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21 ** GNU General Public License Usage
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40 ****************************************************************************/
42 #ifndef QPLATFORMFONTDATABASE_H
43 #define QPLATFORMFONTDATABASE_H
49 // This file is part of the QPA API and is not meant to be used
50 // in applications. Usage of this API may make your code
51 // source and binary incompatible with future versions of Qt.
54 #include <QtCore/qconfig.h>
55 #include <QtCore/QString>
56 #include <QtCore/QStringList>
57 #include <QtCore/QList>
58 #include <QtCore/QHash>
59 #include <QtGui/QFontDatabase>
60 #include <QtGui/private/qfont_p.h>
67 class QWritingSystemsPrivate;
69 class Q_GUI_EXPORT QSupportedWritingSystems
73 QSupportedWritingSystems();
74 QSupportedWritingSystems(const QSupportedWritingSystems &other);
75 QSupportedWritingSystems &operator=(const QSupportedWritingSystems &other);
76 ~QSupportedWritingSystems();
78 void setSupported(QFontDatabase::WritingSystem, bool supported = true);
79 bool supported(QFontDatabase::WritingSystem) const;
84 QWritingSystemsPrivate *d;
86 friend Q_GUI_EXPORT bool operator==(const QSupportedWritingSystems &, const QSupportedWritingSystems &);
87 friend Q_GUI_EXPORT bool operator!=(const QSupportedWritingSystems &, const QSupportedWritingSystems &);
90 Q_GUI_EXPORT bool operator==(const QSupportedWritingSystems &, const QSupportedWritingSystems &);
91 Q_GUI_EXPORT bool operator!=(const QSupportedWritingSystems &, const QSupportedWritingSystems &);
93 class QFontRequestPrivate;
94 class QFontEngineMulti;
96 class Q_GUI_EXPORT QPlatformFontDatabase
99 virtual ~QPlatformFontDatabase();
100 virtual void populateFontDatabase();
101 virtual QFontEngineMulti *fontEngineMulti(QFontEngine *fontEngine, QUnicodeTables::Script script);
102 virtual QFontEngine *fontEngine(const QFontDef &fontDef, QUnicodeTables::Script script, void *handle);
103 virtual QStringList fallbacksForFamily(const QString family, const QFont::Style &style, const QFont::StyleHint &styleHint, const QUnicodeTables::Script &script) const;
104 virtual QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName);
105 virtual void releaseHandle(void *handle);
107 virtual QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference);
109 virtual QString fontDir() const;
111 virtual QFont defaultFont() const;
113 virtual QString resolveFontFamilyAlias(const QString &family) const;
114 virtual bool fontsAlwaysScalable() const;
115 virtual QList<int> standardSizes() const;
118 static void registerQPF2Font(const QByteArray &dataArray, void *handle);
119 static void registerFont(const QString &familyname, const QString &foundryname, QFont::Weight weight,
120 QFont::Style style, QFont::Stretch stretch, bool antialiased,
121 bool scalable, int pixelSize, bool fixedPitch,
122 const QSupportedWritingSystems &writingSystems, void *handle);
129 #endif // QPLATFORMFONTDATABASE_H