src/gui/text/qfontdatabase.h
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/text/qfontdatabase.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,177 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFONTDATABASE_H
+#define QFONTDATABASE_H
+
+#include <QtGui/qwindowdefs.h>
+#include <QtCore/qstring.h>
+#include <QtGui/qfont.h>
+#ifdef QT3_SUPPORT
+#include <QtCore/qstringlist.h>
+#include <QtCore/qlist.h>
+#endif
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QStringList;
+template <class T> class QList;
+struct QFontDef;
+class QFontEngine;
+
+class QFontDatabasePrivate;
+
+class Q_GUI_EXPORT QFontDatabase
+{
+    Q_GADGET
+    Q_ENUMS(WritingSystem)
+public:
+    // do not re-order or delete entries from this enum without updating the
+    // QPF2 format and makeqpf!!
+    enum WritingSystem {
+        Any,
+
+        Latin,
+        Greek,
+        Cyrillic,
+        Armenian,
+        Hebrew,
+        Arabic,
+        Syriac,
+        Thaana,
+        Devanagari,
+        Bengali,
+        Gurmukhi,
+        Gujarati,
+        Oriya,
+        Tamil,
+        Telugu,
+        Kannada,
+        Malayalam,
+        Sinhala,
+        Thai,
+        Lao,
+        Tibetan,
+        Myanmar,
+        Georgian,
+        Khmer,
+        SimplifiedChinese,
+        TraditionalChinese,
+        Japanese,
+        Korean,
+        Vietnamese,
+
+        Symbol,
+        Other = Symbol,
+
+        Ogham,
+        Runic,
+
+        WritingSystemsCount
+    };
+
+    static QList<int> standardSizes();
+
+    QFontDatabase();
+
+    QList<WritingSystem> writingSystems() const;
+    QList<WritingSystem> writingSystems(const QString &family) const;
+
+    QStringList families(WritingSystem writingSystem = Any) const;
+    QStringList styles(const QString &family) const;
+    QList<int> pointSizes(const QString &family, const QString &style = QString());
+    QList<int> smoothSizes(const QString &family, const QString &style);
+    QString styleString(const QFont &font);
+    QString styleString(const QFontInfo &fontInfo);
+
+    QFont font(const QString &family, const QString &style, int pointSize) const;
+
+    bool isBitmapScalable(const QString &family, const QString &style = QString()) const;
+    bool isSmoothlyScalable(const QString &family, const QString &style = QString()) const;
+    bool isScalable(const QString &family, const QString &style = QString()) const;
+    bool isFixedPitch(const QString &family, const QString &style = QString()) const;
+
+    bool italic(const QString &family, const QString &style) const;
+    bool bold(const QString &family, const QString &style) const;
+    int weight(const QString &family, const QString &style) const;
+
+    static QString writingSystemName(WritingSystem writingSystem);
+    static QString writingSystemSample(WritingSystem writingSystem);
+
+    static int addApplicationFont(const QString &fileName);
+    static int addApplicationFontFromData(const QByteArray &fontData);
+    static QStringList applicationFontFamilies(int id);
+    static bool removeApplicationFont(int id);
+    static bool removeAllApplicationFonts();
+
+    static bool supportsThreadedFontRendering();
+
+private:
+    static void createDatabase();
+    static void parseFontName(const QString &name, QString &foundry, QString &family);
+#if defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN)
+    static QFontEngine *findFont(int script, const QFontPrivate *fp, const QFontDef &request);
+#endif
+    static void load(const QFontPrivate *d, int script);
+#ifdef Q_WS_X11
+    static QFontEngine *loadXlfd(int screen, int script, const QFontDef &request, int force_encoding_id = -1);
+#endif
+
+    friend struct QFontDef;
+    friend class QFontPrivate;
+    friend class QFontDialog;
+    friend class QFontDialogPrivate;
+    friend class QFontEngineMultiXLFD;
+    friend class QFontEngineMultiQWS;
+    friend class QFontEngineMultiS60;
+
+    QFontDatabasePrivate *d;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QFONTDATABASE_H