@ -530,9 +531,10 @@ hb_draw_move_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data; float x_scale = adaptor->x_scale; float y_scale = adaptor->y_scale; + float slant = adaptor->slant; adaptor->draw_funcs->emit_move_to (adaptor->draw_data, *st, - x_scale * to_x, y_scale * to_y); + x_scale * to_x + slant * to_y, y_scale * to_y); } static void @@ -544,12 +546,13 @@ hb_draw_line_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data, hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data; float x_scale = adaptor->x_scale; float y_scale = adaptor->y_scale; + float slant = adaptor->slant; - st->current_x *= x_scale; - st->current_y *= y_scale; + st->current_x = st->current_x * x_scale + st->current_y * slant; + st->current_y = st->current_y * y_scale; adaptor->draw_funcs->emit_line_to (adaptor->draw_data, *st, - x_scale * to_x, y_scale * to_y); + x_scale * to_x + slant * to_y, y_scale * to_y); } static void @@ -562,13 +565,14 @@ hb_draw_quadratic_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data; float x_scale = adaptor->x_scale; float y_scale = adaptor->y_scale; + float slant = adaptor->slant; - st->current_x *= x_scale; - st->current_y *= y_scale; + st->current_x = st->current_x * x_scale + st->current_y * slant; + st->current_y = st->current_y * y_scale; adaptor->draw_funcs->emit_quadratic_to (adaptor->draw_data, *st, - x_scale * control_x, y_scale * control_y, - x_scale * to_x, y_scale * to_y); + x_scale * control_x + slant * control_y, y_scale * control_y, + x_scale * to_x + slant * to_y, y_scale * to_y); } static void @@ -582,14 +586,15 @@ hb_draw_cubic_to_default (hb_draw_funcs_t *dfuncs HB_UNUSED, void *draw_data, hb_font_get_glyph_shape_default_adaptor_t *adaptor = (hb_font_get_glyph_shape_default_adaptor_t *) draw_data; float x_scale = adaptor->x_scale; float y_scale = adaptor->y_scale; + float slant = adaptor->slant; - st->current_x *= x_scale; - st->current_y *= y_scale; + st->current_x = st->current_x * x_scale + st->current_y * slant; + st->current_y = st->current_y * y_scale; adaptor->draw_funcs->emit_cubic_to (adaptor->draw_data, *st, - x_scale * control1_x, y_scale * control1_y, - x_scale * control2_x, y_scale * control2_y, - x_scale * to_x, y_scale * to_y); + x_scale * control1_x + slant * control1_y, y_scale * control1_y, + x_scale * control2_x + slant * control2_y, y_scale * control2_y, + x_scale * to_x + slant * to_y, y_scale * to_y); } static void @@ -623,8 +628,10 @@ hb_font_get_glyph_shape_default (hb_font_t *font, hb_font_get_glyph_shape_default_adaptor_t adaptor = { draw_funcs, draw_data, - (float) font->x_scale / (float) font->parent->x_scale, - (float) font->y_scale / (float) font->parent->y_scale + font->parent->x_scale ? (float) font->x_scale / (float) font->parent->x_scale : 0.f, + font->parent->y_scale ? (float) font->y_scale / (float) font->parent->y_scale : 0.f, + font->parent->y_scale ? (font->slant - font->parent->slant) * + (float) font->x_scale / (float) font->parent->y_scale : 0.f }; font->parent->get_glyph_shape (glyph, @@ -636,16 +643,8 @@ DEFINE_NULL_INSTANCE (hb_font_funcs_t) = { HB_OBJECT_HEADER_STATIC, - { -#define HB_FONT_FUNC_IMPLEMENT(name) nullptr, - HB_FONT_FUNCS_IMPLEMENT_CALLBACKS -#undef HB_FONT_FUNC_IMPLEMENT - }, - { -#define HB_FONT_FUNC_IMPLEMENT(name) nullptr, - HB_FONT_FUNCS_IMPLEMENT_CALLBACKS -#undef HB_FONT_FUNC_IMPLEMENT - }, + nullptr, + nullptr, { { #define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_nil, @@ -658,16 +657,8 @@ DEFINE_NULL_INSTANCE (hb_font_funcs_t) = static const hb_font_funcs_t _hb_font_funcs_default = { HB_OBJECT_HEADER_STATIC, - { -#define HB_FONT_FUNC_IMPLEMENT(name) nullptr, - HB_FONT_FUNCS_IMPLEMENT_CALLBACKS -#undef HB_FONT_FUNC_IMPLEMENT - }, - { -#define HB_FONT_FUNC_IMPLEMENT(name) nullptr, - HB_FONT_FUNCS_IMPLEMENT_CALLBACKS -#undef HB_FONT_FUNC_IMPLEMENT - }, + nullptr, + nullptr, { { #define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_default, @@ -679,7 +670,7 @@ static const hb_font_funcs_t _hb_font_funcs_default = { /** - * hb_font_funcs_create: (Xconstructor) + * hb_font_funcs_create: * * Creates a new #hb_font_funcs_t structure of font functions. * @@ -746,10 +737,16 @@ hb_font_funcs_destroy (hb_font_funcs_t *ffuncs) { if (!hb_object_destroy (ffuncs)) return; -#define HB_FONT_FUNC_IMPLEMENT(name) if (ffuncs->destroy.name) \ - ffuncs->destroy.name (ffuncs->user_data.name); - HB_FONT_FUNCS_IMPLEMENT_CALLBACKS + if (ffuncs->destroy) + { +#define HB_FONT_FUNC_IMPLEMENT(name) if (ffuncs->destroy->name) \ + ffuncs->destroy->name (!ffuncs->user_data ? nullptr : ffuncs->user_data->name); + HB_FONT_FUNCS_IMPLEMENT_CALLBACKS #undef HB_FONT_FUNC_IMPLEMENT + } + + hb_free (ffuncs->destroy); + hb_free (ffuncs->user_data); hb_free (ffuncs); } @@ -764,7 +761,7 @@ hb_font_funcs_destroy (hb_font_funcs_t *ffuncs) * * Attaches a user-data key/data pair to the specified font-functions structure. * - * Return value: %true if success, %false otherwise + * Return value: `true` if success, `false` otherwise * * Since: 0.9.2 **/ @@ -791,8 +788,8 @@ hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs, * Since: 0.9.2 **/ void * -hb_font_funcs_get_user_data (hb_font_funcs_t *ffuncs, - hb_user_data_key_t *key) +hb_font_funcs_get_user_data (const hb_font_funcs_t *ffuncs, + hb_user_data_key_t *key) { return hb_object_get_user_data (ffuncs, key); } @@ -821,7 +818,7 @@ hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs) * * Tests whether a font-functions structure is immutable. * - * Return value: %true if @ffuncs is immutable, %false otherwise + * Return value: `true` if @ffuncs is immutable, `false` otherwise * * Since: 0.9.2 **/ @@ -832,6 +829,56 @@ hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs) } +static bool +_hb_font_funcs_set_preamble (hb_font_funcs_t *ffuncs, + bool func_is_null, + void **user_data, + hb_destroy_func_t *destroy) +{ + if (hb_object_is_immutable (ffuncs)) + { + if (*destroy) + (*destroy) (*user_data); + return false; + } + + if (func_is_null) + { + if (*destroy) + (*destroy) (*user_data); + *destroy = nullptr; + *user_data = nullptr; + } + + return true; +} + +static bool +_hb_font_funcs_set_middle (hb_font_funcs_t *ffuncs, + void *user_data, + hb_destroy_func_t destroy) +{ + if (user_data && !ffuncs->user_data) + { + ffuncs->user_data = (decltype (ffuncs->user_data)) hb_calloc (1, sizeof (*ffuncs->user_data)); + if (unlikely (!ffuncs->user_data)) + goto fail; + } + if (destroy && !ffuncs->destroy) + { + ffuncs->destroy = (decltype (ffuncs->destroy)) hb_calloc (1, sizeof (*ffuncs->destroy)); + if (unlikely (!ffuncs->destroy)) + goto fail; + } + + return true; + +fail: + if (destroy) + (destroy) (user_data); + return false; +} + #define HB_FONT_FUNC_IMPLEMENT(name) \ \ void \ @@ -840,25 +887,24 @@ hb_font_funcs_set_##name##_func (hb_font_funcs_t *ffuncs, \ void *user_data, \ hb_destroy_func_t destroy) \ { \ - if (hb_object_is_immutable (ffuncs)) \ - { \ - if (destroy) \ - destroy (user_data); \ - return; \ - } \ + if (!_hb_font_funcs_set_preamble (ffuncs, !func, &user_data, &destroy))\ + return; \ \ - if (ffuncs->destroy.name) \ - ffuncs->destroy.name (ffuncs->user_data.name); \ + if (ffuncs->destroy && ffuncs->destroy->name) \ + ffuncs->destroy->name (!ffuncs->user_data ? nullptr : ffuncs->user_data->name); \ + \ + if (!_hb_font_funcs_set_middle (ffuncs, user_data, destroy)) \ + return; \ \ - if (func) { \ + if (func) \ ffuncs->get.f.name = func; \ - ffuncs->user_data.name = user_data; \ - ffuncs->destroy.name = destroy; \ - } else { \ + else \ ffuncs->get.f.name = hb_font_get_##name##_default; \ - ffuncs->user_data.name = nullptr; \ - ffuncs->destroy.name = nullptr; \ - } \ + \ + if (ffuncs->user_data) \ + ffuncs->user_data->name = user_data; \ + if (ffuncs->destroy) \ + ffuncs->destroy->name = destroy; \ } HB_FONT_FUNCS_IMPLEMENT_CALLBACKS @@ -887,7 +933,7 @@ hb_font_t::has_func (unsigned int i) * Fetches the extents for a specified font, for horizontal * text segments. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 1.1.3 **/ @@ -906,7 +952,7 @@ hb_font_get_h_extents (hb_font_t *font, * Fetches the extents for a specified font, for vertical * text segments. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 1.1.3 **/ @@ -930,7 +976,7 @@ hb_font_get_v_extents (hb_font_t *font, * If @variation_selector is 0, calls hb_font_get_nominal_glyph(); * otherwise calls hb_font_get_variation_glyph(). * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 0.9.2 **/ @@ -958,7 +1004,7 @@ hb_font_get_glyph (hb_font_t *font, * for code points modified by variation selectors. For variation-selector * support, user hb_font_get_variation_glyph() or use hb_font_get_glyph(). * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 1.2.3 **/ @@ -1010,7 +1056,7 @@ hb_font_get_nominal_glyphs (hb_font_t *font, * by the specified variation-selector code point, in the specified * font. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 1.2.3 **/ @@ -1120,7 +1166,7 @@ hb_font_get_glyph_v_advances (hb_font_t* font, * Fetches the (X,Y) coordinates of the origin for a glyph ID * in the specified font, for horizontal text segments. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 0.9.2 **/ @@ -1143,7 +1189,7 @@ hb_font_get_glyph_h_origin (hb_font_t *font, * Fetches the (X,Y) coordinates of the origin for a glyph ID * in the specified font, for vertical text segments. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 0.9.2 **/ @@ -1216,7 +1262,7 @@ hb_font_get_glyph_v_kerning (hb_font_t *font, * Fetches the #hb_glyph_extents_t data for a glyph ID * in the specified font. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 0.9.2 **/ @@ -1239,7 +1285,7 @@ hb_font_get_glyph_extents (hb_font_t *font, * Fetches the (x,y) coordinates of a specified contour-point index * in the specified glyph, within the specified font. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 0.9.2 **/ @@ -1262,7 +1308,7 @@ hb_font_get_glyph_contour_point (hb_font_t *font, * * Fetches the glyph-name string for a glyph ID in the specified @font. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 0.9.2 **/ @@ -1286,7 +1332,7 @@ hb_font_get_glyph_name (hb_font_t *font, * * Note: @len == -1 means the name string is null-terminated. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 0.9.2 **/ @@ -1307,7 +1353,7 @@ hb_font_get_glyph_from_name (hb_font_t *font, * @draw_data: User data to pass to draw callbacks * * Fetches the glyph shape that corresponds to a glyph in the specified @font. - * The shape is returned by way of calls to the callsbacks of the @dfuncs + * The shape is returned by way of calls to the callbacks of the @dfuncs * objects, with @draw_data passed to them. * * Since: 4.0.0 @@ -1521,7 +1567,7 @@ hb_font_get_glyph_kerning_for_direction (hb_font_t *font, * Calls the appropriate direction-specific variant (horizontal * or vertical) depending on the value of @direction. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 0.9.2 **/ @@ -1550,7 +1596,7 @@ hb_font_get_glyph_extents_for_origin (hb_font_t *font, * Calls the appropriate direction-specific variant (horizontal * or vertical) depending on the value of @direction. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 0.9.2 **/ @@ -1601,7 +1647,7 @@ hb_font_glyph_to_string (hb_font_t *font, * * Note: @len == -1 means the string is null-terminated. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 0.9.2 **/ @@ -1623,6 +1669,9 @@ DEFINE_NULL_INSTANCE (hb_font_t) = { HB_OBJECT_HEADER_STATIC, + 0, /* serial */ + 0, /* serial_coords */ + nullptr, /* parent */ const_cast (&_hb_Null_hb_face_t), @@ -1630,6 +1679,8 @@ DEFINE_NULL_INSTANCE (hb_font_t) = 1000, /* y_scale */ 0., /* slant */ 0., /* slant_xy; */ + 1.f, /* x_multf */ + 1.f, /* y_multf */ 1<<16, /* x_mult */ 1<<16, /* y_mult */ @@ -1654,6 +1705,7 @@ _hb_font_create (hb_face_t *face) if (unlikely (!face)) face = hb_face_get_empty (); + if (!(font = hb_object_create ())) return hb_font_get_empty (); @@ -1662,14 +1714,15 @@ _hb_font_create (hb_face_t *face) font->face = hb_face_reference (face); font->klass = hb_font_funcs_get_empty (); font->data.init0 (font); - font->x_scale = font->y_scale = hb_face_get_upem (face); + font->x_scale = font->y_scale = face->get_upem (); + font->x_multf = font->y_multf = 1.f; font->x_mult = font->y_mult = 1 << 16; return font; } /** - * hb_font_create: (Xconstructor) + * hb_font_create: * @face: a face. * * Constructs a new font object from the specified face. @@ -1715,6 +1768,8 @@ _hb_font_adopt_var_coords (hb_font_t *font, font->coords = coords; font->design_coords = design_coords; font->num_coords = coords_length; + + font->mults_changed (); // Easiest to call this to drop cached data } /** @@ -1744,7 +1799,6 @@ hb_font_create_sub_font (hb_font_t *parent) font->x_scale = parent->x_scale; font->y_scale = parent->y_scale; font->slant = parent->slant; - font->mults_changed (); font->x_ppem = parent->x_ppem; font->y_ppem = parent->y_ppem; font->ptem = parent->ptem; @@ -1756,8 +1810,8 @@ hb_font_create_sub_font (hb_font_t *parent) float *design_coords = (float *) hb_calloc (num_coords, sizeof (parent->design_coords[0])); if (likely (coords && design_coords)) { - memcpy (coords, parent->coords, num_coords * sizeof (parent->coords[0])); - memcpy (design_coords, parent->design_coords, num_coords * sizeof (parent->design_coords[0])); + hb_memcpy (coords, parent->coords, num_coords * sizeof (parent->coords[0])); + hb_memcpy (design_coords, parent->design_coords, num_coords * sizeof (parent->design_coords[0])); _hb_font_adopt_var_coords (font, coords, design_coords, num_coords); } else @@ -1767,6 +1821,8 @@ hb_font_create_sub_font (hb_font_t *parent) } } + font->mults_changed (); + return font; } @@ -1841,7 +1897,7 @@ hb_font_destroy (hb_font_t *font) * * Attaches a user-data key/data pair to the specified font object. * - * Return value: %true if success, %false otherwise + * Return value: `true` if success, `false` otherwise * * Since: 0.9.2 **/ @@ -1852,6 +1908,9 @@ hb_font_set_user_data (hb_font_t *font, hb_destroy_func_t destroy /* May be NULL. */, hb_bool_t replace) { + if (!hb_object_is_immutable (font)) + font->serial++; + return hb_object_set_user_data (font, key, data, destroy, replace); } @@ -1868,7 +1927,7 @@ hb_font_set_user_data (hb_font_t *font, * Since: 0.9.2 **/ void * -hb_font_get_user_data (hb_font_t *font, +hb_font_get_user_data (const hb_font_t *font, hb_user_data_key_t *key) { return hb_object_get_user_data (font, key); @@ -1900,7 +1959,7 @@ hb_font_make_immutable (hb_font_t *font) * * Tests whether a font object is immutable. * - * Return value: %true if @font is immutable, %false otherwise + * Return value: `true` if @font is immutable, `false` otherwise * * Since: 0.9.2 **/ @@ -1910,6 +1969,45 @@ hb_font_is_immutable (hb_font_t *font) return hb_object_is_immutable (font); } +/** + * hb_font_get_serial: + * @font: #hb_font_t to work upon + * + * Returns the internal serial number of the font. The serial + * number is increased every time a setting on the font is + * changed, using a setter function. + * + * Return value: serial number + * + * Since: 4.4.0 + **/ +unsigned int +hb_font_get_serial (hb_font_t *font) +{ + return font->serial; +} + +/** + * hb_font_changed: + * @font: #hb_font_t to work upon + * + * Notifies the @font that underlying font data has changed. + * This has the effect of increasing the serial as returned + * by hb_font_get_serial(), which invalidates internal caches. + * + * Since: 4.4.0 + **/ +void +hb_font_changed (hb_font_t *font) +{ + if (hb_object_is_immutable (font)) + return; + + font->serial++; + + font->mults_changed (); +} + /** * hb_font_set_parent: * @font: #hb_font_t to work upon @@ -1926,6 +2024,11 @@ hb_font_set_parent (hb_font_t *font, if (hb_object_is_immutable (font)) return; + if (parent == font->parent) + return; + + font->serial++; + if (!parent) parent = hb_font_get_empty (); @@ -1968,6 +2071,11 @@ hb_font_set_face (hb_font_t *font, if (hb_object_is_immutable (font)) return; + if (face == font->face) + return; + + font->serial++; + if (unlikely (!face)) face = hb_face_get_empty (); @@ -2022,6 +2130,8 @@ hb_font_set_funcs (hb_font_t *font, return; } + font->serial++; + if (font->destroy) font->destroy (font->user_data); @@ -2059,6 +2169,8 @@ hb_font_set_funcs_data (hb_font_t *font, return; } + font->serial++; + if (font->destroy) font->destroy (font->user_data); @@ -2085,6 +2197,11 @@ hb_font_set_scale (hb_font_t *font, if (hb_object_is_immutable (font)) return; + if (font->x_scale == x_scale && font->y_scale == y_scale) + return; + + font->serial++; + font->x_scale = x_scale; font->y_scale = y_scale; font->mults_changed (); @@ -2127,6 +2244,11 @@ hb_font_set_ppem (hb_font_t *font, if (hb_object_is_immutable (font)) return; + if (font->x_ppem == x_ppem && font->y_ppem == y_ppem) + return; + + font->serial++; + font->x_ppem = x_ppem; font->y_ppem = y_ppem; } @@ -2169,6 +2291,11 @@ hb_font_set_ptem (hb_font_t *font, if (hb_object_is_immutable (font)) return; + if (font->ptem == ptem) + return; + + font->serial++; + font->ptem = ptem; } @@ -2216,6 +2343,11 @@ hb_font_set_synthetic_slant (hb_font_t *font, float slant) if (hb_object_is_immutable (font)) return; + if (font->slant == slant) + return; + + font->serial++; + font->slant = slant; font->mults_changed (); } @@ -2263,6 +2395,8 @@ hb_font_set_variations (hb_font_t *font, if (hb_object_is_immutable (font)) return; + font->serial_coords = ++font->serial; + if (!variations_length) { hb_font_set_var_coords_normalized (font, nullptr, 0); @@ -2283,6 +2417,10 @@ hb_font_set_variations (hb_font_t *font, return; } + /* Initialize design coords to default from fvar. */ + for (unsigned int i = 0; i < coords_length; i++) + design_coords[i] = axes[i].get_default (); + for (unsigned int i = 0; i < variations_length; i++) { const auto tag = variations[i].tag; @@ -2322,6 +2460,8 @@ hb_font_set_var_coords_design (hb_font_t *font, if (hb_object_is_immutable (font)) return; + font->serial_coords = ++font->serial; + int *normalized = coords_length ? (int *) hb_calloc (coords_length, sizeof (int)) : nullptr; float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (float)) : nullptr; @@ -2333,7 +2473,7 @@ hb_font_set_var_coords_design (hb_font_t *font, } if (coords_length) - memcpy (design_coords, coords, coords_length * sizeof (font->design_coords[0])); + hb_memcpy (design_coords, coords, coords_length * sizeof (font->design_coords[0])); hb_ot_var_normalize_coords (font->face, coords_length, coords, normalized); _hb_font_adopt_var_coords (font, normalized, design_coords, coords_length); @@ -2355,6 +2495,8 @@ hb_font_set_var_named_instance (hb_font_t *font, if (hb_object_is_immutable (font)) return; + font->serial_coords = ++font->serial; + unsigned int coords_length = hb_ot_var_named_instance_get_design_coords (font->face, instance_index, nullptr, nullptr); float *coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (float)) : nullptr; @@ -2391,6 +2533,8 @@ hb_font_set_var_coords_normalized (hb_font_t *font, if (hb_object_is_immutable (font)) return; + font->serial_coords = ++font->serial; + int *copy = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr; int *unmapped = coords_length ? (int *) hb_calloc (coords_length, sizeof (coords[0])) : nullptr; float *design_coords = coords_length ? (float *) hb_calloc (coords_length, sizeof (design_coords[0])) : nullptr; @@ -2405,8 +2549,8 @@ hb_font_set_var_coords_normalized (hb_font_t *font, if (coords_length) { - memcpy (copy, coords, coords_length * sizeof (coords[0])); - memcpy (unmapped, coords, coords_length * sizeof (coords[0])); + hb_memcpy (copy, coords, coords_length * sizeof (coords[0])); + hb_memcpy (unmapped, coords, coords_length * sizeof (coords[0])); } /* Best effort design coords simulation */ @@ -2596,12 +2740,14 @@ hb_font_funcs_set_glyph_func (hb_font_funcs_t *ffuncs, return; } + /* Since we pass it to two destroying functions. */ + trampoline_reference (&trampoline->closure); + hb_font_funcs_set_nominal_glyph_func (ffuncs, hb_font_get_nominal_glyph_trampoline, trampoline, trampoline_destroy); - trampoline_reference (&trampoline->closure); hb_font_funcs_set_variation_glyph_func (ffuncs, hb_font_get_variation_glyph_trampoline, trampoline, diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.h b/src/3rdparty/harfbuzz-ng/src/hb-font.h index 9548857535..e2c3df4a5a 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-font.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-font.h @@ -86,8 +86,8 @@ hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs, HB_EXTERN void * -hb_font_funcs_get_user_data (hb_font_funcs_t *ffuncs, - hb_user_data_key_t *key); +hb_font_funcs_get_user_data (const hb_font_funcs_t *ffuncs, + hb_user_data_key_t *key); HB_EXTERN void @@ -198,7 +198,7 @@ typedef hb_font_get_font_extents_func_t hb_font_get_font_v_extents_func_t; * This method should retrieve the nominal glyph ID for a specified Unicode code * point. Glyph IDs must be returned in a #hb_codepoint_t output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *font_data, @@ -221,7 +221,7 @@ typedef hb_bool_t (*hb_font_get_nominal_glyph_func_t) (hb_font_t *font, void *fo * followed by a specified Variation Selector code point. Glyph IDs must be * returned in a #hb_codepoint_t output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_variation_glyph_func_t) (hb_font_t *font, void *font_data, @@ -362,7 +362,7 @@ typedef hb_font_get_glyph_advances_func_t hb_font_get_glyph_v_advances_func_t; * origin for a glyph. Each coordinate must be returned in an #hb_position_t * output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_glyph_origin_func_t) (hb_font_t *font, void *font_data, @@ -434,7 +434,7 @@ typedef hb_font_get_glyph_kerning_func_t hb_font_get_glyph_h_kerning_func_t; * This method should retrieve the extents for a specified glyph. Extents must be * returned in an #hb_glyph_extents output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *font_data, @@ -458,7 +458,7 @@ typedef hb_bool_t (*hb_font_get_glyph_extents_func_t) (hb_font_t *font, void *fo * specified contour point in a glyph. Each coordinate must be returned as * an #hb_position_t output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, void *font_data, @@ -481,7 +481,7 @@ typedef hb_bool_t (*hb_font_get_glyph_contour_point_func_t) (hb_font_t *font, vo * This method should retrieve the glyph name that corresponds to a * glyph ID. The name should be returned in a string output parameter. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_data, @@ -503,7 +503,7 @@ typedef hb_bool_t (*hb_font_get_glyph_name_func_t) (hb_font_t *font, void *font_ * This method should retrieve the glyph ID that corresponds to a glyph-name * string. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * **/ typedef hb_bool_t (*hb_font_get_glyph_from_name_func_t) (hb_font_t *font, void *font_data, @@ -993,7 +993,7 @@ hb_font_set_user_data (hb_font_t *font, HB_EXTERN void * -hb_font_get_user_data (hb_font_t *font, +hb_font_get_user_data (const hb_font_t *font, hb_user_data_key_t *key); HB_EXTERN void @@ -1002,6 +1002,12 @@ hb_font_make_immutable (hb_font_t *font); HB_EXTERN hb_bool_t hb_font_is_immutable (hb_font_t *font); +HB_EXTERN unsigned int +hb_font_get_serial (hb_font_t *font); + +HB_EXTERN void +hb_font_changed (hb_font_t *font); + HB_EXTERN void hb_font_set_parent (hb_font_t *font, hb_font_t *parent); diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.hh b/src/3rdparty/harfbuzz-ng/src/hb-font.hh index 70311b4a85..6942d99c70 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-font.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-font.hh @@ -68,13 +68,13 @@ struct hb_font_funcs_t #define HB_FONT_FUNC_IMPLEMENT(name) void *name; HB_FONT_FUNCS_IMPLEMENT_CALLBACKS #undef HB_FONT_FUNC_IMPLEMENT - } user_data; + } *user_data; struct { #define HB_FONT_FUNC_IMPLEMENT(name) hb_destroy_func_t name; HB_FONT_FUNCS_IMPLEMENT_CALLBACKS #undef HB_FONT_FUNC_IMPLEMENT - } destroy; + } *destroy; /* Don't access these directly. Call font->get_*() instead. */ union get_t { @@ -104,6 +104,8 @@ DECLARE_NULL_INSTANCE (hb_font_funcs_t); struct hb_font_t { hb_object_header_t header; + unsigned int serial; + unsigned int serial_coords; hb_font_t *parent; hb_face_t *face; @@ -112,6 +114,8 @@ struct hb_font_t int32_t y_scale; float slant; float slant_xy; + float x_multf; + float y_multf; int64_t x_mult; int64_t y_mult; @@ -137,12 +141,12 @@ struct hb_font_t { return HB_DIRECTION_IS_VERTICAL(direction) ? y_mult : x_mult; } hb_position_t em_scale_x (int16_t v) { return em_mult (v, x_mult); } hb_position_t em_scale_y (int16_t v) { return em_mult (v, y_mult); } - hb_position_t em_scalef_x (float v) { return em_scalef (v, x_scale); } - hb_position_t em_scalef_y (float v) { return em_scalef (v, y_scale); } - float em_fscale_x (int16_t v) { return em_fscale (v, x_scale); } - float em_fscale_y (int16_t v) { return em_fscale (v, y_scale); } - float em_fscalef_x (float v) { return em_fscalef (v, x_scale); } - float em_fscalef_y (float v) { return em_fscalef (v, y_scale); } + hb_position_t em_scalef_x (float v) { return em_multf (v, x_multf); } + hb_position_t em_scalef_y (float v) { return em_multf (v, y_multf); } + float em_fscale_x (int16_t v) { return em_fmult (v, x_multf); } + float em_fscale_y (int16_t v) { return em_fmult (v, y_multf); } + float em_fscalef_x (float v) { return em_fmultf (v, x_multf); } + float em_fscalef_y (float v) { return em_fmultf (v, y_multf); } hb_position_t em_scale_dir (int16_t v, hb_direction_t direction) { return em_mult (v, dir_mult (direction)); } @@ -202,17 +206,17 @@ struct hb_font_t hb_bool_t get_font_h_extents (hb_font_extents_t *extents) { - memset (extents, 0, sizeof (*extents)); + hb_memset (extents, 0, sizeof (*extents)); return klass->get.f.font_h_extents (this, user_data, extents, - klass->user_data.font_h_extents); + !klass->user_data ? nullptr : klass->user_data->font_h_extents); } hb_bool_t get_font_v_extents (hb_font_extents_t *extents) { - memset (extents, 0, sizeof (*extents)); + hb_memset (extents, 0, sizeof (*extents)); return klass->get.f.font_v_extents (this, user_data, extents, - klass->user_data.font_v_extents); + !klass->user_data ? nullptr : klass->user_data->font_v_extents); } bool has_glyph (hb_codepoint_t unicode) @@ -228,7 +232,7 @@ struct hb_font_t *glyph = not_found; return klass->get.f.nominal_glyph (this, user_data, unicode, glyph, - klass->user_data.nominal_glyph); + !klass->user_data ? nullptr : klass->user_data->nominal_glyph); } unsigned int get_nominal_glyphs (unsigned int count, const hb_codepoint_t *first_unicode, @@ -240,7 +244,7 @@ struct hb_font_t count, first_unicode, unicode_stride, first_glyph, glyph_stride, - klass->user_data.nominal_glyphs); + !klass->user_data ? nullptr : klass->user_data->nominal_glyphs); } hb_bool_t get_variation_glyph (hb_codepoint_t unicode, hb_codepoint_t variation_selector, @@ -250,21 +254,21 @@ struct hb_font_t *glyph = not_found; return klass->get.f.variation_glyph (this, user_data, unicode, variation_selector, glyph, - klass->user_data.variation_glyph); + !klass->user_data ? nullptr : klass->user_data->variation_glyph); } hb_position_t get_glyph_h_advance (hb_codepoint_t glyph) { return klass->get.f.glyph_h_advance (this, user_data, glyph, - klass->user_data.glyph_h_advance); + !klass->user_data ? nullptr : klass->user_data->glyph_h_advance); } hb_position_t get_glyph_v_advance (hb_codepoint_t glyph) { return klass->get.f.glyph_v_advance (this, user_data, glyph, - klass->user_data.glyph_v_advance); + !klass->user_data ? nullptr : klass->user_data->glyph_v_advance); } void get_glyph_h_advances (unsigned int count, @@ -277,7 +281,7 @@ struct hb_font_t count, first_glyph, glyph_stride, first_advance, advance_stride, - klass->user_data.glyph_h_advances); + !klass->user_data ? nullptr : klass->user_data->glyph_h_advances); } void get_glyph_v_advances (unsigned int count, @@ -290,7 +294,7 @@ struct hb_font_t count, first_glyph, glyph_stride, first_advance, advance_stride, - klass->user_data.glyph_v_advances); + !klass->user_data ? nullptr : klass->user_data->glyph_v_advances); } hb_bool_t get_glyph_h_origin (hb_codepoint_t glyph, @@ -299,7 +303,7 @@ struct hb_font_t *x = *y = 0; return klass->get.f.glyph_h_origin (this, user_data, glyph, x, y, - klass->user_data.glyph_h_origin); + !klass->user_data ? nullptr : klass->user_data->glyph_h_origin); } hb_bool_t get_glyph_v_origin (hb_codepoint_t glyph, @@ -308,7 +312,7 @@ struct hb_font_t *x = *y = 0; return klass->get.f.glyph_v_origin (this, user_data, glyph, x, y, - klass->user_data.glyph_v_origin); + !klass->user_data ? nullptr : klass->user_data->glyph_v_origin); } hb_position_t get_glyph_h_kerning (hb_codepoint_t left_glyph, @@ -319,7 +323,7 @@ struct hb_font_t #else return klass->get.f.glyph_h_kerning (this, user_data, left_glyph, right_glyph, - klass->user_data.glyph_h_kerning); + !klass->user_data ? nullptr : klass->user_data->glyph_h_kerning); #endif } @@ -331,18 +335,18 @@ struct hb_font_t #else return klass->get.f.glyph_v_kerning (this, user_data, top_glyph, bottom_glyph, - klass->user_data.glyph_v_kerning); + !klass->user_data ? nullptr : klass->user_data->glyph_v_kerning); #endif } hb_bool_t get_glyph_extents (hb_codepoint_t glyph, hb_glyph_extents_t *extents) { - memset (extents, 0, sizeof (*extents)); + hb_memset (extents, 0, sizeof (*extents)); return klass->get.f.glyph_extents (this, user_data, glyph, extents, - klass->user_data.glyph_extents); + !klass->user_data ? nullptr : klass->user_data->glyph_extents); } hb_bool_t get_glyph_contour_point (hb_codepoint_t glyph, unsigned int point_index, @@ -352,7 +356,7 @@ struct hb_font_t return klass->get.f.glyph_contour_point (this, user_data, glyph, point_index, x, y, - klass->user_data.glyph_contour_point); + !klass->user_data ? nullptr : klass->user_data->glyph_contour_point); } hb_bool_t get_glyph_name (hb_codepoint_t glyph, @@ -362,7 +366,7 @@ struct hb_font_t return klass->get.f.glyph_name (this, user_data, glyph, name, size, - klass->user_data.glyph_name); + !klass->user_data ? nullptr : klass->user_data->glyph_name); } hb_bool_t get_glyph_from_name (const char *name, int len, /* -1 means nul-terminated */ @@ -373,7 +377,7 @@ struct hb_font_t return klass->get.f.glyph_from_name (this, user_data, name, len, glyph, - klass->user_data.glyph_from_name); + !klass->user_data ? nullptr : klass->user_data->glyph_from_name); } void get_glyph_shape (hb_codepoint_t glyph, @@ -382,7 +386,7 @@ struct hb_font_t klass->get.f.glyph_shape (this, user_data, glyph, draw_funcs, draw_data, - klass->user_data.glyph_shape); + !klass->user_data ? nullptr : klass->user_data->glyph_shape); } @@ -444,7 +448,6 @@ struct hb_font_t { *x = get_glyph_h_advance (glyph) / 2; - /* TODO cache this somehow?! */ hb_font_extents_t extents; get_h_extents_with_fallback (&extents); *y = extents.ascender; @@ -628,20 +631,26 @@ struct hb_font_t void mults_changed () { - signed upem = face->get_upem (); - x_mult = ((int64_t) x_scale << 16) / upem; - y_mult = ((int64_t) y_scale << 16) / upem; + float upem = face->get_upem (); + x_multf = x_scale / upem; + y_multf = y_scale / upem; + bool x_neg = x_scale < 0; + x_mult = (x_neg ? -((int64_t) -x_scale << 16) : ((int64_t) x_scale << 16)) / upem; + bool y_neg = y_scale < 0; + y_mult = (y_neg ? -((int64_t) -y_scale << 16) : ((int64_t) y_scale << 16)) / upem; slant_xy = y_scale ? slant * x_scale / y_scale : 0.f; + + data.fini (); } hb_position_t em_mult (int16_t v, int64_t mult) { return (hb_position_t) ((v * mult + 32768) >> 16); } - hb_position_t em_scalef (float v, int scale) - { return (hb_position_t) roundf (em_fscalef (v, scale)); } - float em_fscalef (float v, int scale) - { return v * scale / face->get_upem (); } - float em_fscale (int16_t v, int scale) - { return (float) v * scale / face->get_upem (); } + hb_position_t em_multf (float v, float mult) + { return (hb_position_t) roundf (em_fmultf (v, mult)); } + float em_fmultf (float v, float mult) + { return v * mult; } + float em_fmult (int16_t v, float mult) + { return (float) v * mult; } }; DECLARE_NULL_INSTANCE (hb_font_t); diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ft.cc b/src/3rdparty/harfbuzz-ng/src/hb-ft.cc index 0cfbb22e31..3892dedc13 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ft.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-ft.cc @@ -37,6 +37,8 @@ #include "hb-font.hh" #include "hb-machinery.hh" #include "hb-cache.hh" +#include "hb-ot-os2-table.hh" +#include "hb-ot-shaper-arabic-pua.hh" #include FT_ADVANCES_H #include FT_MULTIPLE_MASTERS_H @@ -78,16 +80,19 @@ */ +using hb_ft_advance_cache_t = hb_cache_t<16, 24, 8, false>; + struct hb_ft_font_t { - mutable hb_mutex_t lock; - FT_Face ft_face; int load_flags; bool symbol; /* Whether selected cmap is symbol cmap. */ bool unref; /* Whether to destroy ft_face when done. */ + bool transform; /* Whether to apply FT_Face's transform. */ - mutable int cached_x_scale; - mutable hb_advance_cache_t advance_cache; + mutable hb_mutex_t lock; /* Protects members below. */ + FT_Face ft_face; + mutable unsigned cached_serial; + mutable hb_ft_advance_cache_t advance_cache; }; static hb_ft_font_t * @@ -103,7 +108,7 @@ _hb_ft_font_create (FT_Face ft_face, bool symbol, bool unref) ft_font->load_flags = FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING; - ft_font->cached_x_scale = 0; + ft_font->cached_serial = (unsigned) -1; ft_font->advance_cache.init (); return ft_font; @@ -130,6 +135,85 @@ _hb_ft_font_destroy (void *data) hb_free (ft_font); } + +/* hb_font changed, update FT_Face. */ +static void _hb_ft_hb_font_changed (hb_font_t *font, FT_Face ft_face) +{ + hb_ft_font_t *ft_font = (hb_ft_font_t *) font->user_data; + + float x_mult = 1.f, y_mult = 1.f; + + if (font->x_scale < 0) x_mult = -x_mult; + if (font->y_scale < 0) y_mult = -y_mult; + + if (FT_Set_Char_Size (ft_face, + abs (font->x_scale), abs (font->y_scale), + 0, 0 +#if 0 + font->x_ppem * 72 * 64 / font->x_scale, + font->y_ppem * 72 * 64 / font->y_scale +#endif + ) && ft_face->num_fixed_sizes) + { +#ifdef HAVE_FT_GET_TRANSFORM + /* Bitmap font, eg. bitmap color emoji. */ + /* TODO Pick largest size? */ + int x_scale = ft_face->available_sizes[0].x_ppem; + int y_scale = ft_face->available_sizes[0].y_ppem; + FT_Set_Char_Size (ft_face, + x_scale, y_scale, + 0, 0); + + /* This contains the sign that was previously in x_mult/y_mult. */ + x_mult = (float) font->x_scale / x_scale; + y_mult = (float) font->y_scale / y_scale; +#endif + } + else + { /* Shrug */ } + + + if (x_mult != 1.f || y_mult != 1.f) + { + FT_Matrix matrix = { (int) roundf (x_mult * (1<<16)), 0, + 0, (int) roundf (y_mult * (1<<16))}; + FT_Set_Transform (ft_face, &matrix, nullptr); + ft_font->transform = true; + } + +#if defined(HAVE_FT_GET_VAR_BLEND_COORDINATES) && !defined(HB_NO_VAR) + unsigned int num_coords; + const float *coords = hb_font_get_var_coords_design (font, &num_coords); + if (num_coords) + { + FT_Fixed *ft_coords = (FT_Fixed *) hb_calloc (num_coords, sizeof (FT_Fixed)); + if (ft_coords) + { + for (unsigned int i = 0; i < num_coords; i++) + ft_coords[i] = coords[i] * 65536.f; + FT_Set_Var_Design_Coordinates (ft_face, num_coords, ft_coords); + hb_free (ft_coords); + } + } +#endif +} + +/* Check if hb_font changed, update FT_Face. */ +static inline bool +_hb_ft_hb_font_check_changed (hb_font_t *font, + const hb_ft_font_t *ft_font) +{ + if (font->serial != ft_font->cached_serial) + { + _hb_ft_hb_font_changed (font, ft_font->ft_face); + ft_font->advance_cache.clear (); + ft_font->cached_serial = font->serial; + return true; + } + return false; +} + + /** * hb_ft_font_set_load_flags: * @font: #hb_font_t to work upon @@ -181,13 +265,13 @@ hb_ft_font_get_load_flags (hb_font_t *font) } /** - * hb_ft_font_get_face: + * hb_ft_font_get_face: (skip) * @font: #hb_font_t to work upon * * Fetches the FT_Face associated with the specified #hb_font_t * font object. * - * Return value: (nullable): the FT_Face found or %NULL + * Return value: (nullable): the FT_Face found or `NULL` * * Since: 0.9.2 **/ @@ -203,13 +287,13 @@ hb_ft_font_get_face (hb_font_t *font) } /** - * hb_ft_font_lock_face: + * hb_ft_font_lock_face: (skip) * @font: #hb_font_t to work upon * * Gets the FT_Face associated with @font, This face will be kept around until * you call hb_ft_font_unlock_face(). * - * Return value: (nullable): the FT_Face associated with @font or %NULL + * Return value: (nullable) (transfer none): the FT_Face associated with @font or `NULL` * Since: 2.6.5 **/ FT_Face @@ -226,7 +310,7 @@ hb_ft_font_lock_face (hb_font_t *font) } /** - * hb_ft_font_unlock_face: + * hb_ft_font_unlock_face: (skip) * @font: #hb_font_t to work upon * * Releases an FT_Face previously obtained with hb_ft_font_lock_face(). @@ -246,7 +330,7 @@ hb_ft_font_unlock_face (hb_font_t *font) static hb_bool_t -hb_ft_get_nominal_glyph (hb_font_t *font HB_UNUSED, +hb_ft_get_nominal_glyph (hb_font_t *font, void *font_data, hb_codepoint_t unicode, hb_codepoint_t *glyph, @@ -258,14 +342,29 @@ hb_ft_get_nominal_glyph (hb_font_t *font HB_UNUSED, if (unlikely (!g)) { - if (unlikely (ft_font->symbol) && unicode <= 0x00FFu) + if (unlikely (ft_font->symbol)) { - /* For symbol-encoded OpenType fonts, we duplicate the - * U+F000..F0FF range at U+0000..U+00FF. That's what - * Windows seems to do, and that's hinted about at: - * https://docs.microsoft.com/en-us/typography/opentype/spec/recom - * under "Non-Standard (Symbol) Fonts". */ - g = FT_Get_Char_Index (ft_font->ft_face, 0xF000u + unicode); + switch ((unsigned) font->face->table.OS2->get_font_page ()) { + case OT::OS2::font_page_t::FONT_PAGE_NONE: + if (unicode <= 0x00FFu) + /* For symbol-encoded OpenType fonts, we duplicate the + * U+F000..F0FF range at U+0000..U+00FF. That's what + * Windows seems to do, and that's hinted about at: + * https://docs.microsoft.com/en-us/typography/opentype/spec/recom + * under "Non-Standard (Symbol) Fonts". */ + g = FT_Get_Char_Index (ft_font->ft_face, 0xF000u + unicode); + break; +#ifndef HB_NO_OT_SHAPER_ARABIC_FALLBACK + case OT::OS2::font_page_t::FONT_PAGE_SIMP_ARABIC: + g = FT_Get_Char_Index (ft_font->ft_face, _hb_arabic_pua_simp_map (unicode)); + break; + case OT::OS2::font_page_t::FONT_PAGE_TRAD_ARABIC: + g = FT_Get_Char_Index (ft_font->ft_face, _hb_arabic_pua_trad_map (unicode)); + break; +#endif + default: + break; + } if (!g) return false; } @@ -335,12 +434,18 @@ hb_ft_get_glyph_h_advances (hb_font_t* font, void* font_data, hb_lock_t lock (ft_font->lock); FT_Face ft_face = ft_font->ft_face; int load_flags = ft_font->load_flags; - int mult = font->x_scale < 0 ? -1 : +1; - - if (font->x_scale != ft_font->cached_x_scale) + float x_mult; +#ifdef HAVE_FT_GET_TRANSFORM + if (ft_font->transform) { - ft_font->advance_cache.clear (); - ft_font->cached_x_scale = font->x_scale; + FT_Matrix matrix; + FT_Get_Transform (ft_face, &matrix, nullptr); + x_mult = sqrtf ((float)matrix.xx * matrix.xx + (float)matrix.xy * matrix.xy) / 65536.f; + } + else +#endif + { + x_mult = font->x_scale < 0 ? -1 : +1; } for (unsigned int i = 0; i < count; i++) @@ -357,7 +462,7 @@ hb_ft_get_glyph_h_advances (hb_font_t* font, void* font_data, ft_font->advance_cache.set (glyph, v); } - *first_advance = (v * mult + (1<<9)) >> 10; + *first_advance = (int) (v * x_mult + (1<<9)) >> 10; first_glyph = &StructAtOffsetUnaligned (first_glyph, glyph_stride); first_advance = &StructAtOffsetUnaligned (first_advance, advance_stride); } @@ -373,12 +478,24 @@ hb_ft_get_glyph_v_advance (hb_font_t *font, const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; hb_lock_t lock (ft_font->lock); FT_Fixed v; + float y_mult; +#ifdef HAVE_FT_GET_TRANSFORM + if (ft_font->transform) + { + FT_Matrix matrix; + FT_Get_Transform (ft_font->ft_face, &matrix, nullptr); + y_mult = sqrtf ((float)matrix.yx * matrix.yx + (float)matrix.yy * matrix.yy) / 65536.f; + } + else +#endif + { + y_mult = font->y_scale < 0 ? -1 : +1; + } if (unlikely (FT_Get_Advance (ft_font->ft_face, glyph, ft_font->load_flags | FT_LOAD_VERTICAL_LAYOUT, &v))) return 0; - if (font->y_scale < 0) - v = -v; + v = (int) (y_mult * v); /* Note: FreeType's vertical metrics grows downward while other FreeType coordinates * have a Y growing upward. Hence the extra negation. */ @@ -399,6 +516,21 @@ hb_ft_get_glyph_v_origin (hb_font_t *font, const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; hb_lock_t lock (ft_font->lock); FT_Face ft_face = ft_font->ft_face; + float x_mult, y_mult; +#ifdef HAVE_FT_GET_TRANSFORM + if (ft_font->transform) + { + FT_Matrix matrix; + FT_Get_Transform (ft_face, &matrix, nullptr); + x_mult = sqrtf ((float)matrix.xx * matrix.xx + (float)matrix.xy * matrix.xy) / 65536.f; + y_mult = sqrtf ((float)matrix.yx * matrix.yx + (float)matrix.yy * matrix.yy) / 65536.f; + } + else +#endif + { + x_mult = font->x_scale < 0 ? -1 : +1; + y_mult = font->y_scale < 0 ? -1 : +1; + } if (unlikely (FT_Load_Glyph (ft_face, glyph, ft_font->load_flags))) return false; @@ -408,10 +540,8 @@ hb_ft_get_glyph_v_origin (hb_font_t *font, *x = ft_face->glyph->metrics.horiBearingX - ft_face->glyph->metrics.vertBearingX; *y = ft_face->glyph->metrics.horiBearingY - (-ft_face->glyph->metrics.vertBearingY); - if (font->x_scale < 0) - *x = -*x; - if (font->y_scale < 0) - *y = -*y; + *x = (hb_position_t) (x_mult * *x); + *y = (hb_position_t) (y_mult * *y); return true; } @@ -426,6 +556,7 @@ hb_ft_get_glyph_h_kerning (hb_font_t *font, void *user_data HB_UNUSED) { const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; + hb_lock_t lock (ft_font->lock); FT_Vector kerningv; FT_Kerning_Mode mode = font->x_ppem ? FT_KERNING_DEFAULT : FT_KERNING_UNFITTED; @@ -446,24 +577,30 @@ hb_ft_get_glyph_extents (hb_font_t *font, const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; hb_lock_t lock (ft_font->lock); FT_Face ft_face = ft_font->ft_face; + float x_mult, y_mult; +#ifdef HAVE_FT_GET_TRANSFORM + if (ft_font->transform) + { + FT_Matrix matrix; + FT_Get_Transform (ft_face, &matrix, nullptr); + x_mult = sqrtf ((float)matrix.xx * matrix.xx + (float)matrix.xy * matrix.xy) / 65536.f; + y_mult = sqrtf ((float)matrix.yx * matrix.yx + (float)matrix.yy * matrix.yy) / 65536.f; + } + else +#endif + { + x_mult = font->x_scale < 0 ? -1 : +1; + y_mult = font->y_scale < 0 ? -1 : +1; + } if (unlikely (FT_Load_Glyph (ft_face, glyph, ft_font->load_flags))) return false; - extents->x_bearing = ft_face->glyph->metrics.horiBearingX; - extents->y_bearing = ft_face->glyph->metrics.horiBearingY; - extents->width = ft_face->glyph->metrics.width; - extents->height = -ft_face->glyph->metrics.height; - if (font->x_scale < 0) - { - extents->x_bearing = -extents->x_bearing; - extents->width = -extents->width; - } - if (font->y_scale < 0) - { - extents->y_bearing = -extents->y_bearing; - extents->height = -extents->height; - } + extents->x_bearing = (hb_position_t) (x_mult * ft_face->glyph->metrics.horiBearingX); + extents->y_bearing = (hb_position_t) (y_mult * ft_face->glyph->metrics.horiBearingY); + extents->width = (hb_position_t) (x_mult * ft_face->glyph->metrics.width); + extents->height = (hb_position_t) (y_mult * -ft_face->glyph->metrics.height); + return true; } @@ -556,15 +693,38 @@ hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED, const hb_ft_font_t *ft_font = (const hb_ft_font_t *) font_data; hb_lock_t lock (ft_font->lock); FT_Face ft_face = ft_font->ft_face; - metrics->ascender = FT_MulFix(ft_face->ascender, ft_face->size->metrics.y_scale); - metrics->descender = FT_MulFix(ft_face->descender, ft_face->size->metrics.y_scale); - metrics->line_gap = FT_MulFix( ft_face->height, ft_face->size->metrics.y_scale ) - (metrics->ascender - metrics->descender); - if (font->y_scale < 0) + float y_mult; +#ifdef HAVE_FT_GET_TRANSFORM + if (ft_font->transform) { - metrics->ascender = -metrics->ascender; - metrics->descender = -metrics->descender; - metrics->line_gap = -metrics->line_gap; + FT_Matrix matrix; + FT_Get_Transform (ft_face, &matrix, nullptr); + y_mult = sqrtf ((float)matrix.yx * matrix.yx + (float)matrix.yy * matrix.yy) / 65536.f; } + else +#endif + { + y_mult = font->y_scale < 0 ? -1 : +1; + } + + if (ft_face->units_per_EM != 0) + { + metrics->ascender = FT_MulFix(ft_face->ascender, ft_face->size->metrics.y_scale); + metrics->descender = FT_MulFix(ft_face->descender, ft_face->size->metrics.y_scale); + metrics->line_gap = FT_MulFix( ft_face->height, ft_face->size->metrics.y_scale ) - (metrics->ascender - metrics->descender); + } + else + { + /* Bitmap-only font, eg. color bitmap font. */ + metrics->ascender = ft_face->size->metrics.ascender; + metrics->descender = ft_face->size->metrics.descender; + metrics->line_gap = ft_face->size->metrics.height - (metrics->ascender - metrics->descender); + } + + metrics->ascender = (hb_position_t) (y_mult * metrics->ascender); + metrics->descender = (hb_position_t) (y_mult * metrics->descender); + metrics->line_gap = (hb_position_t) (y_mult * metrics->line_gap); + return true; } @@ -572,16 +732,18 @@ hb_ft_get_font_h_extents (hb_font_t *font HB_UNUSED, static int _hb_ft_move_to (const FT_Vector *to, - hb_draw_session_t *drawing) + void *arg) { + hb_draw_session_t *drawing = (hb_draw_session_t *) arg; drawing->move_to (to->x, to->y); return FT_Err_Ok; } static int _hb_ft_line_to (const FT_Vector *to, - hb_draw_session_t *drawing) + void *arg) { + hb_draw_session_t *drawing = (hb_draw_session_t *) arg; drawing->line_to (to->x, to->y); return FT_Err_Ok; } @@ -589,8 +751,9 @@ _hb_ft_line_to (const FT_Vector *to, static int _hb_ft_conic_to (const FT_Vector *control, const FT_Vector *to, - hb_draw_session_t *drawing) + void *arg) { + hb_draw_session_t *drawing = (hb_draw_session_t *) arg; drawing->quadratic_to (control->x, control->y, to->x, to->y); return FT_Err_Ok; @@ -600,8 +763,9 @@ static int _hb_ft_cubic_to (const FT_Vector *control1, const FT_Vector *control2, const FT_Vector *to, - hb_draw_session_t *drawing) + void *arg) { + hb_draw_session_t *drawing = (hb_draw_session_t *) arg; drawing->cubic_to (control1->x, control1->y, control2->x, control2->y, to->x, to->y); @@ -627,10 +791,10 @@ hb_ft_get_glyph_shape (hb_font_t *font HB_UNUSED, return; const FT_Outline_Funcs outline_funcs = { - (FT_Outline_MoveToFunc) _hb_ft_move_to, - (FT_Outline_LineToFunc) _hb_ft_line_to, - (FT_Outline_ConicToFunc) _hb_ft_conic_to, - (FT_Outline_CubicToFunc) _hb_ft_cubic_to, + _hb_ft_move_to, + _hb_ft_line_to, + _hb_ft_conic_to, + _hb_ft_cubic_to, 0, /* shift */ 0, /* delta */ }; @@ -815,8 +979,9 @@ hb_ft_face_create_referenced (FT_Face ft_face) } static void -hb_ft_face_finalize (FT_Face ft_face) +hb_ft_face_finalize (void *arg) { + FT_Face ft_face = (FT_Face) arg; hb_face_destroy ((hb_face_t *) ft_face->generic.data); } @@ -848,7 +1013,7 @@ hb_ft_face_create_cached (FT_Face ft_face) ft_face->generic.finalizer (ft_face); ft_face->generic.data = hb_ft_face_create (ft_face, nullptr); - ft_face->generic.finalizer = (FT_Generic_Finalizer) hb_ft_face_finalize; + ft_face->generic.finalizer = hb_ft_face_finalize; } return hb_face_reference ((hb_face_t *) ft_face->generic.data); @@ -961,6 +1126,34 @@ hb_ft_font_changed (hb_font_t *font) #endif } #endif + + ft_font->advance_cache.clear (); + ft_font->cached_serial = font->serial; +} + +/** + * hb_ft_hb_font_changed: + * @font: #hb_font_t to work upon + * + * Refreshes the state of the underlying FT_Face of @font when the hb_font_t + * @font has changed. + * This function should be called after changing the size or + * variation-axis settings on the @font. + * This call is fast if nothing has changed on @font. + * + * Return value: true if changed, false otherwise + * + * Since: 4.4.0 + **/ +hb_bool_t +hb_ft_hb_font_changed (hb_font_t *font) +{ + if (font->destroy != (hb_destroy_func_t) _hb_ft_font_destroy) + return false; + + hb_ft_font_t *ft_font = (hb_ft_font_t *) font->user_data; + + return _hb_ft_hb_font_check_changed (font, ft_font); } /** @@ -1029,8 +1222,9 @@ get_ft_library () } static void -_release_blob (FT_Face ft_face) +_release_blob (void *arg) { + FT_Face ft_face = (FT_Face) arg; hb_blob_destroy ((hb_blob_t *) ft_face->generic.data); } @@ -1081,41 +1275,14 @@ hb_ft_font_set_funcs (hb_font_t *font) if (FT_Select_Charmap (ft_face, FT_ENCODING_MS_SYMBOL)) FT_Select_Charmap (ft_face, FT_ENCODING_UNICODE); - FT_Set_Char_Size (ft_face, - abs (font->x_scale), abs (font->y_scale), - 0, 0); -#if 0 - font->x_ppem * 72 * 64 / font->x_scale, - font->y_ppem * 72 * 64 / font->y_scale); -#endif - if (font->x_scale < 0 || font->y_scale < 0) - { - FT_Matrix matrix = { font->x_scale < 0 ? -1 : +1, 0, - 0, font->y_scale < 0 ? -1 : +1}; - FT_Set_Transform (ft_face, &matrix, nullptr); - } - -#if defined(HAVE_FT_GET_VAR_BLEND_COORDINATES) && !defined(HB_NO_VAR) - unsigned int num_coords; - const int *coords = hb_font_get_var_coords_normalized (font, &num_coords); - if (num_coords) - { - FT_Fixed *ft_coords = (FT_Fixed *) hb_calloc (num_coords, sizeof (FT_Fixed)); - if (ft_coords) - { - for (unsigned int i = 0; i < num_coords; i++) - ft_coords[i] = coords[i] * 4; - FT_Set_Var_Blend_Coordinates (ft_face, num_coords, ft_coords); - hb_free (ft_coords); - } - } -#endif ft_face->generic.data = blob; - ft_face->generic.finalizer = (FT_Generic_Finalizer) _release_blob; + ft_face->generic.finalizer = _release_blob; _hb_ft_font_set_funcs (font, ft_face, true); hb_ft_font_set_load_flags (font, FT_LOAD_DEFAULT | FT_LOAD_NO_HINTING); + + _hb_ft_hb_font_changed (font, ft_face); } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ft.h b/src/3rdparty/harfbuzz-ng/src/hb-ft.h index bf07115ab9..6a8a7abe8c 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ft.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-ft.h @@ -122,10 +122,17 @@ hb_ft_font_set_load_flags (hb_font_t *font, int load_flags); HB_EXTERN int hb_ft_font_get_load_flags (hb_font_t *font); -/* Call when size or variations settings on underlying FT_Face change. */ +/* Call when size or variations settings on underlying FT_Face changed, + * and you want to update the hb_font_t from it. */ HB_EXTERN void hb_ft_font_changed (hb_font_t *font); +/* Call when size or variations settings on underlying hb_font_t may have + * changed, and you want to update the FT_Face from it. This call is fast + * if nothing changed on hb_font_t. Returns true if changed. */ +HB_EXTERN hb_bool_t +hb_ft_hb_font_changed (hb_font_t *font); + /* Makes an hb_font_t use FreeType internally to implement font functions. * Note: this internally creates an FT_Face. Use it when you create your * hb_face_t using hb_face_create(). */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-glib.cc b/src/3rdparty/harfbuzz-ng/src/hb-glib.cc index 8ddc7ebad8..1da81696e7 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-glib.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-glib.cc @@ -129,32 +129,9 @@ hb_glib_unicode_compose (hb_unicode_funcs_t *ufuncs HB_UNUSED, { #if GLIB_CHECK_VERSION(2,29,12) return g_unichar_compose (a, b, ab); +#else + return false; #endif - - /* We don't ifdef-out the fallback code such that compiler always - * sees it and makes sure it's compilable. */ - - gchar utf8[12]; - gchar *normalized; - int len; - hb_bool_t ret; - - len = g_unichar_to_utf8 (a, utf8); - len += g_unichar_to_utf8 (b, utf8 + len); - normalized = g_utf8_normalize (utf8, len, G_NORMALIZE_NFC); - len = g_utf8_strlen (normalized, -1); - if (unlikely (!len)) - return false; - - if (len == 1) { - *ab = g_utf8_get_char (normalized); - ret = true; - } else { - ret = false; - } - - g_free (normalized); - return ret; } static hb_bool_t @@ -166,55 +143,9 @@ hb_glib_unicode_decompose (hb_unicode_funcs_t *ufuncs HB_UNUSED, { #if GLIB_CHECK_VERSION(2,29,12) return g_unichar_decompose (ab, a, b); +#else + return false; #endif - - /* We don't ifdef-out the fallback code such that compiler always - * sees it and makes sure it's compilable. */ - - gchar utf8[6]; - gchar *normalized; - int len; - hb_bool_t ret; - - len = g_unichar_to_utf8 (ab, utf8); - normalized = g_utf8_normalize (utf8, len, G_NORMALIZE_NFD); - len = g_utf8_strlen (normalized, -1); - if (unlikely (!len)) - return false; - - if (len == 1) { - *a = g_utf8_get_char (normalized); - *b = 0; - ret = *a != ab; - } else if (len == 2) { - *a = g_utf8_get_char (normalized); - *b = g_utf8_get_char (g_utf8_next_char (normalized)); - /* Here's the ugly part: if ab decomposes to a single character and - * that character decomposes again, we have to detect that and undo - * the second part :-(. */ - gchar *recomposed = g_utf8_normalize (normalized, -1, G_NORMALIZE_NFC); - hb_codepoint_t c = g_utf8_get_char (recomposed); - if (c != ab && c != *a) { - *a = c; - *b = 0; - } - g_free (recomposed); - ret = true; - } else { - /* If decomposed to more than two characters, take the last one, - * and recompose the rest to get the first component. */ - gchar *end = g_utf8_offset_to_pointer (normalized, len - 1); - gchar *recomposed; - *b = g_utf8_get_char (end); - recomposed = g_utf8_normalize (normalized, end - normalized, G_NORMALIZE_NFC); - /* We expect that recomposed has exactly one character now. */ - *a = g_utf8_get_char (recomposed); - g_free (recomposed); - ret = true; - } - - g_free (normalized); - return ret; } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-graphite2.cc b/src/3rdparty/harfbuzz-ng/src/hb-graphite2.cc index 63dc18b466..9e068f8d84 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-graphite2.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-graphite2.cc @@ -158,7 +158,7 @@ _hb_graphite2_shaper_face_data_destroy (hb_graphite2_face_data_t *data) } /** - * hb_graphite2_face_get_gr_face: + * hb_graphite2_face_get_gr_face: (skip) * @face: @hb_face_t to query * * Fetches the Graphite2 gr_face corresponding to the specified @@ -195,10 +195,10 @@ _hb_graphite2_shaper_font_data_destroy (hb_graphite2_font_data_t *data HB_UNUSED #ifndef HB_DISABLE_DEPRECATED /** - * hb_graphite2_font_get_gr_font: + * hb_graphite2_font_get_gr_font: (skip) * @font: An #hb_font_t * - * Always returns %NULL. Use hb_graphite2_face_get_gr_face() instead. + * Always returns `NULL`. Use hb_graphite2_face_get_gr_face() instead. * * Return value: (nullable): Graphite2 font associated with @font. * @@ -223,7 +223,7 @@ struct hb_graphite2_cluster_t { unsigned int base_glyph; unsigned int num_glyphs; unsigned int cluster; - unsigned int advance; + int advance; }; hb_bool_t @@ -318,7 +318,7 @@ _hb_graphite2_shape (hb_shape_plan_t *shape_plan HB_UNUSED, #undef ALLOCATE_ARRAY - memset (clusters, 0, sizeof (clusters[0]) * buffer->len); + hb_memset (clusters, 0, sizeof (clusters[0]) * buffer->len); hb_codepoint_t *pg = gids; clusters[0].cluster = buffer->info[0].cluster; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-iter.hh b/src/3rdparty/harfbuzz-ng/src/hb-iter.hh index 43a3098f65..b57f37b132 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-iter.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-iter.hh @@ -43,17 +43,12 @@ * is writable, then the iterator returns lvalues, otherwise it * returns rvalues. * - * TODO Document more. - * - * If iterator implementation implements operator!=, then can be + * If iterator implementation implements operator!=, then it can be * used in range-based for loop. That already happens if the iterator * is random-access. Otherwise, the range-based for loop incurs * one traversal to find end(), which can be avoided if written * as a while-style for loop, or if iterator implements a faster - * __end__() method. - * TODO When opting in for C++17, address this by changing return - * type of .end()? - */ + * __end__() method. */ /* * Base classes for iterators. @@ -75,20 +70,17 @@ struct hb_iter_t iter_t* thiz () { return static_cast< iter_t *> (this); } public: - /* TODO: - * Port operators below to use hb_enable_if to sniff which method implements - * an operator and use it, and remove hb_iter_fallback_mixin_t completely. */ - /* Operators. */ iter_t iter () const { return *thiz(); } iter_t operator + () const { return *thiz(); } - iter_t begin () const { return *thiz(); } - iter_t end () const { return thiz()->__end__ (); } + iter_t _begin () const { return *thiz(); } + iter_t begin () const { return _begin (); } + iter_t _end () const { return thiz()->__end__ (); } + iter_t end () const { return _end (); } explicit operator bool () const { return thiz()->__more__ (); } unsigned len () const { return thiz()->__len__ (); } /* The following can only be enabled if item_t is reference type. Otherwise - * it will be returning pointer to temporary rvalue. - * TODO Use a wrapper return type to fix for non-reference type. */ + * it will be returning pointer to temporary rvalue. */ template ::value)> hb_remove_reference* operator -> () const { return std::addressof (**thiz()); } @@ -128,7 +120,9 @@ struct hb_iter_t #define HB_ITER_USING(Name) \ using item_t = typename Name::item_t; \ + using Name::_begin; \ using Name::begin; \ + using Name::_end; \ using Name::end; \ using Name::get_item_size; \ using Name::is_iterator; \ @@ -263,6 +257,8 @@ struct hb_is_iterator_of }; #define hb_is_iterator_of(Iter, Item) hb_is_iterator_of::value #define hb_is_iterator(Iter) hb_is_iterator_of (Iter, typename Iter::item_t) +#define hb_is_sorted_iterator_of(Iter, Item) (hb_is_iterator_of::value && Iter::is_sorted_iterator) +#define hb_is_sorted_iterator(Iter) hb_is_sorted_iterator_of (Iter, typename Iter::item_t) /* hb_is_iterable() */ @@ -385,7 +381,7 @@ struct hb_map_iter_t : void __forward__ (unsigned n) { it += n; } void __prev__ () { --it; } void __rewind__ (unsigned n) { it -= n; } - hb_map_iter_t __end__ () const { return hb_map_iter_t (it.end (), f); } + hb_map_iter_t __end__ () const { return hb_map_iter_t (it._end (), f); } bool operator != (const hb_map_iter_t& o) const { return it != o.it; } @@ -448,7 +444,7 @@ struct hb_filter_iter_t : bool __more__ () const { return bool (it); } void __next__ () { do ++it; while (it && !hb_has (p.get (), hb_get (f.get (), *it))); } void __prev__ () { do --it; while (it && !hb_has (p.get (), hb_get (f.get (), *it))); } - hb_filter_iter_t __end__ () const { return hb_filter_iter_t (it.end (), p, f); } + hb_filter_iter_t __end__ () const { return hb_filter_iter_t (it._end (), p, f); } bool operator != (const hb_filter_iter_t& o) const { return it != o.it; } @@ -561,7 +557,7 @@ struct hb_zip_iter_t : void __forward__ (unsigned n) { a += n; b += n; } void __prev__ () { --a; --b; } void __rewind__ (unsigned n) { a -= n; b -= n; } - hb_zip_iter_t __end__ () const { return hb_zip_iter_t (a.end (), b.end ()); } + hb_zip_iter_t __end__ () const { return hb_zip_iter_t (a._end (), b._end ()); } /* Note, we should stop if ANY of the iters reaches end. As such two compare * unequal if both items are unequal, NOT if either is unequal. */ bool operator != (const hb_zip_iter_t& o) const @@ -645,7 +641,7 @@ struct hb_concat_iter_t : } } - hb_concat_iter_t __end__ () const { return hb_concat_iter_t (a.end (), b.end ()); } + hb_concat_iter_t __end__ () const { return hb_concat_iter_t (a._end (), b._end ()); } bool operator != (const hb_concat_iter_t& o) const { return a != o.a diff --git a/src/3rdparty/harfbuzz-ng/src/hb-machinery.hh b/src/3rdparty/harfbuzz-ng/src/hb-machinery.hh index e52a6a4124..b555739cfb 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-machinery.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-machinery.hh @@ -136,6 +136,13 @@ static inline Type& StructAfter(TObject &X) /* * Lazy loaders. + * + * The lazy-loaders are thread-safe pointer-like objects that create their + * instead on-demand. They also support access to a "data" object that is + * necessary for creating their instance. The data object, if specified, + * is accessed via pointer math, located at a location before the position + * of the loader itself. This avoids having to store a pointer to data + * for every lazy-loader. Multiple lazy-loaders can access the same data. */ template @@ -176,12 +183,12 @@ struct hb_lazy_loader_t : hb_data_wrapper_t void init0 () {} /* Init, when memory is already set to 0. No-op for us. */ void init () { instance.set_relaxed (nullptr); } - void fini () { do_destroy (instance.get ()); } + void fini () { do_destroy (instance.get_acquire ()); init (); } void free_instance () { retry: - Stored *p = instance.get (); + Stored *p = instance.get_acquire (); if (unlikely (p && !cmpexch (p, nullptr))) goto retry; do_destroy (p); @@ -203,7 +210,7 @@ struct hb_lazy_loader_t : hb_data_wrapper_t Stored * get_stored () const { retry: - Stored *p = this->instance.get (); + Stored *p = this->instance.get_acquire (); if (unlikely (!p)) { if (unlikely (this->is_inert ())) @@ -228,7 +235,8 @@ struct hb_lazy_loader_t : hb_data_wrapper_t bool cmpexch (Stored *current, Stored *value) const { - /* This *must* be called when there are no other threads accessing. */ + /* This function can only be safely called directly if no + * other thread is accessing. */ return this->instance.cmpexch (current, value); } @@ -261,7 +269,7 @@ struct hb_lazy_loader_t : hb_data_wrapper_t hb_free (p); } -// private: + private: /* Must only have one pointer. */ hb_atomic_ptr_t instance; }; @@ -283,7 +291,7 @@ struct hb_table_lazy_loader_t : hb_lazy_loader_t (face); } static void destroy (hb_blob_t *p) { hb_blob_destroy (p); } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-map.cc b/src/3rdparty/harfbuzz-ng/src/hb-map.cc index 9f1ac42846..5c5f5de59e 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-map.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-map.cc @@ -40,7 +40,7 @@ /** - * hb_map_create: (Xconstructor) + * hb_map_create: * * Creates a new, initially empty map. * @@ -56,8 +56,6 @@ hb_map_create () if (!(map = hb_object_create ())) return hb_map_get_empty (); - map->init_shallow (); - return map; } @@ -107,8 +105,6 @@ hb_map_destroy (hb_map_t *map) { if (!hb_object_destroy (map)) return; - map->fini_shallow (); - hb_free (map); } @@ -122,7 +118,7 @@ hb_map_destroy (hb_map_t *map) * * Attaches a user-data key/data pair to the specified map. * - * Return value: %true if success, %false otherwise + * Return value: `true` if success, `false` otherwise * * Since: 1.7.7 **/ @@ -149,7 +145,7 @@ hb_map_set_user_data (hb_map_t *map, * Since: 1.7.7 **/ void * -hb_map_get_user_data (hb_map_t *map, +hb_map_get_user_data (const hb_map_t *map, hb_user_data_key_t *key) { return hb_object_get_user_data (map, key); @@ -162,7 +158,7 @@ hb_map_get_user_data (hb_map_t *map, * * Tests whether memory allocation for a set was successful. * - * Return value: %true if allocation succeeded, %false otherwise + * Return value: `true` if allocation succeeded, `false` otherwise * * Since: 1.7.7 **/ @@ -172,6 +168,25 @@ hb_map_allocation_successful (const hb_map_t *map) return map->successful; } +/** + * hb_map_copy: + * @map: A map + * + * Allocate a copy of @map. + * + * Return value: Newly-allocated map. + * + * Since: 4.4.0 + **/ +hb_map_t * +hb_map_copy (const hb_map_t *map) +{ + hb_map_t *copy = hb_map_create (); + if (unlikely (!copy)) return nullptr; + copy->resize (map->population); + hb_copy (*map, *copy); + return copy; +} /** * hb_map_set: @@ -232,7 +247,7 @@ hb_map_del (hb_map_t *map, * * Tests whether @key is an element of @map. * - * Return value: %true if @key is found in @map, %false otherwise + * Return value: `true` if @key is found in @map, `false` otherwise * * Since: 1.7.7 **/ @@ -264,7 +279,7 @@ hb_map_clear (hb_map_t *map) * * Tests whether @map is empty (contains no elements). * - * Return value: %true if @map is empty + * Return value: `true` if @map is empty * * Since: 1.7.7 **/ @@ -289,3 +304,40 @@ hb_map_get_population (const hb_map_t *map) { return map->get_population (); } + +/** + * hb_map_is_equal: + * @map: A map + * @other: Another map + * + * Tests whether @map and @other are equal (contain the same + * elements). + * + * Return value: `true` if the two maps are equal, `false` otherwise. + * + * Since: 4.3.0 + **/ +hb_bool_t +hb_map_is_equal (const hb_map_t *map, + const hb_map_t *other) +{ + return map->is_equal (*other); +} + +/** + * hb_map_hash: + * @map: A map + * + * Creates a hash representing @map. + * + * Return value: + * A hash of @map. + * + * Since: 4.4.0 + **/ +HB_EXTERN unsigned int +hb_map_hash (const hb_map_t *map) +{ + return map->hash (); +} + diff --git a/src/3rdparty/harfbuzz-ng/src/hb-map.h b/src/3rdparty/harfbuzz-ng/src/hb-map.h index 6a45a7bdd5..3a067c5c73 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-map.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-map.h @@ -74,7 +74,7 @@ hb_map_set_user_data (hb_map_t *map, hb_bool_t replace); HB_EXTERN void * -hb_map_get_user_data (hb_map_t *map, +hb_map_get_user_data (const hb_map_t *map, hb_user_data_key_t *key); @@ -82,6 +82,9 @@ hb_map_get_user_data (hb_map_t *map, HB_EXTERN hb_bool_t hb_map_allocation_successful (const hb_map_t *map); +HB_EXTERN hb_map_t * +hb_map_copy (const hb_map_t *map); + HB_EXTERN void hb_map_clear (hb_map_t *map); @@ -91,6 +94,13 @@ hb_map_is_empty (const hb_map_t *map); HB_EXTERN unsigned int hb_map_get_population (const hb_map_t *map); +HB_EXTERN hb_bool_t +hb_map_is_equal (const hb_map_t *map, + const hb_map_t *other); + +HB_EXTERN unsigned int +hb_map_hash (const hb_map_t *map); + HB_EXTERN void hb_map_set (hb_map_t *map, hb_codepoint_t key, diff --git a/src/3rdparty/harfbuzz-ng/src/hb-map.hh b/src/3rdparty/harfbuzz-ng/src/hb-map.hh index 9341637eac..bfb1b3f768 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-map.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-map.hh @@ -34,19 +34,18 @@ * hb_hashmap_t */ +extern HB_INTERNAL const hb_codepoint_t minus_1; + template ::value ? 0 : std::is_signed::value ? hb_int_min (K) : (K) -1, - v_invalid_t vINVALID = std::is_pointer::value ? 0 : std::is_signed::value ? hb_int_min (V) : (V) -1> + bool minus_one = false> struct hb_hashmap_t { hb_hashmap_t () { init (); } ~hb_hashmap_t () { fini (); } - hb_hashmap_t (const hb_hashmap_t& o) : hb_hashmap_t () { hb_copy (o, *this); } + hb_hashmap_t (const hb_hashmap_t& o) : hb_hashmap_t () { resize (o.population); hb_copy (o, *this); } hb_hashmap_t (hb_hashmap_t&& o) : hb_hashmap_t () { hb_swap (*this, o); } - hb_hashmap_t& operator= (const hb_hashmap_t& o) { hb_copy (o, *this); return *this; } + hb_hashmap_t& operator= (const hb_hashmap_t& o) { reset (); resize (o.population); hb_copy (o, *this); return *this; } hb_hashmap_t& operator= (hb_hashmap_t&& o) { hb_swap (*this, o); return *this; } hb_hashmap_t (std::initializer_list> lst) : hb_hashmap_t () @@ -58,49 +57,54 @@ struct hb_hashmap_t hb_requires (hb_is_iterable (Iterable))> hb_hashmap_t (const Iterable &o) : hb_hashmap_t () { - hb_copy (o, *this); + auto iter = hb_iter (o); + if (iter.is_random_access_iterator) + resize (hb_len (iter)); + hb_copy (iter, *this); } struct item_t { K key; + uint32_t hash : 30; + uint32_t is_used_ : 1; + uint32_t is_tombstone_ : 1; V value; - uint32_t hash; - void clear () - { - new (std::addressof (key)) K (); - key = hb_coerce (kINVALID); - new (std::addressof (value)) V (); - value = hb_coerce (vINVALID); - hash = 0; - } + item_t () : key (), + hash (0), + is_used_ (false), is_tombstone_ (false), + value () {} - bool operator == (const K &o) { return hb_deref (key) == hb_deref (o); } - bool operator == (const item_t &o) { return *this == o.key; } - bool is_unused () const + bool is_used () const { return is_used_; } + void set_used (bool is_used) { is_used_ = is_used; } + bool is_tombstone () const { return is_tombstone_; } + void set_tombstone (bool is_tombstone) { is_tombstone_ = is_tombstone; } + bool is_real () const { return is_used_ && !is_tombstone_; } + + template + static inline const V& default_value () { return Null(V); }; + template + static inline const V& default_value () { - const K inv = hb_coerce (kINVALID); - return key == inv; - } - bool is_tombstone () const - { - const K kinv = hb_coerce (kINVALID); - const V vinv = hb_coerce (vINVALID); - return key != kinv && value == vinv; - } - bool is_real () const - { - const K kinv = hb_coerce (kINVALID); - const V vinv = hb_coerce (vINVALID); - return key != kinv && value != vinv; - } + static_assert (hb_is_same (V, hb_codepoint_t), ""); + return minus_1; + }; + + bool operator == (const K &o) const { return hb_deref (key) == hb_deref (o); } + bool operator == (const item_t &o) const { return *this == o.key; } hb_pair_t get_pair() const { return hb_pair_t (key, value); } + hb_pair_t get_pair_ref() const { return hb_pair_t (key, value); } + + uint32_t total_hash () const + { return (hash * 31) + hb_hash (value); } }; hb_object_header_t header; - bool successful; /* Allocations successful */ - unsigned int population; /* Not including tombstones. */ + unsigned int successful : 1; /* Allocations successful */ + unsigned int population : 31; /* Not including tombstones. */ unsigned int occupancy; /* Including tombstones. */ unsigned int mask; unsigned int prime; @@ -110,27 +114,29 @@ struct hb_hashmap_t { if (unlikely (!a.successful || !b.successful)) return; - hb_swap (a.population, b.population); + unsigned tmp = a.population; + a.population = b.population; + b.population = tmp; + //hb_swap (a.population, b.population); hb_swap (a.occupancy, b.occupancy); hb_swap (a.mask, b.mask); hb_swap (a.prime, b.prime); hb_swap (a.items, b.items); } - void init_shallow () + void init () { + hb_object_init (this); + successful = true; population = occupancy = 0; mask = 0; prime = 0; items = nullptr; } - void init () - { - hb_object_init (this); - init_shallow (); - } - void fini_shallow () + void fini () { + hb_object_fini (this); + if (likely (items)) { unsigned size = mask + 1; for (unsigned i = 0; i < size; i++) @@ -140,11 +146,6 @@ struct hb_hashmap_t } population = occupancy = 0; } - void fini () - { - hb_object_fini (this); - fini_shallow (); - } void reset () { @@ -154,11 +155,13 @@ struct hb_hashmap_t bool in_error () const { return !successful; } - bool resize () + bool resize (unsigned new_population = 0) { if (unlikely (!successful)) return false; - unsigned int power = hb_bit_storage (population * 2 + 8); + if (new_population != 0 && (new_population + new_population / 2) < mask) return true; + + unsigned int power = hb_bit_storage (hb_max ((unsigned) population, new_population) * 2 + 8); unsigned int new_size = 1u << power; item_t *new_items = (item_t *) hb_malloc ((size_t) new_size * sizeof (item_t)); if (unlikely (!new_items)) @@ -167,9 +170,9 @@ struct hb_hashmap_t return false; } for (auto &_ : hb_iter (new_items, new_size)) - _.clear (); + new (&_) item_t (); - unsigned int old_size = mask + 1; + unsigned int old_size = size (); item_t *old_items = items; /* Switch to new, empty, array. */ @@ -179,55 +182,102 @@ struct hb_hashmap_t items = new_items; /* Insert back old items. */ - if (old_items) - for (unsigned int i = 0; i < old_size; i++) + for (unsigned int i = 0; i < old_size; i++) + { + if (old_items[i].is_real ()) { - if (old_items[i].is_real ()) - { - set_with_hash (old_items[i].key, - old_items[i].hash, - std::move (old_items[i].value)); - } - old_items[i].~item_t (); + set_with_hash (std::move (old_items[i].key), + old_items[i].hash, + std::move (old_items[i].value)); } + old_items[i].~item_t (); + } hb_free (old_items); return true; } - bool set (K key, const V& value) { return set_with_hash (key, hb_hash (key), value); } - bool set (K key, V&& value) { return set_with_hash (key, hb_hash (key), std::move (value)); } - - V get (K key) const + template + bool set_with_hash (KK&& key, uint32_t hash, VV&& value, bool is_delete=false) { - if (unlikely (!items)) return hb_coerce (vINVALID); - unsigned int i = bucket_for (key); - return items[i].is_real () && items[i] == key ? items[i].value : hb_coerce (vINVALID); + if (unlikely (!successful)) return false; + if (unlikely ((occupancy + occupancy / 2) >= mask && !resize ())) return false; + item_t &item = item_for_hash (key, hash); + + if (is_delete && !(item == key)) + return true; /* Trying to delete non-existent key. */ + + if (item.is_used ()) + { + occupancy--; + if (!item.is_tombstone ()) + population--; + } + + item.key = std::forward (key); + item.value = std::forward (value); + item.hash = hash; + item.set_used (true); + item.set_tombstone (is_delete); + + occupancy++; + if (!is_delete) + population++; + + return true; } - void del (K key) { set (key, hb_coerce (vINVALID)); } + template + bool set (const K &key, VV&& value) { return set_with_hash (key, hb_hash (key), std::forward (value)); } + template + bool set (K &&key, VV&& value) { return set_with_hash (std::move (key), hb_hash (key), std::forward (value)); } + + const V& get_with_hash (const K &key, uint32_t hash) const + { + if (unlikely (!items)) return item_t::default_value (); + auto &item = item_for_hash (key, hash); + return item.is_real () && item == key ? item.value : item_t::default_value (); + } + const V& get (const K &key) const + { + if (unlikely (!items)) return item_t::default_value (); + return get_with_hash (key, hb_hash (key)); + } + + void del (const K &key) { set_with_hash (key, hb_hash (key), item_t::default_value (), true); } /* Has interface. */ - typedef V value_t; - value_t operator [] (K k) const { return get (k); } - bool has (K k, V *vp = nullptr) const + const V& operator [] (K k) const { return get (k); } + template + bool has (K key, VV **vp = nullptr) const { - V v = (*this)[k]; - if (vp) *vp = v; - const V vinv = hb_coerce (vINVALID); - return v != vinv; + if (unlikely (!items)) + return false; + auto &item = item_for_hash (key, hb_hash (key)); + if (item.is_real () && item == key) + { + if (vp) *vp = std::addressof (item.value); + return true; + } + else + return false; } /* Projection. */ V operator () (K k) const { return get (k); } + unsigned size () const { return mask ? mask + 1 : 0; } + void clear () { if (unlikely (!successful)) return; - if (items) - for (auto &_ : hb_iter (items, mask + 1)) - _.clear (); + for (auto &_ : hb_iter (items, size ())) + { + /* Reconstruct items. */ + _.~item_t (); + new (&_) item_t (); + } population = occupancy = 0; } @@ -235,88 +285,94 @@ struct hb_hashmap_t bool is_empty () const { return population == 0; } explicit operator bool () const { return !is_empty (); } + uint32_t hash () const + { + return + + iter_items () + | hb_reduce ([] (uint32_t h, const item_t &_) { return h ^ _.total_hash (); }, (uint32_t) 0u) + ; + } + + bool is_equal (const hb_hashmap_t &other) const + { + if (population != other.population) return false; + + for (auto pair : iter ()) + if (other.get (pair.first) != pair.second) + return false; + + return true; + } + bool operator == (const hb_hashmap_t &other) const { return is_equal (other); } + bool operator != (const hb_hashmap_t &other) const { return !is_equal (other); } + unsigned int get_population () const { return population; } /* * Iterator */ + + auto iter_items () const HB_AUTO_RETURN + ( + + hb_iter (items, size ()) + | hb_filter (&item_t::is_real) + ) + auto iter_ref () const HB_AUTO_RETURN + ( + + iter_items () + | hb_map (&item_t::get_pair_ref) + ) auto iter () const HB_AUTO_RETURN ( - + hb_array (items, mask ? mask + 1 : 0) - | hb_filter (&item_t::is_real) + + iter_items () | hb_map (&item_t::get_pair) ) + auto keys_ref () const HB_AUTO_RETURN + ( + + iter_items () + | hb_map (&item_t::key) + ) auto keys () const HB_AUTO_RETURN ( - + hb_array (items, mask ? mask + 1 : 0) - | hb_filter (&item_t::is_real) - | hb_map (&item_t::key) + + keys_ref () | hb_map (hb_ridentity) ) + auto values_ref () const HB_AUTO_RETURN + ( + + iter_items () + | hb_map (&item_t::value) + ) auto values () const HB_AUTO_RETURN ( - + hb_array (items, mask ? mask + 1 : 0) - | hb_filter (&item_t::is_real) - | hb_map (&item_t::value) + + values_ref () | hb_map (hb_ridentity) ) /* Sink interface. */ hb_hashmap_t& operator << (const hb_pair_t& v) { set (v.first, v.second); return *this; } + hb_hashmap_t& operator << (const hb_pair_t& v) + { set (v.first, std::move (v.second)); return *this; } + hb_hashmap_t& operator << (const hb_pair_t& v) + { set (std::move (v.first), v.second); return *this; } + hb_hashmap_t& operator << (const hb_pair_t& v) + { set (std::move (v.first), std::move (v.second)); return *this; } - protected: - - template - bool set_with_hash (K key, uint32_t hash, VV&& value) - { - if (unlikely (!successful)) return false; - const K kinv = hb_coerce (kINVALID); - if (unlikely (key == kinv)) return true; - if (unlikely ((occupancy + occupancy / 2) >= mask && !resize ())) return false; - unsigned int i = bucket_for_hash (key, hash); - - const V vinv = hb_coerce (vINVALID); - if (value == vinv && items[i].key != key) - return true; /* Trying to delete non-existent key. */ - - if (!items[i].is_unused ()) - { - occupancy--; - if (!items[i].is_tombstone ()) - population--; - } - - items[i].key = key; - items[i].value = value; - items[i].hash = hash; - - occupancy++; - if (!items[i].is_tombstone ()) - population++; - - return true; - } - - unsigned int bucket_for (K key) const - { - return bucket_for_hash (key, hb_hash (key)); - } - - unsigned int bucket_for_hash (K key, uint32_t hash) const + item_t& item_for_hash (const K &key, uint32_t hash) const { + hash &= 0x3FFFFFFF; // We only store lower 30bit of hash unsigned int i = hash % prime; unsigned int step = 0; unsigned int tombstone = (unsigned) -1; - while (!items[i].is_unused ()) + while (items[i].is_used ()) { if (items[i].hash == hash && items[i] == key) - return i; + return items[i]; if (tombstone == (unsigned) -1 && items[i].is_tombstone ()) tombstone = i; i = (i + ++step) & mask; } - return tombstone == (unsigned) -1 ? i : tombstone; + return items[tombstone == (unsigned) -1 ? i : tombstone]; } static unsigned int prime_for (unsigned int shift) @@ -377,21 +433,16 @@ struct hb_hashmap_t struct hb_map_t : hb_hashmap_t + true> { using hashmap = hb_hashmap_t; + true>; - hb_map_t () = default; ~hb_map_t () = default; - hb_map_t (hb_map_t&) = default; + hb_map_t () : hashmap () {} + hb_map_t (const hb_map_t &o) : hashmap ((hashmap &) o) {} + hb_map_t (hb_map_t &&o) : hashmap (std::move ((hashmap &) o)) {} hb_map_t& operator= (const hb_map_t&) = default; hb_map_t& operator= (hb_map_t&&) = default; hb_map_t (std::initializer_list> lst) : hashmap (lst) {} @@ -400,4 +451,37 @@ struct hb_map_t : hb_hashmap_t +static inline +hb_hashmap_t* hb_hashmap_create () +{ + using hashmap = hb_hashmap_t; + hashmap* map; + if (!(map = hb_object_create ())) + return nullptr; + + return map; +} + +template +static inline +void hb_hashmap_destroy (hb_hashmap_t* map) +{ + if (!hb_object_destroy (map)) + return; + + hb_free (map); +} + +namespace hb { + +template +struct vtable> +{ + static constexpr auto destroy = hb_hashmap_destroy; +}; + +} + + #endif /* HB_MAP_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-meta.hh b/src/3rdparty/harfbuzz-ng/src/hb-meta.hh index 3fea5d995e..31aa7fa6f1 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-meta.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-meta.hh @@ -112,8 +112,7 @@ template auto _hb_try_add_pointer (hb_priority<1>) -> hb_type_ident template using hb_add_pointer = decltype (_hb_try_add_pointer (hb_prioritize)); -/* TODO Add feature-parity to std::decay. */ -template using hb_decay = hb_remove_const>; +template using hb_decay = typename std::decay::type; #define hb_is_convertible(From,To) std::is_convertible::value @@ -133,6 +132,18 @@ struct template constexpr auto operator () (T *v) const HB_AUTO_RETURN (*v) + + template constexpr auto + operator () (const hb::shared_ptr& v) const HB_AUTO_RETURN (*v) + + template constexpr auto + operator () (hb::shared_ptr& v) const HB_AUTO_RETURN (*v) + + template constexpr auto + operator () (const hb::unique_ptr& v) const HB_AUTO_RETURN (*v) + + template constexpr auto + operator () (hb::unique_ptr& v) const HB_AUTO_RETURN (*v) } HB_FUNCOBJ (hb_deref); @@ -188,6 +199,19 @@ template <> struct hb_int_max : hb_integral_constant struct hb_int_max : hb_integral_constant {}; #define hb_int_max(T) hb_int_max::value +#if defined(__GNUC__) && __GNUC__ < 5 && !defined(__clang__) +#define hb_is_trivially_copyable(T) __has_trivial_copy(T) +#define hb_is_trivially_copy_assignable(T) __has_trivial_assign(T) +#define hb_is_trivially_constructible(T) __has_trivial_constructor(T) +#define hb_is_trivially_copy_constructible(T) __has_trivial_copy_constructor(T) +#define hb_is_trivially_destructible(T) __has_trivial_destructor(T) +#else +#define hb_is_trivially_copyable(T) std::is_trivially_copyable::value +#define hb_is_trivially_copy_assignable(T) std::is_trivially_copy_assignable::value +#define hb_is_trivially_constructible(T) std::is_trivially_constructible::value +#define hb_is_trivially_copy_constructible(T) std::is_trivially_copy_constructible::value +#define hb_is_trivially_destructible(T) std::is_trivially_destructible::value +#endif /* Class traits. */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ms-feature-ranges.hh b/src/3rdparty/harfbuzz-ng/src/hb-ms-feature-ranges.hh index d40fdeaa82..46a20c91ea 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ms-feature-ranges.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ms-feature-ranges.hh @@ -166,7 +166,7 @@ hb_ms_setup_features (const hb_feature_t *features, { auto *feature = active_features.lsearch (event->feature); if (feature) - active_features.remove (feature - active_features.arrayZ); + active_features.remove_ordered (feature - active_features.arrayZ); } } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-multimap.hh b/src/3rdparty/harfbuzz-ng/src/hb-multimap.hh new file mode 100644 index 0000000000..f0f95917aa --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/hb-multimap.hh @@ -0,0 +1,92 @@ +/* + * Copyright © 2022 Behdad Esfahbod + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + */ + +#ifndef HB_MULTIMAP_HH +#define HB_MULTIMAP_HH + +#include "hb.hh" +#include "hb-map.hh" +#include "hb-vector.hh" + + +/* + * hb_multimap_t + */ + +struct hb_multimap_t +{ + void add (hb_codepoint_t k, hb_codepoint_t v) + { + hb_codepoint_t *i; + if (multiples_indices.has (k, &i)) + { + multiples_values[*i].push (v); + return; + } + + hb_codepoint_t *old_v; + if (singulars.has (k, &old_v)) + { + hb_codepoint_t old = *old_v; + singulars.del (k); + + multiples_indices.set (k, multiples_values.length); + auto *vec = multiples_values.push (); + + vec->push (old); + vec->push (v); + + return; + } + + singulars.set (k, v); + } + + hb_array_t get (hb_codepoint_t k) const + { + hb_codepoint_t *v; + if (singulars.has (k, &v)) + return hb_array (v, 1); + + hb_codepoint_t *i; + if (multiples_indices.has (k, &i)) + return multiples_values[*i].as_array (); + + return hb_array_t (); + } + + bool in_error () const + { + return singulars.in_error () || multiples_indices.in_error () || multiples_values.in_error (); + } + + protected: + hb_map_t singulars; + hb_map_t multiples_indices; + hb_vector_t> multiples_values; +}; + + + +#endif /* HB_MULTIMAP_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-mutex.hh b/src/3rdparty/harfbuzz-ng/src/hb-mutex.hh index 6914b22450..053f9ddcc4 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-mutex.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-mutex.hh @@ -108,10 +108,11 @@ struct hb_mutex_t struct hb_lock_t { - hb_lock_t (hb_mutex_t &mutex_) : mutex (mutex_) { mutex.lock (); } - ~hb_lock_t () { mutex.unlock (); } + hb_lock_t (hb_mutex_t &mutex_) : mutex (&mutex_) { mutex->lock (); } + hb_lock_t (hb_mutex_t *mutex_) : mutex (mutex_) { if (mutex) mutex->lock (); } + ~hb_lock_t () { if (mutex) mutex->unlock (); } private: - hb_mutex_t &mutex; + hb_mutex_t *mutex; }; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-null.hh b/src/3rdparty/harfbuzz-ng/src/hb-null.hh index db38a4dfd2..0d7f4da79e 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-null.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-null.hh @@ -37,7 +37,25 @@ /* Global nul-content Null pool. Enlarge as necessary. */ -#define HB_NULL_POOL_SIZE 384 +#define HB_NULL_POOL_SIZE 448 + +template +struct _hb_has_min_size : hb_false_type {}; +template +struct _hb_has_min_size> + : hb_true_type {}; +template +using hb_has_min_size = _hb_has_min_size; +#define hb_has_min_size(T) hb_has_min_size::value + +template +struct _hb_has_null_size : hb_false_type {}; +template +struct _hb_has_null_size> + : hb_true_type {}; +template +using hb_has_null_size = _hb_has_null_size; +#define hb_has_null_size(T) hb_has_null_size::value /* Use SFINAE to sniff whether T has min_size; in which case return the larger * of sizeof(T) and T::null_size, otherwise return sizeof(T). @@ -108,7 +126,7 @@ struct NullHelper /* Specializations for arbitrary-content Null objects expressed in bytes. */ #define DECLARE_NULL_NAMESPACE_BYTES(Namespace, Type) \ } /* Close namespace. */ \ - extern HB_INTERNAL const unsigned char _hb_Null_##Namespace##_##Type[Namespace::Type::null_size]; \ + extern HB_INTERNAL const unsigned char _hb_Null_##Namespace##_##Type[hb_null_size (Namespace::Type)]; \ template <> \ struct Null { \ static Namespace::Type const & get_null () { \ @@ -117,8 +135,19 @@ struct NullHelper }; \ namespace Namespace { \ static_assert (true, "") /* Require semicolon after. */ +#define DECLARE_NULL_NAMESPACE_BYTES_TEMPLATE1(Namespace, Type, Size) \ + } /* Close namespace. */ \ + extern HB_INTERNAL const unsigned char _hb_Null_##Namespace##_##Type[Size]; \ + template \ + struct Null> { \ + static Namespace::Type const & get_null () { \ + return *reinterpret_cast *> (_hb_Null_##Namespace##_##Type); \ + } \ + }; \ + namespace Namespace { \ + static_assert (true, "") /* Require semicolon after. */ #define DEFINE_NULL_NAMESPACE_BYTES(Namespace, Type) \ - const unsigned char _hb_Null_##Namespace##_##Type[Namespace::Type::null_size] + const unsigned char _hb_Null_##Namespace##_##Type[sizeof (_hb_Null_##Namespace##_##Type)] /* Specializations for arbitrary-content Null objects expressed as struct initializer. */ #define DECLARE_NULL_INSTANCE(Type) \ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-number-parser.hh b/src/3rdparty/harfbuzz-ng/src/hb-number-parser.hh index 1a9dbba6dd..ec68c3a728 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-number-parser.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-number-parser.hh @@ -31,7 +31,7 @@ #include "hb.hh" -#line 35 "hb-number-parser.hh" +#line 32 "hb-number-parser.hh" static const unsigned char _double_parser_trans_keys[] = { 0u, 0u, 43u, 57u, 46u, 57u, 48u, 57u, 43u, 57u, 48u, 57u, 48u, 101u, 48u, 57u, 46u, 101u, 0 @@ -135,12 +135,12 @@ strtod_rl (const char *p, const char **end_ptr /* IN/OUT */) int cs; -#line 139 "hb-number-parser.hh" +#line 132 "hb-number-parser.hh" { cs = double_parser_start; } -#line 144 "hb-number-parser.hh" +#line 135 "hb-number-parser.hh" { int _slen; int _trans; @@ -198,7 +198,7 @@ _resume: exp_overflow = true; } break; -#line 202 "hb-number-parser.hh" +#line 187 "hb-number-parser.hh" } _again: diff --git a/src/3rdparty/harfbuzz-ng/src/hb-object.hh b/src/3rdparty/harfbuzz-ng/src/hb-object.hh index 4b5bc32ade..a23c25f7ca 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-object.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-object.hh @@ -80,7 +80,7 @@ struct hb_lockable_set_t if (item) { item_t old = *item; - *item = items[items.length - 1]; + *item = std::move (items.tail ()); items.pop (); l.unlock (); old.fini (); @@ -123,7 +123,7 @@ struct hb_lockable_set_t l.lock (); while (items.length) { - item_t old = items[items.length - 1]; + item_t old = items.tail (); items.pop (); l.unlock (); old.fini (); @@ -144,14 +144,14 @@ struct hb_reference_count_t { mutable hb_atomic_int_t ref_count; - void init (int v = 1) { ref_count.set_relaxed (v); } - int get_relaxed () const { return ref_count.get_relaxed (); } + void init (int v = 1) { ref_count = v; } + int get_relaxed () const { return ref_count; } int inc () const { return ref_count.inc (); } int dec () const { return ref_count.dec (); } - void fini () { ref_count.set_relaxed (-0x0000DEAD); } + void fini () { ref_count = -0x0000DEAD; } - bool is_inert () const { return !ref_count.get_relaxed (); } - bool is_valid () const { return ref_count.get_relaxed () > 0; } + bool is_inert () const { return !ref_count; } + bool is_valid () const { return ref_count > 0; } }; @@ -214,23 +214,26 @@ static inline void hb_object_trace (const Type *obj, const char *function) obj ? obj->header.ref_count.get_relaxed () : 0); } -template -static inline Type *hb_object_create () +template +static inline Type *hb_object_create (Ts... ds) { Type *obj = (Type *) hb_calloc (1, sizeof (Type)); if (unlikely (!obj)) return obj; + new (obj) Type (std::forward (ds)...); + hb_object_init (obj); hb_object_trace (obj, HB_FUNC); + return obj; } template static inline void hb_object_init (Type *obj) { obj->header.ref_count.init (); - obj->header.writable.set_relaxed (true); + obj->header.writable = true; obj->header.user_data.init (); } template @@ -241,12 +244,12 @@ static inline bool hb_object_is_valid (const Type *obj) template static inline bool hb_object_is_immutable (const Type *obj) { - return !obj->header.writable.get_relaxed (); + return !obj->header.writable; } template static inline void hb_object_make_immutable (const Type *obj) { - obj->header.writable.set_relaxed (false); + obj->header.writable = false; } template static inline Type *hb_object_reference (Type *obj) @@ -269,18 +272,22 @@ static inline bool hb_object_destroy (Type *obj) return false; hb_object_fini (obj); + + if (!std::is_trivially_destructible::value) + obj->~Type (); + return true; } template static inline void hb_object_fini (Type *obj) { obj->header.ref_count.fini (); /* Do this before user_data */ - hb_user_data_array_t *user_data = obj->header.user_data.get (); + hb_user_data_array_t *user_data = obj->header.user_data.get_acquire (); if (user_data) { user_data->fini (); hb_free (user_data); - user_data = nullptr; + obj->header.user_data.set_relaxed (nullptr); } } template @@ -295,7 +302,7 @@ static inline bool hb_object_set_user_data (Type *obj, assert (hb_object_is_valid (obj)); retry: - hb_user_data_array_t *user_data = obj->header.user_data.get (); + hb_user_data_array_t *user_data = obj->header.user_data.get_acquire (); if (unlikely (!user_data)) { user_data = (hb_user_data_array_t *) hb_calloc (sizeof (hb_user_data_array_t), 1); @@ -320,7 +327,7 @@ static inline void *hb_object_get_user_data (Type *obj, if (unlikely (!obj || obj->header.is_inert ())) return nullptr; assert (hb_object_is_valid (obj)); - hb_user_data_array_t *user_data = obj->header.user_data.get (); + hb_user_data_array_t *user_data = obj->header.user_data.get_acquire (); if (!user_data) return nullptr; return user_data->get (key); diff --git a/src/3rdparty/harfbuzz-ng/src/hb-open-file.hh b/src/3rdparty/harfbuzz-ng/src/hb-open-file.hh index 6eee5827c1..13570a46e0 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-open-file.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-open-file.hh @@ -90,7 +90,7 @@ typedef struct OpenTypeOffsetTable { if (table_count) { - + tables.sub_array (start_offset, table_count) + + tables.as_array ().sub_array (start_offset, table_count) | hb_map (&TableRecord::tag) | hb_sink (hb_array (table_tags, *table_count)) ; @@ -158,7 +158,7 @@ typedef struct OpenTypeOffsetTable return_trace (false); if (likely (len)) - memcpy (start, blob->data, len); + hb_memcpy (start, blob->data, len); /* 4-byte alignment. */ c->align (4); diff --git a/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh b/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh index 7e524177f6..290799127a 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-open-type.hh @@ -33,6 +33,7 @@ #include "hb-blob.hh" #include "hb-face.hh" #include "hb-machinery.hh" +#include "hb-meta.hh" #include "hb-subset.hh" @@ -104,7 +105,7 @@ struct IntType bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } protected: BEInt v; @@ -140,27 +141,27 @@ typedef HBINT32 FWORD32; /* 16-bit unsigned integer (HBUINT16) that describes a quantity in FUnits. */ typedef HBUINT16 UFWORD; -/* 16-bit signed fixed number with the low 14 bits of fraction (2.14). */ -struct F2DOT14 : HBINT16 +template +struct HBFixed : Type { - F2DOT14& operator = (uint16_t i ) { HBINT16::operator= (i); return *this; } - // 16384 means 1<<14 - float to_float () const { return ((int32_t) v) / 16384.f; } - void set_float (float f) { v = roundf (f * 16384.f); } + static constexpr float shift = (float) (1 << fraction_bits); + static_assert (Type::static_size * 8 > fraction_bits, ""); + + HBFixed& operator = (typename Type::type i ) { Type::operator= (i); return *this; } + float to_float (float offset = 0) const { return ((int32_t) Type::v + offset) / shift; } + void set_float (float f) { Type::v = roundf (f * shift); } public: - DEFINE_SIZE_STATIC (2); + DEFINE_SIZE_STATIC (Type::static_size); }; +/* 16-bit signed fixed number with the low 14 bits of fraction (2.14). */ +using F2DOT14 = HBFixed; + +/* 16-bit signed fixed number with the low 12 bits of fraction (4.12). */ +using F4DOT12 = HBFixed; + /* 32-bit signed fixed-point number (16.16). */ -struct HBFixed : HBINT32 -{ - HBFixed& operator = (uint32_t i) { HBINT32::operator= (i); return *this; } - // 65536 means 1<<16 - float to_float () const { return ((int32_t) v) / 65536.f; } - void set_float (float f) { v = roundf (f * 65536.f); } - public: - DEFINE_SIZE_STATIC (4); -}; +using F16DOT16 = HBFixed; /* Date represented in number of seconds since 12:00 midnight, January 1, * 1904. The value is represented as a signed 64-bit integer. */ @@ -169,7 +170,7 @@ struct LONGDATETIME bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } protected: HBINT32 major; @@ -195,6 +196,10 @@ struct HBGlyphID16 : HBUINT16 { HBGlyphID16& operator = (uint16_t i) { HBUINT16::operator= (i); return *this; } }; +struct HBGlyphID24 : HBUINT24 +{ + HBGlyphID24& operator = (uint32_t i) { HBUINT24::operator= (i); return *this; } +}; /* Script/language-system/feature index */ struct Index : HBUINT16 { @@ -207,6 +212,12 @@ typedef Index NameID; struct VarIdx : HBUINT32 { static constexpr unsigned NO_VARIATION = 0xFFFFFFFFu; + static_assert (NO_VARIATION == HB_OT_LAYOUT_NO_VARIATIONS_INDEX, ""); + static uint32_t add (uint32_t i, unsigned short v) + { + if (i == NO_VARIATION) return i; + return i + v; + } VarIdx& operator = (uint32_t i) { HBUINT32::operator= (i); return *this; } }; DECLARE_NULL_NAMESPACE_BYTES (OT, VarIdx); @@ -299,6 +310,10 @@ struct _hb_has_null template struct OffsetTo : Offset { + // Make sure Type is not unbounded; works only for types that are fully defined at OffsetTo time. + static_assert (has_null == false || + (hb_has_null_size (Type) || !hb_has_min_size (Type)), ""); + HB_DELETE_COPY_ASSIGN (OffsetTo); OffsetTo () = default; @@ -449,14 +464,16 @@ struct UnsizedArrayOf { unsigned int i = (unsigned int) i_; const Type *p = &arrayZ[i]; - if (unlikely (p < arrayZ)) return Null (Type); /* Overflowed. */ + if (unlikely ((const void *) p < (const void *) arrayZ)) return Null (Type); /* Overflowed. */ + _hb_compiler_memory_r_barrier (); return *p; } Type& operator [] (int i_) { unsigned int i = (unsigned int) i_; Type *p = &arrayZ[i]; - if (unlikely (p < arrayZ)) return Crap (Type); /* Overflowed. */ + if (unlikely ((const void *) p < (const void *) arrayZ)) return Crap (Type); /* Overflowed. */ + _hb_compiler_memory_r_barrier (); return *p; } @@ -485,10 +502,10 @@ struct UnsizedArrayOf void qsort (unsigned int len, unsigned int start = 0, unsigned int end = (unsigned int) -1) { as_array (len).qsort (start, end); } - bool serialize (hb_serialize_context_t *c, unsigned int items_len) + bool serialize (hb_serialize_context_t *c, unsigned int items_len, bool clear = true) { TRACE_SERIALIZE (this); - if (unlikely (!c->extend (this, items_len))) return_trace (false); + if (unlikely (!c->extend_size (this, get_size (items_len), clear))) return_trace (false); return_trace (true); } template ::value) return_trace (true); + if (!sizeof... (Ts) && hb_is_trivially_copyable(Type)) return_trace (true); for (unsigned int i = 0; i < count; i++) if (unlikely (!c->dispatch (arrayZ[i], std::forward (ds)...))) return_trace (false); @@ -549,14 +566,16 @@ struct UnsizedListOfOffset16To : UnsizedArray16OfOffsetTo *p = &this->arrayZ[i]; - if (unlikely (p < this->arrayZ)) return Null (Type); /* Overflowed. */ + if (unlikely ((const void *) p < (const void *) this->arrayZ)) return Null (Type); /* Overflowed. */ + _hb_compiler_memory_r_barrier (); return this+*p; } Type& operator [] (int i_) { unsigned int i = (unsigned int) i_; const OffsetTo *p = &this->arrayZ[i]; - if (unlikely (p < this->arrayZ)) return Crap (Type); /* Overflowed. */ + if (unlikely ((const void *) p < (const void *) this->arrayZ)) return Crap (Type); /* Overflowed. */ + _hb_compiler_memory_r_barrier (); return this+*p; } @@ -607,12 +626,14 @@ struct ArrayOf { unsigned int i = (unsigned int) i_; if (unlikely (i >= len)) return Null (Type); + _hb_compiler_memory_r_barrier (); return arrayZ[i]; } Type& operator [] (int i_) { unsigned int i = (unsigned int) i_; if (unlikely (i >= len)) return Crap (Type); + _hb_compiler_memory_r_barrier (); return arrayZ[i]; } @@ -634,14 +655,9 @@ struct ArrayOf operator iter_t () const { return iter (); } operator writer_t () { return writer (); } - hb_array_t sub_array (unsigned int start_offset, unsigned int count) const - { return as_array ().sub_array (start_offset, count); } - hb_array_t sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */) const - { return as_array ().sub_array (start_offset, count); } - hb_array_t sub_array (unsigned int start_offset, unsigned int count) - { return as_array ().sub_array (start_offset, count); } - hb_array_t sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */) - { return as_array ().sub_array (start_offset, count); } + /* Faster range-based for loop. */ + const Type *begin () const { return arrayZ; } + const Type *end () const { return arrayZ + len; } template Type &lsearch (const T &x, Type ¬_found = Crap (Type)) @@ -655,15 +671,15 @@ struct ArrayOf unsigned int to_store = (unsigned int) -1) const { return as_array ().lfind (x, i, not_found, to_store); } - void qsort (unsigned int start = 0, unsigned int end = (unsigned int) -1) - { as_array ().qsort (start, end); } + void qsort () + { as_array ().qsort (); } - HB_NODISCARD bool serialize (hb_serialize_context_t *c, unsigned items_len) + HB_NODISCARD bool serialize (hb_serialize_context_t *c, unsigned items_len, bool clear = true) { TRACE_SERIALIZE (this); if (unlikely (!c->extend_min (this))) return_trace (false); c->check_assign (len, items_len, HB_SERIALIZE_ERROR_ARRAY_OVERFLOW); - if (unlikely (!c->extend (this))) return_trace (false); + if (unlikely (!c->extend_size (this, get_size (), clear))) return_trace (false); return_trace (true); } template ::value) return_trace (true); + if (!sizeof... (Ts) && hb_is_trivially_copyable(Type)) return_trace (true); unsigned int count = len; for (unsigned int i = 0; i < count; i++) if (unlikely (!c->dispatch (arrayZ[i], std::forward (ds)...))) @@ -728,6 +744,7 @@ struct ArrayOf DEFINE_SIZE_ARRAY (sizeof (LenType), arrayZ); }; template using Array16Of = ArrayOf; +template using Array24Of = ArrayOf; template using Array32Of = ArrayOf; using PString = ArrayOf; @@ -737,26 +754,28 @@ template using Array16OfOffset32To = ArrayOf using Array32OfOffset32To = ArrayOf, HBUINT32>; /* Array of offsets relative to the beginning of the array itself. */ -template -struct List16OfOffset16To : Array16OfOffset16To +template +struct List16OfOffsetTo : ArrayOf, HBUINT16> { const Type& operator [] (int i_) const { unsigned int i = (unsigned int) i_; if (unlikely (i >= this->len)) return Null (Type); + _hb_compiler_memory_r_barrier (); return this+this->arrayZ[i]; } const Type& operator [] (int i_) { unsigned int i = (unsigned int) i_; if (unlikely (i >= this->len)) return Crap (Type); + _hb_compiler_memory_r_barrier (); return this+this->arrayZ[i]; } bool subset (hb_subset_context_t *c) const { TRACE_SUBSET (this); - struct List16OfOffset16To *out = c->serializer->embed (*this); + struct List16OfOffsetTo *out = c->serializer->embed (*this); if (unlikely (!out)) return_trace (false); unsigned int count = this->len; for (unsigned int i = 0; i < count; i++) @@ -768,10 +787,13 @@ struct List16OfOffset16To : Array16OfOffset16To bool sanitize (hb_sanitize_context_t *c, Ts&&... ds) const { TRACE_SANITIZE (this); - return_trace (Array16OfOffset16To::sanitize (c, this, std::forward (ds)...)); + return_trace ((Array16Of>::sanitize (c, this, std::forward (ds)...))); } }; +template +using List16OfOffset16To = List16OfOffsetTo; + /* An array starting at second element. */ template struct HeadlessArrayOf @@ -784,12 +806,14 @@ struct HeadlessArrayOf { unsigned int i = (unsigned int) i_; if (unlikely (i >= lenP1 || !i)) return Null (Type); + _hb_compiler_memory_r_barrier (); return arrayZ[i-1]; } Type& operator [] (int i_) { unsigned int i = (unsigned int) i_; if (unlikely (i >= lenP1 || !i)) return Crap (Type); + _hb_compiler_memory_r_barrier (); return arrayZ[i-1]; } unsigned int get_size () const @@ -808,21 +832,25 @@ struct HeadlessArrayOf operator iter_t () const { return iter (); } operator writer_t () { return writer (); } - bool serialize (hb_serialize_context_t *c, unsigned int items_len) + /* Faster range-based for loop. */ + const Type *begin () const { return arrayZ; } + const Type *end () const { return arrayZ + get_length (); } + + HB_NODISCARD bool serialize (hb_serialize_context_t *c, unsigned int items_len, bool clear = true) { TRACE_SERIALIZE (this); if (unlikely (!c->extend_min (this))) return_trace (false); c->check_assign (lenP1, items_len + 1, HB_SERIALIZE_ERROR_ARRAY_OVERFLOW); - if (unlikely (!c->extend (this))) return_trace (false); + if (unlikely (!c->extend_size (this, get_size (), clear))) return_trace (false); return_trace (true); } template - bool serialize (hb_serialize_context_t *c, Iterator items) + HB_NODISCARD bool serialize (hb_serialize_context_t *c, Iterator items) { TRACE_SERIALIZE (this); - unsigned count = items.len (); - if (unlikely (!serialize (c, count))) return_trace (false); + unsigned count = hb_len (items); + if (unlikely (!serialize (c, count, false))) return_trace (false); /* TODO Umm. Just exhaust the iterator instead? Being extra * cautious right now.. */ for (unsigned i = 0; i < count; i++, ++items) @@ -835,7 +863,7 @@ struct HeadlessArrayOf { TRACE_SANITIZE (this); if (unlikely (!sanitize_shallow (c))) return_trace (false); - if (!sizeof... (Ts) && std::is_trivially_copyable::value) return_trace (true); + if (!sizeof... (Ts) && hb_is_trivially_copyable(Type)) return_trace (true); unsigned int count = get_length (); for (unsigned int i = 0; i < count; i++) if (unlikely (!c->dispatch (arrayZ[i], std::forward (ds)...))) @@ -868,12 +896,14 @@ struct ArrayOfM1 { unsigned int i = (unsigned int) i_; if (unlikely (i > lenM1)) return Null (Type); + _hb_compiler_memory_r_barrier (); return arrayZ[i]; } Type& operator [] (int i_) { unsigned int i = (unsigned int) i_; if (unlikely (i > lenM1)) return Crap (Type); + _hb_compiler_memory_r_barrier (); return arrayZ[i]; } unsigned int get_size () const @@ -884,7 +914,7 @@ struct ArrayOfM1 { TRACE_SANITIZE (this); if (unlikely (!sanitize_shallow (c))) return_trace (false); - if (!sizeof... (Ts) && std::is_trivially_copyable::value) return_trace (true); + if (!sizeof... (Ts) && hb_is_trivially_copyable(Type)) return_trace (true); unsigned int count = lenM1 + 1; for (unsigned int i = 0; i < count; i++) if (unlikely (!c->dispatch (arrayZ[i], std::forward (ds)...))) @@ -922,14 +952,9 @@ struct SortedArrayOf : ArrayOf operator iter_t () const { return iter (); } operator writer_t () { return writer (); } - hb_sorted_array_t sub_array (unsigned int start_offset, unsigned int count) const - { return as_array ().sub_array (start_offset, count); } - hb_sorted_array_t sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */) const - { return as_array ().sub_array (start_offset, count); } - hb_sorted_array_t sub_array (unsigned int start_offset, unsigned int count) - { return as_array ().sub_array (start_offset, count); } - hb_sorted_array_t sub_array (unsigned int start_offset, unsigned int *count = nullptr /* IN/OUT */) - { return as_array ().sub_array (start_offset, count); } + /* Faster range-based for loop. */ + const Type *begin () const { return this->arrayZ; } + const Type *end () const { return this->arrayZ + this->len; } bool serialize (hb_serialize_context_t *c, unsigned int items_len) { @@ -960,6 +985,7 @@ struct SortedArrayOf : ArrayOf }; template using SortedArray16Of = SortedArrayOf; +template using SortedArray24Of = SortedArrayOf; template using SortedArray32Of = SortedArrayOf; /* @@ -1052,12 +1078,14 @@ struct VarSizedBinSearchArrayOf { unsigned int i = (unsigned int) i_; if (unlikely (i >= get_length ())) return Null (Type); + _hb_compiler_memory_r_barrier (); return StructAtOffset (&bytesZ, i * header.unitSize); } Type& operator [] (int i_) { unsigned int i = (unsigned int) i_; if (unlikely (i >= get_length ())) return Crap (Type); + _hb_compiler_memory_r_barrier (); return StructAtOffset (&bytesZ, i * header.unitSize); } unsigned int get_length () const @@ -1070,7 +1098,7 @@ struct VarSizedBinSearchArrayOf { TRACE_SANITIZE (this); if (unlikely (!sanitize_shallow (c))) return_trace (false); - if (!sizeof... (Ts) && std::is_trivially_copyable::value) return_trace (true); + if (!sizeof... (Ts) && hb_is_trivially_copyable(Type)) return_trace (true); unsigned int count = get_length (); for (unsigned int i = 0; i < count; i++) if (unlikely (!(*this)[i].sanitize (c, std::forward (ds)...))) diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff-common.hh index c102c15173..f22824fc69 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff-common.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff-common.hh @@ -46,161 +46,45 @@ template static inline const Type& StructAtOffsetOrNull (const void *P, unsigned int offset) { return offset ? StructAtOffset (P, offset) : Null (Type); } -inline unsigned int calcOffSize (unsigned int dataSize) -{ - unsigned int size = 1; - unsigned int offset = dataSize + 1; - while (offset & ~0xFF) - { - size++; - offset >>= 8; - } - /* format does not support size > 4; caller should handle it as an error */ - return size; -} - struct code_pair_t { hb_codepoint_t code; hb_codepoint_t glyph; }; -typedef hb_vector_t str_buff_t; -struct str_buff_vec_t : hb_vector_t -{ - unsigned int total_size () const - { - unsigned int size = 0; - for (unsigned int i = 0; i < length; i++) - size += (*this)[i].length; - return size; - } - - private: - typedef hb_vector_t SUPER; -}; +using str_buff_t = hb_vector_t; +using str_buff_vec_t = hb_vector_t; /* CFF INDEX */ template struct CFFIndex { - static unsigned int calculate_offset_array_size (unsigned int offSize, unsigned int count) - { return offSize * (count + 1); } - unsigned int offset_array_size () const - { return calculate_offset_array_size (offSize, count); } + { return offSize * (count + 1); } CFFIndex *copy (hb_serialize_context_t *c) const { TRACE_SERIALIZE (this); unsigned int size = get_size (); - CFFIndex *out = c->allocate_size (size); + CFFIndex *out = c->allocate_size (size, false); if (likely (out)) - memcpy (out, this, size); + hb_memcpy (out, this, size); return_trace (out); } - bool serialize (hb_serialize_context_t *c, const CFFIndex &src) + template + bool serialize (hb_serialize_context_t *c, + const Iterable &iterable) { TRACE_SERIALIZE (this); - unsigned int size = src.get_size (); - CFFIndex *dest = c->allocate_size (size); - if (unlikely (!dest)) return_trace (false); - memcpy (dest, &src, size); + auto it = hb_iter (iterable); + serialize_header(c, + it | hb_map (hb_iter) | hb_map (hb_len)); + for (const auto &_ : +it) + hb_iter (_).copy (c); return_trace (true); } - bool serialize (hb_serialize_context_t *c, - unsigned int offSize_, - const byte_str_array_t &byteArray) - { - TRACE_SERIALIZE (this); - if (byteArray.length == 0) - { - COUNT *dest = c->allocate_min (); - if (unlikely (!dest)) return_trace (false); - *dest = 0; - } - else - { - /* serialize CFFIndex header */ - if (unlikely (!c->extend_min (this))) return_trace (false); - this->count = byteArray.length; - this->offSize = offSize_; - if (unlikely (!c->allocate_size (offSize_ * (byteArray.length + 1)))) - return_trace (false); - - /* serialize indices */ - unsigned int offset = 1; - unsigned int i = 0; - for (; i < byteArray.length; i++) - { - set_offset_at (i, offset); - offset += byteArray[i].get_size (); - } - set_offset_at (i, offset); - - /* serialize data */ - for (unsigned int i = 0; i < byteArray.length; i++) - { - const byte_str_t &bs = byteArray[i]; - unsigned char *dest = c->allocate_size (bs.length); - if (unlikely (!dest)) return_trace (false); - memcpy (dest, &bs[0], bs.length); - } - } - return_trace (true); - } - - bool serialize (hb_serialize_context_t *c, - unsigned int offSize_, - const str_buff_vec_t &buffArray) - { - byte_str_array_t byteArray; - byteArray.init (); - byteArray.resize (buffArray.length); - for (unsigned int i = 0; i < byteArray.length; i++) - byteArray[i] = byte_str_t (buffArray[i].arrayZ, buffArray[i].length); - bool result = this->serialize (c, offSize_, byteArray); - byteArray.fini (); - return result; - } - - template - bool serialize (hb_serialize_context_t *c, - Iterator it) - { - TRACE_SERIALIZE (this); - if (it.len () == 0) - { - COUNT *dest = c->allocate_min (); - if (unlikely (!dest)) return_trace (false); - *dest = 0; - } - else - { - serialize_header(c, + it | hb_map ([] (const byte_str_t &_) { return _.length; })); - for (const auto &_ : +it) - _.copy (c); - } - return_trace (true); - } - - bool serialize (hb_serialize_context_t *c, - const byte_str_array_t &byteArray) - { return serialize (c, + hb_iter (byteArray)); } - - bool serialize (hb_serialize_context_t *c, - const str_buff_vec_t &buffArray) - { - auto it = - + hb_iter (buffArray) - | hb_map ([] (const str_buff_t &_) { return byte_str_t (_.arrayZ, _.length); }) - ; - return serialize (c, it); - } - template bool serialize_header (hb_serialize_context_t *c, @@ -209,13 +93,15 @@ struct CFFIndex TRACE_SERIALIZE (this); unsigned total = + it | hb_reduce (hb_add, 0); - unsigned off_size = calcOffSize (total); + unsigned off_size = (hb_bit_storage (total + 1) + 7) / 8; /* serialize CFFIndex header */ if (unlikely (!c->extend_min (this))) return_trace (false); this->count = it.len (); + if (!this->count) return_trace (true); + if (unlikely (!c->extend (this->offSize))) return_trace (false); this->offSize = off_size; - if (unlikely (!c->allocate_size (off_size * (it.len () + 1)))) + if (unlikely (!c->allocate_size (off_size * (this->count + 1), false))) return_trace (false); /* serialize indices */ @@ -223,16 +109,30 @@ struct CFFIndex unsigned int i = 0; for (unsigned _ : +it) { - CFFIndex::set_offset_at (i++, offset); + set_offset_at (i++, offset); offset += _; } - CFFIndex::set_offset_at (i, offset); + set_offset_at (i, offset); return_trace (true); } + template + static unsigned total_size (const Iterable &iterable) + { + auto it = + hb_iter (iterable) | hb_map (hb_iter) | hb_map (hb_len); + if (!it) return 0; + + unsigned total = + it | hb_reduce (hb_add, 0); + unsigned off_size = (hb_bit_storage (total + 1) + 7) / 8; + + return min_size + HBUINT8::static_size + (hb_len (it) + 1) * off_size + total; + } + void set_offset_at (unsigned int index, unsigned int offset) { + assert (index <= count); HBUINT8 *p = offsets + offSize * index + offSize; unsigned int size = offSize; for (; size; size--) @@ -243,85 +143,77 @@ struct CFFIndex } } + private: unsigned int offset_at (unsigned int index) const { assert (index <= count); - const HBUINT8 *p = offsets + offSize * index; + unsigned int size = offSize; - unsigned int offset = 0; - for (; size; size--) - offset = (offset << 8) + *p++; - return offset; + const HBUINT8 *p = offsets + size * index; + switch (size) + { + case 1: return * (HBUINT8 *) p; + case 2: return * (HBUINT16 *) p; + case 3: return * (HBUINT24 *) p; + case 4: return * (HBUINT32 *) p; + default: return 0; + } } unsigned int length_at (unsigned int index) const { - if (unlikely ((offset_at (index + 1) < offset_at (index)) || - (offset_at (index + 1) > offset_at (count)))) + unsigned offset0 = offset_at (index); + unsigned offset1 = offset_at (index + 1); + if (unlikely (offset1 < offset0 || offset1 > offset_at (count))) return 0; - return offset_at (index + 1) - offset_at (index); + return offset1 - offset0; } const unsigned char *data_base () const - { return (const unsigned char *) this + min_size + offset_array_size (); } + { return (const unsigned char *) this + min_size + offSize.static_size + offset_array_size (); } + public: - unsigned int data_size () const { return HBINT8::static_size; } - - byte_str_t operator [] (unsigned int index) const + hb_ubytes_t operator [] (unsigned int index) const { - if (unlikely (index >= count)) return Null (byte_str_t); - return byte_str_t (data_base () + offset_at (index) - 1, length_at (index)); + if (unlikely (index >= count)) return hb_ubytes_t (); + _hb_compiler_memory_r_barrier (); + unsigned length = length_at (index); + if (unlikely (!length)) return hb_ubytes_t (); + return hb_ubytes_t (data_base () + offset_at (index) - 1, length); } unsigned int get_size () const { - if (this == &Null (CFFIndex)) return 0; - if (count > 0) - return min_size + offset_array_size () + (offset_at (count) - 1); - return count.static_size; /* empty CFFIndex contains count only */ + if (count) + return min_size + offSize.static_size + offset_array_size () + (offset_at (count) - 1); + return min_size; /* empty CFFIndex contains count only */ } bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely ((c->check_struct (this) && count == 0) || /* empty INDEX */ - (c->check_struct (this) && offSize >= 1 && offSize <= 4 && - c->check_array (offsets, offSize, count + 1) && - c->check_array ((const HBUINT8*) data_base (), 1, max_offset () - 1)))); - } - - protected: - unsigned int max_offset () const - { - unsigned int max = 0; - for (unsigned int i = 0; i < count + 1u; i++) - { - unsigned int off = offset_at (i); - if (off > max) max = off; - } - return max; + return_trace (likely (c->check_struct (this) && + (count == 0 || /* empty INDEX */ + (count < count + 1u && + c->check_struct (&offSize) && offSize >= 1 && offSize <= 4 && + c->check_array (offsets, offSize, count + 1u) && + c->check_array ((const HBUINT8*) data_base (), 1, offset_at (count) - 1))))); } public: COUNT count; /* Number of object data. Note there are (count+1) offsets */ + private: HBUINT8 offSize; /* The byte size of each offset in the offsets array. */ HBUINT8 offsets[HB_VAR_ARRAY]; /* The array of (count + 1) offsets into objects array (1-base). */ /* HBUINT8 data[HB_VAR_ARRAY]; Object data */ public: - DEFINE_SIZE_ARRAY (COUNT::static_size + HBUINT8::static_size, offsets); + DEFINE_SIZE_MIN (COUNT::static_size); }; template struct CFFIndexOf : CFFIndex { - const byte_str_t operator [] (unsigned int index) const - { - if (likely (index < CFFIndex::count)) - return byte_str_t (CFFIndex::data_base () + CFFIndex::offset_at (index) - 1, CFFIndex::length_at (index)); - return Null (byte_str_t); - } - template bool serialize (hb_serialize_context_t *c, unsigned int offSize_, @@ -336,7 +228,7 @@ struct CFFIndexOf : CFFIndex if (unlikely (!c->extend_min (this))) return_trace (false); this->count = dataArrayLen; this->offSize = offSize_; - if (unlikely (!c->allocate_size (offSize_ * (dataArrayLen + 1)))) + if (unlikely (!c->allocate_size (offSize_ * (dataArrayLen + 1), false))) return_trace (false); /* serialize indices */ @@ -344,10 +236,10 @@ struct CFFIndexOf : CFFIndex unsigned int i = 0; for (; i < dataArrayLen; i++) { - CFFIndex::set_offset_at (i, offset); + this->set_offset_at (i, offset); offset += dataSizeArray[i]; } - CFFIndex::set_offset_at (i, offset); + this->set_offset_at (i, offset); /* serialize data */ for (unsigned int i = 0; i < dataArrayLen; i++) @@ -380,13 +272,12 @@ struct Dict : UnsizedByteStr template static bool serialize_int_op (hb_serialize_context_t *c, op_code_t op, V value, op_code_t intOp) { - // XXX: not sure why but LLVM fails to compile the following 'unlikely' macro invocation - if (/*unlikely*/ (!serialize_int (c, intOp, value))) + if (unlikely ((!serialize_int (c, intOp, value)))) return false; TRACE_SERIALIZE (this); /* serialize the opcode */ - HBUINT8 *p = c->allocate_size (OpCode_Size (op)); + HBUINT8 *p = c->allocate_size (OpCode_Size (op), false); if (unlikely (!p)) return_trace (false); if (Is_OpCode_ESC (op)) { @@ -471,9 +362,8 @@ struct FDSelect0 { TRACE_SANITIZE (this); if (unlikely (!(c->check_struct (this)))) return_trace (false); - for (unsigned int i = 0; i < c->get_num_glyphs (); i++) - if (unlikely (!fds[i].sanitize (c))) - return_trace (false); + if (unlikely (!c->check_array (fds, c->get_num_glyphs ()))) + return_trace (false); return_trace (true); } @@ -527,14 +417,20 @@ struct FDSelect3_4 return_trace (true); } + static int _cmp_range (const void *_key, const void *_item) + { + hb_codepoint_t glyph = * (hb_codepoint_t *) _key; + FDSelect3_4_Range *range = (FDSelect3_4_Range *) _item; + + if (glyph < range[0].first) return -1; + if (glyph < range[1].first) return 0; + return +1; + } + hb_codepoint_t get_fd (hb_codepoint_t glyph) const { - unsigned int i; - for (i = 1; i < nRanges (); i++) - if (glyph < ranges[i].first) - break; - - return (hb_codepoint_t) ranges[i - 1].fd; + auto *range = hb_bsearch (glyph, &ranges[0], nRanges () - 1, sizeof (ranges[0]), _cmp_range); + return range ? range->fd : ranges[nRanges () - 1].fd; } GID_TYPE &nRanges () { return ranges.len; } @@ -557,9 +453,9 @@ struct FDSelect { TRACE_SERIALIZE (this); unsigned int size = src.get_size (num_glyphs); - FDSelect *dest = c->allocate_size (size); + FDSelect *dest = c->allocate_size (size, false); if (unlikely (!dest)) return_trace (false); - memcpy (dest, &src, size); + hb_memcpy (dest, &src, size); return_trace (true); } diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc index df4554ac00..bd9fe5d6d4 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.cc @@ -311,10 +311,8 @@ struct bounds_t struct cff1_extents_param_t { - void init (const OT::cff1::accelerator_t *_cff) + cff1_extents_param_t (const OT::cff1::accelerator_t *_cff) : cff (_cff) { - path_open = false; - cff = _cff; bounds.init (); } @@ -322,7 +320,7 @@ struct cff1_extents_param_t void end_path () { path_open = false; } bool is_path_open () const { return path_open; } - bool path_open; + bool path_open = false; bounds_t bounds; const OT::cff1::accelerator_t *cff; @@ -395,12 +393,11 @@ bool _get_bounds (const OT::cff1::accelerator_t *cff, hb_codepoint_t glyph, boun if (unlikely (!cff->is_valid () || (glyph >= cff->num_glyphs))) return false; unsigned int fd = cff->fdSelect->get_fd (glyph); - cff1_cs_interpreter_t interp; - const byte_str_t str = (*cff->charStrings)[glyph]; - interp.env.init (str, *cff, fd); - interp.env.set_in_seac (in_seac); - cff1_extents_param_t param; - param.init (cff); + const hb_ubytes_t str = (*cff->charStrings)[glyph]; + cff1_cs_interp_env_t env (str, *cff, fd); + env.set_in_seac (in_seac); + cff1_cs_interpreter_t interp (env); + cff1_extents_param_t param (cff); if (unlikely (!interp.interpret (param))) return false; bounds = param.bounds; return true; @@ -541,10 +538,10 @@ bool _get_path (const OT::cff1::accelerator_t *cff, hb_font_t *font, hb_codepoin if (unlikely (!cff->is_valid () || (glyph >= cff->num_glyphs))) return false; unsigned int fd = cff->fdSelect->get_fd (glyph); - cff1_cs_interpreter_t interp; - const byte_str_t str = (*cff->charStrings)[glyph]; - interp.env.init (str, *cff, fd); - interp.env.set_in_seac (in_seac); + const hb_ubytes_t str = (*cff->charStrings)[glyph]; + cff1_cs_interp_env_t env (str, *cff, fd); + env.set_in_seac (in_seac); + cff1_cs_interpreter_t interp (env); cff1_path_param_t param (cff, font, draw_session, delta); if (unlikely (!interp.interpret (param))) return false; @@ -566,18 +563,13 @@ bool OT::cff1::accelerator_t::get_path (hb_font_t *font, hb_codepoint_t glyph, h struct get_seac_param_t { - void init (const OT::cff1::accelerator_t *_cff) - { - cff = _cff; - base = 0; - accent = 0; - } + get_seac_param_t (const OT::cff1::accelerator_t *_cff) : cff (_cff) {} bool has_seac () const { return base && accent; } const OT::cff1::accelerator_t *cff; - hb_codepoint_t base; - hb_codepoint_t accent; + hb_codepoint_t base = 0; + hb_codepoint_t accent = 0; }; struct cff1_cs_opset_seac_t : cff1_cs_opset_t @@ -598,11 +590,10 @@ bool OT::cff1::accelerator_t::get_seac_components (hb_codepoint_t glyph, hb_code if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false; unsigned int fd = fdSelect->get_fd (glyph); - cff1_cs_interpreter_t interp; - const byte_str_t str = (*charStrings)[glyph]; - interp.env.init (str, *this, fd); - get_seac_param_t param; - param.init (this); + const hb_ubytes_t str = (*charStrings)[glyph]; + cff1_cs_interp_env_t env (str, *this, fd); + cff1_cs_interpreter_t interp (env); + get_seac_param_t param (this); if (unlikely (!interp.interpret (param))) return false; if (param.has_seac ()) diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.hh index 542e3f4de3..bb856c9ddb 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff1-table.hh @@ -175,7 +175,7 @@ struct Encoding unsigned int size = src.get_size (); Encoding *dest = c->allocate_size (size); if (unlikely (!dest)) return_trace (false); - memcpy (dest, &src, size); + hb_memcpy (dest, &src, size); return_trace (true); } @@ -318,14 +318,21 @@ struct Charset0 { return_trace (c->check_struct (this) && sids[num_glyphs - 1].sanitize (c)); } - hb_codepoint_t get_sid (hb_codepoint_t glyph) const + hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned num_glyphs) const { + if (unlikely (glyph >= num_glyphs)) return 0; if (glyph == 0) return 0; else return sids[glyph - 1]; } + void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const + { + for (hb_codepoint_t gid = 1; gid < num_glyphs; gid++) + mapping->set (gid, sids[gid - 1]); + } + hb_codepoint_t get_glyph (hb_codepoint_t sid, unsigned int num_glyphs) const { if (sid == 0) @@ -381,20 +388,38 @@ struct Charset1_2 { return_trace (true); } - hb_codepoint_t get_sid (hb_codepoint_t glyph) const + hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned num_glyphs) const { + if (unlikely (glyph >= num_glyphs)) return 0; if (glyph == 0) return 0; glyph--; for (unsigned int i = 0;; i++) { if (glyph <= ranges[i].nLeft) - return (hb_codepoint_t)ranges[i].first + glyph; + return (hb_codepoint_t) ranges[i].first + glyph; glyph -= (ranges[i].nLeft + 1); } return 0; } + void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const + { + hb_codepoint_t gid = 1; + if (gid >= num_glyphs) + return; + for (unsigned i = 0;; i++) + { + hb_codepoint_t sid = ranges[i].first; + unsigned count = ranges[i].nLeft + 1; + for (unsigned j = 0; j < count; j++) + mapping->set (gid++, sid++); + + if (gid >= num_glyphs) + break; + } + } + hb_codepoint_t get_glyph (hb_codepoint_t sid, unsigned int num_glyphs) const { if (sid == 0) return 0; @@ -446,7 +471,7 @@ struct Charset unsigned int size = src.get_size (num_glyphs); Charset *dest = c->allocate_size (size); if (unlikely (!dest)) return_trace (false); - memcpy (dest, &src, size); + hb_memcpy (dest, &src, size); return_trace (true); } @@ -521,16 +546,26 @@ struct Charset hb_codepoint_t get_sid (hb_codepoint_t glyph, unsigned int num_glyphs) const { - if (unlikely (glyph >= num_glyphs)) return 0; switch (format) { - case 0: return u.format0.get_sid (glyph); - case 1: return u.format1.get_sid (glyph); - case 2: return u.format2.get_sid (glyph); + case 0: return u.format0.get_sid (glyph, num_glyphs); + case 1: return u.format1.get_sid (glyph, num_glyphs); + case 2: return u.format2.get_sid (glyph, num_glyphs); default:return 0; } } + void collect_glyph_to_sid_map (hb_map_t *mapping, unsigned int num_glyphs) const + { + switch (format) + { + case 0: u.format0.collect_glyph_to_sid_map (mapping, num_glyphs); return; + case 1: u.format1.collect_glyph_to_sid_map (mapping, num_glyphs); return; + case 2: u.format2.collect_glyph_to_sid_map (mapping, num_glyphs); return; + default:return; + } + } + hb_codepoint_t get_glyph (hb_codepoint_t sid, unsigned int num_glyphs) const { switch (format) @@ -582,7 +617,6 @@ struct CFF1StringIndex : CFF1Index } byte_str_array_t bytesArray; - bytesArray.init (); if (!bytesArray.resize (sidmap.get_population ())) return_trace (false); for (unsigned int i = 0; i < strings.count; i++) @@ -593,7 +627,6 @@ struct CFF1StringIndex : CFF1Index } bool result = CFF1Index::serialize (c, bytesArray); - bytesArray.fini (); return_trace (result); } }; @@ -602,6 +635,8 @@ struct cff1_top_dict_interp_env_t : num_interp_env_t { cff1_top_dict_interp_env_t () : num_interp_env_t(), prev_offset(0), last_offset(0) {} + cff1_top_dict_interp_env_t (const hb_ubytes_t &bytes) + : num_interp_env_t(bytes), prev_offset(0), last_offset(0) {} unsigned int prev_offset; unsigned int last_offset; @@ -776,7 +811,7 @@ struct cff1_top_dict_opset_t : top_dict_opset_t break; default: - env.last_offset = env.str_ref.offset; + env.last_offset = env.str_ref.get_offset (); top_dict_opset_t::process_op (op, env, dictval); /* Record this operand below if stack is empty, otherwise done */ if (!env.argStack.is_empty ()) return; @@ -1024,11 +1059,10 @@ struct cff1 { fini (); return; } { /* parse top dict */ - const byte_str_t topDictStr = (*topDictIndex)[0]; + const hb_ubytes_t topDictStr = (*topDictIndex)[0]; if (unlikely (!topDictStr.sanitize (&sc))) { fini (); return; } - cff1_top_dict_interpreter_t top_interp; - top_interp.env.init (topDictStr); - topDict.init (); + cff1_top_dict_interp_env_t env (topDictStr); + cff1_top_dict_interpreter_t top_interp (env); if (unlikely (!top_interp.interpret (topDict))) { fini (); return; } } @@ -1098,20 +1132,21 @@ struct cff1 { for (unsigned int i = 0; i < fdCount; i++) { - byte_str_t fontDictStr = (*fdArray)[i]; + hb_ubytes_t fontDictStr = (*fdArray)[i]; if (unlikely (!fontDictStr.sanitize (&sc))) { fini (); return; } cff1_font_dict_values_t *font; - cff1_font_dict_interpreter_t font_interp; - font_interp.env.init (fontDictStr); + cff1_top_dict_interp_env_t env (fontDictStr); + cff1_font_dict_interpreter_t font_interp (env); font = fontDicts.push (); - if (unlikely (font == &Crap (cff1_font_dict_values_t))) { fini (); return; } + if (unlikely (fontDicts.in_error ())) { fini (); return; } + font->init (); if (unlikely (!font_interp.interpret (*font))) { fini (); return; } PRIVDICTVAL *priv = &privateDicts[i]; - const byte_str_t privDictStr (StructAtOffset (cff, font->privateDictInfo.offset), font->privateDictInfo.size); + const hb_ubytes_t privDictStr = StructAtOffset (cff, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size); if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; } - dict_interpreter_t priv_interp; - priv_interp.env.init (privDictStr); + num_interp_env_t env2 (privDictStr); + dict_interpreter_t priv_interp (env2); priv->init (); if (unlikely (!priv_interp.interpret (*priv))) { fini (); return; } @@ -1126,10 +1161,10 @@ struct cff1 cff1_top_dict_values_t *font = &topDict; PRIVDICTVAL *priv = &privateDicts[0]; - const byte_str_t privDictStr (StructAtOffset (cff, font->privateDictInfo.offset), font->privateDictInfo.size); + const hb_ubytes_t privDictStr = StructAtOffset (cff, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size); if (unlikely (!privDictStr.sanitize (&sc))) { fini (); return; } - dict_interpreter_t priv_interp; - priv_interp.env.init (privDictStr); + num_interp_env_t env (privDictStr); + dict_interpreter_t priv_interp (env); priv->init (); if (unlikely (!priv_interp.interpret (*priv))) { fini (); return; } @@ -1194,6 +1229,19 @@ struct cff1 } } + hb_map_t *create_glyph_to_sid_map () const + { + if (charset != &Null (Charset)) + { + hb_map_t *mapping = hb_map_create (); + mapping->set (0, 0); + charset->collect_glyph_to_sid_map (mapping, num_glyphs); + return mapping; + } + else + return nullptr; + } + hb_codepoint_t glyph_to_sid (hb_codepoint_t glyph) const { if (charset != &Null (Charset)) @@ -1245,10 +1293,10 @@ struct cff1 } protected: - hb_blob_t *blob = nullptr; hb_sanitize_context_t sc; public: + hb_blob_t *blob = nullptr; const Encoding *encoding = nullptr; const Charset *charset = nullptr; const CFF1NameIndex *nameIndex = nullptr; @@ -1274,30 +1322,20 @@ struct cff1 { SUPER::init (face); + glyph_names.set_relaxed (nullptr); + if (!is_valid ()) return; if (is_CID ()) return; - /* fill glyph_names */ - for (hb_codepoint_t gid = 0; gid < num_glyphs; gid++) - { - hb_codepoint_t sid = glyph_to_sid (gid); - gname_t gname; - gname.sid = sid; - if (sid < cff1_std_strings_length) - gname.name = cff1_std_strings (sid); - else - { - byte_str_t ustr = (*stringIndex)[sid - cff1_std_strings_length]; - gname.name = hb_bytes_t ((const char*)ustr.arrayZ, ustr.length); - } - if (unlikely (!gname.name.arrayZ)) { fini (); return; } - glyph_names.push (gname); - } - glyph_names.qsort (); } ~accelerator_t () { - glyph_names.fini (); + hb_sorted_vector_t *names = glyph_names.get_relaxed (); + if (names) + { + names->fini (); + hb_free (names); + } SUPER::fini (); } @@ -1305,9 +1343,9 @@ struct cff1 bool get_glyph_name (hb_codepoint_t glyph, char *buf, unsigned int buf_len) const { - if (!buf) return true; if (unlikely (!is_valid ())) return false; if (is_CID()) return false; + if (unlikely (!buf_len)) return true; hb_codepoint_t sid = glyph_to_sid (glyph); const char *str; size_t str_len; @@ -1319,7 +1357,7 @@ struct cff1 } else { - byte_str_t ubyte_str = (*stringIndex)[sid - cff1_std_strings_length]; + hb_ubytes_t ubyte_str = (*stringIndex)[sid - cff1_std_strings_length]; str = (const char *)ubyte_str.arrayZ; str_len = ubyte_str.length; } @@ -1333,11 +1371,53 @@ struct cff1 bool get_glyph_from_name (const char *name, int len, hb_codepoint_t *glyph) const { + if (unlikely (!is_valid ())) return false; + if (is_CID()) return false; if (len < 0) len = strlen (name); if (unlikely (!len)) return false; + retry: + hb_sorted_vector_t *names = glyph_names.get_acquire (); + if (unlikely (!names)) + { + names = (hb_sorted_vector_t *) hb_calloc (sizeof (hb_sorted_vector_t), 1); + if (likely (names)) + { + names->init (); + /* TODO */ + + /* fill glyph names */ + for (hb_codepoint_t gid = 0; gid < num_glyphs; gid++) + { + hb_codepoint_t sid = glyph_to_sid (gid); + gname_t gname; + gname.sid = sid; + if (sid < cff1_std_strings_length) + gname.name = cff1_std_strings (sid); + else + { + hb_ubytes_t ustr = (*stringIndex)[sid - cff1_std_strings_length]; + gname.name = hb_bytes_t ((const char*) ustr.arrayZ, ustr.length); + } + if (unlikely (!gname.name.arrayZ)) + gname.name = hb_bytes_t ("", 0); /* To avoid nullptr. */ + names->push (gname); + } + names->qsort (); + } + if (unlikely (!glyph_names.cmpexch (nullptr, names))) + { + if (names) + { + names->fini (); + hb_free (names); + } + goto retry; + } + } + gname_t key = { hb_bytes_t (name, len), 0 }; - const gname_t *gname = glyph_names.bsearch (key); + const gname_t *gname = names ? names->bsearch (key) : nullptr; if (!gname) return false; hb_codepoint_t gid = sid_to_glyph (gname->sid); if (!gid && gname->sid) return false; @@ -1359,7 +1439,7 @@ struct cff1 { const gname_t *a = (const gname_t *)a_; const gname_t *b = (const gname_t *)b_; - int minlen = hb_min (a->name.length, b->name.length); + unsigned minlen = hb_min (a->name.length, b->name.length); int ret = strncmp (a->name.arrayZ, b->name.arrayZ, minlen); if (ret) return ret; return a->name.length - b->name.length; @@ -1368,7 +1448,7 @@ struct cff1 int cmp (const gname_t &a) const { return cmp (&a, this); } }; - hb_sorted_vector_t glyph_names; + mutable hb_atomic_ptr_t> glyph_names; typedef accelerator_templ_t SUPER; }; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.cc index 817fe064ce..50c76daf93 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.cc @@ -36,9 +36,8 @@ using namespace CFF; struct cff2_extents_param_t { - void init () + cff2_extents_param_t () { - path_open = false; min_x.set_int (INT_MAX); min_y.set_int (INT_MAX); max_x.set_int (INT_MIN); @@ -57,22 +56,22 @@ struct cff2_extents_param_t if (pt.y > max_y) max_y = pt.y; } - bool path_open; + bool path_open = false; number_t min_x; number_t min_y; number_t max_x; number_t max_y; }; -struct cff2_path_procs_extents_t : path_procs_t +struct cff2_path_procs_extents_t : path_procs_t, cff2_extents_param_t> { - static void moveto (cff2_cs_interp_env_t &env, cff2_extents_param_t& param, const point_t &pt) + static void moveto (cff2_cs_interp_env_t &env, cff2_extents_param_t& param, const point_t &pt) { param.end_path (); env.moveto (pt); } - static void line (cff2_cs_interp_env_t &env, cff2_extents_param_t& param, const point_t &pt1) + static void line (cff2_cs_interp_env_t &env, cff2_extents_param_t& param, const point_t &pt1) { if (!param.is_path_open ()) { @@ -83,7 +82,7 @@ struct cff2_path_procs_extents_t : path_procs_t &env, cff2_extents_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3) { if (!param.is_path_open ()) { @@ -98,7 +97,7 @@ struct cff2_path_procs_extents_t : path_procs_t {}; +struct cff2_cs_opset_extents_t : cff2_cs_opset_t {}; bool OT::cff2::accelerator_t::get_extents (hb_font_t *font, hb_codepoint_t glyph, @@ -112,11 +111,10 @@ bool OT::cff2::accelerator_t::get_extents (hb_font_t *font, if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false; unsigned int fd = fdSelect->get_fd (glyph); - cff2_cs_interpreter_t interp; - const byte_str_t str = (*charStrings)[glyph]; - interp.env.init (str, *this, fd, font->coords, font->num_coords); + const hb_ubytes_t str = (*charStrings)[glyph]; + cff2_cs_interp_env_t env (str, *this, fd, font->coords, font->num_coords); + cff2_cs_interpreter_t interp (env); cff2_extents_param_t param; - param.init (); if (unlikely (!interp.interpret (param))) return false; if (param.min_x >= param.max_x) @@ -169,28 +167,28 @@ struct cff2_path_param_t hb_font_t *font; }; -struct cff2_path_procs_path_t : path_procs_t +struct cff2_path_procs_path_t : path_procs_t, cff2_path_param_t> { - static void moveto (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt) + static void moveto (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt) { param.move_to (pt); env.moveto (pt); } - static void line (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt1) + static void line (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt1) { param.line_to (pt1); env.moveto (pt1); } - static void curve (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3) + static void curve (cff2_cs_interp_env_t &env, cff2_path_param_t& param, const point_t &pt1, const point_t &pt2, const point_t &pt3) { param.cubic_to (pt1, pt2, pt3); env.moveto (pt3); } }; -struct cff2_cs_opset_path_t : cff2_cs_opset_t {}; +struct cff2_cs_opset_path_t : cff2_cs_opset_t {}; bool OT::cff2::accelerator_t::get_path (hb_font_t *font, hb_codepoint_t glyph, hb_draw_session_t &draw_session) const { @@ -202,9 +200,9 @@ bool OT::cff2::accelerator_t::get_path (hb_font_t *font, hb_codepoint_t glyph, h if (unlikely (!is_valid () || (glyph >= num_glyphs))) return false; unsigned int fd = fdSelect->get_fd (glyph); - cff2_cs_interpreter_t interp; - const byte_str_t str = (*charStrings)[glyph]; - interp.env.init (str, *this, fd, font->coords, font->num_coords); + const hb_ubytes_t str = (*charStrings)[glyph]; + cff2_cs_interp_env_t env (str, *this, fd, font->coords, font->num_coords); + cff2_cs_interpreter_t interp (env); cff2_path_param_t param (font, draw_session); if (unlikely (!interp.interpret (param))) return false; return true; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh index b77e7f53fa..9081930bbe 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cff2-table.hh @@ -56,7 +56,7 @@ struct CFF2FDSelect unsigned int size = src.get_size (num_glyphs); CFF2FDSelect *dest = c->allocate_size (size); if (unlikely (!dest)) return_trace (false); - memcpy (dest, &src, size); + hb_memcpy (dest, &src, size); return_trace (true); } @@ -124,7 +124,7 @@ struct CFF2VariationStore unsigned int size_ = varStore->get_size (); CFF2VariationStore *dest = c->allocate_size (size_); if (unlikely (!dest)) return_trace (false); - memcpy (dest, varStore, size_); + hb_memcpy (dest, varStore, size_); return_trace (true); } @@ -247,12 +247,8 @@ typedef cff2_private_dict_values_base_t cff2_private_dict_values struct cff2_priv_dict_interp_env_t : num_interp_env_t { - void init (const byte_str_t &str) - { - num_interp_env_t::init (str); - ivs = 0; - seen_vsindex = false; - } + cff2_priv_dict_interp_env_t (const hb_ubytes_t &str) : + num_interp_env_t (str) {} void process_vsindex () { @@ -267,8 +263,8 @@ struct cff2_priv_dict_interp_env_t : num_interp_env_t void set_ivs (unsigned int ivs_) { ivs = ivs_; } protected: - unsigned int ivs; - bool seen_vsindex; + unsigned int ivs = 0; + bool seen_vsindex = false; }; struct cff2_private_dict_opset_t : dict_opset_t @@ -415,10 +411,10 @@ struct cff2 goto fail; { /* parse top dict */ - byte_str_t topDictStr (cff2 + cff2->topDict, cff2->topDictSize); + hb_ubytes_t topDictStr = (cff2 + cff2->topDict).as_ubytes (cff2->topDictSize); if (unlikely (!topDictStr.sanitize (&sc))) goto fail; - cff2_top_dict_interpreter_t top_interp; - top_interp.env.init (topDictStr); + num_interp_env_t env (topDictStr); + cff2_top_dict_interpreter_t top_interp (env); topDict.init (); if (unlikely (!top_interp.interpret (topDict))) goto fail; } @@ -447,20 +443,20 @@ struct cff2 /* parse font dicts and gather private dicts */ for (unsigned int i = 0; i < fdCount; i++) { - const byte_str_t fontDictStr = (*fdArray)[i]; + const hb_ubytes_t fontDictStr = (*fdArray)[i]; if (unlikely (!fontDictStr.sanitize (&sc))) goto fail; cff2_font_dict_values_t *font; - cff2_font_dict_interpreter_t font_interp; - font_interp.env.init (fontDictStr); + num_interp_env_t env (fontDictStr); + cff2_font_dict_interpreter_t font_interp (env); font = fontDicts.push (); if (unlikely (font == &Crap (cff2_font_dict_values_t))) goto fail; font->init (); if (unlikely (!font_interp.interpret (*font))) goto fail; - const byte_str_t privDictStr (StructAtOffsetOrNull (cff2, font->privateDictInfo.offset), font->privateDictInfo.size); + const hb_ubytes_t privDictStr = StructAtOffsetOrNull (cff2, font->privateDictInfo.offset).as_ubytes (font->privateDictInfo.size); if (unlikely (!privDictStr.sanitize (&sc))) goto fail; - dict_interpreter_t priv_interp; - priv_interp.env.init(privDictStr); + cff2_priv_dict_interp_env_t env2 (privDictStr); + dict_interpreter_t priv_interp (env2); privateDicts[i].init (); if (unlikely (!priv_interp.interpret (privateDicts[i]))) goto fail; @@ -487,13 +483,18 @@ struct cff2 blob = nullptr; } + hb_map_t *create_glyph_to_sid_map () const + { + return nullptr; + } + bool is_valid () const { return blob; } protected: - hb_blob_t *blob = nullptr; hb_sanitize_context_t sc; public: + hb_blob_t *blob = nullptr; cff2_top_dict_values_t topDict; const CFF2Subrs *globalSubrs = nullptr; const CFF2VariationStore *varStore = nullptr; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh index a8747ee5a1..523196fa79 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-cmap-table.hh @@ -27,6 +27,8 @@ #ifndef HB_OT_CMAP_TABLE_HH #define HB_OT_CMAP_TABLE_HH +#include "hb-ot-os2-table.hh" +#include "hb-ot-shaper-arabic-pua.hh" #include "hb-open-type.hh" #include "hb-set.hh" @@ -44,7 +46,7 @@ struct CmapSubtableFormat0 bool get_glyph (hb_codepoint_t codepoint, hb_codepoint_t *glyph) const { hb_codepoint_t gid = codepoint < 256 ? glyphIdArray[codepoint] : 0; - if (!gid) + if (unlikely (!gid)) return false; *glyph = gid; return true; @@ -109,22 +111,26 @@ struct CmapSubtableFormat4 while (it) { // Start a new range - start_cp = (*it).first; - prev_run_start_cp = (*it).first; - run_start_cp = (*it).first; - end_cp = (*it).first; - last_gid = (*it).second; - run_length = 1; - prev_delta = 0; + { + const auto& pair = *it; + start_cp = pair.first; + prev_run_start_cp = start_cp; + run_start_cp = start_cp; + end_cp = start_cp; + last_gid = pair.second; + run_length = 1; + prev_delta = 0; + } - delta = (*it).second - (*it).first; + delta = last_gid - start_cp; mode = FIRST_SUB_RANGE; it++; while (it) { // Process range - hb_codepoint_t next_cp = (*it).first; - hb_codepoint_t next_gid = (*it).second; + const auto& pair = *it; + hb_codepoint_t next_cp = pair.first; + hb_codepoint_t next_gid = pair.second; if (next_cp != end_cp + 1) { // Current range is over, stop processing. break; @@ -282,23 +288,22 @@ struct CmapSubtableFormat4 } template + hb_requires (hb_is_iterator (Iterator))> HBUINT16* serialize_rangeoffset_glyid (hb_serialize_context_t *c, - Iterator it, + Iterator it, HBUINT16 *endCode, HBUINT16 *startCode, HBINT16 *idDelta, unsigned segcount) { - hb_hashmap_t cp_to_gid; - + it | hb_sink (cp_to_gid); + hb_map_t cp_to_gid { it }; HBUINT16 *idRangeOffset = c->allocate_size (HBUINT16::static_size * segcount); if (unlikely (!c->check_success (idRangeOffset))) return nullptr; if (unlikely ((char *)idRangeOffset - (char *)idDelta != (int) segcount * (int) HBINT16::static_size)) return nullptr; for (unsigned i : + hb_range (segcount) - | hb_filter ([&] (const unsigned _) { return idDelta[_] == 0; })) + | hb_filter ([&] (const unsigned _) { return idDelta[_] == 0; })) { idRangeOffset[i] = 2 * (c->start_embed () - idRangeOffset - i); for (hb_codepoint_t cp = startCode[i]; cp <= endCode[i]; cp++) @@ -323,22 +328,31 @@ struct CmapSubtableFormat4 { return _.first <= 0xFFFF; }) ; - if (format4_iter.len () == 0) return; + if (!format4_iter) return; unsigned table_initpos = c->length (); if (unlikely (!c->extend_min (this))) return; this->format = 4; + hb_vector_t> cp_to_gid { + format4_iter + }; + //serialize endCode[], startCode[], idDelta[] HBUINT16* endCode = c->start_embed (); - unsigned segcount = serialize_find_segcount (format4_iter); - if (unlikely (!serialize_start_end_delta_arrays (c, format4_iter, segcount))) + unsigned segcount = serialize_find_segcount (cp_to_gid.iter()); + if (unlikely (!serialize_start_end_delta_arrays (c, cp_to_gid.iter(), segcount))) return; HBUINT16 *startCode = endCode + segcount + 1; HBINT16 *idDelta = ((HBINT16*)startCode) + segcount; - HBUINT16 *idRangeOffset = serialize_rangeoffset_glyid (c, format4_iter, endCode, startCode, idDelta, segcount); + HBUINT16 *idRangeOffset = serialize_rangeoffset_glyid (c, + cp_to_gid.iter (), + endCode, + startCode, + idDelta, + segcount); if (unlikely (!c->check_success (idRangeOffset))) return; this->length = c->length () - table_initpos; @@ -401,7 +415,7 @@ struct CmapSubtableFormat4 2, _hb_cmp_method, this->segCount + 1); - if (!found) + if (unlikely (!found)) return false; unsigned int i = found - endCount; @@ -421,7 +435,7 @@ struct CmapSubtableFormat4 gid += this->idDelta[i]; } gid &= 0xFFFFu; - if (!gid) + if (unlikely (!gid)) return false; *glyph = gid; return true; @@ -440,14 +454,14 @@ struct CmapSubtableFormat4 hb_codepoint_t start = this->startCount[i]; hb_codepoint_t end = this->endCount[i]; unsigned int rangeOffset = this->idRangeOffset[i]; + out->add_range(start, end); if (rangeOffset == 0) { for (hb_codepoint_t codepoint = start; codepoint <= end; codepoint++) { hb_codepoint_t gid = (codepoint + this->idDelta[i]) & 0xFFFFu; if (unlikely (!gid)) - continue; - out->add (codepoint); + out->del(codepoint); } } else @@ -456,11 +470,13 @@ struct CmapSubtableFormat4 { unsigned int index = rangeOffset / 2 + (codepoint - this->startCount[i]) + i - this->segCount; if (unlikely (index >= this->glyphIdArrayLength)) + { + out->del_range (codepoint, end); break; + } hb_codepoint_t gid = this->glyphIdArray[index]; if (unlikely (!gid)) - continue; - out->add (codepoint); + out->del(codepoint); } } } @@ -469,6 +485,8 @@ struct CmapSubtableFormat4 void collect_mapping (hb_set_t *unicodes, /* OUT */ hb_map_t *mapping /* OUT */) const { + // TODO(grieger): optimize similar to collect_unicodes + // (ie. use add_range()) unsigned count = this->segCount; if (count && this->startCount[count - 1] == 0xFFFFu) count--; /* Skip sentinel segment. */ @@ -620,7 +638,7 @@ struct CmapSubtableTrimmed { /* Rely on our implicit array bound-checking. */ hb_codepoint_t gid = glyphIdArray[codepoint - startCharCode]; - if (!gid) + if (unlikely (!gid)) return false; *glyph = gid; return true; @@ -674,7 +692,7 @@ struct CmapSubtableTrimmed }; struct CmapSubtableFormat6 : CmapSubtableTrimmed {}; -struct CmapSubtableFormat10 : CmapSubtableTrimmed {}; +struct CmapSubtableFormat10 : CmapSubtableTrimmed {}; template struct CmapSubtableLongSegmented @@ -684,7 +702,7 @@ struct CmapSubtableLongSegmented bool get_glyph (hb_codepoint_t codepoint, hb_codepoint_t *glyph) const { hb_codepoint_t gid = T::group_get_glyph (groups.bsearch (codepoint), codepoint); - if (!gid) + if (unlikely (!gid)) return false; *glyph = gid; return true; @@ -722,11 +740,19 @@ struct CmapSubtableLongSegmented hb_map_t *mapping, /* OUT */ unsigned num_glyphs) const { + hb_codepoint_t last_end = 0; for (unsigned i = 0; i < this->groups.len; i++) { hb_codepoint_t start = this->groups[i].startCharCode; hb_codepoint_t end = hb_min ((hb_codepoint_t) this->groups[i].endCharCode, (hb_codepoint_t) HB_UNICODE_MAX); + if (unlikely (start > end || start < last_end)) { + // Range is not in order and is invalid, skip it. + continue; + } + last_end = end; + + hb_codepoint_t gid = this->groups[i].glyphID; if (!gid) { @@ -778,16 +804,16 @@ struct CmapSubtableFormat12 : CmapSubtableLongSegmented void serialize (hb_serialize_context_t *c, Iterator it) { - if (it.len () == 0) return; + if (!it) return; unsigned table_initpos = c->length (); if (unlikely (!c->extend_min (this))) return; - hb_codepoint_t startCharCode = 0xFFFF, endCharCode = 0xFFFF; + hb_codepoint_t startCharCode = (hb_codepoint_t) -1, endCharCode = (hb_codepoint_t) -1; hb_codepoint_t glyphID = 0; for (const auto& _ : +it) { - if (startCharCode == 0xFFFF) + if (startCharCode == (hb_codepoint_t) -1) { startCharCode = _.first; endCharCode = _.first; @@ -818,7 +844,7 @@ struct CmapSubtableFormat12 : CmapSubtableLongSegmented this->format = 12; this->reserved = 0; this->length = c->length () - table_initpos; - this->groups.len = (this->length - min_size)/CmapSubtableLongGroup::static_size; + this->groups.len = (this->length - min_size) / CmapSubtableLongGroup::static_size; } static size_t get_sub_table_size (const hb_sorted_vector_t &groups_data) @@ -883,7 +909,7 @@ struct DefaultUVS : SortedArray32Of hb_codepoint_t first = arrayZ[i].startUnicodeValue; hb_codepoint_t last = hb_min ((hb_codepoint_t) (first + arrayZ[i].additionalCount), (hb_codepoint_t) HB_UNICODE_MAX); - out->add_range (first, hb_min (last, 0x10FFFFu)); + out->add_range (first, last); } } @@ -899,37 +925,75 @@ struct DefaultUVS : SortedArray32Of if (unlikely (!c->copy (len))) return nullptr; unsigned init_len = c->length (); - hb_codepoint_t lastCode = HB_MAP_VALUE_INVALID; - int count = -1; - - for (const UnicodeValueRange& _ : as_array ()) + if (this->len > unicodes->get_population () * hb_bit_storage ((unsigned) this->len)) { - for (const unsigned addcnt : hb_range ((unsigned) _.additionalCount + 1)) - { - unsigned curEntry = (unsigned) _.startUnicodeValue + addcnt; - if (!unicodes->has (curEntry)) continue; - count += 1; - if (lastCode == HB_MAP_VALUE_INVALID) - lastCode = curEntry; - else if (lastCode + count != curEntry) - { - UnicodeValueRange rec; - rec.startUnicodeValue = lastCode; - rec.additionalCount = count - 1; - c->copy (rec); + hb_codepoint_t start = HB_SET_VALUE_INVALID; + hb_codepoint_t end = HB_SET_VALUE_INVALID; - lastCode = curEntry; - count = 0; + for (hb_codepoint_t u = HB_SET_VALUE_INVALID; + unicodes->next (&u);) + { + if (!as_array ().bsearch (u)) + continue; + if (start == HB_SET_VALUE_INVALID) + { + start = u; + end = start - 1; + } + if (end + 1 != u || end - start == 255) + { + UnicodeValueRange rec; + rec.startUnicodeValue = start; + rec.additionalCount = end - start; + c->copy (rec); + start = u; + } + end = u; + } + if (start != HB_SET_VALUE_INVALID) + { + UnicodeValueRange rec; + rec.startUnicodeValue = start; + rec.additionalCount = end - start; + c->copy (rec); + } + + } + else + { + hb_codepoint_t lastCode = HB_SET_VALUE_INVALID; + int count = -1; + + for (const UnicodeValueRange& _ : *this) + { + hb_codepoint_t curEntry = (hb_codepoint_t) (_.startUnicodeValue - 1); + hb_codepoint_t end = curEntry + _.additionalCount + 2; + + for (; unicodes->next (&curEntry) && curEntry < end;) + { + count += 1; + if (lastCode == HB_SET_VALUE_INVALID) + lastCode = curEntry; + else if (lastCode + count != curEntry) + { + UnicodeValueRange rec; + rec.startUnicodeValue = lastCode; + rec.additionalCount = count - 1; + c->copy (rec); + + lastCode = curEntry; + count = 0; + } } } - } - if (lastCode != HB_MAP_VALUE_INVALID) - { - UnicodeValueRange rec; - rec.startUnicodeValue = lastCode; - rec.additionalCount = count; - c->copy (rec); + if (lastCode != HB_MAP_VALUE_INVALID) + { + UnicodeValueRange rec; + rec.startUnicodeValue = lastCode; + rec.additionalCount = count; + c->copy (rec); + } } if (c->length () - init_len == 0) @@ -1448,17 +1512,127 @@ struct EncodingRecord DEFINE_SIZE_STATIC (8); }; +struct cmap; + +struct SubtableUnicodesCache { + + private: + hb_blob_ptr_t base_blob; + const char* base; + hb_hashmap_t> cached_unicodes; + + public: + + static SubtableUnicodesCache* create (hb_blob_ptr_t source_table) + { + SubtableUnicodesCache* cache = + (SubtableUnicodesCache*) hb_malloc (sizeof(SubtableUnicodesCache)); + new (cache) SubtableUnicodesCache (source_table); + return cache; + } + + static void destroy (void* value) { + if (!value) return; + + SubtableUnicodesCache* cache = (SubtableUnicodesCache*) value; + cache->~SubtableUnicodesCache (); + hb_free (cache); + } + + SubtableUnicodesCache(const void* cmap_base) + : base_blob(), + base ((const char*) cmap_base), + cached_unicodes () + {} + + SubtableUnicodesCache(hb_blob_ptr_t base_blob_) + : base_blob(base_blob_), + base ((const char *) base_blob.get()), + cached_unicodes () + {} + + ~SubtableUnicodesCache() + { + base_blob.destroy (); + } + + bool same_base(const void* other) const + { + return other == (const void*) base; + } + + const hb_set_t* set_for (const EncodingRecord* record, + SubtableUnicodesCache& mutable_cache) const + { + if (cached_unicodes.has ((unsigned) ((const char *) record - base))) + return cached_unicodes.get ((unsigned) ((const char *) record - base)); + + return mutable_cache.set_for (record); + } + + const hb_set_t* set_for (const EncodingRecord* record) + { + if (!cached_unicodes.has ((unsigned) ((const char *) record - base))) + { + hb_set_t *s = hb_set_create (); + if (unlikely (s->in_error ())) + return hb_set_get_empty (); + + (base+record->subtable).collect_unicodes (s); + + if (unlikely (!cached_unicodes.set ((unsigned) ((const char *) record - base), hb::unique_ptr {s}))) + return hb_set_get_empty (); + + return s; + } + return cached_unicodes.get ((unsigned) ((const char *) record - base)); + } + +}; + +static inline uint_fast16_t +_hb_symbol_pua_map (unsigned codepoint) +{ + if (codepoint <= 0x00FFu) + { + /* For symbol-encoded OpenType fonts, we duplicate the + * U+F000..F0FF range at U+0000..U+00FF. That's what + * Windows seems to do, and that's hinted about at: + * https://docs.microsoft.com/en-us/typography/opentype/spec/recom + * under "Non-Standard (Symbol) Fonts". */ + return 0xF000u + codepoint; + } + return 0; +} + struct cmap { static constexpr hb_tag_t tableTag = HB_OT_TAG_cmap; + + static SubtableUnicodesCache* create_filled_cache(hb_blob_ptr_t source_table) { + const cmap* cmap = source_table.get(); + auto it = + + hb_iter (cmap->encodingRecord) + | hb_filter ([&](const EncodingRecord& _) { + return cmap::filter_encoding_records_for_subset (cmap, _); + }) + ; + + SubtableUnicodesCache* cache = SubtableUnicodesCache::create(source_table); + for (const EncodingRecord& _ : it) + cache->set_for(&_); // populate the cache for this encoding record. + + return cache; + } + template bool serialize (hb_serialize_context_t *c, Iterator it, EncodingRecIter encodingrec_iter, const void *base, - const hb_subset_plan_t *plan, + hb_subset_plan_t *plan, bool drop_format_4 = false) { if (unlikely (!c->extend_min ((*this)))) return false; @@ -1467,6 +1641,14 @@ struct cmap unsigned format4objidx = 0, format12objidx = 0, format14objidx = 0; auto snap = c->snapshot (); + SubtableUnicodesCache local_unicodes_cache (base); + const SubtableUnicodesCache* unicodes_cache = &local_unicodes_cache; + + if (plan->accelerator && + plan->accelerator->cmap_cache && + plan->accelerator->cmap_cache->same_base (base)) + unicodes_cache = plan->accelerator->cmap_cache; + for (const EncodingRecord& _ : encodingrec_iter) { if (c->in_error ()) @@ -1475,12 +1657,11 @@ struct cmap unsigned format = (base+_.subtable).u.format; if (format != 4 && format != 12 && format != 14) continue; - hb_set_t unicodes_set; - (base+_.subtable).collect_unicodes (&unicodes_set); + const hb_set_t* unicodes_set = unicodes_cache->set_for (&_, local_unicodes_cache); if (!drop_format_4 && format == 4) { - c->copy (_, + it | hb_filter (unicodes_set, hb_first), 4u, base, plan, &format4objidx); + c->copy (_, + it | hb_filter (*unicodes_set, hb_first), 4u, base, plan, &format4objidx); if (c->in_error () && c->only_overflow ()) { // cmap4 overflowed, reset and retry serialization without format 4 subtables. @@ -1495,8 +1676,14 @@ struct cmap else if (format == 12) { - if (_can_drop (_, unicodes_set, base, + it | hb_map (hb_first), encodingrec_iter)) continue; - c->copy (_, + it | hb_filter (unicodes_set, hb_first), 12u, base, plan, &format12objidx); + if (_can_drop (_, + *unicodes_set, + base, + *unicodes_cache, + local_unicodes_cache, + + it | hb_map (hb_first), encodingrec_iter)) + continue; + c->copy (_, + it | hb_filter (*unicodes_set, hb_first), 12u, base, plan, &format12objidx); } else if (format == 14) c->copy (_, it, 14u, base, plan, &format14objidx); } @@ -1514,6 +1701,8 @@ struct cmap bool _can_drop (const EncodingRecord& cmap12, const hb_set_t& cmap12_unicodes, const void* base, + const SubtableUnicodesCache& unicodes_cache, + SubtableUnicodesCache& local_unicodes_cache, Iterator subset_unicodes, EncodingRecordIterator encoding_records) { @@ -1544,11 +1733,10 @@ struct cmap || (base+_.subtable).get_language() != target_language) continue; - hb_set_t sibling_unicodes; - (base+_.subtable).collect_unicodes (&sibling_unicodes); + const hb_set_t* sibling_unicodes = unicodes_cache.set_for (&_, local_unicodes_cache); auto cmap12 = + subset_unicodes | hb_filter (cmap12_unicodes); - auto sibling = + subset_unicodes | hb_filter (sibling_unicodes); + auto sibling = + subset_unicodes | hb_filter (*sibling_unicodes); for (; cmap12 && sibling; cmap12++, sibling++) { unsigned a = *cmap12; @@ -1582,17 +1770,9 @@ struct cmap auto encodingrec_iter = + hb_iter (encodingRecord) - | hb_filter ([&] (const EncodingRecord& _) - { - if ((_.platformID == 0 && _.encodingID == 3) || - (_.platformID == 0 && _.encodingID == 4) || - (_.platformID == 3 && _.encodingID == 1) || - (_.platformID == 3 && _.encodingID == 10) || - (this + _.subtable).u.format == 14) - return true; - - return false; - }) + | hb_filter ([&](const EncodingRecord& _) { + return cmap::filter_encoding_records_for_subset (this, _); + }) ; if (unlikely (!encodingrec_iter.len ())) return_trace (false); @@ -1616,18 +1796,16 @@ struct cmap if (unlikely (has_format12 && (!unicode_ucs4 && !ms_ucs4))) return_trace (false); auto it = - + hb_iter (c->plan->unicodes) - | hb_map ([&] (hb_codepoint_t _) - { - hb_codepoint_t new_gid = HB_MAP_VALUE_INVALID; - c->plan->new_gid_for_codepoint (_, &new_gid); - return hb_pair_t (_, new_gid); - }) + + c->plan->unicode_to_new_gid_list.iter () | hb_filter ([&] (const hb_pair_t _) { return (_.second != HB_MAP_VALUE_INVALID); }) ; - return_trace (cmap_prime->serialize (c->serializer, it, encodingrec_iter, this, c->plan)); + return_trace (cmap_prime->serialize (c->serializer, + it, + encodingrec_iter, + this, + c->plan)); } const CmapSubtable *find_best_subtable (bool *symbol = nullptr) const @@ -1677,7 +1855,24 @@ struct cmap this->get_glyph_data = subtable; if (unlikely (symbol)) - this->get_glyph_funcZ = get_glyph_from_symbol; + { + switch ((unsigned) face->table.OS2->get_font_page ()) { + case OS2::font_page_t::FONT_PAGE_NONE: + this->get_glyph_funcZ = get_glyph_from_symbol; + break; +#ifndef HB_NO_OT_SHAPER_ARABIC_FALLBACK + case OS2::font_page_t::FONT_PAGE_SIMP_ARABIC: + this->get_glyph_funcZ = get_glyph_from_symbol; + break; + case OS2::font_page_t::FONT_PAGE_TRAD_ARABIC: + this->get_glyph_funcZ = get_glyph_from_symbol; + break; +#endif + default: + this->get_glyph_funcZ = get_glyph_from; + break; + } + } else { switch (subtable->u.format) { @@ -1759,6 +1954,7 @@ struct cmap typedef bool (*hb_cmap_get_glyph_func_t) (const void *obj, hb_codepoint_t codepoint, hb_codepoint_t *glyph); + typedef uint_fast16_t (*hb_pua_remap_func_t) (unsigned); template HB_INTERNAL static bool get_glyph_from (const void *obj, @@ -1769,7 +1965,7 @@ struct cmap return typed_obj->get_glyph (codepoint, glyph); } - template + template HB_INTERNAL static bool get_glyph_from_symbol (const void *obj, hb_codepoint_t codepoint, hb_codepoint_t *glyph) @@ -1778,15 +1974,8 @@ struct cmap if (likely (typed_obj->get_glyph (codepoint, glyph))) return true; - if (codepoint <= 0x00FFu) - { - /* For symbol-encoded OpenType fonts, we duplicate the - * U+F000..F0FF range at U+0000..U+00FF. That's what - * Windows seems to do, and that's hinted about at: - * https://docs.microsoft.com/en-us/typography/opentype/spec/recom - * under "Non-Standard (Symbol) Fonts". */ - return typed_obj->get_glyph (0xF000u + codepoint, glyph); - } + if (hb_codepoint_t c = remap (codepoint)) + return typed_obj->get_glyph (c, glyph); return false; } @@ -1852,6 +2041,19 @@ struct cmap encodingRecord.sanitize (c, this)); } + private: + + static bool filter_encoding_records_for_subset(const cmap* cmap, + const EncodingRecord& _) + { + return + (_.platformID == 0 && _.encodingID == 3) || + (_.platformID == 0 && _.encodingID == 4) || + (_.platformID == 3 && _.encodingID == 1) || + (_.platformID == 3 && _.encodingID == 10) || + (cmap + _.subtable).u.format == 14; + } + protected: HBUINT16 version; /* Table version number (0). */ SortedArray16Of diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cbdt-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cbdt-table.hh index 23fa56c4f6..3246894d39 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cbdt-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cbdt-table.hh @@ -67,7 +67,7 @@ _copy_data_to_cbdt (hb_vector_t *cbdt_prime, { unsigned int new_len = cbdt_prime->length + length; if (unlikely (!cbdt_prime->alloc (new_len))) return false; - memcpy (cbdt_prime->arrayZ + cbdt_prime->length, data, length); + hb_memcpy (cbdt_prime->arrayZ + cbdt_prime->length, data, length); cbdt_prime->length = new_len; return true; } @@ -468,13 +468,13 @@ struct IndexSubtableRecord if (unlikely (!c->serializer->check_success (records->resize (records->length + 1)))) return_trace (false); - (*records)[records->length - 1].firstGlyphIndex = 1; - (*records)[records->length - 1].lastGlyphIndex = 0; + records->tail ().firstGlyphIndex = 1; + records->tail ().lastGlyphIndex = 0; bitmap_size_context->size += IndexSubtableRecord::min_size; c->serializer->push (); - if (unlikely (!add_new_subtable (c, bitmap_size_context, &((*records)[records->length - 1]), lookup, base, start))) + if (unlikely (!add_new_subtable (c, bitmap_size_context, &(records->tail ()), lookup, base, start))) { c->serializer->pop_discard (); c->serializer->revert (snap); diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-colr-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-colr-table.hh index dac755c02c..1af9d30937 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-colr-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-colr-table.hh @@ -39,11 +39,7 @@ #define HB_OT_TAG_COLR HB_TAG('C','O','L','R') #ifndef HB_COLRV1_MAX_NESTING_LEVEL -#define HB_COLRV1_MAX_NESTING_LEVEL 100 -#endif - -#ifndef COLRV1_ENABLE_SUBSETTING -#define COLRV1_ENABLE_SUBSETTING 1 +#define HB_COLRV1_MAX_NESTING_LEVEL 16 #endif namespace OT { @@ -145,7 +141,7 @@ struct BaseGlyphRecord bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } public: @@ -188,6 +184,7 @@ struct Variable protected: T value; + public: VarIdx varIdxBase; public: DEFINE_SIZE_STATIC (4 + T::static_size); @@ -196,6 +193,8 @@ struct Variable template struct NoVariable { + static constexpr uint32_t varIdxBase = VarIdx::NO_VARIATION; + NoVariable* copy (hb_serialize_context_t *c) const { TRACE_SERIALIZE (this); @@ -358,14 +357,14 @@ struct Affine2x3 return_trace (c->check_struct (this)); } - HBFixed xx; - HBFixed yx; - HBFixed xy; - HBFixed yy; - HBFixed dx; - HBFixed dy; + F16DOT16 xx; + F16DOT16 yx; + F16DOT16 xy; + F16DOT16 yy; + F16DOT16 dx; + F16DOT16 dy; public: - DEFINE_SIZE_STATIC (6 * HBFixed::static_size); + DEFINE_SIZE_STATIC (6 * F16DOT16::static_size); }; struct PaintColrLayers @@ -524,6 +523,7 @@ struct PaintSweepGradient }; struct Paint; + // Paint a non-COLR glyph, filled as indicated by paint. struct PaintGlyph { @@ -887,6 +887,11 @@ struct PaintComposite DEFINE_SIZE_STATIC (8); }; +struct ClipBoxData +{ + int xMin, yMin, xMax, yMax; +}; + struct ClipBoxFormat1 { bool sanitize (hb_sanitize_context_t *c) const @@ -895,6 +900,14 @@ struct ClipBoxFormat1 return_trace (c->check_struct (this)); } + void get_clip_box (ClipBoxData &clip_box, const VarStoreInstancer &instancer HB_UNUSED) const + { + clip_box.xMin = xMin; + clip_box.yMin = yMin; + clip_box.xMax = xMax; + clip_box.yMax = yMax; + } + public: HBUINT8 format; /* format = 1(noVar) or 2(Var)*/ FWORD xMin; @@ -905,7 +918,20 @@ struct ClipBoxFormat1 DEFINE_SIZE_STATIC (1 + 4 * FWORD::static_size); }; -struct ClipBoxFormat2 : Variable {}; +struct ClipBoxFormat2 : Variable +{ + void get_clip_box (ClipBoxData &clip_box, const VarStoreInstancer &instancer) const + { + value.get_clip_box(clip_box, instancer); + if (instancer) + { + clip_box.xMin += _hb_roundf (instancer (varIdxBase, 0)); + clip_box.yMin += _hb_roundf (instancer (varIdxBase, 1)); + clip_box.xMax += _hb_roundf (instancer (varIdxBase, 2)); + clip_box.yMax += _hb_roundf (instancer (varIdxBase, 3)); + } + } +}; struct ClipBox { @@ -931,6 +957,28 @@ struct ClipBox } } + bool get_extents (hb_glyph_extents_t *extents, + const VarStoreInstancer &instancer) const + { + ClipBoxData clip_box; + switch (u.format) { + case 1: + u.format1.get_clip_box (clip_box, instancer); + break; + case 2: + u.format2.get_clip_box (clip_box, instancer); + break; + default: + return false; + } + + extents->x_bearing = clip_box.xMin; + extents->y_bearing = clip_box.yMax; + extents->width = clip_box.xMax - clip_box.xMin; + extents->height = clip_box.yMin - clip_box.yMax; + return true; + } + protected: union { HBUINT8 format; /* Format identifier */ @@ -941,6 +989,9 @@ struct ClipBox struct ClipRecord { + int cmp (hb_codepoint_t g) const + { return g < startGlyphID ? -1 : g <= endGlyphID ? 0 : +1; } + ClipRecord* copy (hb_serialize_context_t *c, const void *base) const { TRACE_SERIALIZE (this); @@ -956,6 +1007,13 @@ struct ClipRecord return_trace (c->check_struct (this) && clipBox.sanitize (c, base)); } + bool get_extents (hb_glyph_extents_t *extents, + const void *base, + const VarStoreInstancer &instancer) const + { + return (base+clipBox).get_extents (extents, instancer); + } + public: HBUINT16 startGlyphID; // first gid clip applies to HBUINT16 endGlyphID; // last gid clip applies to, inclusive @@ -963,6 +1021,7 @@ struct ClipRecord public: DEFINE_SIZE_STATIC (7); }; +DECLARE_NULL_NAMESPACE_BYTES (OT, ClipRecord); struct ClipList { @@ -1051,11 +1110,26 @@ struct ClipList bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); + // TODO Make a formatted struct! return_trace (c->check_struct (this) && clips.sanitize (c, this)); } + bool + get_extents (hb_codepoint_t gid, + hb_glyph_extents_t *extents, + const VarStoreInstancer &instancer) const + { + auto *rec = clips.as_array ().bsearch (gid); + if (rec) + { + rec->get_extents (extents, this, instancer); + return true; + } + return false; + } + HBUINT8 format; // Set to 1. - Array32Of clips; // Clip records, sorted by startGlyphID + SortedArray32Of clips; // Clip records, sorted by startGlyphID public: DEFINE_SIZE_ARRAY_SIZED (5, clips); }; @@ -1152,6 +1226,8 @@ struct Paint Variable paintformat31; PaintComposite paintformat32; } u; + public: + DEFINE_SIZE_MIN (2); }; struct BaseGlyphPaintRecord @@ -1356,7 +1432,7 @@ struct COLR (this+baseGlyphsZ).sanitize (c, numBaseGlyphs) && (this+layersZ).sanitize (c, numLayers) && (version == 0 || - (COLRV1_ENABLE_SUBSETTING && version == 1 && + (version == 1 && baseGlyphList.sanitize (c, this) && layerList.sanitize (c, this) && clipList.sanitize (c, this) && @@ -1513,6 +1589,30 @@ struct COLR return_trace (true); } + bool + get_extents (hb_font_t *font, hb_codepoint_t glyph, hb_glyph_extents_t *extents) const + { + if (version != 1) + return false; + + VarStoreInstancer instancer (this+varStore, + this+varIdxMap, + hb_array (font->coords, font->num_coords)); + + if ((this+clipList).get_extents (glyph, + extents, + instancer)) + { + extents->x_bearing = font->em_scale_x (extents->x_bearing); + extents->y_bearing = font->em_scale_x (extents->y_bearing); + extents->width = font->em_scale_x (extents->width); + extents->height = font->em_scale_x (extents->height); + return true; + } + + return false; + } + protected: HBUINT16 version; /* Table version number (starts at 0). */ HBUINT16 numBaseGlyphs; /* Number of Base Glyph Records. */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh index a9deeba9a7..bcab77f79d 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-cpal-table.hh @@ -97,9 +97,10 @@ struct CPALV1Tail c->push (); for (const auto _ : colorLabels) { - if (!color_index_map->has (_)) continue; + const hb_codepoint_t *v; + if (!color_index_map->has (_, &v)) continue; NameID new_color_idx; - new_color_idx = color_index_map->get (_); + new_color_idx = *v; if (!c->copy (new_color_idx)) { c->pop_discard (); @@ -197,30 +198,38 @@ struct CPAL public: bool serialize (hb_serialize_context_t *c, - const hb_array_t &color_records, const hb_array_t &color_record_indices, - const hb_map_t &color_record_index_map, - const hb_set_t &retained_color_record_indices) const + const hb_array_t &color_records, + const hb_vector_t& first_color_index_for_layer, + const hb_map_t& first_color_to_layer_index, + const hb_set_t &retained_color_indices) const { TRACE_SERIALIZE (this); + // TODO(grieger): limit total final size. + for (const auto idx : color_record_indices) { + hb_codepoint_t layer_index = first_color_to_layer_index[idx]; + HBUINT16 new_idx; - if (idx == 0) new_idx = 0; - else new_idx = color_record_index_map.get (idx); + new_idx = layer_index * retained_color_indices.get_population (); if (!c->copy (new_idx)) return_trace (false); } c->push (); - for (const auto _ : retained_color_record_indices.iter ()) + for (unsigned first_color_index : first_color_index_for_layer) { - if (!c->copy (color_records[_])) + for (hb_codepoint_t color_index : retained_color_indices) { - c->pop_discard (); - return_trace (false); + if (!c->copy (color_records[first_color_index + color_index])) + { + c->pop_discard (); + return_trace (false); + } } } + c->add_link (colorRecordsZ, c->pop_pack ()); return_trace (true); } @@ -228,6 +237,8 @@ struct CPAL bool subset (hb_subset_context_t *c) const { TRACE_SUBSET (this); + if (!numPalettes) return_trace (false); + const hb_map_t *color_index_map = c->plan->colr_palettes; if (color_index_map->is_empty ()) return_trace (false); @@ -242,30 +253,34 @@ struct CPAL auto *out = c->serializer->start_embed (*this); if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + out->version = version; out->numColors = retained_color_indices.get_population (); out->numPalettes = numPalettes; - const hb_array_t colorRecordIndices = colorRecordIndicesZ.as_array (numPalettes); - hb_map_t color_record_index_map; - hb_set_t retained_color_record_indices; + hb_vector_t first_color_index_for_layer; + hb_map_t first_color_to_layer_index; - unsigned record_count = 0; + const hb_array_t colorRecordIndices = colorRecordIndicesZ.as_array (numPalettes); for (const auto first_color_record_idx : colorRecordIndices) { - for (unsigned retained_color_idx : retained_color_indices.iter ()) - { - unsigned color_record_idx = first_color_record_idx + retained_color_idx; - if (color_record_index_map.has (color_record_idx)) continue; - color_record_index_map.set (color_record_idx, record_count); - retained_color_record_indices.add (color_record_idx); - record_count++; - } + if (first_color_to_layer_index.has (first_color_record_idx)) continue; + + first_color_index_for_layer.push (first_color_record_idx); + first_color_to_layer_index.set (first_color_record_idx, + first_color_index_for_layer.length - 1); } - out->numColorRecords = record_count; + out->numColorRecords = first_color_index_for_layer.length + * retained_color_indices.get_population (); + const hb_array_t color_records = (this+colorRecordsZ).as_array (numColorRecords); - if (!out->serialize (c->serializer, color_records, colorRecordIndices, color_record_index_map, retained_color_record_indices)) + if (!out->serialize (c->serializer, + colorRecordIndices, + color_records, + first_color_index_for_layer, + first_color_to_layer_index, + retained_color_indices)) return_trace (false); if (version == 1) diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-sbix-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-sbix-table.hh index 9741ebd450..d0e2235fb2 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color-sbix-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color-sbix-table.hh @@ -298,6 +298,12 @@ struct sbix const PNGHeader &png = *blob->as(); + if (png.IHDR.height >= 65536 || png.IHDR.width >= 65536) + { + hb_blob_destroy (blob); + return false; + } + extents->x_bearing = x_offset; extents->y_bearing = png.IHDR.height + y_offset; extents->width = png.IHDR.width; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-color.cc index 16077765bd..696ca3e17f 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color.cc @@ -61,7 +61,7 @@ * * Tests whether a face includes a `CPAL` color-palette table. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 2.1.0 */ @@ -192,7 +192,7 @@ hb_ot_color_palette_get_colors (hb_face_t *face, * * Tests whether a face includes any `COLR` color layers. * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 2.1.0 */ @@ -239,7 +239,7 @@ hb_ot_color_glyph_get_layers (hb_face_t *face, * * Tests whether a face includes any `SVG` glyph images. * - * Return value: %true if data found, %false otherwise. + * Return value: `true` if data found, `false` otherwise. * * Since: 2.1.0 */ @@ -279,7 +279,7 @@ hb_ot_color_glyph_reference_svg (hb_face_t *face, hb_codepoint_t glyph) * * Tests whether a face has PNG glyph images (either in `CBDT` or `sbix` tables). * - * Return value: %true if data found, %false otherwise + * Return value: `true` if data found, `false` otherwise * * Since: 2.1.0 */ @@ -295,8 +295,8 @@ hb_ot_color_has_png (hb_face_t *face) * @glyph: a glyph index * * Fetches the PNG image for a glyph. This function takes a font object, not a face object, - * as input. To get an optimally sized PNG blob, the UPEM value must be set on the @font - * object. If UPEM is unset, the blob returned will be the largest PNG available. + * as input. To get an optimally sized PNG blob, the PPEM values must be set on the @font + * object. If PPEM is unset, the blob returned will be the largest PNG available. * * If the glyph has no PNG image, the singleton empty blob is returned. * diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-color.h b/src/3rdparty/harfbuzz-ng/src/hb-ot-color.h index c23ce4de44..d11e07e230 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-color.h +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-color.h @@ -102,6 +102,10 @@ hb_ot_color_has_layers (hb_face_t *face); * * Pairs of glyph and color index. * + * A color index of 0xFFFF does not refer to a palette + * color, but indicates that the foreground color should + * be used. + * * Since: 2.1.0 **/ typedef struct hb_ot_color_layer_t { diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-face-table-list.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-face-table-list.hh index c05034b3bb..c9da36c1bb 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-face-table-list.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-face-table-list.hh @@ -56,9 +56,9 @@ HB_OT_CORE_TABLE (OT, maxp) #if !defined(HB_NO_FACE_COLLECT_UNICODES) || !defined(HB_NO_OT_FONT) HB_OT_ACCELERATOR (OT, cmap) #endif -HB_OT_TABLE (OT, hhea) +HB_OT_CORE_TABLE (OT, hhea) HB_OT_ACCELERATOR (OT, hmtx) -HB_OT_TABLE (OT, OS2) +HB_OT_CORE_TABLE (OT, OS2) #if !defined(HB_NO_OT_FONT_GLYPH_NAMES) || !defined(HB_NO_METRICS) || !defined(HB_NO_STYLE) HB_OT_ACCELERATOR (OT, post) #endif @@ -66,7 +66,7 @@ HB_OT_ACCELERATOR (OT, post) HB_OT_ACCELERATOR (OT, name) #endif #ifndef HB_NO_STYLE -HB_OT_TABLE (OT, STAT) +HB_OT_CORE_TABLE (OT, STAT) #endif #ifndef HB_NO_META HB_OT_ACCELERATOR (OT, meta) @@ -74,9 +74,9 @@ HB_OT_ACCELERATOR (OT, meta) /* Vertical layout. */ #ifndef HB_NO_VERTICAL -HB_OT_TABLE (OT, vhea) +HB_OT_CORE_TABLE (OT, vhea) HB_OT_ACCELERATOR (OT, vmtx) -HB_OT_TABLE (OT, VORG) +HB_OT_CORE_TABLE (OT, VORG) #endif /* TrueType outlines. */ @@ -91,15 +91,15 @@ HB_OT_ACCELERATOR (OT, cff2) /* OpenType variations. */ #ifndef HB_NO_VAR -HB_OT_TABLE (OT, fvar) -HB_OT_TABLE (OT, avar) +HB_OT_CORE_TABLE (OT, fvar) +HB_OT_CORE_TABLE (OT, avar) HB_OT_ACCELERATOR (OT, gvar) -HB_OT_TABLE (OT, MVAR) +HB_OT_CORE_TABLE (OT, MVAR) #endif /* Legacy kern. */ #ifndef HB_NO_OT_KERN -HB_OT_TABLE (OT, kern) +HB_OT_CORE_TABLE (OT, kern) #endif /* OpenType shaping. */ @@ -107,12 +107,12 @@ HB_OT_TABLE (OT, kern) HB_OT_ACCELERATOR (OT, GDEF) HB_OT_ACCELERATOR (OT, GSUB) HB_OT_ACCELERATOR (OT, GPOS) -//HB_OT_TABLE (OT, JSTF) +//HB_OT_CORE_TABLE (OT, JSTF) #endif /* OpenType baseline. */ #ifndef HB_NO_BASE -HB_OT_TABLE (OT, BASE) +HB_OT_CORE_TABLE (OT, BASE) #endif /* AAT shaping. */ @@ -129,8 +129,8 @@ HB_OT_TABLE (AAT, feat) /* OpenType color fonts. */ #ifndef HB_NO_COLOR -HB_OT_TABLE (OT, COLR) -HB_OT_TABLE (OT, CPAL) +HB_OT_CORE_TABLE (OT, COLR) +HB_OT_CORE_TABLE (OT, CPAL) HB_OT_ACCELERATOR (OT, CBDT) HB_OT_ACCELERATOR (OT, sbix) HB_OT_ACCELERATOR (OT, SVG) @@ -138,7 +138,7 @@ HB_OT_ACCELERATOR (OT, SVG) /* OpenType math. */ #ifndef HB_NO_MATH -HB_OT_TABLE (OT, MATH) +HB_OT_CORE_TABLE (OT, MATH) #endif diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-font.cc b/src/3rdparty/harfbuzz-ng/src/hb-ot-font.cc index 0f44ee4d5f..8405103423 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-font.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-font.cc @@ -30,6 +30,7 @@ #include "hb-ot.h" +#include "hb-cache.hh" #include "hb-font.hh" #include "hb-machinery.hh" #include "hb-ot-face.hh" @@ -39,12 +40,12 @@ #include "hb-ot-cff1-table.hh" #include "hb-ot-cff2-table.hh" #include "hb-ot-hmtx-table.hh" -#include "hb-ot-os2-table.hh" #include "hb-ot-post-table.hh" #include "hb-ot-stat-table.hh" // Just so we compile it; unused otherwise. #include "hb-ot-vorg-table.hh" #include "hb-ot-color-cbdt-table.hh" #include "hb-ot-color-sbix-table.hh" +#include "hb-ot-color-colr-table.hh" /** @@ -58,6 +59,43 @@ * never need to call these functions directly. **/ +using hb_ot_font_advance_cache_t = hb_cache_t<24, 16, 8, true>; + +struct hb_ot_font_t +{ + const hb_ot_face_t *ot_face; + + /* h_advance caching */ + mutable hb_atomic_int_t cached_coords_serial; + mutable hb_atomic_ptr_t advance_cache; +}; + +static hb_ot_font_t * +_hb_ot_font_create (hb_font_t *font) +{ + hb_ot_font_t *ot_font = (hb_ot_font_t *) hb_calloc (1, sizeof (hb_ot_font_t)); + if (unlikely (!ot_font)) + return nullptr; + + ot_font->ot_face = &font->face->table; + + return ot_font; +} + +static void +_hb_ot_font_destroy (void *font_data) +{ + hb_ot_font_t *ot_font = (hb_ot_font_t *) font_data; + + auto *cache = ot_font->advance_cache.get_relaxed (); + if (cache) + { + cache->fini (); + hb_free (cache); + } + + hb_free (ot_font); +} static hb_bool_t hb_ot_get_nominal_glyph (hb_font_t *font HB_UNUSED, @@ -66,7 +104,8 @@ hb_ot_get_nominal_glyph (hb_font_t *font HB_UNUSED, hb_codepoint_t *glyph, void *user_data HB_UNUSED) { - const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data; + const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data; + const hb_ot_face_t *ot_face = ot_font->ot_face; return ot_face->cmap->get_nominal_glyph (unicode, glyph); } @@ -80,7 +119,8 @@ hb_ot_get_nominal_glyphs (hb_font_t *font HB_UNUSED, unsigned int glyph_stride, void *user_data HB_UNUSED) { - const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data; + const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data; + const hb_ot_face_t *ot_face = ot_font->ot_face; return ot_face->cmap->get_nominal_glyphs (count, first_unicode, unicode_stride, first_glyph, glyph_stride); @@ -94,7 +134,8 @@ hb_ot_get_variation_glyph (hb_font_t *font HB_UNUSED, hb_codepoint_t *glyph, void *user_data HB_UNUSED) { - const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data; + const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data; + const hb_ot_face_t *ot_face = ot_font->ot_face; return ot_face->cmap->get_variation_glyph (unicode, variation_selector, glyph); } @@ -107,15 +148,83 @@ hb_ot_get_glyph_h_advances (hb_font_t* font, void* font_data, unsigned advance_stride, void *user_data HB_UNUSED) { - const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data; + const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data; + const hb_ot_face_t *ot_face = ot_font->ot_face; const OT::hmtx_accelerator_t &hmtx = *ot_face->hmtx; - for (unsigned int i = 0; i < count; i++) +#ifndef HB_NO_VAR + const OT::HVAR &HVAR = *hmtx.var_table; + const OT::VariationStore &varStore = &HVAR + HVAR.varStore; + OT::VariationStore::cache_t *varStore_cache = font->num_coords * count >= 128 ? varStore.create_cache () : nullptr; + + bool use_cache = font->num_coords; +#else + OT::VariationStore::cache_t *varStore_cache = nullptr; + bool use_cache = false; +#endif + + hb_ot_font_advance_cache_t *cache = nullptr; + if (use_cache) { - *first_advance = font->em_scale_x (hmtx.get_advance (*first_glyph, font)); - first_glyph = &StructAtOffsetUnaligned (first_glyph, glyph_stride); - first_advance = &StructAtOffsetUnaligned (first_advance, advance_stride); + retry: + cache = ot_font->advance_cache.get_acquire (); + if (unlikely (!cache)) + { + cache = (hb_ot_font_advance_cache_t *) hb_malloc (sizeof (hb_ot_font_advance_cache_t)); + if (unlikely (!cache)) + { + use_cache = false; + goto out; + } + + cache->init (); + if (unlikely (!ot_font->advance_cache.cmpexch (nullptr, cache))) + { + hb_free (cache); + goto retry; + } + ot_font->cached_coords_serial.set_release (font->serial_coords); + } } + out: + + if (!use_cache) + { + for (unsigned int i = 0; i < count; i++) + { + *first_advance = font->em_scale_x (hmtx.get_advance_with_var_unscaled (*first_glyph, font, varStore_cache)); + first_glyph = &StructAtOffsetUnaligned (first_glyph, glyph_stride); + first_advance = &StructAtOffsetUnaligned (first_advance, advance_stride); + } + } + else + { /* Use cache. */ + if (ot_font->cached_coords_serial.get_acquire () != (int) font->serial_coords) + { + ot_font->advance_cache->init (); + ot_font->cached_coords_serial.set_release (font->serial_coords); + } + + for (unsigned int i = 0; i < count; i++) + { + hb_position_t v; + unsigned cv; + if (ot_font->advance_cache->get (*first_glyph, &cv)) + v = cv; + else + { + v = hmtx.get_advance_with_var_unscaled (*first_glyph, font, varStore_cache); + ot_font->advance_cache->set (*first_glyph, v); + } + *first_advance = font->em_scale_x (v); + first_glyph = &StructAtOffsetUnaligned (first_glyph, glyph_stride); + first_advance = &StructAtOffsetUnaligned (first_advance, advance_stride); + } + } + +#ifndef HB_NO_VAR + OT::VariationStore::destroy_cache (varStore_cache); +#endif } #ifndef HB_NO_VERTICAL @@ -128,16 +237,31 @@ hb_ot_get_glyph_v_advances (hb_font_t* font, void* font_data, unsigned advance_stride, void *user_data HB_UNUSED) { - const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data; + const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data; + const hb_ot_face_t *ot_face = ot_font->ot_face; const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx; if (vmtx.has_data ()) + { +#ifndef HB_NO_VAR + const OT::VVAR &VVAR = *vmtx.var_table; + const OT::VariationStore &varStore = &VVAR + VVAR.varStore; + OT::VariationStore::cache_t *varStore_cache = font->num_coords ? varStore.create_cache () : nullptr; +#else + OT::VariationStore::cache_t *varStore_cache = nullptr; +#endif + for (unsigned int i = 0; i < count; i++) { - *first_advance = font->em_scale_y (-(int) vmtx.get_advance (*first_glyph, font)); + *first_advance = font->em_scale_y (-(int) vmtx.get_advance_with_var_unscaled (*first_glyph, font, varStore_cache)); first_glyph = &StructAtOffsetUnaligned (first_glyph, glyph_stride); first_advance = &StructAtOffsetUnaligned (first_advance, advance_stride); } + +#ifndef HB_NO_VAR + OT::VariationStore::destroy_cache (varStore_cache); +#endif + } else { hb_font_extents_t font_extents; @@ -163,24 +287,36 @@ hb_ot_get_glyph_v_origin (hb_font_t *font, hb_position_t *y, void *user_data HB_UNUSED) { - const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data; + const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data; + const hb_ot_face_t *ot_face = ot_font->ot_face; *x = font->get_glyph_h_advance (glyph) / 2; const OT::VORG &VORG = *ot_face->VORG; if (VORG.has_data ()) { - *y = font->em_scale_y (VORG.get_y_origin (glyph)); + float delta = 0; + +#ifndef HB_NO_VAR + const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx; + const OT::VVAR &VVAR = *vmtx.var_table; + if (font->num_coords) + VVAR.get_vorg_delta_unscaled (glyph, + font->coords, font->num_coords, + &delta); +#endif + + *y = font->em_scalef_y (VORG.get_y_origin (glyph) + delta); return true; } hb_glyph_extents_t extents = {0}; if (ot_face->glyf->get_extents (font, glyph, &extents)) { - if (ot_face->vmtx->has_data ()) + const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx; + int tsb = 0; + if (vmtx.get_leading_bearing_with_var_unscaled (font, glyph, &tsb)) { - const OT::vmtx_accelerator_t &vmtx = *ot_face->vmtx; - hb_position_t tsb = vmtx.get_side_bearing (font, glyph); *y = extents.y_bearing + font->em_scale_y (tsb); return true; } @@ -208,21 +344,22 @@ hb_ot_get_glyph_extents (hb_font_t *font, hb_glyph_extents_t *extents, void *user_data HB_UNUSED) { - const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data; + const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data; + const hb_ot_face_t *ot_face = ot_font->ot_face; #if !defined(HB_NO_OT_FONT_BITMAP) && !defined(HB_NO_COLOR) if (ot_face->sbix->get_extents (font, glyph, extents)) return true; + if (ot_face->CBDT->get_extents (font, glyph, extents)) return true; +#endif +#if !defined(HB_NO_COLOR) + if (ot_face->COLR->get_extents (font, glyph, extents)) return true; #endif if (ot_face->glyf->get_extents (font, glyph, extents)) return true; #ifndef HB_NO_OT_FONT_CFF if (ot_face->cff1->get_extents (font, glyph, extents)) return true; if (ot_face->cff2->get_extents (font, glyph, extents)) return true; #endif -#if !defined(HB_NO_OT_FONT_BITMAP) && !defined(HB_NO_COLOR) - if (ot_face->CBDT->get_extents (font, glyph, extents)) return true; -#endif - // TODO Hook up side-bearings variations. return false; } @@ -234,7 +371,9 @@ hb_ot_get_glyph_name (hb_font_t *font HB_UNUSED, char *name, unsigned int size, void *user_data HB_UNUSED) { - const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data; + const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data; + const hb_ot_face_t *ot_face = ot_font->ot_face; + if (ot_face->post->get_glyph_name (glyph, name, size)) return true; #ifndef HB_NO_OT_FONT_CFF if (ot_face->cff1->get_glyph_name (glyph, name, size)) return true; @@ -248,7 +387,9 @@ hb_ot_get_glyph_from_name (hb_font_t *font HB_UNUSED, hb_codepoint_t *glyph, void *user_data HB_UNUSED) { - const hb_ot_face_t *ot_face = (const hb_ot_face_t *) font_data; + const hb_ot_font_t *ot_font = (const hb_ot_font_t *) font_data; + const hb_ot_face_t *ot_face = ot_font->ot_face; + if (ot_face->post->get_glyph_from_name (name, len, glyph)) return true; #ifndef HB_NO_OT_FONT_CFF if (ot_face->cff1->get_glyph_from_name (name, len, glyph)) return true; @@ -364,23 +505,28 @@ _hb_ot_get_font_funcs () void hb_ot_font_set_funcs (hb_font_t *font) { + hb_ot_font_t *ot_font = _hb_ot_font_create (font); + if (unlikely (!ot_font)) + return; + hb_font_set_funcs (font, _hb_ot_get_font_funcs (), - &font->face->table, - nullptr); + ot_font, + _hb_ot_font_destroy); } #ifndef HB_NO_VAR -int -_glyf_get_side_bearing_var (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical) +bool +_glyf_get_leading_bearing_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical, + int *lsb) { - return font->face->table.glyf->get_side_bearing_var (font, glyph, is_vertical); + return font->face->table.glyf->get_leading_bearing_with_var_unscaled (font, glyph, is_vertical, lsb); } unsigned -_glyf_get_advance_var (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical) +_glyf_get_advance_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical) { - return font->face->table.glyf->get_advance_var (font, glyph, is_vertical); + return font->face->table.glyf->get_advance_with_var_unscaled (font, glyph, is_vertical); } #endif diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-glyf-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-glyf-table.hh index b4ac688344..c32ff7636d 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-glyf-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-glyf-table.hh @@ -30,1332 +30,6 @@ #ifndef HB_OT_GLYF_TABLE_HH #define HB_OT_GLYF_TABLE_HH -#include "hb-open-type.hh" -#include "hb-ot-head-table.hh" -#include "hb-ot-hmtx-table.hh" -#include "hb-ot-var-gvar-table.hh" -#include "hb-draw.hh" - -namespace OT { - - -/* - * loca -- Index to Location - * https://docs.microsoft.com/en-us/typography/opentype/spec/loca - */ -#define HB_OT_TAG_loca HB_TAG('l','o','c','a') - -#ifndef HB_MAX_COMPOSITE_OPERATIONS -#define HB_MAX_COMPOSITE_OPERATIONS 100000 -#endif - - -struct loca -{ - friend struct glyf; - - static constexpr hb_tag_t tableTag = HB_OT_TAG_loca; - - bool sanitize (hb_sanitize_context_t *c HB_UNUSED) const - { - TRACE_SANITIZE (this); - return_trace (true); - } - - protected: - UnsizedArrayOf - dataZ; /* Location data. */ - public: - DEFINE_SIZE_MIN (0); /* In reality, this is UNBOUNDED() type; but since we always - * check the size externally, allow Null() object of it by - * defining it _MIN instead. */ -}; - - -/* - * glyf -- TrueType Glyph Data - * https://docs.microsoft.com/en-us/typography/opentype/spec/glyf - */ -#define HB_OT_TAG_glyf HB_TAG('g','l','y','f') - - -struct glyf -{ - static constexpr hb_tag_t tableTag = HB_OT_TAG_glyf; - - bool sanitize (hb_sanitize_context_t *c HB_UNUSED) const - { - TRACE_SANITIZE (this); - /* Runtime checks as eager sanitizing each glyph is costy */ - return_trace (true); - } - - template - static bool - _add_loca_and_head (hb_subset_plan_t * plan, Iterator padded_offsets, bool use_short_loca) - { - unsigned num_offsets = padded_offsets.len () + 1; - unsigned entry_size = use_short_loca ? 2 : 4; - char *loca_prime_data = (char *) hb_calloc (entry_size, num_offsets); - - if (unlikely (!loca_prime_data)) return false; - - DEBUG_MSG (SUBSET, nullptr, "loca entry_size %d num_offsets %d size %d", - entry_size, num_offsets, entry_size * num_offsets); - - if (use_short_loca) - _write_loca (padded_offsets, 1, hb_array ((HBUINT16 *) loca_prime_data, num_offsets)); - else - _write_loca (padded_offsets, 0, hb_array ((HBUINT32 *) loca_prime_data, num_offsets)); - - hb_blob_t *loca_blob = hb_blob_create (loca_prime_data, - entry_size * num_offsets, - HB_MEMORY_MODE_WRITABLE, - loca_prime_data, - hb_free); - - bool result = plan->add_table (HB_OT_TAG_loca, loca_blob) - && _add_head_and_set_loca_version (plan, use_short_loca); - - hb_blob_destroy (loca_blob); - return result; - } - - template - static void - _write_loca (IteratorIn it, unsigned right_shift, IteratorOut dest) - { - unsigned int offset = 0; - dest << 0; - + it - | hb_map ([=, &offset] (unsigned int padded_size) - { - offset += padded_size; - DEBUG_MSG (SUBSET, nullptr, "loca entry offset %d", offset); - return offset >> right_shift; - }) - | hb_sink (dest) - ; - } - - /* requires source of SubsetGlyph complains the identifier isn't declared */ - template - bool serialize (hb_serialize_context_t *c, - Iterator it, - bool use_short_loca, - const hb_subset_plan_t *plan) - { - TRACE_SERIALIZE (this); - unsigned init_len = c->length (); - for (const auto &_ : it) _.serialize (c, use_short_loca, plan); - - /* As a special case when all glyph in the font are empty, add a zero byte - * to the table, so that OTS doesn’t reject it, and to make the table work - * on Windows as well. - * See https://github.com/khaledhosny/ots/issues/52 */ - if (init_len == c->length ()) - { - HBUINT8 empty_byte; - empty_byte = 0; - c->copy (empty_byte); - } - return_trace (true); - } - - /* Byte region(s) per glyph to output - unpadded, hints removed if so requested - If we fail to process a glyph we produce an empty (0-length) glyph */ - bool subset (hb_subset_context_t *c) const - { - TRACE_SUBSET (this); - - glyf *glyf_prime = c->serializer->start_embed (); - if (unlikely (!c->serializer->check_success (glyf_prime))) return_trace (false); - - hb_vector_t glyphs; - _populate_subset_glyphs (c->plan, &glyphs); - - auto padded_offsets = - + hb_iter (glyphs) - | hb_map (&SubsetGlyph::padded_size) - ; - - unsigned max_offset = + padded_offsets | hb_reduce (hb_add, 0); - bool use_short_loca = max_offset < 0x1FFFF; - - - glyf_prime->serialize (c->serializer, hb_iter (glyphs), use_short_loca, c->plan); - if (!use_short_loca) { - padded_offsets = - + hb_iter (glyphs) - | hb_map (&SubsetGlyph::length) - ; - } - - - if (unlikely (c->serializer->in_error ())) return_trace (false); - return_trace (c->serializer->check_success (_add_loca_and_head (c->plan, - padded_offsets, - use_short_loca))); - } - - template - void - _populate_subset_glyphs (const hb_subset_plan_t *plan, - hb_vector_t *glyphs /* OUT */) const - { - OT::glyf::accelerator_t glyf (plan->source); - - + hb_range (plan->num_output_glyphs ()) - | hb_map ([&] (hb_codepoint_t new_gid) - { - SubsetGlyph subset_glyph = {0}; - subset_glyph.new_gid = new_gid; - - /* should never fail: all old gids should be mapped */ - if (!plan->old_gid_for_new_gid (new_gid, &subset_glyph.old_gid)) - return subset_glyph; - - if (new_gid == 0 && - !(plan->flags & HB_SUBSET_FLAGS_NOTDEF_OUTLINE)) - subset_glyph.source_glyph = Glyph (); - else - subset_glyph.source_glyph = glyf.glyph_for_gid (subset_glyph.old_gid, true); - if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING) - subset_glyph.drop_hints_bytes (); - else - subset_glyph.dest_start = subset_glyph.source_glyph.get_bytes (); - return subset_glyph; - }) - | hb_sink (glyphs) - ; - } - - static bool - _add_head_and_set_loca_version (hb_subset_plan_t *plan, bool use_short_loca) - { - hb_blob_t *head_blob = hb_sanitize_context_t ().reference_table (plan->source); - hb_blob_t *head_prime_blob = hb_blob_copy_writable_or_fail (head_blob); - hb_blob_destroy (head_blob); - - if (unlikely (!head_prime_blob)) - return false; - - head *head_prime = (head *) hb_blob_get_data_writable (head_prime_blob, nullptr); - head_prime->indexToLocFormat = use_short_loca ? 0 : 1; - bool success = plan->add_table (HB_OT_TAG_head, head_prime_blob); - - hb_blob_destroy (head_prime_blob); - return success; - } - - struct CompositeGlyphChain - { - protected: - enum composite_glyph_flag_t - { - ARG_1_AND_2_ARE_WORDS = 0x0001, - ARGS_ARE_XY_VALUES = 0x0002, - ROUND_XY_TO_GRID = 0x0004, - WE_HAVE_A_SCALE = 0x0008, - MORE_COMPONENTS = 0x0020, - WE_HAVE_AN_X_AND_Y_SCALE = 0x0040, - WE_HAVE_A_TWO_BY_TWO = 0x0080, - WE_HAVE_INSTRUCTIONS = 0x0100, - USE_MY_METRICS = 0x0200, - OVERLAP_COMPOUND = 0x0400, - SCALED_COMPONENT_OFFSET = 0x0800, - UNSCALED_COMPONENT_OFFSET = 0x1000 - }; - - public: - unsigned int get_size () const - { - unsigned int size = min_size; - /* arg1 and 2 are int16 */ - if (flags & ARG_1_AND_2_ARE_WORDS) size += 4; - /* arg1 and 2 are int8 */ - else size += 2; - - /* One x 16 bit (scale) */ - if (flags & WE_HAVE_A_SCALE) size += 2; - /* Two x 16 bit (xscale, yscale) */ - else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) size += 4; - /* Four x 16 bit (xscale, scale01, scale10, yscale) */ - else if (flags & WE_HAVE_A_TWO_BY_TWO) size += 8; - - return size; - } - - void set_glyph_index (hb_codepoint_t new_gid) { glyphIndex = new_gid; } - hb_codepoint_t get_glyph_index () const { return glyphIndex; } - - void drop_instructions_flag () { flags = (uint16_t) flags & ~WE_HAVE_INSTRUCTIONS; } - void set_overlaps_flag () - { - flags = (uint16_t) flags | OVERLAP_COMPOUND; - } - - bool has_instructions () const { return flags & WE_HAVE_INSTRUCTIONS; } - - bool has_more () const { return flags & MORE_COMPONENTS; } - bool is_use_my_metrics () const { return flags & USE_MY_METRICS; } - bool is_anchored () const { return !(flags & ARGS_ARE_XY_VALUES); } - void get_anchor_points (unsigned int &point1, unsigned int &point2) const - { - const HBUINT8 *p = &StructAfter (glyphIndex); - if (flags & ARG_1_AND_2_ARE_WORDS) - { - point1 = ((const HBUINT16 *) p)[0]; - point2 = ((const HBUINT16 *) p)[1]; - } - else - { - point1 = p[0]; - point2 = p[1]; - } - } - - void transform_points (contour_point_vector_t &points) const - { - float matrix[4]; - contour_point_t trans; - if (get_transformation (matrix, trans)) - { - if (scaled_offsets ()) - { - points.translate (trans); - points.transform (matrix); - } - else - { - points.transform (matrix); - points.translate (trans); - } - } - } - - protected: - bool scaled_offsets () const - { return (flags & (SCALED_COMPONENT_OFFSET | UNSCALED_COMPONENT_OFFSET)) == SCALED_COMPONENT_OFFSET; } - - bool get_transformation (float (&matrix)[4], contour_point_t &trans) const - { - matrix[0] = matrix[3] = 1.f; - matrix[1] = matrix[2] = 0.f; - - int tx, ty; - const HBINT8 *p = &StructAfter (glyphIndex); - if (flags & ARG_1_AND_2_ARE_WORDS) - { - tx = *(const HBINT16 *) p; - p += HBINT16::static_size; - ty = *(const HBINT16 *) p; - p += HBINT16::static_size; - } - else - { - tx = *p++; - ty = *p++; - } - if (is_anchored ()) tx = ty = 0; - - trans.init ((float) tx, (float) ty); - - { - const F2DOT14 *points = (const F2DOT14 *) p; - if (flags & WE_HAVE_A_SCALE) - { - matrix[0] = matrix[3] = points[0].to_float (); - return true; - } - else if (flags & WE_HAVE_AN_X_AND_Y_SCALE) - { - matrix[0] = points[0].to_float (); - matrix[3] = points[1].to_float (); - return true; - } - else if (flags & WE_HAVE_A_TWO_BY_TWO) - { - matrix[0] = points[0].to_float (); - matrix[1] = points[1].to_float (); - matrix[2] = points[2].to_float (); - matrix[3] = points[3].to_float (); - return true; - } - } - return tx || ty; - } - - protected: - HBUINT16 flags; - HBGlyphID16 glyphIndex; - public: - DEFINE_SIZE_MIN (4); - }; - - struct composite_iter_t : hb_iter_with_fallback_t - { - typedef const CompositeGlyphChain *__item_t__; - composite_iter_t (hb_bytes_t glyph_, __item_t__ current_) : - glyph (glyph_), current (nullptr), current_size (0) - { - set_next (current_); - } - - composite_iter_t () : glyph (hb_bytes_t ()), current (nullptr), current_size (0) {} - - const CompositeGlyphChain &__item__ () const { return *current; } - bool __more__ () const { return current; } - void __next__ () - { - if (!current->has_more ()) { current = nullptr; return; } - - set_next (&StructAtOffset (current, current_size)); - } - bool operator != (const composite_iter_t& o) const - { return glyph != o.glyph || current != o.current; } - - - void set_next (const CompositeGlyphChain *composite) - { - if (!glyph.check_range (composite, CompositeGlyphChain::min_size)) - { - current = nullptr; - current_size = 0; - return; - } - unsigned size = composite->get_size (); - if (!glyph.check_range (composite, size)) - { - current = nullptr; - current_size = 0; - return; - } - - current = composite; - current_size = size; - } - - private: - hb_bytes_t glyph; - __item_t__ current; - unsigned current_size; - }; - - enum phantom_point_index_t - { - PHANTOM_LEFT = 0, - PHANTOM_RIGHT = 1, - PHANTOM_TOP = 2, - PHANTOM_BOTTOM = 3, - PHANTOM_COUNT = 4 - }; - - struct accelerator_t; - - struct Glyph - { - enum simple_glyph_flag_t - { - FLAG_ON_CURVE = 0x01, - FLAG_X_SHORT = 0x02, - FLAG_Y_SHORT = 0x04, - FLAG_REPEAT = 0x08, - FLAG_X_SAME = 0x10, - FLAG_Y_SAME = 0x20, - FLAG_OVERLAP_SIMPLE = 0x40, - FLAG_RESERVED2 = 0x80 - }; - - private: - struct GlyphHeader - { - bool has_data () const { return numberOfContours; } - - bool get_extents (hb_font_t *font, const accelerator_t &glyf_accelerator, - hb_codepoint_t gid, hb_glyph_extents_t *extents) const - { - /* Undocumented rasterizer behavior: shift glyph to the left by (lsb - xMin), i.e., xMin = lsb */ - /* extents->x_bearing = hb_min (glyph_header.xMin, glyph_header.xMax); */ - extents->x_bearing = font->em_scale_x (glyf_accelerator.hmtx->get_side_bearing (gid)); - extents->y_bearing = font->em_scale_y (hb_max (yMin, yMax)); - extents->width = font->em_scale_x (hb_max (xMin, xMax) - hb_min (xMin, xMax)); - extents->height = font->em_scale_y (hb_min (yMin, yMax) - hb_max (yMin, yMax)); - - return true; - } - - HBINT16 numberOfContours; - /* If the number of contours is - * greater than or equal to zero, - * this is a simple glyph; if negative, - * this is a composite glyph. */ - FWORD xMin; /* Minimum x for coordinate data. */ - FWORD yMin; /* Minimum y for coordinate data. */ - FWORD xMax; /* Maximum x for coordinate data. */ - FWORD yMax; /* Maximum y for coordinate data. */ - public: - DEFINE_SIZE_STATIC (10); - }; - - struct SimpleGlyph - { - const GlyphHeader &header; - hb_bytes_t bytes; - SimpleGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) : - header (header_), bytes (bytes_) {} - - unsigned int instruction_len_offset () const - { return GlyphHeader::static_size + 2 * header.numberOfContours; } - - unsigned int length (unsigned int instruction_len) const - { return instruction_len_offset () + 2 + instruction_len; } - - unsigned int instructions_length () const - { - unsigned int instruction_length_offset = instruction_len_offset (); - if (unlikely (instruction_length_offset + 2 > bytes.length)) return 0; - - const HBUINT16 &instructionLength = StructAtOffset (&bytes, instruction_length_offset); - /* Out of bounds of the current glyph */ - if (unlikely (length (instructionLength) > bytes.length)) return 0; - return instructionLength; - } - - const Glyph trim_padding () const - { - /* based on FontTools _g_l_y_f.py::trim */ - const uint8_t *glyph = (uint8_t*) bytes.arrayZ; - const uint8_t *glyph_end = glyph + bytes.length; - /* simple glyph w/contours, possibly trimmable */ - glyph += instruction_len_offset (); - - if (unlikely (glyph + 2 >= glyph_end)) return Glyph (); - unsigned int num_coordinates = StructAtOffset (glyph - 2, 0) + 1; - unsigned int num_instructions = StructAtOffset (glyph, 0); - - glyph += 2 + num_instructions; - - unsigned int coord_bytes = 0; - unsigned int coords_with_flags = 0; - while (glyph < glyph_end) - { - uint8_t flag = *glyph; - glyph++; - - unsigned int repeat = 1; - if (flag & FLAG_REPEAT) - { - if (unlikely (glyph >= glyph_end)) return Glyph (); - repeat = *glyph + 1; - glyph++; - } - - unsigned int xBytes, yBytes; - xBytes = yBytes = 0; - if (flag & FLAG_X_SHORT) xBytes = 1; - else if ((flag & FLAG_X_SAME) == 0) xBytes = 2; - - if (flag & FLAG_Y_SHORT) yBytes = 1; - else if ((flag & FLAG_Y_SAME) == 0) yBytes = 2; - - coord_bytes += (xBytes + yBytes) * repeat; - coords_with_flags += repeat; - if (coords_with_flags >= num_coordinates) break; - } - - if (unlikely (coords_with_flags != num_coordinates)) return Glyph (); - return Glyph (bytes.sub_array (0, bytes.length + coord_bytes - (glyph_end - glyph))); - } - - /* zero instruction length */ - void drop_hints () - { - GlyphHeader &glyph_header = const_cast (header); - (HBUINT16 &) StructAtOffset (&glyph_header, instruction_len_offset ()) = 0; - } - - void drop_hints_bytes (hb_bytes_t &dest_start, hb_bytes_t &dest_end) const - { - unsigned int instructions_len = instructions_length (); - unsigned int glyph_length = length (instructions_len); - dest_start = bytes.sub_array (0, glyph_length - instructions_len); - dest_end = bytes.sub_array (glyph_length, bytes.length - glyph_length); - } - - void set_overlaps_flag () - { - if (unlikely (!header.numberOfContours)) return; - - unsigned flags_offset = length (instructions_length ()); - if (unlikely (flags_offset + 1 > bytes.length)) return; - - HBUINT8 &first_flag = (HBUINT8 &) StructAtOffset (&bytes, flags_offset); - first_flag = (uint8_t) first_flag | FLAG_OVERLAP_SIMPLE; - } - - static bool read_points (const HBUINT8 *&p /* IN/OUT */, - contour_point_vector_t &points_ /* IN/OUT */, - const hb_bytes_t &bytes, - void (* setter) (contour_point_t &_, float v), - const simple_glyph_flag_t short_flag, - const simple_glyph_flag_t same_flag) - { - float v = 0; - for (unsigned i = 0; i < points_.length; i++) - { - uint8_t flag = points_[i].flag; - if (flag & short_flag) - { - if (unlikely (!bytes.check_range (p))) return false; - if (flag & same_flag) - v += *p++; - else - v -= *p++; - } - else - { - if (!(flag & same_flag)) - { - if (unlikely (!bytes.check_range ((const HBUINT16 *) p))) return false; - v += *(const HBINT16 *) p; - p += HBINT16::static_size; - } - } - setter (points_[i], v); - } - return true; - } - - bool get_contour_points (contour_point_vector_t &points_ /* OUT */, - bool phantom_only = false) const - { - const HBUINT16 *endPtsOfContours = &StructAfter (header); - int num_contours = header.numberOfContours; - if (unlikely (!bytes.check_range (&endPtsOfContours[num_contours + 1]))) return false; - unsigned int num_points = endPtsOfContours[num_contours - 1] + 1; - - points_.resize (num_points); - for (unsigned int i = 0; i < points_.length; i++) points_[i].init (); - if (phantom_only) return true; - - for (int i = 0; i < num_contours; i++) - points_[endPtsOfContours[i]].is_end_point = true; - - /* Skip instructions */ - const HBUINT8 *p = &StructAtOffset (&endPtsOfContours[num_contours + 1], - endPtsOfContours[num_contours]); - - /* Read flags */ - for (unsigned int i = 0; i < num_points; i++) - { - if (unlikely (!bytes.check_range (p))) return false; - uint8_t flag = *p++; - points_[i].flag = flag; - if (flag & FLAG_REPEAT) - { - if (unlikely (!bytes.check_range (p))) return false; - unsigned int repeat_count = *p++; - while ((repeat_count-- > 0) && (++i < num_points)) - points_[i].flag = flag; - } - } - - /* Read x & y coordinates */ - return read_points (p, points_, bytes, [] (contour_point_t &p, float v) { p.x = v; }, - FLAG_X_SHORT, FLAG_X_SAME) - && read_points (p, points_, bytes, [] (contour_point_t &p, float v) { p.y = v; }, - FLAG_Y_SHORT, FLAG_Y_SAME); - } - }; - - struct CompositeGlyph - { - const GlyphHeader &header; - hb_bytes_t bytes; - CompositeGlyph (const GlyphHeader &header_, hb_bytes_t bytes_) : - header (header_), bytes (bytes_) {} - - composite_iter_t get_iterator () const - { return composite_iter_t (bytes, &StructAfter (header)); } - - unsigned int instructions_length (hb_bytes_t bytes) const - { - unsigned int start = bytes.length; - unsigned int end = bytes.length; - const CompositeGlyphChain *last = nullptr; - for (auto &item : get_iterator ()) - last = &item; - if (unlikely (!last)) return 0; - - if (last->has_instructions ()) - start = (char *) last - &bytes + last->get_size (); - if (unlikely (start > end)) return 0; - return end - start; - } - - /* Trimming for composites not implemented. - * If removing hints it falls out of that. */ - const Glyph trim_padding () const { return Glyph (bytes); } - - void drop_hints () - { - for (const auto &_ : get_iterator ()) - const_cast (_).drop_instructions_flag (); - } - - /* Chop instructions off the end */ - void drop_hints_bytes (hb_bytes_t &dest_start) const - { dest_start = bytes.sub_array (0, bytes.length - instructions_length (bytes)); } - - void set_overlaps_flag () - { - const_cast (StructAfter (header)) - .set_overlaps_flag (); - } - }; - - enum glyph_type_t { EMPTY, SIMPLE, COMPOSITE }; - - public: - composite_iter_t get_composite_iterator () const - { - if (type != COMPOSITE) return composite_iter_t (); - return CompositeGlyph (*header, bytes).get_iterator (); - } - - const Glyph trim_padding () const - { - switch (type) { - case COMPOSITE: return CompositeGlyph (*header, bytes).trim_padding (); - case SIMPLE: return SimpleGlyph (*header, bytes).trim_padding (); - default: return bytes; - } - } - - void drop_hints () - { - switch (type) { - case COMPOSITE: CompositeGlyph (*header, bytes).drop_hints (); return; - case SIMPLE: SimpleGlyph (*header, bytes).drop_hints (); return; - default: return; - } - } - - void set_overlaps_flag () - { - switch (type) { - case COMPOSITE: CompositeGlyph (*header, bytes).set_overlaps_flag (); return; - case SIMPLE: SimpleGlyph (*header, bytes).set_overlaps_flag (); return; - default: return; - } - } - - void drop_hints_bytes (hb_bytes_t &dest_start, hb_bytes_t &dest_end) const - { - switch (type) { - case COMPOSITE: CompositeGlyph (*header, bytes).drop_hints_bytes (dest_start); return; - case SIMPLE: SimpleGlyph (*header, bytes).drop_hints_bytes (dest_start, dest_end); return; - default: return; - } - } - - /* Note: Recursively calls itself. - * all_points includes phantom points - */ - bool get_points (hb_font_t *font, const accelerator_t &glyf_accelerator, - contour_point_vector_t &all_points /* OUT */, - bool phantom_only = false, - unsigned int depth = 0) const - { - if (unlikely (depth > HB_MAX_NESTING_LEVEL)) return false; - contour_point_vector_t points; - - switch (type) { - case COMPOSITE: - { - /* pseudo component points for each component in composite glyph */ - unsigned num_points = hb_len (CompositeGlyph (*header, bytes).get_iterator ()); - if (unlikely (!points.resize (num_points))) return false; - for (unsigned i = 0; i < points.length; i++) - points[i].init (); - break; - } - case SIMPLE: - if (unlikely (!SimpleGlyph (*header, bytes).get_contour_points (points, phantom_only))) - return false; - break; - } - - /* Init phantom points */ - if (unlikely (!points.resize (points.length + PHANTOM_COUNT))) return false; - hb_array_t phantoms = points.sub_array (points.length - PHANTOM_COUNT, PHANTOM_COUNT); - { - for (unsigned i = 0; i < PHANTOM_COUNT; ++i) phantoms[i].init (); - int h_delta = (int) header->xMin - - glyf_accelerator.hmtx->get_side_bearing (gid); - int v_orig = (int) header->yMax + -#ifndef HB_NO_VERTICAL - glyf_accelerator.vmtx->get_side_bearing (gid) -#else - 0 -#endif - ; - unsigned h_adv = glyf_accelerator.hmtx->get_advance (gid); - unsigned v_adv = -#ifndef HB_NO_VERTICAL - glyf_accelerator.vmtx->get_advance (gid) -#else - - font->face->get_upem () -#endif - ; - phantoms[PHANTOM_LEFT].x = h_delta; - phantoms[PHANTOM_RIGHT].x = h_adv + h_delta; - phantoms[PHANTOM_TOP].y = v_orig; - phantoms[PHANTOM_BOTTOM].y = v_orig - (int) v_adv; - } - -#ifndef HB_NO_VAR - glyf_accelerator.gvar->apply_deltas_to_points (gid, font, points.as_array ()); -#endif - - switch (type) { - case SIMPLE: - all_points.extend (points.as_array ()); - break; - case COMPOSITE: - { - unsigned int comp_index = 0; - for (auto &item : get_composite_iterator ()) - { - contour_point_vector_t comp_points; - if (unlikely (!glyf_accelerator.glyph_for_gid (item.get_glyph_index ()) - .get_points (font, glyf_accelerator, comp_points, - phantom_only, depth + 1) - || comp_points.length < PHANTOM_COUNT)) - return false; - - /* Copy phantom points from component if USE_MY_METRICS flag set */ - if (item.is_use_my_metrics ()) - for (unsigned int i = 0; i < PHANTOM_COUNT; i++) - phantoms[i] = comp_points[comp_points.length - PHANTOM_COUNT + i]; - - /* Apply component transformation & translation */ - item.transform_points (comp_points); - - /* Apply translation from gvar */ - comp_points.translate (points[comp_index]); - - if (item.is_anchored ()) - { - unsigned int p1, p2; - item.get_anchor_points (p1, p2); - if (likely (p1 < all_points.length && p2 < comp_points.length)) - { - contour_point_t delta; - delta.init (all_points[p1].x - comp_points[p2].x, - all_points[p1].y - comp_points[p2].y); - - comp_points.translate (delta); - } - } - - all_points.extend (comp_points.sub_array (0, comp_points.length - PHANTOM_COUNT)); - - comp_index++; - } - - all_points.extend (phantoms); - } break; - default: - all_points.extend (phantoms); - } - - if (depth == 0) /* Apply at top level */ - { - /* Undocumented rasterizer behavior: - * Shift points horizontally by the updated left side bearing - */ - contour_point_t delta; - delta.init (-phantoms[PHANTOM_LEFT].x, 0.f); - if (delta.x) all_points.translate (delta); - } - - return true; - } - - bool get_extents (hb_font_t *font, const accelerator_t &glyf_accelerator, - hb_glyph_extents_t *extents) const - { - if (type == EMPTY) return true; /* Empty glyph; zero extents. */ - return header->get_extents (font, glyf_accelerator, gid, extents); - } - - hb_bytes_t get_bytes () const { return bytes; } - - Glyph (hb_bytes_t bytes_ = hb_bytes_t (), - hb_codepoint_t gid_ = (hb_codepoint_t) -1) : bytes (bytes_), gid (gid_), - header (bytes.as ()) - { - int num_contours = header->numberOfContours; - if (unlikely (num_contours == 0)) type = EMPTY; - else if (num_contours > 0) type = SIMPLE; - else type = COMPOSITE; /* negative numbers */ - } - - protected: - hb_bytes_t bytes; - hb_codepoint_t gid; - const GlyphHeader *header; - unsigned type; - }; - - struct accelerator_t - { - accelerator_t (hb_face_t *face) - { - short_offset = false; - num_glyphs = 0; - loca_table = nullptr; - glyf_table = nullptr; -#ifndef HB_NO_VAR - gvar = nullptr; -#endif - hmtx = nullptr; -#ifndef HB_NO_VERTICAL - vmtx = nullptr; -#endif - const OT::head &head = *face->table.head; - if (head.indexToLocFormat > 1 || head.glyphDataFormat > 0) - /* Unknown format. Leave num_glyphs=0, that takes care of disabling us. */ - return; - short_offset = 0 == head.indexToLocFormat; - - loca_table = face->table.loca.get_blob (); // Needs no destruct! - glyf_table = hb_sanitize_context_t ().reference_table (face); -#ifndef HB_NO_VAR - gvar = face->table.gvar; -#endif - hmtx = face->table.hmtx; -#ifndef HB_NO_VERTICAL - vmtx = face->table.vmtx; -#endif - - num_glyphs = hb_max (1u, loca_table.get_length () / (short_offset ? 2 : 4)) - 1; - num_glyphs = hb_min (num_glyphs, face->get_num_glyphs ()); - } - ~accelerator_t () - { - glyf_table.destroy (); - } - - protected: - template - bool get_points (hb_font_t *font, hb_codepoint_t gid, T consumer) const - { - if (gid >= num_glyphs) return false; - - /* Making this allocfree is not that easy - https://github.com/harfbuzz/harfbuzz/issues/2095 - mostly because of gvar handling in VF fonts, - perhaps a separate path for non-VF fonts can be considered */ - contour_point_vector_t all_points; - - bool phantom_only = !consumer.is_consuming_contour_points (); - if (unlikely (!glyph_for_gid (gid).get_points (font, *this, all_points, phantom_only))) - return false; - - if (consumer.is_consuming_contour_points ()) - { - for (unsigned point_index = 0; point_index + 4 < all_points.length; ++point_index) - consumer.consume_point (all_points[point_index]); - consumer.points_end (); - } - - /* Where to write phantoms, nullptr if not requested */ - contour_point_t *phantoms = consumer.get_phantoms_sink (); - if (phantoms) - for (unsigned i = 0; i < PHANTOM_COUNT; ++i) - phantoms[i] = all_points[all_points.length - PHANTOM_COUNT + i]; - - return true; - } - -#ifndef HB_NO_VAR - struct points_aggregator_t - { - hb_font_t *font; - hb_glyph_extents_t *extents; - contour_point_t *phantoms; - - struct contour_bounds_t - { - contour_bounds_t () { min_x = min_y = FLT_MAX; max_x = max_y = -FLT_MAX; } - - void add (const contour_point_t &p) - { - min_x = hb_min (min_x, p.x); - min_y = hb_min (min_y, p.y); - max_x = hb_max (max_x, p.x); - max_y = hb_max (max_y, p.y); - } - - bool empty () const { return (min_x >= max_x) || (min_y >= max_y); } - - void get_extents (hb_font_t *font, hb_glyph_extents_t *extents) - { - if (unlikely (empty ())) - { - extents->width = 0; - extents->x_bearing = 0; - extents->height = 0; - extents->y_bearing = 0; - return; - } - extents->x_bearing = font->em_scalef_x (min_x); - extents->width = font->em_scalef_x (max_x) - extents->x_bearing; - extents->y_bearing = font->em_scalef_y (max_y); - extents->height = font->em_scalef_y (min_y) - extents->y_bearing; - } - - protected: - float min_x, min_y, max_x, max_y; - } bounds; - - points_aggregator_t (hb_font_t *font_, hb_glyph_extents_t *extents_, contour_point_t *phantoms_) - { - font = font_; - extents = extents_; - phantoms = phantoms_; - if (extents) bounds = contour_bounds_t (); - } - - void consume_point (const contour_point_t &point) { bounds.add (point); } - void points_end () { bounds.get_extents (font, extents); } - - bool is_consuming_contour_points () { return extents; } - contour_point_t *get_phantoms_sink () { return phantoms; } - }; - - public: - unsigned - get_advance_var (hb_font_t *font, hb_codepoint_t gid, bool is_vertical) const - { - if (unlikely (gid >= num_glyphs)) return 0; - - bool success = false; - - contour_point_t phantoms[PHANTOM_COUNT]; - if (likely (font->num_coords == gvar->get_axis_count ())) - success = get_points (font, gid, points_aggregator_t (font, nullptr, phantoms)); - - if (unlikely (!success)) - return -#ifndef HB_NO_VERTICAL - is_vertical ? vmtx->get_advance (gid) : -#endif - hmtx->get_advance (gid); - - float result = is_vertical - ? phantoms[PHANTOM_TOP].y - phantoms[PHANTOM_BOTTOM].y - : phantoms[PHANTOM_RIGHT].x - phantoms[PHANTOM_LEFT].x; - return hb_clamp (roundf (result), 0.f, (float) UINT_MAX / 2); - } - - int get_side_bearing_var (hb_font_t *font, hb_codepoint_t gid, bool is_vertical) const - { - if (unlikely (gid >= num_glyphs)) return 0; - - hb_glyph_extents_t extents; - - contour_point_t phantoms[PHANTOM_COUNT]; - if (unlikely (!get_points (font, gid, points_aggregator_t (font, &extents, phantoms)))) - return -#ifndef HB_NO_VERTICAL - is_vertical ? vmtx->get_side_bearing (gid) : -#endif - hmtx->get_side_bearing (gid); - - return is_vertical - ? ceilf (phantoms[PHANTOM_TOP].y) - extents.y_bearing - : floorf (phantoms[PHANTOM_LEFT].x); - } -#endif - - public: - bool get_extents (hb_font_t *font, hb_codepoint_t gid, hb_glyph_extents_t *extents) const - { - if (unlikely (gid >= num_glyphs)) return false; - -#ifndef HB_NO_VAR - if (font->num_coords && font->num_coords == gvar->get_axis_count ()) - return get_points (font, gid, points_aggregator_t (font, extents, nullptr)); -#endif - return glyph_for_gid (gid).get_extents (font, *this, extents); - } - - const Glyph - glyph_for_gid (hb_codepoint_t gid, bool needs_padding_removal = false) const - { - if (unlikely (gid >= num_glyphs)) return Glyph (); - - unsigned int start_offset, end_offset; - - if (short_offset) - { - const HBUINT16 *offsets = (const HBUINT16 *) loca_table->dataZ.arrayZ; - start_offset = 2 * offsets[gid]; - end_offset = 2 * offsets[gid + 1]; - } - else - { - const HBUINT32 *offsets = (const HBUINT32 *) loca_table->dataZ.arrayZ; - start_offset = offsets[gid]; - end_offset = offsets[gid + 1]; - } - - if (unlikely (start_offset > end_offset || end_offset > glyf_table.get_length ())) - return Glyph (); - - Glyph glyph (hb_bytes_t ((const char *) this->glyf_table + start_offset, - end_offset - start_offset), gid); - return needs_padding_removal ? glyph.trim_padding () : glyph; - } - - unsigned - add_gid_and_children (hb_codepoint_t gid, - hb_set_t *gids_to_retain, - unsigned depth = 0, - unsigned operation_count = 0) const - { - if (unlikely (depth++ > HB_MAX_NESTING_LEVEL)) return operation_count; - if (unlikely (operation_count++ > HB_MAX_COMPOSITE_OPERATIONS)) return operation_count; - /* Check if is already visited */ - if (gids_to_retain->has (gid)) return operation_count; - - gids_to_retain->add (gid); - - auto it = glyph_for_gid (gid).get_composite_iterator (); - while (it) - { - auto item = *(it++); - operation_count = - add_gid_and_children (item.get_glyph_index (), gids_to_retain, depth, operation_count); - } - - return operation_count; - } - - struct path_builder_t - { - hb_font_t *font; - hb_draw_session_t *draw_session; - - struct optional_point_t - { - optional_point_t () { has_data = false; } - optional_point_t (float x_, float y_) { x = x_; y = y_; has_data = true; } - - bool has_data; - float x; - float y; - - optional_point_t lerp (optional_point_t p, float t) - { return optional_point_t (x + t * (p.x - x), y + t * (p.y - y)); } - } first_oncurve, first_offcurve, last_offcurve; - - path_builder_t (hb_font_t *font_, hb_draw_session_t &draw_session_) - { - font = font_; - draw_session = &draw_session_; - first_oncurve = first_offcurve = last_offcurve = optional_point_t (); - } - - /* based on https://github.com/RazrFalcon/ttf-parser/blob/4f32821/src/glyf.rs#L287 - See also: - * https://developer.apple.com/fonts/TrueType-Reference-Manual/RM01/Chap1.html - * https://stackoverflow.com/a/20772557 */ - void consume_point (const contour_point_t &point) - { - bool is_on_curve = point.flag & Glyph::FLAG_ON_CURVE; - optional_point_t p (point.x, point.y); - if (!first_oncurve.has_data) - { - if (is_on_curve) - { - first_oncurve = p; - draw_session->move_to (font->em_fscalef_x (p.x), font->em_fscalef_y (p.y)); - } - else - { - if (first_offcurve.has_data) - { - optional_point_t mid = first_offcurve.lerp (p, .5f); - first_oncurve = mid; - last_offcurve = p; - draw_session->move_to (font->em_fscalef_x (mid.x), font->em_fscalef_y (mid.y)); - } - else - first_offcurve = p; - } - } - else - { - if (last_offcurve.has_data) - { - if (is_on_curve) - { - draw_session->quadratic_to (font->em_fscalef_x (last_offcurve.x), font->em_fscalef_y (last_offcurve.y), - font->em_fscalef_x (p.x), font->em_fscalef_y (p.y)); - last_offcurve = optional_point_t (); - } - else - { - optional_point_t mid = last_offcurve.lerp (p, .5f); - draw_session->quadratic_to (font->em_fscalef_x (last_offcurve.x), font->em_fscalef_y (last_offcurve.y), - font->em_fscalef_x (mid.x), font->em_fscalef_y (mid.y)); - last_offcurve = p; - } - } - else - { - if (is_on_curve) - draw_session->line_to (font->em_fscalef_x (p.x), font->em_fscalef_y (p.y)); - else - last_offcurve = p; - } - } - - if (point.is_end_point) - { - if (first_offcurve.has_data && last_offcurve.has_data) - { - optional_point_t mid = last_offcurve.lerp (first_offcurve, .5f); - draw_session->quadratic_to (font->em_fscalef_x (last_offcurve.x), font->em_fscalef_y (last_offcurve.y), - font->em_fscalef_x (mid.x), font->em_fscalef_y (mid.y)); - last_offcurve = optional_point_t (); - /* now check the rest */ - } - - if (first_offcurve.has_data && first_oncurve.has_data) - draw_session->quadratic_to (font->em_fscalef_x (first_offcurve.x), font->em_fscalef_y (first_offcurve.y), - font->em_fscalef_x (first_oncurve.x), font->em_fscalef_y (first_oncurve.y)); - else if (last_offcurve.has_data && first_oncurve.has_data) - draw_session->quadratic_to (font->em_fscalef_x (last_offcurve.x), font->em_fscalef_y (last_offcurve.y), - font->em_fscalef_x (first_oncurve.x), font->em_fscalef_y (first_oncurve.y)); - else if (first_oncurve.has_data) - draw_session->line_to (font->em_fscalef_x (first_oncurve.x), font->em_fscalef_y (first_oncurve.y)); - else if (first_offcurve.has_data) - { - float x = font->em_fscalef_x (first_offcurve.x), y = font->em_fscalef_x (first_offcurve.y); - draw_session->move_to (x, y); - draw_session->quadratic_to (x, y, x, y); - } - - /* Getting ready for the next contour */ - first_oncurve = first_offcurve = last_offcurve = optional_point_t (); - draw_session->close_path (); - } - } - void points_end () {} - - bool is_consuming_contour_points () { return true; } - contour_point_t *get_phantoms_sink () { return nullptr; } - }; - - bool - get_path (hb_font_t *font, hb_codepoint_t gid, hb_draw_session_t &draw_session) const - { return get_points (font, gid, path_builder_t (font, draw_session)); } - -#ifndef HB_NO_VAR - const gvar_accelerator_t *gvar; -#endif - const hmtx_accelerator_t *hmtx; -#ifndef HB_NO_VERTICAL - const vmtx_accelerator_t *vmtx; -#endif - - private: - bool short_offset; - unsigned int num_glyphs; - hb_blob_ptr_t loca_table; - hb_blob_ptr_t glyf_table; - }; - - struct SubsetGlyph - { - hb_codepoint_t new_gid; - hb_codepoint_t old_gid; - Glyph source_glyph; - hb_bytes_t dest_start; /* region of source_glyph to copy first */ - hb_bytes_t dest_end; /* region of source_glyph to copy second */ - - bool serialize (hb_serialize_context_t *c, - bool use_short_loca, - const hb_subset_plan_t *plan) const - { - TRACE_SERIALIZE (this); - - hb_bytes_t dest_glyph = dest_start.copy (c); - dest_glyph = hb_bytes_t (&dest_glyph, dest_glyph.length + dest_end.copy (c).length); - unsigned int pad_length = use_short_loca ? padding () : 0; - DEBUG_MSG (SUBSET, nullptr, "serialize %d byte glyph, width %d pad %d", dest_glyph.length, dest_glyph.length + pad_length, pad_length); - - HBUINT8 pad; - pad = 0; - while (pad_length > 0) - { - c->embed (pad); - pad_length--; - } - - if (unlikely (!dest_glyph.length)) return_trace (true); - - /* update components gids */ - for (auto &_ : Glyph (dest_glyph).get_composite_iterator ()) - { - hb_codepoint_t new_gid; - if (plan->new_gid_for_old_gid (_.get_glyph_index (), &new_gid)) - const_cast (_).set_glyph_index (new_gid); - } - - if (plan->flags & HB_SUBSET_FLAGS_NO_HINTING) - Glyph (dest_glyph).drop_hints (); - - if (plan->flags & HB_SUBSET_FLAGS_SET_OVERLAPS_FLAG) - Glyph (dest_glyph).set_overlaps_flag (); - - return_trace (true); - } - - void drop_hints_bytes () - { source_glyph.drop_hints_bytes (dest_start, dest_end); } - - unsigned int length () const { return dest_start.length + dest_end.length; } - /* pad to 2 to ensure 2-byte loca will be ok */ - unsigned int padding () const { return length () % 2; } - unsigned int padded_size () const { return length () + padding (); } - }; - - protected: - UnsizedArrayOf - dataZ; /* Glyphs data. */ - public: - DEFINE_SIZE_MIN (0); /* In reality, this is UNBOUNDED() type; but since we always - * check the size externally, allow Null() object of it by - * defining it _MIN instead. */ -}; - -struct glyf_accelerator_t : glyf::accelerator_t { - glyf_accelerator_t (hb_face_t *face) : glyf::accelerator_t (face) {} -}; - - -} /* namespace OT */ - +#include "OT/glyf/glyf.hh" #endif /* HB_OT_GLYF_TABLE_HH */ diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-hmtx-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-hmtx-table.hh index d5e1fc91d2..96a394ba42 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-hmtx-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-hmtx-table.hh @@ -43,11 +43,11 @@ #define HB_OT_TAG_vmtx HB_TAG('v','m','t','x') -HB_INTERNAL int -_glyf_get_side_bearing_var (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical); +HB_INTERNAL bool +_glyf_get_leading_bearing_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical, int *lsb); HB_INTERNAL unsigned -_glyf_get_advance_var (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical); +_glyf_get_advance_with_var_unscaled (hb_font_t *font, hb_codepoint_t glyph, bool is_vertical); namespace OT { @@ -62,7 +62,7 @@ struct LongMetric }; -template +template struct hmtxvmtx { bool sanitize (hb_sanitize_context_t *c HB_UNUSED) const @@ -73,6 +73,8 @@ struct hmtxvmtx return_trace (true); } + const hb_hashmap_t>* get_mtx_map (const hb_subset_plan_t *plan) const + { return T::is_horizontal ? plan->hmtx_map : plan->vmtx_map; } bool subset_update_header (hb_subset_plan_t *plan, unsigned int num_hmetrics) const @@ -130,14 +132,15 @@ struct hmtxvmtx accelerator_t _mtx (c->plan->source); unsigned num_long_metrics; + const hb_hashmap_t> *mtx_map = get_mtx_map (c->plan); { /* Determine num_long_metrics to encode. */ auto& plan = c->plan; + num_long_metrics = plan->num_output_glyphs (); - hb_codepoint_t old_gid = 0; - unsigned int last_advance = plan->old_gid_for_new_gid (num_long_metrics - 1, &old_gid) ? _mtx.get_advance (old_gid) : 0; + unsigned int last_advance = get_new_gid_advance_unscaled (plan, mtx_map, num_long_metrics - 1, _mtx); while (num_long_metrics > 1 && - last_advance == (plan->old_gid_for_new_gid (num_long_metrics - 2, &old_gid) ? _mtx.get_advance (old_gid) : 0)) + last_advance == get_new_gid_advance_unscaled (plan, mtx_map, num_long_metrics - 2, _mtx)) { num_long_metrics--; } @@ -145,12 +148,18 @@ struct hmtxvmtx auto it = + hb_range (c->plan->num_output_glyphs ()) - | hb_map ([c, &_mtx] (unsigned _) + | hb_map ([c, &_mtx, mtx_map] (unsigned _) { - hb_codepoint_t old_gid; - if (!c->plan->old_gid_for_new_gid (_, &old_gid)) - return hb_pair (0u, 0); - return hb_pair (_mtx.get_advance (old_gid), _mtx.get_side_bearing (old_gid)); + if (!mtx_map->has (_)) + { + hb_codepoint_t old_gid; + if (!c->plan->old_gid_for_new_gid (_, &old_gid)) + return hb_pair (0u, 0); + int lsb = 0; + (void) _mtx.get_leading_bearing_without_var_unscaled (old_gid, &lsb); + return hb_pair (_mtx.get_advance_without_var_unscaled (old_gid), +lsb); + } + return mtx_map->get (_); }) ; @@ -173,7 +182,7 @@ struct hmtxvmtx accelerator_t (hb_face_t *face) { table = hb_sanitize_context_t ().reference_table (face, T::tableTag); - var_table = hb_sanitize_context_t ().reference_table (face, T::variationsTag); + var_table = hb_sanitize_context_t ().reference_table (face, T::variationsTag); default_advance = T::is_horizontal ? hb_face_get_upem (face) / 2 : hb_face_get_upem (face); @@ -221,36 +230,46 @@ struct hmtxvmtx bool has_data () const { return (bool) num_bearings; } - int get_side_bearing (hb_codepoint_t glyph) const + bool get_leading_bearing_without_var_unscaled (hb_codepoint_t glyph, + int *lsb) const { if (glyph < num_long_metrics) - return table->longMetricZ[glyph].sb; + { + *lsb = table->longMetricZ[glyph].sb; + return true; + } if (unlikely (glyph >= num_bearings)) - return 0; + return false; const FWORD *bearings = (const FWORD *) &table->longMetricZ[num_long_metrics]; - return bearings[glyph - num_long_metrics]; + *lsb = bearings[glyph - num_long_metrics]; + return true; } - int get_side_bearing (hb_font_t *font, hb_codepoint_t glyph) const + bool get_leading_bearing_with_var_unscaled (hb_font_t *font, + hb_codepoint_t glyph, + int *lsb) const { - int side_bearing = get_side_bearing (glyph); + if (!font->num_coords) + return get_leading_bearing_without_var_unscaled (glyph, lsb); #ifndef HB_NO_VAR - if (unlikely (glyph >= num_bearings) || !font->num_coords) - return side_bearing; + float delta; + if (var_table->get_lsb_delta_unscaled (glyph, font->coords, font->num_coords, &delta) && + get_leading_bearing_without_var_unscaled (glyph, lsb)) + { + *lsb += roundf (delta); + return true; + } - if (var_table.get_length ()) - return side_bearing + var_table->get_side_bearing_var (glyph, font->coords, font->num_coords); // TODO Optimize?! - - return _glyf_get_side_bearing_var (font, glyph, T::tableTag == HB_OT_TAG_vmtx); + return _glyf_get_leading_bearing_with_var_unscaled (font, glyph, T::tableTag == HB_OT_TAG_vmtx, lsb); #else - return side_bearing; + return false; #endif } - unsigned int get_advance (hb_codepoint_t glyph) const + unsigned int get_advance_without_var_unscaled (hb_codepoint_t glyph) const { /* OpenType case. */ if (glyph < num_bearings) @@ -262,7 +281,7 @@ struct hmtxvmtx if (unlikely (!num_advances)) return default_advance; -#ifdef HB_NO_BORING_EXPANSION +#ifdef HB_NO_BEYOND_64K return 0; #endif @@ -275,7 +294,7 @@ struct hmtxvmtx /* TODO Optimize */ if (num_bearings == num_advances) - return get_advance (num_bearings - 1); + return get_advance_without_var_unscaled (num_bearings - 1); const FWORD *bearings = (const FWORD *) &table->longMetricZ[num_long_metrics]; const UFWORD *advances = (const UFWORD *) &bearings[num_bearings - num_long_metrics]; @@ -283,19 +302,22 @@ struct hmtxvmtx return advances[hb_min (glyph - num_bearings, num_advances - num_bearings - 1)]; } - unsigned int get_advance (hb_codepoint_t glyph, - hb_font_t *font) const + unsigned get_advance_with_var_unscaled (hb_codepoint_t glyph, + hb_font_t *font, + VariationStore::cache_t *store_cache = nullptr) const { - unsigned int advance = get_advance (glyph); + unsigned int advance = get_advance_without_var_unscaled (glyph); #ifndef HB_NO_VAR if (unlikely (glyph >= num_bearings) || !font->num_coords) return advance; if (var_table.get_length ()) - return advance + roundf (var_table->get_advance_var (glyph, font)); // TODO Optimize?! + return advance + roundf (var_table->get_advance_delta_unscaled (glyph, + font->coords, font->num_coords, + store_cache)); // TODO Optimize?! - return _glyf_get_advance_var (font, glyph, T::tableTag == HB_OT_TAG_vmtx); + return _glyf_get_advance_with_var_unscaled (font, glyph, T::tableTag == HB_OT_TAG_vmtx); #else return advance; #endif @@ -310,11 +332,29 @@ struct hmtxvmtx unsigned int default_advance; - private: + public: hb_blob_ptr_t table; - hb_blob_ptr_t var_table; + hb_blob_ptr_t var_table; }; + /* get advance: when no variations, call get_advance_without_var_unscaled. + * when there're variations, get advance value from mtx_map in subset_plan*/ + unsigned get_new_gid_advance_unscaled (const hb_subset_plan_t *plan, + const hb_hashmap_t> *mtx_map, + unsigned new_gid, + const accelerator_t &_mtx) const + { + if (mtx_map->is_empty () || + (new_gid == 0 && !mtx_map->has (new_gid))) + { + hb_codepoint_t old_gid = 0; + return plan->old_gid_for_new_gid (new_gid, &old_gid) ? + _mtx.get_advance_without_var_unscaled (old_gid) : 0; + } + else + { return mtx_map->get (new_gid).first; } + } + protected: UnsizedArrayOf longMetricZ; /* Paired advance width and leading @@ -345,12 +385,12 @@ struct hmtxvmtx DEFINE_SIZE_ARRAY (0, longMetricZ); }; -struct hmtx : hmtxvmtx { +struct hmtx : hmtxvmtx { static constexpr hb_tag_t tableTag = HB_OT_TAG_hmtx; static constexpr hb_tag_t variationsTag = HB_OT_TAG_HVAR; static constexpr bool is_horizontal = true; }; -struct vmtx : hmtxvmtx { +struct vmtx : hmtxvmtx { static constexpr hb_tag_t tableTag = HB_OT_TAG_vmtx; static constexpr hb_tag_t variationsTag = HB_OT_TAG_VVAR; static constexpr bool is_horizontal = false; diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-base-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-base-table.hh index 1b9dfcd3f5..8179e5acd5 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-base-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-base-table.hh @@ -49,7 +49,7 @@ struct BaseCoordFormat1 bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); - return_trace (likely (c->check_struct (this))); + return_trace (c->check_struct (this)); } protected: diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-common.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-common.hh index f2a58028e3..0f424f5aa6 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-common.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-layout-common.hh @@ -35,6 +35,14 @@ #include "hb-set.hh" #include "hb-bimap.hh" +#include "OT/Layout/Common/Coverage.hh" +#include "OT/Layout/types.hh" + +// TODO(garretrieger): cleanup these after migration. +using OT::Layout::Common::Coverage; +using OT::Layout::Common::RangeRecord; +using OT::Layout::SmallTypes; +using OT::Layout::MediumTypes; #ifndef HB_MAX_NESTING_LEVEL #define HB_MAX_NESTING_LEVEL 64 @@ -46,10 +54,10 @@ /* * The maximum number of times a lookup can be applied during shaping. * Used to limit the number of iterations of the closure algorithm. - * This must be larger than the number of times add_pause() is + * This must be larger than the number of times add_gsub_pause() is * called in a collect_features call of any shaper. */ -#define HB_CLOSURE_MAX_STAGES 32 +#define HB_CLOSURE_MAX_STAGES 12 #endif #ifndef HB_MAX_SCRIPTS @@ -64,10 +72,6 @@ #define HB_MAX_LANGSYS_FEATURE_COUNT 50000 #endif -#ifndef HB_MAX_FEATURES -#define HB_MAX_FEATURES 750 -#endif - #ifndef HB_MAX_FEATURE_INDICES #define HB_MAX_FEATURE_INDICES 1500 #endif @@ -79,30 +83,35 @@ namespace OT { - -#define NOT_COVERED ((unsigned int) -1) - - template -static inline void Coverage_serialize (hb_serialize_context_t *c, +static inline bool ClassDef_serialize (hb_serialize_context_t *c, Iterator it); -template -static inline void ClassDef_serialize (hb_serialize_context_t *c, - Iterator it); +static bool ClassDef_remap_and_serialize ( + hb_serialize_context_t *c, + const hb_set_t &klasses, + bool use_class_zero, + hb_sorted_vector_t> &glyph_and_klass, /* IN/OUT */ + hb_map_t *klass_map /*IN/OUT*/); -static void ClassDef_remap_and_serialize (hb_serialize_context_t *c, - const hb_map_t &gid_klass_map, - hb_sorted_vector_t &glyphs, - const hb_set_t &klasses, - bool use_class_zero, - hb_map_t *klass_map /*INOUT*/); +struct hb_collect_feature_substitutes_with_var_context_t +{ + const hb_map_t *axes_index_tag_map; + const hb_hashmap_t *axes_location; + hb_hashmap_t> *record_cond_idx_map; + hb_hashmap_t *feature_substitutes_map; + // not stored in subset_plan + hb_set_t *feature_indices; + bool apply; + unsigned cur_record_idx; + hb_hashmap_t, unsigned> *conditionset_map; +}; struct hb_prune_langsys_context_t { hb_prune_langsys_context_t (const void *table_, - hb_hashmap_t *script_langsys_map_, + hb_hashmap_t> *script_langsys_map_, const hb_map_t *duplicate_feature_map_, hb_set_t *new_collected_feature_indexes_) :table (table_), @@ -122,7 +131,7 @@ struct hb_prune_langsys_context_t public: const void *table; - hb_hashmap_t *script_langsys_map; + hb_hashmap_t> *script_langsys_map; const hb_map_t *duplicate_feature_map; hb_set_t *new_feature_indexes; @@ -162,26 +171,42 @@ struct hb_subset_layout_context_t : hb_subset_context_t *subset_context; const hb_tag_t table_tag; const hb_map_t *lookup_index_map; - const hb_hashmap_t *script_langsys_map; + const hb_hashmap_t> *script_langsys_map; const hb_map_t *feature_index_map; + const hb_hashmap_t *feature_substitutes_map; + hb_hashmap_t> *feature_record_cond_idx_map; + unsigned cur_script_index; + unsigned cur_feature_var_record_idx; hb_subset_layout_context_t (hb_subset_context_t *c_, - hb_tag_t tag_, - hb_map_t *lookup_map_, - hb_hashmap_t *script_langsys_map_, - hb_map_t *feature_index_map_) : + hb_tag_t tag_) : subset_context (c_), table_tag (tag_), - lookup_index_map (lookup_map_), - script_langsys_map (script_langsys_map_), - feature_index_map (feature_index_map_), cur_script_index (0xFFFFu), + cur_feature_var_record_idx (0u), script_count (0), langsys_count (0), feature_index_count (0), lookup_index_count (0) - {} + { + if (tag_ == HB_OT_TAG_GSUB) + { + lookup_index_map = c_->plan->gsub_lookups; + script_langsys_map = c_->plan->gsub_langsys; + feature_index_map = c_->plan->gsub_features; + feature_substitutes_map = c_->plan->gsub_feature_substitutes_map; + feature_record_cond_idx_map = c_->plan->user_axes_location->is_empty () ? nullptr : c_->plan->gsub_feature_record_cond_idx_map; + } + else + { + lookup_index_map = c_->plan->gpos_lookups; + script_langsys_map = c_->plan->gpos_langsys; + feature_index_map = c_->plan->gpos_features; + feature_substitutes_map = c_->plan->gpos_feature_substitutes_map; + feature_record_cond_idx_map = c_->plan->user_axes_location->is_empty () ? nullptr : c_->plan->gpos_feature_record_cond_idx_map; + } + } private: unsigned script_count; @@ -190,6 +215,7 @@ struct hb_subset_layout_context_t : unsigned lookup_index_count; }; +struct VariationStore; struct hb_collect_variation_indices_context_t : hb_dispatch_context_t { @@ -198,15 +224,27 @@ struct hb_collect_variation_indices_context_t : static return_t default_return_value () { return hb_empty_t (); } hb_set_t *layout_variation_indices; + hb_hashmap_t> *varidx_delta_map; + hb_font_t *font; + const VariationStore *var_store; const hb_set_t *glyph_set; const hb_map_t *gpos_lookups; + float *store_cache; hb_collect_variation_indices_context_t (hb_set_t *layout_variation_indices_, + hb_hashmap_t> *varidx_delta_map_, + hb_font_t *font_, + const VariationStore *var_store_, const hb_set_t *glyph_set_, - const hb_map_t *gpos_lookups_) : + const hb_map_t *gpos_lookups_, + float *store_cache_) : layout_variation_indices (layout_variation_indices_), + varidx_delta_map (varidx_delta_map_), + font (font_), + var_store (var_store_), glyph_set (glyph_set_), - gpos_lookups (gpos_lookups_) {} + gpos_lookups (gpos_lookups_), + store_cache (store_cache_) {} }; template @@ -315,6 +353,31 @@ struct subset_record_array_t const void *base; }; +template +struct subset_record_array_arg_t +{ + subset_record_array_arg_t (hb_subset_layout_context_t *c_, OutputArray* out_, + const void *base_, + Arg &&arg_) : subset_layout_context (c_), + out (out_), base (base_), arg (arg_) {} + + template + void + operator () (T&& record) + { + auto snap = subset_layout_context->subset_context->serializer->snapshot (); + bool ret = record.subset (subset_layout_context, base, arg); + if (!ret) subset_layout_context->subset_context->serializer->revert (snap); + else out->len++; + } + + private: + hb_subset_layout_context_t *subset_layout_context; + OutputArray *out; + const void *base; + Arg &&arg; +}; + /* * Helper to subset a RecordList/record array. Subsets each Record in the array and * discards the record if the subset operation returns false. @@ -326,6 +389,13 @@ struct operator () (hb_subset_layout_context_t *c, OutputArray* out, const void *base) const { return subset_record_array_t (c, out, base); } + + /* Variant with one extra argument passed to subset */ + template + subset_record_array_arg_t + operator () (hb_subset_layout_context_t *c, OutputArray* out, + const void *base, Arg &&arg) const + { return subset_record_array_arg_t (c, out, base, arg); } } HB_FUNCOBJ (subset_record_array); @@ -377,166 +447,6 @@ HB_FUNCOBJ (serialize_math_record_array); * Script, ScriptList, LangSys, Feature, FeatureList, Lookup, LookupList */ -struct Record_sanitize_closure_t { - hb_tag_t tag; - const void *list_base; -}; - -template -struct Record -{ - int cmp (hb_tag_t a) const { return tag.cmp (a); } - - bool subset (hb_subset_layout_context_t *c, const void *base) const - { - TRACE_SUBSET (this); - auto *out = c->subset_context->serializer->embed (this); - if (unlikely (!out)) return_trace (false); - bool ret = out->offset.serialize_subset (c->subset_context, offset, base, c, &tag); - return_trace (ret); - } - - bool sanitize (hb_sanitize_context_t *c, const void *base) const - { - TRACE_SANITIZE (this); - const Record_sanitize_closure_t closure = {tag, base}; - return_trace (c->check_struct (this) && offset.sanitize (c, base, &closure)); - } - - Tag tag; /* 4-byte Tag identifier */ - Offset16To - offset; /* Offset from beginning of object holding - * the Record */ - public: - DEFINE_SIZE_STATIC (6); -}; - -template -struct RecordArrayOf : SortedArray16Of> -{ - const Offset16To& get_offset (unsigned int i) const - { return (*this)[i].offset; } - Offset16To& get_offset (unsigned int i) - { return (*this)[i].offset; } - const Tag& get_tag (unsigned int i) const - { return (*this)[i].tag; } - unsigned int get_tags (unsigned int start_offset, - unsigned int *record_count /* IN/OUT */, - hb_tag_t *record_tags /* OUT */) const - { - if (record_count) - { - + this->sub_array (start_offset, record_count) - | hb_map (&Record::tag) - | hb_sink (hb_array (record_tags, *record_count)) - ; - } - return this->len; - } - bool find_index (hb_tag_t tag, unsigned int *index) const - { - return this->bfind (tag, index, HB_NOT_FOUND_STORE, Index::NOT_FOUND_INDEX); - } -}; - -template -struct RecordListOf : RecordArrayOf -{ - const Type& operator [] (unsigned int i) const - { return this+this->get_offset (i); } - - bool subset (hb_subset_context_t *c, - hb_subset_layout_context_t *l) const - { - TRACE_SUBSET (this); - auto *out = c->serializer->start_embed (*this); - if (unlikely (!c->serializer->extend_min (out))) return_trace (false); - - + this->iter () - | hb_apply (subset_record_array (l, out, this)) - ; - return_trace (true); - } - - bool sanitize (hb_sanitize_context_t *c) const - { - TRACE_SANITIZE (this); - return_trace (RecordArrayOf::sanitize (c, this)); - } -}; - -struct Feature; - -struct RecordListOfFeature : RecordListOf -{ - bool subset (hb_subset_context_t *c, - hb_subset_layout_context_t *l) const - { - TRACE_SUBSET (this); - auto *out = c->serializer->start_embed (*this); - if (unlikely (!out || !c->serializer->extend_min (out))) return_trace (false); - - unsigned count = this->len; - + hb_zip (*this, hb_range (count)) - | hb_filter (l->feature_index_map, hb_second) - | hb_map (hb_first) - | hb_apply (subset_record_array (l, out, this)) - ; - return_trace (true); - } -}; - -struct Script; -struct RecordListOfScript : RecordListOf