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/****************************************************************************
**
** Copyright (C) 2011 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(const QFontDef &fontDef) : QFontEngineFT(fontDef) {}
explicit QFontEngineX11FT(FcPattern *pattern, const QFontDef &fd, int screen);
~QFontEngineX11FT();
QFontEngine *cloneWithSize(qreal pixelSize) const;
#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
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