tools/makeqpf/qpf2.h

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  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