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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the $MODULE$ of the Qt Toolkit.
**
** $TROLLTECH_DUAL_EMBEDDED_LICENSE$
**
****************************************************************************/
#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(COpenFont *font);
QByteArray getSfntTable(uint tag) const;
const unsigned char *cmap() const;
QPainterPath glyphOutline(glyph_t glyph) 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;
};
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
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