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#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 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;

    void getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metrics, const TUint8*& bitmap, TSize& bitmapSize) const;

    void setFontScale(qreal scale);

private:

    friend class QFontPrivate;

    QFixed glyphAdvance(HB_Glyph glyph) const;

    CFont *fontWithSize(qreal size) const;

    static void releaseFont(CFont *&font);

    const QFontEngineS60Extensions *m_extensions;

    CFont* m_originalFont;

    const qreal m_originalFontSizeInPixels;

    CFont* m_scaledFont;

    qreal m_scaledFontSizeInPixels;

    CFont* m_activeFont;

};

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