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     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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    16 ** GNU Lesser General Public License Usage

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    40 ****************************************************************************/

    41 

    42 #ifndef QPF2_H

    43 #define QPF2_H

    44 

    45 #include <private/qfontengine_qpf_p.h>

    46 #include <qmetatype.h>

    47 

    48 QT_BEGIN_NAMESPACE

    49 

    50 class QFontEngine;

    51 

    52 class QPF

    53 {

    54 public:

    55     static int debugVerbosity;

    56 

    57     enum GenerationOption {

    58         IncludeCMap = 0x1,

    59         RenderGlyphs = 0x2

    60     };

    61 

    62     struct CharacterRange

    63     {

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

    65         uint start;

    66         uint end;

    67     };

    68 

    69     static QString fileNameForFont(const QFont &f);

    70 

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

    72                                const QList<CharacterRange> &ranges,

    73                                QString *originalFontFile = 0);

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

    75     void addHeader(QFontEngine *fontEngine);

    76     void addCMap(QFontEngine *fontEngine);

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

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

    79 

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

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

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

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

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

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

    86 

    87     static void dump(const QByteArray &qpf);

    88     const uchar *dumpHeader(const uchar *data);

    89     const uchar *dumpHeaderTag(const uchar *data);

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

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

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

    93 

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

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

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

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

    98     void addByteArray(const QByteArray &string) {

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

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

   101     }

   102 

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

   104 

   105     uchar *addBytes(int size) {

   106         const int oldSize = qpf.size();

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

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

   109     }

   110 

   111     QByteArray qpf;

   112     int options;

   113 };

   114 

   115 QT_END_NAMESPACE

   116 

   117 Q_DECLARE_METATYPE(QPF::CharacterRange)

   118 

   119 #endif // QPF2_H