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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 <private/qfontengine_p.h>

#include "qsize.h"

#include <openfont.h>

// This is a very hackish way to detect Symbian^4 and needs to be removed

// once device profiles for proper feature detection are available

#ifdef SYMBIAN_GRAPHICS_WSERV_QT_EFFECTS

#define Q_SYMBIAN_HAS_FONTTABLE_API

#endif

#ifdef Q_SYMBIAN_HAS_FONTTABLE_API

#define Q_SYMBIAN_HAS_GLYPHOUTLINE_API

#endif // Q_SYMBIAN_HAS_FONTTABLE_API

class CFont;

QT_BEGIN_NAMESPACE

// ..gives us access to truetype tables

class QSymbianTypeFaceExtras

{

public:

    QSymbianTypeFaceExtras(CFont* cFont, COpenFont *openFont = 0);

    ~QSymbianTypeFaceExtras();

    QByteArray getSfntTable(uint tag) const;

    bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;

    const uchar *cmap() const;

    CFont *fontOwner() const;

private:

    CFont* m_cFont;

    mutable bool m_symbolCMap;

    mutable QByteArray m_cmapTable;

#ifndef Q_SYMBIAN_HAS_FONTTABLE_API

    COpenFont *m_openFont;

    mutable MOpenFontTrueTypeExtension *m_trueTypeExtension;

#endif // Q_SYMBIAN_HAS_FONTTABLE_API

};

class QFontEngineS60 : public QFontEngine

{

public:

    QFontEngineS60(const QFontDef &fontDef, const QSymbianTypeFaceExtras *extras);

    ~QFontEngineS60();

    bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;

    void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const;

    void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,

                         QPainterPath *path, QTextItem::RenderFlags flags);

    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;

    bool getSfntTableData(uint tag, uchar *buffer, uint *length) 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;

    friend class QSymbianVGFontGlyphCache;

    QFixed glyphAdvance(HB_Glyph glyph) const;

    CFont *fontWithSize(qreal size) const;

    static void releaseFont(CFont *&font);

    const QSymbianTypeFaceExtras *m_extras;

    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