/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #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 #include #include #include #include QT_BEGIN_NAMESPACE class QWindowsNativeImage; class QWindowsFontEngineData; class QWindowsFontEngine : public QFontEngine { friend class QWindowsMultiFontEngine; public: QWindowsFontEngine(const QString &name, LOGFONT lf, const QSharedPointer &fontEngineData); ~QWindowsFontEngine(); void initFontInfo(const QFontDef &request, int dpi); QFixed lineThickness() const Q_DECL_OVERRIDE; Properties properties() const Q_DECL_OVERRIDE; void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics) Q_DECL_OVERRIDE; FaceId faceId() const Q_DECL_OVERRIDE; bool getSfntTableData(uint tag, uchar *buffer, uint *length) const Q_DECL_OVERRIDE; int synthesized() const Q_DECL_OVERRIDE; QFixed emSquareSize() const Q_DECL_OVERRIDE; glyph_t glyphIndex(uint ucs4) const Q_DECL_OVERRIDE; bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, ShaperFlags flags) const Q_DECL_OVERRIDE; void recalcAdvances(QGlyphLayout *glyphs, ShaperFlags) const Q_DECL_OVERRIDE; void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags) Q_DECL_OVERRIDE; virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs, QPainterPath *path, QTextItem::RenderFlags flags) Q_DECL_OVERRIDE; HGDIOBJ selectDesignFont() const; glyph_metrics_t boundingBox(const QGlyphLayout &glyphs) Q_DECL_OVERRIDE; glyph_metrics_t boundingBox(glyph_t g) Q_DECL_OVERRIDE { return boundingBox(g, QTransform()); } glyph_metrics_t boundingBox(glyph_t g, const QTransform &t) Q_DECL_OVERRIDE; QFixed ascent() const Q_DECL_OVERRIDE; QFixed descent() const Q_DECL_OVERRIDE; QFixed leading() const Q_DECL_OVERRIDE; QFixed xHeight() const Q_DECL_OVERRIDE; QFixed capHeight() const Q_DECL_OVERRIDE; QFixed averageCharWidth() const Q_DECL_OVERRIDE; qreal maxCharWidth() const Q_DECL_OVERRIDE; qreal minLeftBearing() const Q_DECL_OVERRIDE; qreal minRightBearing() const Q_DECL_OVERRIDE; QImage alphaMapForGlyph(glyph_t t) Q_DECL_OVERRIDE { return alphaMapForGlyph(t, QTransform()); } QImage alphaMapForGlyph(glyph_t, const QTransform &xform) Q_DECL_OVERRIDE; QImage alphaRGBMapForGlyph(glyph_t t, QFixed subPixelPosition, const QTransform &xform) Q_DECL_OVERRIDE; glyph_metrics_t alphaMapBoundingBox(glyph_t glyph, QFixed, const QTransform &matrix, GlyphFormat) Q_DECL_OVERRIDE; QFontEngine *cloneWithSize(qreal pixelSize) const Q_DECL_OVERRIDE; Qt::HANDLE handle() const Q_DECL_OVERRIDE; bool supportsTransformation(const QTransform &transform) const Q_DECL_OVERRIDE; #ifndef Q_CC_MINGW void getGlyphBearings(glyph_t glyph, qreal *leftBearing = 0, qreal *rightBearing = 0) Q_DECL_OVERRIDE; #endif bool hasUnreliableGlyphOutline() const Q_DECL_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 &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; bool hasGlyfTable() const; bool hasEbdtTable() const; const QSharedPointer 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; }; class QWindowsMultiFontEngine : public QFontEngineMulti { public: explicit QWindowsMultiFontEngine(QFontEngine *fe, int script); QFontEngine *loadEngine(int at) Q_DECL_OVERRIDE; }; QT_END_NAMESPACE Q_DECLARE_METATYPE(HFONT) Q_DECLARE_METATYPE(LOGFONT) #endif // QWINDOWSFONTENGINE_H