src/gui/text/qfontengine_x11_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/text/qfontengine_x11_p.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 QFONTENGINE_X11_P_H
+#define QFONTENGINE_X11_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+#include <private/qt_x11_p.h>
+
+#include <private/qfontengine_ft_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QFreetypeFace;
+
+// --------------------------------------------------------------------------
+
+class QFontEngineMultiXLFD : public QFontEngineMulti
+{
+public:
+    QFontEngineMultiXLFD(const QFontDef &r, const QList<int> &l, int s);
+    ~QFontEngineMultiXLFD();
+
+    void loadEngine(int at);
+
+private:
+    QList<int> encodings;
+    int screen;
+    QFontDef request;
+};
+
+/**
+ * \internal The font engine for X Logical Font Description (XLFD) fonts, which is for X11 systems without freetype.
+ */
+class QFontEngineXLFD : public QFontEngine
+{
+public:
+    QFontEngineXLFD(XFontStruct *f, const QByteArray &name, int mib);
+    ~QFontEngineXLFD();
+
+    virtual QFontEngine::FaceId faceId() const;
+    QFontEngine::Properties properties() const;
+    virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics);
+    virtual bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;
+    virtual int synthesized() const;
+
+    virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs,
+                      QTextEngine::ShaperFlags flags) const;
+    virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const;
+
+    virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
+    virtual glyph_metrics_t boundingBox(glyph_t glyph);
+
+    virtual void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags);
+    virtual QFixed ascent() const;
+    virtual QFixed descent() const;
+    virtual QFixed leading() const;
+    virtual qreal maxCharWidth() const;
+    virtual qreal minLeftBearing() const;
+    virtual qreal minRightBearing() const;
+    virtual QImage alphaMapForGlyph(glyph_t);
+
+    virtual inline Type type() const
+    { return QFontEngine::XLFD; }
+
+    virtual bool canRender(const QChar *string, int len);
+    virtual const char *name() const;
+
+    inline XFontStruct *fontStruct() const
+    { return _fs; }
+
+#ifndef QT_NO_FREETYPE
+    FT_Face non_locked_face() const;
+    glyph_t glyphIndexToFreetypeGlyphIndex(glyph_t g) const;
+#endif
+    uint toUnicode(glyph_t g) const;
+
+private:
+    QBitmap bitmapForGlyphs(const QGlyphLayout &glyphs, const glyph_metrics_t &metrics, QTextItem::RenderFlags flags = 0);
+
+    XFontStruct *_fs;
+    QByteArray _name;
+    QTextCodec *_codec;
+    int _cmap;
+    int lbearing, rbearing;
+    mutable QFontEngine::FaceId face_id;
+    mutable QFreetypeFace *freetype;
+    mutable int synth;
+};
+
+#ifndef QT_NO_FONTCONFIG
+
+class Q_GUI_EXPORT QFontEngineMultiFT : public QFontEngineMulti
+{
+public:
+    QFontEngineMultiFT(QFontEngine *fe, FcPattern *firstEnginePattern, FcPattern *p, int s, const QFontDef &request);
+    ~QFontEngineMultiFT();
+
+    void loadEngine(int at);
+
+private:
+    QFontDef request;
+    FcPattern *pattern;
+    FcPattern *firstEnginePattern;
+    FcFontSet *fontSet;
+    int screen;
+    int firstFontIndex; // first font in fontset
+};
+
+class Q_GUI_EXPORT QFontEngineX11FT : public QFontEngineFT
+{
+public:
+    explicit QFontEngineX11FT(FcPattern *pattern, const QFontDef &fd, int screen);
+    ~QFontEngineX11FT();
+
+#ifndef QT_NO_XRENDER
+    int xglyph_format;
+#endif
+
+protected:
+    virtual bool uploadGlyphToServer(QGlyphSet *set, uint glyphid, Glyph *g, GlyphInfo *info, int glyphDataSize) const;
+    virtual unsigned long allocateServerGlyphSet();
+    virtual void freeServerGlyphSet(unsigned long id);
+};
+
+#endif // QT_NO_FONTCONFIG
+
+QT_END_NAMESPACE
+
+#endif // QFONTENGINE_X11_P_H