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    41 

    42 #ifndef QFONTENGINE_X11_P_H

    43 #define QFONTENGINE_X11_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 #include <private/qt_x11_p.h>

    56 

    57 #include <private/qfontengine_ft_p.h>

    58 

    59 QT_BEGIN_NAMESPACE

    60 

    61 class QFreetypeFace;

    62 

    63 // --------------------------------------------------------------------------

    64 

    65 class QFontEngineMultiXLFD : public QFontEngineMulti

    66 {

    67 public:

    68     QFontEngineMultiXLFD(const QFontDef &r, const QList<int> &l, int s);

    69     ~QFontEngineMultiXLFD();

    70 

    71     void loadEngine(int at);

    72 

    73 private:

    74     QList<int> encodings;

    75     int screen;

    76     QFontDef request;

    77 };

    78 

    79 /**

    80  * \internal The font engine for X Logical Font Description (XLFD) fonts, which is for X11 systems without freetype.

    81  */

    82 class QFontEngineXLFD : public QFontEngine

    83 {

    84 public:

    85     QFontEngineXLFD(XFontStruct *f, const QByteArray &name, int mib);

    86     ~QFontEngineXLFD();

    87 

    88     virtual QFontEngine::FaceId faceId() const;

    89     QFontEngine::Properties properties() const;

    90     virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics);

    91     virtual bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;

    92     virtual int synthesized() const;

    93 

    94     virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs,

    95                       QTextEngine::ShaperFlags flags) const;

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

    97 

    98     virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);

    99     virtual glyph_metrics_t boundingBox(glyph_t glyph);

   100 

   101     virtual void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags);

   102     virtual QFixed ascent() const;

   103     virtual QFixed descent() const;

   104     virtual QFixed leading() const;

   105     virtual qreal maxCharWidth() const;

   106     virtual qreal minLeftBearing() const;

   107     virtual qreal minRightBearing() const;

   108     virtual QImage alphaMapForGlyph(glyph_t);

   109 

   110     virtual inline Type type() const

   111     { return QFontEngine::XLFD; }

   112 

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

   114     virtual const char *name() const;

   115 

   116     inline XFontStruct *fontStruct() const

   117     { return _fs; }

   118 

   119 #ifndef QT_NO_FREETYPE

   120     FT_Face non_locked_face() const;

   121     glyph_t glyphIndexToFreetypeGlyphIndex(glyph_t g) const;

   122 #endif

   123     uint toUnicode(glyph_t g) const;

   124 

   125 private:

   126     QBitmap bitmapForGlyphs(const QGlyphLayout &glyphs, const glyph_metrics_t &metrics, QTextItem::RenderFlags flags = 0);

   127 

   128     XFontStruct *_fs;

   129     QByteArray _name;

   130     QTextCodec *_codec;

   131     int _cmap;

   132     int lbearing, rbearing;

   133     mutable QFontEngine::FaceId face_id;

   134     mutable QFreetypeFace *freetype;

   135     mutable int synth;

   136 };

   137 

   138 #ifndef QT_NO_FONTCONFIG

   139 

   140 class Q_GUI_EXPORT QFontEngineMultiFT : public QFontEngineMulti

   141 {

   142 public:

   143     QFontEngineMultiFT(QFontEngine *fe, FcPattern *firstEnginePattern, FcPattern *p, int s, const QFontDef &request);

   144     ~QFontEngineMultiFT();

   145 

   146     void loadEngine(int at);

   147 

   148 private:

   149     QFontDef request;

   150     FcPattern *pattern;

   151     FcPattern *firstEnginePattern;

   152     FcFontSet *fontSet;

   153     int screen;

   154     int firstFontIndex; // first font in fontset

   155 };

   156 

   157 class Q_GUI_EXPORT QFontEngineX11FT : public QFontEngineFT

   158 {

   159 public:

   160     explicit QFontEngineX11FT(FcPattern *pattern, const QFontDef &fd, int screen);

   161     ~QFontEngineX11FT();

   162 

   163 #ifndef QT_NO_XRENDER

   164     int xglyph_format;

   165 #endif

   166 

   167 protected:

   168     virtual bool uploadGlyphToServer(QGlyphSet *set, uint glyphid, Glyph *g, GlyphInfo *info, int glyphDataSize) const;

   169     virtual unsigned long allocateServerGlyphSet();

   170     virtual void freeServerGlyphSet(unsigned long id);

   171 };

   172 

   173 #endif // QT_NO_FONTCONFIG

   174 

   175 QT_END_NAMESPACE

   176 

   177 #endif // QFONTENGINE_X11_P_H