467 lines
17 KiB
C++
467 lines
17 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <private/qt_mac_p.h>
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#include "qfontengine_p.h"
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#include <qfile.h>
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#include <qabstractfileengine.h>
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#include <stdlib.h>
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#include <qendian.h>
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#include <private/qfontengine_coretext_p.h>
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#include <private/qfontengine_mac_p.h>
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QT_BEGIN_NAMESPACE
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int qt_mac_pixelsize(const QFontDef &def, int dpi); //qfont_mac.cpp
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int qt_mac_pointsize(const QFontDef &def, int dpi); //qfont_mac.cpp
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#ifndef QT_MAC_USE_COCOA
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static void initWritingSystems(QtFontFamily *family, ATSFontRef atsFont)
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{
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ByteCount length = 0;
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if (ATSFontGetTable(atsFont, MAKE_TAG('O', 'S', '/', '2'), 0, 0, 0, &length) != noErr)
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return;
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QVarLengthArray<uchar> os2Table(length);
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if (length < 86
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|| ATSFontGetTable(atsFont, MAKE_TAG('O', 'S', '/', '2'), 0, length, os2Table.data(), &length) != noErr)
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return;
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// See also qfontdatabase_win.cpp, offsets taken from OS/2 table in the TrueType spec
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quint32 unicodeRange[4] = {
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qFromBigEndian<quint32>(os2Table.data() + 42),
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qFromBigEndian<quint32>(os2Table.data() + 46),
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qFromBigEndian<quint32>(os2Table.data() + 50),
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qFromBigEndian<quint32>(os2Table.data() + 54)
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};
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quint32 codePageRange[2] = { qFromBigEndian<quint32>(os2Table.data() + 78), qFromBigEndian<quint32>(os2Table.data() + 82) };
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QList<QFontDatabase::WritingSystem> systems = qt_determine_writing_systems_from_truetype_bits(unicodeRange, codePageRange);
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#if 0
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QCFString name;
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ATSFontGetName(atsFont, kATSOptionFlagsDefault, &name);
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qDebug() << systems.count() << "writing systems for" << QString(name);
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qDebug() << "first char" << hex << unicodeRange[0];
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for (int i = 0; i < systems.count(); ++i)
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qDebug() << QFontDatabase::writingSystemName(systems.at(i));
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#endif
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for (int i = 0; i < systems.count(); ++i)
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family->writingSystems[systems.at(i)] = QtFontFamily::Supported;
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}
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#endif
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static void initializeDb()
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{
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QFontDatabasePrivate *db = privateDb();
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if(!db || db->count)
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return;
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#if defined(QT_MAC_USE_COCOA) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
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if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_5) {
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QCFType<CTFontCollectionRef> collection = CTFontCollectionCreateFromAvailableFonts(0);
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if(!collection)
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return;
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QCFType<CFArrayRef> fonts = CTFontCollectionCreateMatchingFontDescriptors(collection);
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if(!fonts)
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return;
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QString foundry_name = "CoreText";
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const int numFonts = CFArrayGetCount(fonts);
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for(int i = 0; i < numFonts; ++i) {
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CTFontDescriptorRef font = (CTFontDescriptorRef)CFArrayGetValueAtIndex(fonts, i);
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QCFString family_name = (CFStringRef)CTFontDescriptorCopyAttribute(font, kCTFontFamilyNameAttribute);
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QtFontFamily *family = db->family(family_name, true);
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for(int ws = 1; ws < QFontDatabase::WritingSystemsCount; ++ws)
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family->writingSystems[ws] = QtFontFamily::Supported;
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QtFontFoundry *foundry = family->foundry(foundry_name, true);
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QtFontStyle::Key styleKey;
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if(QCFType<CFDictionaryRef> styles = (CFDictionaryRef)CTFontDescriptorCopyAttribute(font, kCTFontTraitsAttribute)) {
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if(CFNumberRef weight = (CFNumberRef)CFDictionaryGetValue(styles, kCTFontWeightTrait)) {
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Q_ASSERT(CFNumberIsFloatType(weight));
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double d;
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if(CFNumberGetValue(weight, kCFNumberDoubleType, &d)) {
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//qDebug() << "BOLD" << (QString)family_name << d;
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styleKey.weight = (d > 0.0) ? QFont::Bold : QFont::Normal;
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}
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}
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if(CFNumberRef italic = (CFNumberRef)CFDictionaryGetValue(styles, kCTFontSlantTrait)) {
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Q_ASSERT(CFNumberIsFloatType(italic));
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double d;
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if(CFNumberGetValue(italic, kCFNumberDoubleType, &d)) {
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//qDebug() << "ITALIC" << (QString)family_name << d;
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if (d > 0.0)
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styleKey.style = QFont::StyleItalic;
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}
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}
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}
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QtFontStyle *style = foundry->style(styleKey, true);
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style->smoothScalable = true;
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if(QCFType<CFNumberRef> size = (CFNumberRef)CTFontDescriptorCopyAttribute(font, kCTFontSizeAttribute)) {
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//qDebug() << "WHEE";
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int pixel_size=0;
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if(CFNumberIsFloatType(size)) {
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double d;
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CFNumberGetValue(size, kCFNumberDoubleType, &d);
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pixel_size = d;
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} else {
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CFNumberGetValue(size, kCFNumberIntType, &pixel_size);
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}
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//qDebug() << "SIZE" << (QString)family_name << pixel_size;
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if(pixel_size)
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style->pixelSize(pixel_size, true);
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} else {
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//qDebug() << "WTF?";
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}
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}
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} else
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#endif
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{
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#ifndef QT_MAC_USE_COCOA
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FMFontIterator it;
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if (!FMCreateFontIterator(0, 0, kFMUseGlobalScopeOption, &it)) {
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while (true) {
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FMFont fmFont;
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if (FMGetNextFont(&it, &fmFont) != noErr)
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break;
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FMFontFamily fmFamily;
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FMFontStyle fmStyle;
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QString familyName;
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QtFontStyle::Key styleKey;
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ATSFontRef atsFont = FMGetATSFontRefFromFont(fmFont);
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if (!FMGetFontFamilyInstanceFromFont(fmFont, &fmFamily, &fmStyle)) {
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{ //sanity check the font, and see if we can use it at all! --Sam
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ATSUFontID fontID;
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if(ATSUFONDtoFontID(fmFamily, 0, &fontID) != noErr)
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continue;
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}
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if (fmStyle & ::italic)
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styleKey.style = QFont::StyleItalic;
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if (fmStyle & ::bold)
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styleKey.weight = QFont::Bold;
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ATSFontFamilyRef familyRef = FMGetATSFontFamilyRefFromFontFamily(fmFamily);
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QCFString cfFamilyName;;
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ATSFontFamilyGetName(familyRef, kATSOptionFlagsDefault, &cfFamilyName);
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familyName = cfFamilyName;
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} else {
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QCFString cfFontName;
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ATSFontGetName(atsFont, kATSOptionFlagsDefault, &cfFontName);
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familyName = cfFontName;
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quint16 macStyle = 0;
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{
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uchar data[4];
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ByteCount len = 4;
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if (ATSFontGetTable(atsFont, MAKE_TAG('h', 'e', 'a', 'd'), 44, 4, &data, &len) == noErr)
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macStyle = qFromBigEndian<quint16>(data);
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}
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if (macStyle & 1)
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styleKey.weight = QFont::Bold;
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if (macStyle & 2)
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styleKey.style = QFont::StyleItalic;
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}
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QtFontFamily *family = db->family(familyName, true);
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QtFontFoundry *foundry = family->foundry(QString(), true);
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QtFontStyle *style = foundry->style(styleKey, true);
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style->pixelSize(0, true);
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style->smoothScalable = true;
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initWritingSystems(family, atsFont);
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}
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FMDisposeFontIterator(&it);
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}
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#endif
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}
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}
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static inline void load(const QString & = QString(), int = -1)
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{
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initializeDb();
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}
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static const char *styleHint(const QFontDef &request)
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{
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const char *stylehint = 0;
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switch (request.styleHint) {
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case QFont::SansSerif:
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stylehint = "Arial";
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break;
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case QFont::Serif:
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stylehint = "Times New Roman";
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break;
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case QFont::TypeWriter:
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stylehint = "Courier New";
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break;
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default:
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if (request.fixedPitch)
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stylehint = "Courier New";
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break;
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}
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return stylehint;
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}
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static inline float weightToFloat(unsigned int weight)
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{
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return (weight - 50) / 100.0;
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}
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void QFontDatabase::load(const QFontPrivate *d, int script)
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{
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// sanity checks
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if(!qApp)
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qWarning("QFont: Must construct a QApplication before a QFont");
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Q_ASSERT(script >= 0 && script < QUnicodeTables::ScriptCount);
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Q_UNUSED(script);
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QFontDef req = d->request;
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req.pixelSize = qt_mac_pixelsize(req, d->dpi);
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// set the point size to 0 to get better caching
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req.pointSize = 0;
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QFontCache::Key key = QFontCache::Key(req, QUnicodeTables::Common, d->screen);
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if(!(d->engineData = QFontCache::instance()->findEngineData(key))) {
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d->engineData = new QFontEngineData;
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QFontCache::instance()->insertEngineData(key, d->engineData);
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} else {
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d->engineData->ref.ref();
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}
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if(d->engineData->engine) // already loaded
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return;
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// set it to the actual pointsize, so QFontInfo will do the right thing
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req.pointSize = qRound(qt_mac_pointsize(d->request, d->dpi));
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QFontEngine *e = QFontCache::instance()->findEngine(key);
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if(!e && qt_enable_test_font && req.family == QLatin1String("__Qt__Box__Engine__")) {
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e = new QTestFontEngine(req.pixelSize);
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e->fontDef = req;
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}
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if(e) {
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e->ref.ref();
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d->engineData->engine = e;
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return; // the font info and fontdef should already be filled
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}
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//find the font
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QStringList family_list = familyList(req);
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const char *stylehint = styleHint(req);
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if (stylehint)
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family_list << QLatin1String(stylehint);
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// add QFont::defaultFamily() to the list, for compatibility with
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// previous versions
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family_list << QApplication::font().defaultFamily();
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#if defined(QT_MAC_USE_COCOA)
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QCFString fontName = NULL, familyName = NULL;
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#else
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ATSFontFamilyRef familyRef = 0;
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ATSFontRef fontRef = 0;
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#endif
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QMutexLocker locker(fontDatabaseMutex());
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QFontDatabasePrivate *db = privateDb();
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if (!db->count)
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initializeDb();
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for(int i = 0; i < family_list.size(); ++i) {
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for (int k = 0; k < db->count; ++k) {
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if (db->families[k]->name.compare(family_list.at(i), Qt::CaseInsensitive) == 0) {
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QByteArray family_name = db->families[k]->name.toUtf8();
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#if defined(QT_MAC_USE_COCOA)
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QCFType<CTFontRef> ctFont = CTFontCreateWithName(QCFString(db->families[k]->name), 12, NULL);
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if (ctFont) {
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fontName = CTFontCopyFullName(ctFont);
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familyName = CTFontCopyFamilyName(ctFont);
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goto FamilyFound;
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}
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#else
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familyRef = ATSFontFamilyFindFromName(QCFString(db->families[k]->name), kATSOptionFlagsDefault);
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if (familyRef) {
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fontRef = ATSFontFindFromName(QCFString(db->families[k]->name), kATSOptionFlagsDefault);
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goto FamilyFound;
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}
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#endif
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}
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}
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}
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FamilyFound:
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//fill in the engine's font definition
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QFontDef fontDef = d->request; //copy..
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if(fontDef.pointSize < 0)
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fontDef.pointSize = qt_mac_pointsize(fontDef, d->dpi);
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else
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fontDef.pixelSize = qt_mac_pixelsize(fontDef, d->dpi);
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#ifdef QT_MAC_USE_COCOA
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fontDef.family = familyName;
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QFontEngine *engine = new QCoreTextFontEngineMulti(fontName, fontDef, d->kerning);
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#else
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QCFString actualName;
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if (ATSFontFamilyGetName(familyRef, kATSOptionFlagsDefault, &actualName) == noErr)
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fontDef.family = actualName;
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QFontEngine *engine = new QFontEngineMacMulti(familyRef, fontRef, fontDef, d->kerning);
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#endif
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d->engineData->engine = engine;
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engine->ref.ref(); //a ref for the engineData->engine
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QFontCache::instance()->insertEngine(key, engine);
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}
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static void registerFont(QFontDatabasePrivate::ApplicationFont *fnt)
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{
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ATSFontContainerRef handle;
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OSStatus e = noErr;
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if(fnt->data.isEmpty()) {
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#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
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if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_5) {
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extern OSErr qt_mac_create_fsref(const QString &, FSRef *); // qglobal.cpp
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FSRef ref;
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if(qt_mac_create_fsref(fnt->fileName, &ref) != noErr)
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return;
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ATSFontActivateFromFileReference(&ref, kATSFontContextLocal, kATSFontFormatUnspecified, 0, kATSOptionFlagsDefault, &handle);
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} else
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#endif
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{
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#ifndef Q_WS_MAC64
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extern Q_CORE_EXPORT OSErr qt_mac_create_fsspec(const QString &, FSSpec *); // global.cpp
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FSSpec spec;
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if(qt_mac_create_fsspec(fnt->fileName, &spec) != noErr)
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return;
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e = ATSFontActivateFromFileSpecification(&spec, kATSFontContextLocal, kATSFontFormatUnspecified,
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0, kATSOptionFlagsDefault, &handle);
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#endif
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}
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} else {
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e = ATSFontActivateFromMemory((void *)fnt->data.constData(), fnt->data.size(), kATSFontContextLocal,
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kATSFontFormatUnspecified, 0, kATSOptionFlagsDefault, &handle);
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fnt->data = QByteArray();
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}
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if(e != noErr)
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return;
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ItemCount fontCount = 0;
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e = ATSFontFindFromContainer(handle, kATSOptionFlagsDefault, 0, 0, &fontCount);
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if(e != noErr)
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return;
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QVarLengthArray<ATSFontRef> containedFonts(fontCount);
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e = ATSFontFindFromContainer(handle, kATSOptionFlagsDefault, fontCount, containedFonts.data(), &fontCount);
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if(e != noErr)
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return;
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fnt->families.clear();
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#if defined(QT_MAC_USE_COCOA)
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// Make sure that the family name set on the font matches what
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// kCTFontFamilyNameAttribute returns in initializeDb().
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// So far the best solution seems find the installed font
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// using CoreText and get the family name from it.
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// (ATSFontFamilyGetName appears to be the correct API, but also
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// returns the font display name.)
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for(int i = 0; i < containedFonts.size(); ++i) {
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QCFString fontPostScriptName;
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ATSFontGetPostScriptName(containedFonts[i], kATSOptionFlagsDefault, &fontPostScriptName);
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QCFType<CTFontDescriptorRef> font = CTFontDescriptorCreateWithNameAndSize(fontPostScriptName, 14);
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QCFString familyName = (CFStringRef)CTFontDescriptorCopyAttribute(font, kCTFontFamilyNameAttribute);
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fnt->families.append(familyName);
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}
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#else
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for(int i = 0; i < containedFonts.size(); ++i) {
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QCFString family;
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ATSFontGetName(containedFonts[i], kATSOptionFlagsDefault, &family);
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fnt->families.append(family);
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}
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#endif
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fnt->handle = handle;
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}
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bool QFontDatabase::removeApplicationFont(int handle)
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{
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QMutexLocker locker(fontDatabaseMutex());
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QFontDatabasePrivate *db = privateDb();
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if(handle < 0 || handle >= db->applicationFonts.count())
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return false;
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OSStatus e = ATSFontDeactivate(db->applicationFonts.at(handle).handle,
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/*iRefCon=*/0, kATSOptionFlagsDefault);
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if(e != noErr)
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return false;
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db->applicationFonts[handle] = QFontDatabasePrivate::ApplicationFont();
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db->invalidate();
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return true;
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}
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bool QFontDatabase::removeAllApplicationFonts()
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{
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QMutexLocker locker(fontDatabaseMutex());
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QFontDatabasePrivate *db = privateDb();
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for(int i = 0; i < db->applicationFonts.count(); ++i) {
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if(!removeApplicationFont(i))
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return false;
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}
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return true;
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}
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bool QFontDatabase::supportsThreadedFontRendering()
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{
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return true;
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}
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QT_END_NAMESPACE
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