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/****************************************************************************
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**
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** Copyright (C) 2009 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 of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: 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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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QFONTENGINE_S60_P_H
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#define QFONTENGINE_S60_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 "qconfig.h"
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#include "qfontengine_p.h"
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#include "qsize.h"
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#include <OPENFONT.H>
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class CFbsBitmap;
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class CFbsBitmapDevice;
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class CFbsBitGc;
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class CFont;
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QT_BEGIN_NAMESPACE
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// ..gives us access to truetype tables, UTF-16<->GlyphID mapping, and glyph outlines
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class QFontEngineS60Extensions
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{
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public:
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QFontEngineS60Extensions(CFont* fontOwner, COpenFont *font);
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QByteArray getSfntTable(uint tag) const;
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const unsigned char *cmap() const;
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QPainterPath glyphOutline(glyph_t glyph) const;
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CFont *fontOwner() const;
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private:
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COpenFont *m_font;
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const MOpenFontShapingExtension *m_shapingExtension;
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mutable MOpenFontTrueTypeExtension *m_trueTypeExtension;
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mutable const unsigned char *m_cmap;
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mutable bool m_symbolCMap;
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mutable QByteArray m_cmapTable;
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CFont* m_fontOwner;
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};
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class QFontEngineS60 : public QFontEngine
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{
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public:
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QFontEngineS60(const QFontDef &fontDef, const QFontEngineS60Extensions *extensions);
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~QFontEngineS60();
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bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
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void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const;
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QImage alphaMapForGlyph(glyph_t glyph);
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glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
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glyph_metrics_t boundingBox_const(glyph_t glyph) const; // Const correctnes quirk.
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glyph_metrics_t boundingBox(glyph_t glyph);
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QFixed ascent() const;
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QFixed descent() const;
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QFixed leading() const;
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qreal maxCharWidth() const;
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qreal minLeftBearing() const { return 0; }
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qreal minRightBearing() const { return 0; }
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QByteArray getSfntTable(uint tag) const;
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static qreal pixelsToPoints(qreal pixels, Qt::Orientation orientation = Qt::Horizontal);
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static qreal pointsToPixels(qreal points, Qt::Orientation orientation = Qt::Horizontal);
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const char *name() const;
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bool canRender(const QChar *string, int len);
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Type type() const;
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void getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metrics, const TUint8*& bitmap, TSize& bitmapSize) const;
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private:
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friend class QFontPrivate;
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QFixed glyphAdvance(HB_Glyph glyph) const;
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CFbsBitmap *m_textRenderBitmap;
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CFbsBitmapDevice *m_textRenderBitmapDevice;
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CFbsBitGc *m_textRenderBitmapGc;
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CFont* m_font;
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const QFontEngineS60Extensions *m_extensions;
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qreal m_fontSizeInPixels;
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};
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class QFontEngineMultiS60 : public QFontEngineMulti
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{
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public:
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QFontEngineMultiS60(QFontEngine *first, int script, const QStringList &fallbackFamilies);
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void loadEngine(int at);
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int m_script;
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QStringList m_fallbackFamilies;
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};
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QT_END_NAMESPACE
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#endif // QFONTENGINE_S60_P_H
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