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| |
| #ifndef QPLATFORMFONTDATABASE_H |
| #define QPLATFORMFONTDATABASE_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is part of the QPA API and is not meant to be used |
| // in applications. Usage of this API may make your code |
| // source and binary incompatible with future versions of Qt. |
| // |
| |
| #include <QtGui/qtguiglobal.h> |
| #include <QtCore/QString> |
| #include <QtCore/QStringList> |
| #include <QtCore/QList> |
| #if QT_DEPRECATED_SINCE(5, 5) |
| #include <QtCore/QHash> |
| #endif |
| #include <QtGui/QFontDatabase> |
| #include <QtGui/private/qfontengine_p.h> |
| #include <QtGui/private/qfont_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QWritingSystemsPrivate; |
| |
| class Q_GUI_EXPORT QSupportedWritingSystems |
| { |
| public: |
| |
| QSupportedWritingSystems(); |
| QSupportedWritingSystems(const QSupportedWritingSystems &other); |
| QSupportedWritingSystems &operator=(const QSupportedWritingSystems &other); |
| ~QSupportedWritingSystems(); |
| |
| void setSupported(QFontDatabase::WritingSystem, bool supported = true); |
| bool supported(QFontDatabase::WritingSystem) const; |
| |
| private: |
| void detach(); |
| |
| QWritingSystemsPrivate *d; |
| |
| friend Q_GUI_EXPORT bool operator==(const QSupportedWritingSystems &, const QSupportedWritingSystems &); |
| friend Q_GUI_EXPORT bool operator!=(const QSupportedWritingSystems &, const QSupportedWritingSystems &); |
| #ifndef QT_NO_DEBUG_STREAM |
| friend Q_GUI_EXPORT QDebug operator<<(QDebug, const QSupportedWritingSystems &); |
| #endif |
| }; |
| |
| Q_GUI_EXPORT bool operator==(const QSupportedWritingSystems &, const QSupportedWritingSystems &); |
| Q_GUI_EXPORT bool operator!=(const QSupportedWritingSystems &, const QSupportedWritingSystems &); |
| |
| #ifndef QT_NO_DEBUG_STREAM |
| Q_GUI_EXPORT QDebug operator<<(QDebug, const QSupportedWritingSystems &); |
| #endif |
| |
| class QFontRequestPrivate; |
| class QFontEngineMulti; |
| |
| class Q_GUI_EXPORT QPlatformFontDatabase |
| { |
| public: |
| virtual ~QPlatformFontDatabase(); |
| virtual void populateFontDatabase(); |
| virtual bool populateFamilyAliases(const QString &missingFamily) { Q_UNUSED(missingFamily); return false; } |
| virtual void populateFamily(const QString &familyName); |
| virtual void invalidate(); |
| |
| virtual QFontEngineMulti *fontEngineMulti(QFontEngine *fontEngine, QChar::Script script); |
| virtual QFontEngine *fontEngine(const QFontDef &fontDef, void *handle); |
| virtual QStringList fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const; |
| virtual QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName); |
| virtual void releaseHandle(void *handle); |
| |
| virtual QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference); |
| |
| virtual QString fontDir() const; |
| |
| virtual QFont defaultFont() const; |
| virtual bool isPrivateFontFamily(const QString &family) const; |
| |
| virtual QString resolveFontFamilyAlias(const QString &family) const; |
| virtual bool fontsAlwaysScalable() const; |
| virtual QList<int> standardSizes() const; |
| |
| // helper |
| static QSupportedWritingSystems writingSystemsFromTrueTypeBits(quint32 unicodeRange[4], quint32 codePageRange[2]); |
| static QFont::Weight weightFromInteger(int weight); |
| |
| //callback |
| static void registerQPF2Font(const QByteArray &dataArray, void *handle); |
| static void registerFont(const QString &familyname, const QString &stylename, |
| const QString &foundryname, QFont::Weight weight, |
| QFont::Style style, QFont::Stretch stretch, bool antialiased, |
| bool scalable, int pixelSize, bool fixedPitch, |
| const QSupportedWritingSystems &writingSystems, void *handle); |
| |
| static void registerFontFamily(const QString &familyName); |
| static void registerAliasToFontFamily(const QString &familyName, const QString &alias); |
| |
| static bool isFamilyPopulated(const QString &familyName); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QPLATFORMFONTDATABASE_H |