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| ** |
| ** Copyright (C) 2018 The Qt Company Ltd. |
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| ** |
| ** This file is part of the tools applications of the Qt Toolkit. |
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| |
| #ifndef DISTANCEFIELDMODELWORKER_H |
| #define DISTANCEFIELDMODELWORKER_H |
| |
| #include <QObject> |
| #include <QRawFont> |
| #include <QtGui/private/qtextengine_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| struct CmapSubtable0; |
| struct CmapSubtable4; |
| struct CmapSubtable6; |
| struct CmapSubtable10; |
| struct CmapSubtable12; |
| class DistanceFieldModelWorker : public QObject |
| { |
| Q_OBJECT |
| public: |
| explicit DistanceFieldModelWorker(QObject *parent = nullptr); |
| |
| Q_INVOKABLE void generateOneDistanceField(); |
| Q_INVOKABLE void loadFont(const QString &fileName); |
| |
| void readCmapSubtable(const CmapSubtable0 *subtable, const void *end); |
| void readCmapSubtable(const CmapSubtable4 *subtable, const void *end); |
| void readCmapSubtable(const CmapSubtable6 *subtable, const void *end); |
| void readCmapSubtable(const CmapSubtable10 *subtable, const void *end); |
| void readCmapSubtable(const CmapSubtable12 *subtable, const void *end); |
| |
| signals: |
| void fontLoaded(quint16 glyphCount, bool doubleResolution, qreal pixelSize); |
| void fontGenerated(); |
| void distanceFieldGenerated(const QImage &distanceField, |
| const QPainterPath &path, |
| glyph_t glyphId, |
| quint32 cmapAssignment); |
| void error(const QString &errorString); |
| |
| private: |
| void readGlyphCount(); |
| void readCmap(); |
| |
| QRawFont m_font; |
| quint16 m_glyphCount; |
| quint16 m_nextGlyphId; |
| bool m_doubleGlyphResolution; |
| QHash<glyph_t, quint32> m_cmapping; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // DISTANCEFIELDMODELWORKER_H |