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Diffstat (limited to 'src/widgets/platforms/x11/qfontengine_x11_p.h')
| -rw-r--r-- | src/widgets/platforms/x11/qfontengine_x11_p.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/widgets/platforms/x11/qfontengine_x11_p.h b/src/widgets/platforms/x11/qfontengine_x11_p.h new file mode 100644 index 0000000000..b12fbc28d4 --- /dev/null +++ b/src/widgets/platforms/x11/qfontengine_x11_p.h @@ -0,0 +1,180 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QFONTENGINE_X11_P_H +#define QFONTENGINE_X11_P_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 <private/qt_x11_p.h> + +#include <private/qfontengine_ft_p.h> + +QT_BEGIN_NAMESPACE + +class QFreetypeFace; + +// -------------------------------------------------------------------------- + +class QFontEngineMultiXLFD : public QFontEngineMulti +{ +public: + QFontEngineMultiXLFD(const QFontDef &r, const QList<int> &l, int s); + ~QFontEngineMultiXLFD(); + + void loadEngine(int at); + +private: + QList<int> encodings; + int screen; + QFontDef request; +}; + +/** + * \internal The font engine for X Logical Font Description (XLFD) fonts, which is for X11 systems without freetype. + */ +class QFontEngineXLFD : public QFontEngine +{ +public: + QFontEngineXLFD(XFontStruct *f, const QByteArray &name, int mib); + ~QFontEngineXLFD(); + + virtual QFontEngine::FaceId faceId() const; + QFontEngine::Properties properties() const; + virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics); + virtual bool getSfntTableData(uint tag, uchar *buffer, uint *length) const; + virtual int synthesized() const; + + virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, + QTextEngine::ShaperFlags flags) const; + virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const; + + virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs); + virtual glyph_metrics_t boundingBox(glyph_t glyph); + + virtual void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags); + virtual QFixed ascent() const; + virtual QFixed descent() const; + virtual QFixed leading() const; + virtual qreal maxCharWidth() const; + virtual qreal minLeftBearing() const; + virtual qreal minRightBearing() const; + virtual QImage alphaMapForGlyph(glyph_t); + + virtual inline Type type() const + { return QFontEngine::XLFD; } + + virtual bool canRender(const QChar *string, int len); + virtual const char *name() const; + + inline XFontStruct *fontStruct() const + { return _fs; } + +#ifndef QT_NO_FREETYPE + FT_Face non_locked_face() const; + glyph_t glyphIndexToFreetypeGlyphIndex(glyph_t g) const; +#endif + uint toUnicode(glyph_t g) const; + +private: + QBitmap bitmapForGlyphs(const QGlyphLayout &glyphs, const glyph_metrics_t &metrics, QTextItem::RenderFlags flags = 0); + + XFontStruct *_fs; + QByteArray _name; + QTextCodec *_codec; + int _cmap; + int lbearing, rbearing; + mutable QFontEngine::FaceId face_id; + mutable QFreetypeFace *freetype; + mutable int synth; +}; + +#ifndef QT_NO_FONTCONFIG + +class Q_WIDGETS_EXPORT QFontEngineMultiFT : public QFontEngineMulti +{ +public: + QFontEngineMultiFT(QFontEngine *fe, FcPattern *firstEnginePattern, FcPattern *p, int s, const QFontDef &request); + ~QFontEngineMultiFT(); + + void loadEngine(int at); + +private: + QFontDef request; + FcPattern *pattern; + FcPattern *firstEnginePattern; + FcFontSet *fontSet; + int screen; + int firstFontIndex; // first font in fontset +}; + +class Q_WIDGETS_EXPORT QFontEngineX11FT : public QFontEngineFT +{ +public: + explicit QFontEngineX11FT(const QFontDef &fontDef) : QFontEngineFT(fontDef) {} + explicit QFontEngineX11FT(FcPattern *pattern, const QFontDef &fd, int screen); + ~QFontEngineX11FT(); + + QFontEngine *cloneWithSize(qreal pixelSize) const; + +#ifndef QT_NO_XRENDER + int xglyph_format; +#endif + +protected: + virtual bool uploadGlyphToServer(QGlyphSet *set, uint glyphid, Glyph *g, GlyphInfo *info, int glyphDataSize) const; + virtual unsigned long allocateServerGlyphSet(); + virtual void freeServerGlyphSet(unsigned long id); +}; + +#endif // QT_NO_FONTCONFIG + +QT_END_NAMESPACE + +#endif // QFONTENGINE_X11_P_H |