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42 #ifndef QFONTENGINE_S60_P_H
43 #define QFONTENGINE_S60_P_H
49 // This file is not part of the Qt API. It exists purely as an
50 // implementation detail. This header file may change from version to
51 // version without notice, or even be removed.
57 #include <private/qfontengine_p.h>
61 // The glyph outline code is intentionally disabled. It will be reactivated as
62 // soon as the glyph outline API is backported from Symbian(^4) to Symbian(^3).
64 #define Q_SYMBIAN_HAS_GLYPHOUTLINE_API
71 // ..gives us access to truetype tables
72 class QSymbianTypeFaceExtras
75 QSymbianTypeFaceExtras(CFont* cFont, COpenFont *openFont = 0);
76 ~QSymbianTypeFaceExtras();
78 QByteArray getSfntTable(uint tag) const;
79 bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;
80 const uchar *cmap() const;
81 CFont *fontOwner() const;
82 bool isSymbolCMap() const;
83 QFixed unitsPerEm() const;
84 static bool symbianFontTableApiAvailable();
88 mutable bool m_symbolCMap;
89 mutable QByteArray m_cmapTable;
90 mutable QFixed m_unitsPerEm;
92 // m_openFont and m_openFont are used if Symbian does not provide
94 COpenFont *m_openFont;
95 mutable MOpenFontTrueTypeExtension *m_trueTypeExtension;
98 class QFontEngineS60 : public QFontEngine
101 QFontEngineS60(const QFontDef &fontDef, const QSymbianTypeFaceExtras *extras);
104 QFixed emSquareSize() const;
105 bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
106 void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const;
108 void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
109 QPainterPath *path, QTextItem::RenderFlags flags);
111 QImage alphaMapForGlyph(glyph_t glyph);
113 glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
114 glyph_metrics_t boundingBox_const(glyph_t glyph) const; // Const correctnes quirk.
115 glyph_metrics_t boundingBox(glyph_t glyph);
117 QFixed ascent() const;
118 QFixed descent() const;
119 QFixed leading() const;
120 qreal maxCharWidth() const;
121 qreal minLeftBearing() const { return 0; }
122 qreal minRightBearing() const { return 0; }
124 QByteArray getSfntTable(uint tag) const;
125 bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;
127 static qreal pixelsToPoints(qreal pixels, Qt::Orientation orientation = Qt::Horizontal);
128 static qreal pointsToPixels(qreal points, Qt::Orientation orientation = Qt::Horizontal);
130 const char *name() const;
132 bool canRender(const QChar *string, int len);
136 void getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metrics, const TUint8*& bitmap, TSize& bitmapSize) const;
137 void setFontScale(qreal scale);
140 friend class QFontPrivate;
141 friend class QSymbianVGFontGlyphCache;
143 QFixed glyphAdvance(HB_Glyph glyph) const;
144 CFont *fontWithSize(qreal size) const;
145 static void releaseFont(CFont *&font);
147 const QSymbianTypeFaceExtras *m_extras;
148 CFont* m_originalFont;
149 const qreal m_originalFontSizeInPixels;
151 qreal m_scaledFontSizeInPixels;
155 class QFontEngineMultiS60 : public QFontEngineMulti
158 QFontEngineMultiS60(QFontEngine *first, int script, const QStringList &fallbackFamilies);
159 void loadEngine(int at);
162 QStringList m_fallbackFamilies;
167 #endif // QFONTENGINE_S60_P_H