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    41 

    42 #ifndef QFONTENGINE_S60_P_H

    43 #define QFONTENGINE_S60_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    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.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include "qconfig.h"

    57 #include "qfontengine_p.h"

    58 #include "qsize.h"

    59 #include <OPENFONT.H>

    60 

    61 class CFbsBitmap;

    62 class CFbsBitmapDevice;

    63 class CFbsBitGc;

    64 class CFont;

    65 

    66 QT_BEGIN_NAMESPACE

    67 

    68 // ..gives us access to truetype tables, UTF-16<->GlyphID mapping, and glyph outlines

    69 class QFontEngineS60Extensions

    70 {

    71 public:

    72     QFontEngineS60Extensions(CFont* fontOwner, COpenFont *font);

    73 

    74     QByteArray getSfntTable(uint tag) const;

    75     const unsigned char *cmap() const;

    76     QPainterPath glyphOutline(glyph_t glyph) const;

    77     CFont *fontOwner() const;

    78 

    79 private:

    80     COpenFont *m_font;

    81     const MOpenFontShapingExtension *m_shapingExtension;

    82     mutable MOpenFontTrueTypeExtension *m_trueTypeExtension;

    83     mutable const unsigned char *m_cmap;

    84     mutable bool m_symbolCMap;

    85     mutable QByteArray m_cmapTable;

    86     CFont* m_fontOwner;

    87 };

    88 

    89 class QFontEngineS60 : public QFontEngine

    90 {

    91 public:

    92     QFontEngineS60(const QFontDef &fontDef, const QFontEngineS60Extensions *extensions);

    93     ~QFontEngineS60();

    94 

    95     bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;

    96     void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const;

    97 

    98     QImage alphaMapForGlyph(glyph_t glyph);

    99 

   100     glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);

   101     glyph_metrics_t boundingBox_const(glyph_t glyph) const; // Const correctnes quirk.

   102     glyph_metrics_t boundingBox(glyph_t glyph);

   103 

   104     QFixed ascent() const;

   105     QFixed descent() const;

   106     QFixed leading() const;

   107     qreal maxCharWidth() const;

   108     qreal minLeftBearing() const { return 0; }

   109     qreal minRightBearing() const { return 0; }

   110 

   111     QByteArray getSfntTable(uint tag) const;

   112 

   113     static qreal pixelsToPoints(qreal pixels, Qt::Orientation orientation = Qt::Horizontal);

   114     static qreal pointsToPixels(qreal points, Qt::Orientation orientation = Qt::Horizontal);

   115 

   116     const char *name() const;

   117 

   118     bool canRender(const QChar *string, int len);

   119 

   120     Type type() const;

   121 

   122     void getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metrics, const TUint8*& bitmap, TSize& bitmapSize) const;

   123 

   124 private:

   125     friend class QFontPrivate;

   126 

   127     QFixed glyphAdvance(HB_Glyph glyph) const;

   128 

   129     CFbsBitmap *m_textRenderBitmap;

   130     CFbsBitmapDevice *m_textRenderBitmapDevice;

   131     CFbsBitGc *m_textRenderBitmapGc;

   132     CFont* m_font;

   133     const QFontEngineS60Extensions *m_extensions;

   134     qreal m_fontSizeInPixels;

   135 };

   136 

   137 class QFontEngineMultiS60 : public QFontEngineMulti

   138 {

   139 public:

   140     QFontEngineMultiS60(QFontEngine *first, int script, const QStringList &fallbackFamilies);

   141     void loadEngine(int at);

   142 

   143     int m_script;

   144     QStringList m_fallbackFamilies;

   145 };

   146 

   147 QT_END_NAMESPACE

   148 

   149 #endif // QFONTENGINE_S60_P_H