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author | Jørgen Lind <jorgen.lind@nokia.com> | 2010-10-28 10:41:31 (GMT) |
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committer | Jørgen Lind <jorgen.lind@nokia.com> | 2010-10-28 13:04:18 (GMT) |
commit | 6a5a894dda402b433505447f14fb7ed9eeac8a48 (patch) | |
tree | 7c489cd94c4969c05bc00eb09081931d5f355e4e /src/gui/text/qfontengine_mac_p.h | |
parent | 3d86d2a8e5e3c68f9e0022e676293ddc5288c849 (diff) | |
download | Qt-6a5a894dda402b433505447f14fb7ed9eeac8a48.zip Qt-6a5a894dda402b433505447f14fb7ed9eeac8a48.tar.gz Qt-6a5a894dda402b433505447f14fb7ed9eeac8a48.tar.bz2 |
Moving QCoreTextFontEngine with related classes into own file
The declaration of QCoreTextFontEngine was ifdefed in qfontengine_p.h.
So was QMacFontEngine. I have moved them into their own files
(qfontengine_coretext_p.h and qfontengine_mac_p.h).
Diffstat (limited to 'src/gui/text/qfontengine_mac_p.h')
-rw-r--r-- | src/gui/text/qfontengine_mac_p.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/gui/text/qfontengine_mac_p.h b/src/gui/text/qfontengine_mac_p.h new file mode 100644 index 0000000..5577c76 --- /dev/null +++ b/src/gui/text/qfontengine_mac_p.h @@ -0,0 +1,167 @@ +/**************************************************************************** +** +** Copyright (C) 2010 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QFONTENGINE_MAC_P_H +#define QFONTENGINE_MAC_P_H + +#include <private/qfontengine_p.h> + +#ifndef QT_MAC_USE_COCOA +class QFontEngineMacMulti; +class QFontEngineMac : public QFontEngine +{ + friend class QFontEngineMacMulti; +public: + QFontEngineMac(ATSUStyle baseStyle, ATSUFontID fontID, const QFontDef &def, QFontEngineMacMulti *multiEngine = 0); + virtual ~QFontEngineMac(); + + virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *numGlyphs, 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 QFixed ascent() const; + virtual QFixed descent() const; + virtual QFixed leading() const; + virtual QFixed xHeight() const; + virtual qreal maxCharWidth() const; + virtual QFixed averageCharWidth() const; + + virtual QFont createExplicitFont() const; + + virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int numGlyphs, + QPainterPath *path, QTextItem::RenderFlags); + + virtual const char *name() const { return "QFontEngineMac"; } + + virtual bool canRender(const QChar *string, int len); + + virtual int synthesized() const { return synthesisFlags; } + + virtual Type type() const { return QFontEngine::Mac; } + + void draw(CGContextRef ctx, qreal x, qreal y, const QTextItemInt &ti, int paintDeviceHeight); + + virtual FaceId faceId() const; + virtual QByteArray getSfntTable(uint tag) const; + virtual Properties properties() const; + virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics); + virtual QImage alphaMapForGlyph(glyph_t); + virtual QImage alphaRGBMapForGlyph(glyph_t, QFixed subPixelPosition, int margin, const QTransform &t); + +private: + QImage imageForGlyph(glyph_t glyph, int margin, bool colorful); + + ATSUFontID fontID; + QCFType<CGFontRef> cgFont; + ATSUStyle style; + int synthesisFlags; + mutable QGlyphLayout kashidaGlyph; + QFontEngineMacMulti *multiEngine; + mutable const unsigned char *cmap; + mutable bool symbolCMap; + mutable QByteArray cmapTable; + CGAffineTransform transform; + QFixed m_ascent; + QFixed m_descent; + QFixed m_leading; + qreal m_maxCharWidth; + QFixed m_xHeight; + QFixed m_averageCharWidth; +}; + +class QFontEngineMacMulti : public QFontEngineMulti +{ + friend class QFontEngineMac; +public: + // internal + struct ShaperItem + { + inline ShaperItem() : string(0), from(0), length(0), + log_clusters(0), charAttributes(0) {} + + const QChar *string; + int from; + int length; + QGlyphLayout glyphs; + unsigned short *log_clusters; + const HB_CharAttributes *charAttributes; + QTextEngine::ShaperFlags flags; + }; + + QFontEngineMacMulti(const ATSFontFamilyRef &atsFamily, const ATSFontRef &atsFontRef, const QFontDef &fontDef, bool kerning); + virtual ~QFontEngineMacMulti(); + + virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const; + bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags, + unsigned short *logClusters, const HB_CharAttributes *charAttributes) const; + + virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const; + virtual void doKerning(QGlyphLayout *, QTextEngine::ShaperFlags) const; + + virtual const char *name() const { return "ATSUI"; } + + virtual bool canRender(const QChar *string, int len); + + inline ATSUFontID macFontID() const { return fontID; } + +protected: + virtual void loadEngine(int at); + +private: + inline const QFontEngineMac *engineAt(int i) const + { return static_cast<const QFontEngineMac *>(engines.at(i)); } + + bool stringToCMapInternal(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags, ShaperItem *item) const; + + int fontIndexForFontID(ATSUFontID id) const; + + ATSUFontID fontID; + uint kerning : 1; + + mutable ATSUTextLayout textLayout; + mutable ATSUStyle style; + CGAffineTransform transform; +}; +#endif //!QT_MAC_USE_COCOA + +#endif // QFONTENGINE_MAC_P_H |