136 lines
5.2 KiB
C++
136 lines
5.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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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, Digia gives you certain additional
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** rights. These rights are described in the Digia 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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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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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#ifndef QPLATFORMFONTDATABASE_H
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#define QPLATFORMFONTDATABASE_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is part of the QPA API and is not meant to be used
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// in applications. Usage of this API may make your code
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// source and binary incompatible with future versions of Qt.
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//
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#include <QtCore/qconfig.h>
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#include <QtCore/QString>
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#include <QtCore/QStringList>
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#include <QtCore/QList>
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#include <QtCore/QHash>
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#include <QtGui/QFontDatabase>
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#include <QtGui/private/qfont_p.h>
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QT_BEGIN_NAMESPACE
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class QWritingSystemsPrivate;
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class Q_GUI_EXPORT QSupportedWritingSystems
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{
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public:
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QSupportedWritingSystems();
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QSupportedWritingSystems(const QSupportedWritingSystems &other);
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QSupportedWritingSystems &operator=(const QSupportedWritingSystems &other);
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~QSupportedWritingSystems();
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void setSupported(QFontDatabase::WritingSystem, bool supported = true);
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bool supported(QFontDatabase::WritingSystem) const;
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private:
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void detach();
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QWritingSystemsPrivate *d;
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friend Q_GUI_EXPORT bool operator==(const QSupportedWritingSystems &, const QSupportedWritingSystems &);
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friend Q_GUI_EXPORT bool operator!=(const QSupportedWritingSystems &, const QSupportedWritingSystems &);
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};
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Q_GUI_EXPORT bool operator==(const QSupportedWritingSystems &, const QSupportedWritingSystems &);
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Q_GUI_EXPORT bool operator!=(const QSupportedWritingSystems &, const QSupportedWritingSystems &);
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class QFontRequestPrivate;
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class QFontEngineMulti;
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class Q_GUI_EXPORT QPlatformFontDatabase
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{
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public:
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virtual ~QPlatformFontDatabase();
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virtual void populateFontDatabase();
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virtual void populateFamily(const QString &familyName);
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virtual void invalidate();
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virtual QFontEngineMulti *fontEngineMulti(QFontEngine *fontEngine, QChar::Script script);
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virtual QFontEngine *fontEngine(const QFontDef &fontDef, void *handle);
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virtual QStringList fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const;
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virtual QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName);
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virtual void releaseHandle(void *handle);
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virtual QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference);
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virtual QString fontDir() const;
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virtual QFont defaultFont() const;
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virtual QString resolveFontFamilyAlias(const QString &family) const;
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virtual bool fontsAlwaysScalable() const;
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virtual QList<int> standardSizes() const;
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// helper
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static QSupportedWritingSystems writingSystemsFromTrueTypeBits(quint32 unicodeRange[4], quint32 codePageRange[2]);
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//callback
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static void registerQPF2Font(const QByteArray &dataArray, void *handle);
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static void registerFont(const QString &familyname, const QString &stylename,
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const QString &foundryname, QFont::Weight weight,
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QFont::Style style, QFont::Stretch stretch, bool antialiased,
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bool scalable, int pixelSize, bool fixedPitch,
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const QSupportedWritingSystems &writingSystems, void *handle);
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static void registerFontFamily(const QString &familyName);
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static void registerAliasToFontFamily(const QString &familyName, const QString &alias);
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};
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QT_END_NAMESPACE
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#endif // QPLATFORMFONTDATABASE_H
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