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****************************************************************************/

#ifndef QPF2_H

#define QPF2_H

#include <private/qfontengine_qpf_p.h>

#include <qmetatype.h>

QT_BEGIN_NAMESPACE

class QFontEngine;

class QPF

{

public:

    static int debugVerbosity;

    enum GenerationOption {

        IncludeCMap = 0x1,

        RenderGlyphs = 0x2

    };

    struct CharacterRange

    {

        inline CharacterRange() : start(0), end(0x10000) {}

        uint start;

        uint end;

    };

    static QString fileNameForFont(const QFont &f);

    static QByteArray generate(const QFont &font, int options,

                               const QList<CharacterRange> &ranges,

                               QString *originalFontFile = 0);

    static QByteArray generate(QFontEngine *fontEngine, int options, const QList<CharacterRange> &ranges);

    void addHeader(QFontEngine *fontEngine);

    void addCMap(QFontEngine *fontEngine);

    void addGlyphs(QFontEngine *fontEngine, const QList<CharacterRange> &ranges);

    void addBlock(QFontEngineQPF::BlockTag tag, const QByteArray &data);

    void addTaggedString(QFontEngineQPF::HeaderTag tag, const QByteArray &string);

    void addTaggedQFixed(QFontEngineQPF::HeaderTag tag, QFixed value);

    void addTaggedUInt8(QFontEngineQPF::HeaderTag tag, quint8 value);

    void addTaggedInt8(QFontEngineQPF::HeaderTag tag, qint8 value);

    void addTaggedUInt16(QFontEngineQPF::HeaderTag tag, quint16 value);

    void addTaggedUInt32(QFontEngineQPF::HeaderTag tag, quint32 value);

    static void dump(const QByteArray &qpf);

    const uchar *dumpHeader(const uchar *data);

    const uchar *dumpHeaderTag(const uchar *data);

    void dumpGMapBlock(const quint32 *gmap, int glyphCount);

    void dumpGlyphBlock(const quint32 *gmap, int glyphCount, const uchar *data, const uchar *endPtr);

    void dumpGlyph(const uchar *data, const QFontEngineQPF::Glyph *glyph);

    void addUInt16(quint16 value) { qToBigEndian(value, addBytes(sizeof(value))); }

    void addUInt32(quint32 value) { qToBigEndian(value, addBytes(sizeof(value))); }

    void addUInt8(quint8 value) { *addBytes(sizeof(value)) = value; }

    void addInt8(qint8 value) { *addBytes(sizeof(value)) = quint8(value); }

    void addByteArray(const QByteArray &string) {

        uchar *data = addBytes(string.length());

        qMemCopy(data, string.constData(), string.length());

    }

    void align4() { while (qpf.size() & 3) { addUInt8('\0'); } }

    uchar *addBytes(int size) {

        const int oldSize = qpf.size();

        qpf.resize(qpf.size() + size);

        return reinterpret_cast<uchar *>(qpf.data() + oldSize);

    }

    QByteArray qpf;

    int options;

};

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QPF::CharacterRange)

#endif // QPF2_H