/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** GNU Lesser General Public License Usage ** This file may be used under the terms of the GNU Lesser General Public ** License version 2.1 as published by the Free Software Foundation and ** appearing in the file LICENSE.LGPL included in the packaging of this ** file. Please review the following information to ensure the GNU Lesser ** General Public License version 2.1 requirements will be met: ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU General ** Public License version 3.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of this ** file. Please review the following information to ensure the GNU General ** Public License version 3.0 requirements will be met: ** http://www.gnu.org/copyleft/gpl.html. ** ** Other Usage ** Alternatively, this file may be used in accordance with the terms and ** conditions contained in a signed written agreement between you and Nokia. ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QFONTENGINE_CORETEXT_P_H #define QFONTENGINE_CORETEXT_P_H #include #if !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5) QT_BEGIN_HEADER QT_BEGIN_NAMESPACE class QRawFontPrivate; class QCoreTextFontEngineMulti; class QCoreTextFontEngine : public QFontEngine { public: QCoreTextFontEngine(CTFontRef font, const QFontDef &def); QCoreTextFontEngine(CGFontRef font, const QFontDef &def); ~QCoreTextFontEngine(); virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const; virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const; virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs); virtual glyph_metrics_t boundingBox(glyph_t glyph); virtual QFixed ascent() const; virtual QFixed descent() const; virtual QFixed leading() const; virtual QFixed xHeight() const; virtual qreal maxCharWidth() const; virtual QFixed averageCharWidth() const; virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int numGlyphs, QPainterPath *path, QTextItem::RenderFlags); virtual const char *name() const { return "QCoreTextFontEngine"; } virtual bool canRender(const QChar *string, int len); virtual int synthesized() const { return synthesisFlags; } virtual bool supportsSubPixelPositions() const { return true; } virtual Type type() const { return QFontEngine::Mac; } void draw(CGContextRef ctx, qreal x, qreal y, const QTextItemInt &ti, int paintDeviceHeight); virtual FaceId faceId() const; virtual bool getSfntTableData(uint /*tag*/, uchar * /*buffer*/, uint * /*length*/) const; virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics); virtual QImage alphaMapForGlyph(glyph_t, QFixed subPixelPosition); virtual QImage alphaRGBMapForGlyph(glyph_t, QFixed subPixelPosition, int margin, const QTransform &t); virtual qreal minRightBearing() const; virtual qreal minLeftBearing() const; virtual QFixed emSquareSize() const; virtual QFontEngine *cloneWithSize(qreal pixelSize) const; private: friend class QRawFontPrivate; void init(); QImage imageForGlyph(glyph_t glyph, QFixed subPixelPosition, int margin, bool colorful); CTFontRef ctfont; CGFontRef cgFont; int synthesisFlags; CGAffineTransform transform; QFixed avgCharWidth; friend class QCoreTextFontEngineMulti; }; class QCoreTextFontEngineMulti : public QFontEngineMulti { public: QCoreTextFontEngineMulti(const QCFString &name, const QFontDef &fontDef, bool kerning); QCoreTextFontEngineMulti(CTFontRef ctFontRef, const QFontDef &fontDef, bool kerning); ~QCoreTextFontEngineMulti(); virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const; bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags, unsigned short *logClusters, const HB_CharAttributes *charAttributes, QScriptItem *si) const; virtual const char *name() const { return "CoreText"; } inline CTFontRef macFontID() const { return ctfont; } protected: virtual void loadEngine(int at); private: void init(bool kerning); inline const QCoreTextFontEngine *engineAt(int i) const { return static_cast(engines.at(i)); } uint fontIndexForFont(CTFontRef font) const; CTFontRef ctfont; mutable QCFType attributeDict; CGAffineTransform transform; friend class QFontDialogPrivate; }; CGAffineTransform qt_transform_from_fontdef(const QFontDef &fontDef); QT_END_NAMESPACE QT_END_HEADER #endif// !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5) #endif // QFONTENGINE_CORETEXT_P_H