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Diffstat (limited to 'src/gui/text/qfontengine_s60_p.h')
-rw-r--r-- | src/gui/text/qfontengine_s60_p.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/gui/text/qfontengine_s60_p.h b/src/gui/text/qfontengine_s60_p.h new file mode 100644 index 0000000000..eb3a744a89 --- /dev/null +++ b/src/gui/text/qfontengine_s60_p.h @@ -0,0 +1,148 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui 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_S60_P_H +#define QFONTENGINE_S60_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 "qconfig.h" +#include "qfontengine_p.h" +#include "qsize.h" +#include <OPENFONT.H> + +class CFbsBitmap; +class CFbsBitmapDevice; +class CFbsBitGc; +class CFont; + +QT_BEGIN_NAMESPACE + +// ..gives us access to truetype tables, UTF-16<->GlyphID mapping, and glyph outlines +class QFontEngineS60Extensions +{ +public: + QFontEngineS60Extensions(CFont* fontOwner, COpenFont *font); + + QByteArray getSfntTable(uint tag) const; + const unsigned char *cmap() const; + QPainterPath glyphOutline(glyph_t glyph) const; + CFont *fontOwner() const; + +private: + COpenFont *m_font; + const MOpenFontShapingExtension *m_shapingExtension; + mutable MOpenFontTrueTypeExtension *m_trueTypeExtension; + mutable const unsigned char *m_cmap; + mutable bool m_symbolCMap; + mutable QByteArray m_cmapTable; + CFont* m_fontOwner; +}; + +class QFontEngineS60 : public QFontEngine +{ +public: + QFontEngineS60(const QFontDef &fontDef, const QFontEngineS60Extensions *extensions); + ~QFontEngineS60(); + + bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const; + void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const; + + QImage alphaMapForGlyph(glyph_t glyph); + + glyph_metrics_t boundingBox(const QGlyphLayout &glyphs); + glyph_metrics_t boundingBox_const(glyph_t glyph) const; // Const correctnes quirk. + glyph_metrics_t boundingBox(glyph_t glyph); + + QFixed ascent() const; + QFixed descent() const; + QFixed leading() const; + qreal maxCharWidth() const; + qreal minLeftBearing() const { return 0; } + qreal minRightBearing() const { return 0; } + + QByteArray getSfntTable(uint tag) const; + + static qreal pixelsToPoints(qreal pixels, Qt::Orientation orientation = Qt::Horizontal); + static qreal pointsToPixels(qreal points, Qt::Orientation orientation = Qt::Horizontal); + + const char *name() const; + + bool canRender(const QChar *string, int len); + + Type type() const; + +private: + friend class QFontPrivate; + + QFixed glyphAdvance(HB_Glyph glyph) const; + void getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metrics, const TUint8*& bitmap, TSize& bitmapSize) const; + + CFbsBitmap *m_textRenderBitmap; + CFbsBitmapDevice *m_textRenderBitmapDevice; + CFbsBitGc *m_textRenderBitmapGc; + CFont* m_font; + const QFontEngineS60Extensions *m_extensions; + qreal m_fontSizeInPixels; +}; + +class QFontEngineMultiS60 : public QFontEngineMulti +{ +public: + QFontEngineMultiS60(QFontEngine *first, int script, const QStringList &fallbackFamilies); + void loadEngine(int at); + + int m_script; + QStringList m_fallbackFamilies; +}; + +QT_END_NAMESPACE + +#endif // QFONTENGINE_S60_P_H |