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| |
| #ifndef QWINDOWSFONTENGINE_H |
| #define QWINDOWSFONTENGINE_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtGui/private/qfontengine_p.h> |
| |
| #include <QtGui/QImage> |
| #include <QtCore/QSharedPointer> |
| #include <QtCore/QMetaType> |
| |
| #include <QtCore/qt_windows.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QWindowsNativeImage; |
| class QWindowsFontEngineData; |
| |
| class QWindowsFontEngine : public QFontEngine |
| { |
| Q_DISABLE_COPY_MOVE(QWindowsFontEngine) |
| public: |
| QWindowsFontEngine(const QString &name, LOGFONT lf, |
| const QSharedPointer<QWindowsFontEngineData> &fontEngineData); |
| |
| ~QWindowsFontEngine() override; |
| void initFontInfo(const QFontDef &request, |
| int dpi); |
| |
| QFixed lineThickness() const override; |
| Properties properties() const override; |
| void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics) override; |
| FaceId faceId() const override; |
| bool getSfntTableData(uint tag, uchar *buffer, uint *length) const override; |
| int synthesized() const override; |
| QFixed emSquareSize() const override; |
| |
| glyph_t glyphIndex(uint ucs4) const override; |
| bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, ShaperFlags flags) const override; |
| void recalcAdvances(QGlyphLayout *glyphs, ShaperFlags) const override; |
| |
| void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags) override; |
| void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs, |
| QPainterPath *path, QTextItem::RenderFlags flags) override; |
| |
| HGDIOBJ selectDesignFont() const; |
| |
| glyph_metrics_t boundingBox(const QGlyphLayout &glyphs) override; |
| glyph_metrics_t boundingBox(glyph_t g) override { return boundingBox(g, QTransform()); } |
| glyph_metrics_t boundingBox(glyph_t g, const QTransform &t) override; |
| |
| |
| QFixed ascent() const override; |
| QFixed descent() const override; |
| QFixed leading() const override; |
| QFixed xHeight() const override; |
| QFixed capHeight() const override; |
| QFixed averageCharWidth() const override; |
| qreal maxCharWidth() const override; |
| qreal minLeftBearing() const override; |
| qreal minRightBearing() const override; |
| |
| QImage alphaMapForGlyph(glyph_t t) override { return alphaMapForGlyph(t, QTransform()); } |
| QImage alphaMapForGlyph(glyph_t, const QTransform &xform) override; |
| QImage alphaRGBMapForGlyph(glyph_t t, QFixed subPixelPosition, const QTransform &xform) override; |
| glyph_metrics_t alphaMapBoundingBox(glyph_t glyph, QFixed, const QTransform &matrix, GlyphFormat) override; |
| |
| QFontEngine *cloneWithSize(qreal pixelSize) const override; |
| Qt::HANDLE handle() const override; |
| bool supportsTransformation(const QTransform &transform) const override; |
| |
| #ifndef Q_CC_MINGW |
| void getGlyphBearings(glyph_t glyph, qreal *leftBearing = 0, qreal *rightBearing = 0) override; |
| #endif |
| |
| bool hasUnreliableGlyphOutline() const override; |
| |
| int getGlyphIndexes(const QChar *ch, int numChars, QGlyphLayout *glyphs) const; |
| void getCMap(); |
| |
| bool getOutlineMetrics(glyph_t glyph, const QTransform &t, glyph_metrics_t *metrics) const; |
| |
| const QSharedPointer<QWindowsFontEngineData> &fontEngineData() const { return m_fontEngineData; } |
| |
| void setUniqueFamilyName(const QString &newName) { uniqueFamilyName = newName; } |
| |
| private: |
| QWindowsNativeImage *drawGDIGlyph(HFONT font, glyph_t, int margin, const QTransform &xform, |
| QImage::Format mask_format); |
| bool hasCFFTable() const; |
| bool hasCMapTable() const; |
| |
| const QSharedPointer<QWindowsFontEngineData> m_fontEngineData; |
| |
| const QString _name; |
| QString uniqueFamilyName; |
| HFONT hfont = 0; |
| const LOGFONT m_logfont; |
| uint ttf : 1; |
| uint hasOutline : 1; |
| uint hasUnreliableOutline : 1; |
| uint cffTable : 1; |
| TEXTMETRIC tm; |
| const unsigned char *cmap = nullptr; |
| int cmapSize = 0; |
| QByteArray cmapTable; |
| mutable qreal lbearing = SHRT_MIN; |
| mutable qreal rbearing = SHRT_MIN; |
| QFixed designToDevice; |
| int unitsPerEm = 0; |
| QFixed x_height = -1; |
| FaceId _faceId; |
| |
| mutable int synthesized_flags = -1; |
| mutable QFixed lineWidth = -1; |
| mutable unsigned char *widthCache = nullptr; |
| mutable uint widthCacheSize = 0; |
| mutable QFixed *designAdvances = nullptr; |
| mutable int designAdvancesSize = 0; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| Q_DECLARE_METATYPE(HFONT) |
| Q_DECLARE_METATYPE(LOGFONT) |
| |
| #endif // QWINDOWSFONTENGINE_H |