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/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QFONTENGINE_X11_P_H
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#define QFONTENGINE_X11_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists purely as an
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// implementation detail.  This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <private/qt_x11_p.h>
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#include <private/qfontengine_ft_p.h>
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QT_BEGIN_NAMESPACE
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class QFreetypeFace;
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// --------------------------------------------------------------------------
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class QFontEngineMultiXLFD : public QFontEngineMulti
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{
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public:
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    QFontEngineMultiXLFD(const QFontDef &r, const QList<int> &l, int s);
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    ~QFontEngineMultiXLFD();
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    void loadEngine(int at);
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private:
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    QList<int> encodings;
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    int screen;
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    QFontDef request;
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};
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/**
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 * \internal The font engine for X Logical Font Description (XLFD) fonts, which is for X11 systems without freetype.
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 */
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class QFontEngineXLFD : public QFontEngine
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{
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public:
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    QFontEngineXLFD(XFontStruct *f, const QByteArray &name, int mib);
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    ~QFontEngineXLFD();
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    virtual QFontEngine::FaceId faceId() const;
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    QFontEngine::Properties properties() const;
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    virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics);
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    virtual bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;
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    virtual int synthesized() const;
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    virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs,
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                      QTextEngine::ShaperFlags flags) const;
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    virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const;
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    virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
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    virtual glyph_metrics_t boundingBox(glyph_t glyph);
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    virtual void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags);
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    virtual QFixed ascent() const;
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    virtual QFixed descent() const;
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    virtual QFixed leading() const;
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    virtual qreal maxCharWidth() const;
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    virtual qreal minLeftBearing() const;
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    virtual qreal minRightBearing() const;
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    virtual QImage alphaMapForGlyph(glyph_t);
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    virtual inline Type type() const
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    { return QFontEngine::XLFD; }
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    virtual bool canRender(const QChar *string, int len);
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    virtual const char *name() const;
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    inline XFontStruct *fontStruct() const
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    { return _fs; }
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#ifndef QT_NO_FREETYPE
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    FT_Face non_locked_face() const;
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    glyph_t glyphIndexToFreetypeGlyphIndex(glyph_t g) const;
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#endif
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    uint toUnicode(glyph_t g) const;
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private:
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    QBitmap bitmapForGlyphs(const QGlyphLayout &glyphs, const glyph_metrics_t &metrics, QTextItem::RenderFlags flags = 0);
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    XFontStruct *_fs;
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    QByteArray _name;
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    QTextCodec *_codec;
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    int _cmap;
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    int lbearing, rbearing;
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    mutable QFontEngine::FaceId face_id;
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    mutable QFreetypeFace *freetype;
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    mutable int synth;
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};
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#ifndef QT_NO_FONTCONFIG
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class Q_GUI_EXPORT QFontEngineMultiFT : public QFontEngineMulti
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{
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public:
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    QFontEngineMultiFT(QFontEngine *fe, FcPattern *firstEnginePattern, FcPattern *p, int s, const QFontDef &request);
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    ~QFontEngineMultiFT();
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    void loadEngine(int at);
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private:
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    QFontDef request;
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    FcPattern *pattern;
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    FcPattern *firstEnginePattern;
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    FcFontSet *fontSet;
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    int screen;
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    int firstFontIndex; // first font in fontset
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};
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class Q_GUI_EXPORT QFontEngineX11FT : public QFontEngineFT
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{
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public:
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    explicit QFontEngineX11FT(const QFontDef &fontDef) : QFontEngineFT(fontDef) {}
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    explicit QFontEngineX11FT(FcPattern *pattern, const QFontDef &fd, int screen);
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    ~QFontEngineX11FT();
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    QFontEngine *cloneWithSize(qreal pixelSize) const;
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#ifndef QT_NO_XRENDER
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    int xglyph_format;
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#endif
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protected:
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    virtual bool uploadGlyphToServer(QGlyphSet *set, uint glyphid, Glyph *g, GlyphInfo *info, int glyphDataSize) const;
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    virtual unsigned long allocateServerGlyphSet();
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    virtual void freeServerGlyphSet(unsigned long id);
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};
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#endif // QT_NO_FONTCONFIG
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QT_END_NAMESPACE
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#endif // QFONTENGINE_X11_P_H