diff options
Diffstat (limited to 'src/gui/text/qfontengine_p.h')
-rw-r--r-- | src/gui/text/qfontengine_p.h | 241 |
1 files changed, 28 insertions, 213 deletions
diff --git a/src/gui/text/qfontengine_p.h b/src/gui/text/qfontengine_p.h index c043929..8d81acb 100644 --- a/src/gui/text/qfontengine_p.h +++ b/src/gui/text/qfontengine_p.h @@ -117,9 +117,19 @@ public: // S60 types S60FontEngine, // Cannot be simply called "S60". Reason is qt_s60Data.h + DirectWrite, + TestFontEngine = 0x1000 }; + enum GlyphFormat { + Format_None, + Format_Render = Format_None, + Format_Mono, + Format_A8, + Format_A32 + }; + QFontEngine(); virtual ~QFontEngine(); @@ -145,6 +155,7 @@ public: struct FaceId { FaceId() : index(0), encoding(0) {} QByteArray filename; + QByteArray uuid; int index; int encoding; }; @@ -155,6 +166,7 @@ public: SynthesizedStretch = 0x4 }; virtual int synthesized() const { return 0; } + virtual bool supportsSubPixelPositions() const { return false; } virtual QFixed emSquareSize() const { return ascent(); } @@ -168,11 +180,12 @@ public: virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const {} virtual void doKerning(QGlyphLayout *, QTextEngine::ShaperFlags) const; -#if !defined(Q_WS_X11) && !defined(Q_WS_WIN) && !defined(Q_WS_MAC) && !defined(Q_OS_SYMBIAN) +#if !defined(Q_WS_X11) && !defined(Q_WS_WIN) && !defined(Q_WS_MAC) && !defined(Q_OS_SYMBIAN) && !defined(Q_WS_QPA) virtual void draw(QPaintEngine *p, qreal x, qreal y, const QTextItemInt &si) = 0; #endif virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs, QPainterPath *path, QTextItem::RenderFlags flags); + void getGlyphPositions(const QGlyphLayout &glyphs, const QTransform &matrix, QTextItem::RenderFlags flags, QVarLengthArray<glyph_t> &glyphs_out, QVarLengthArray<QFixedPoint> &positions); @@ -183,8 +196,15 @@ public: * Returns an image indexed_8 with index values ranging from 0=fully transparent to 255=opaque */ virtual QImage alphaMapForGlyph(glyph_t); + virtual QImage alphaMapForGlyph(glyph_t glyph, QFixed subPixelPosition); virtual QImage alphaMapForGlyph(glyph_t, const QTransform &t); - virtual QImage alphaRGBMapForGlyph(glyph_t, int margin, const QTransform &t); + virtual QImage alphaMapForGlyph(glyph_t, QFixed subPixelPosition, const QTransform &t); + virtual QImage alphaRGBMapForGlyph(glyph_t, QFixed subPixelPosition, int margin, const QTransform &t); + + virtual glyph_metrics_t alphaMapBoundingBox(glyph_t glyph, QFixed /*subPixelPosition*/, const QTransform &matrix, GlyphFormat /*format*/) + { + return boundingBox(glyph, matrix); + } virtual void removeGlyphFromCache(glyph_t); @@ -216,6 +236,8 @@ public: virtual int glyphCount() const; + virtual QFontEngine *cloneWithSize(qreal /*pixelSize*/) const { return 0; } + HB_Font harfbuzzFont() const; HB_Face harfbuzzFace() const; @@ -237,7 +259,7 @@ public: bool symbol; mutable HB_FontRec hbFont; mutable HB_Face hbFace; -#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN) +#if defined(Q_WS_WIN) || defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_WS_QPA) || defined(Q_OS_SYMBIAN) struct KernPair { uint left_right; QFixed adjust; @@ -260,7 +282,7 @@ protected: private: struct GlyphCacheEntry { void *context; - QFontEngineGlyphCache *cache; + QExplicitlySharedDataPointer<QFontEngineGlyphCache> cache; bool operator==(const GlyphCacheEntry &other) { return context == other.context && cache == other.cache; } }; @@ -274,7 +296,7 @@ inline bool operator ==(const QFontEngine::FaceId &f1, const QFontEngine::FaceId inline uint qHash(const QFontEngine::FaceId &f) { - return qHash((f.index << 16) + f.encoding) + qHash(f.filename); + return qHash((f.index << 16) + f.encoding) + qHash(f.filename + f.uuid); } @@ -408,218 +430,11 @@ public: protected: friend class QPSPrintEnginePrivate; friend class QPSPrintEngineFontMulti; + friend class QRawFont; virtual void loadEngine(int at) = 0; QVector<QFontEngine *> engines; }; -#if defined(Q_WS_MAC) - -struct QCharAttributes; -class QFontEngineMacMulti; -# if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 -class QCoreTextFontEngineMulti; -class QCoreTextFontEngine : public QFontEngine -{ -public: - QCoreTextFontEngine(CTFontRef font, const QFontDef &def, - QCoreTextFontEngineMulti *multiEngine = 0); - ~QCoreTextFontEngine(); - virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const; - virtual void recalcAdvances(int , 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 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); - virtual QImage alphaRGBMapForGlyph(glyph_t, int margin, const QTransform &t); - virtual qreal minRightBearing() const; - virtual qreal minLeftBearing() const; - - -private: - QImage imageForGlyph(glyph_t glyph, int margin, bool colorful); - CTFontRef ctfont; - CGFontRef cgFont; - QCoreTextFontEngineMulti *parentEngine; - int synthesisFlags; - CGAffineTransform transform; - friend class QCoreTextFontEngineMulti; -}; - -class QCoreTextFontEngineMulti : public QFontEngineMulti -{ -public: - QCoreTextFontEngineMulti(const ATSFontFamilyRef &atsFamily, const ATSFontRef &atsFontRef, - 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) const; - - - virtual void recalcAdvances(int , QGlyphLayout *, QTextEngine::ShaperFlags) const; - virtual void doKerning(int , QGlyphLayout *, QTextEngine::ShaperFlags) const; - - virtual const char *name() const { return "CoreText"; } -protected: - virtual void loadEngine(int at); - -private: - inline const QCoreTextFontEngine *engineAt(int i) const - { return static_cast<const QCoreTextFontEngine *>(engines.at(i)); } - - uint fontIndexForFont(CTFontRef id) const; - CTFontRef ctfont; - mutable QCFType<CFMutableDictionaryRef> attributeDict; - CGAffineTransform transform; - friend class QFontDialogPrivate; -}; -# endif //MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5 - -#ifndef QT_MAC_USE_COCOA -class QFontEngineMac : public QFontEngine -{ - friend class QFontEngineMacMulti; -public: - QFontEngineMac(ATSUStyle baseStyle, ATSUFontID fontID, const QFontDef &def, QFontEngineMacMulti *multiEngine = 0); - virtual ~QFontEngineMac(); - - virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *numGlyphs, 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 "QFontEngineMac"; } - - virtual bool canRender(const QChar *string, int len); - - virtual int synthesized() const { return synthesisFlags; } - - 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 QByteArray getSfntTable(uint tag) const; - virtual Properties properties() const; - virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics); - virtual QImage alphaMapForGlyph(glyph_t); - virtual QImage alphaRGBMapForGlyph(glyph_t, int margin, const QTransform &t); - -private: - QImage imageForGlyph(glyph_t glyph, int margin, bool colorful); - - ATSUFontID fontID; - QCFType<CGFontRef> cgFont; - ATSUStyle style; - int synthesisFlags; - mutable QGlyphLayout kashidaGlyph; - QFontEngineMacMulti *multiEngine; - mutable const unsigned char *cmap; - mutable bool symbolCMap; - mutable QByteArray cmapTable; - CGAffineTransform transform; - QFixed m_ascent; - QFixed m_descent; - QFixed m_leading; - qreal m_maxCharWidth; - QFixed m_xHeight; - QFixed m_averageCharWidth; -}; - -class QFontEngineMacMulti : public QFontEngineMulti -{ - friend class QFontEngineMac; -public: - // internal - struct ShaperItem - { - inline ShaperItem() : string(0), from(0), length(0), - log_clusters(0), charAttributes(0) {} - - const QChar *string; - int from; - int length; - QGlyphLayout glyphs; - unsigned short *log_clusters; - const HB_CharAttributes *charAttributes; - QTextEngine::ShaperFlags flags; - }; - - QFontEngineMacMulti(const ATSFontFamilyRef &atsFamily, const ATSFontRef &atsFontRef, const QFontDef &fontDef, bool kerning); - virtual ~QFontEngineMacMulti(); - - 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) const; - - virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const; - virtual void doKerning(QGlyphLayout *, QTextEngine::ShaperFlags) const; - - virtual const char *name() const { return "ATSUI"; } - - virtual bool canRender(const QChar *string, int len); - - inline ATSUFontID macFontID() const { return fontID; } - -protected: - virtual void loadEngine(int at); - -private: - inline const QFontEngineMac *engineAt(int i) const - { return static_cast<const QFontEngineMac *>(engines.at(i)); } - - bool stringToCMapInternal(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags, ShaperItem *item) const; - - int fontIndexForFontID(ATSUFontID id) const; - - ATSUFontID fontID; - uint kerning : 1; - - mutable ATSUTextLayout textLayout; - mutable ATSUStyle style; - CGAffineTransform transform; -}; -#endif //!QT_MAC_USE_COCOA -#endif - class QTestFontEngine : public QFontEngineBox { public: |