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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_S60_P_H
+#define QFONTENGINE_S60_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 "qconfig.h"
+#include <private/qfontengine_p.h>
+#include "qsize.h"
+#include <openfont.h>
+
+// The glyph outline code is intentionally disabled. It will be reactivated as
+// soon as the glyph outline API is backported from Symbian(^4) to Symbian(^3).
+#if 0
+#define Q_SYMBIAN_HAS_GLYPHOUTLINE_API
+#endif
+
+class CFont;
+
+QT_BEGIN_NAMESPACE
+
+// ..gives us access to truetype tables
+class QSymbianTypeFaceExtras
+{
+public:
+ QSymbianTypeFaceExtras(CFont* cFont, COpenFont *openFont = 0);
+ ~QSymbianTypeFaceExtras();
+
+ QByteArray getSfntTable(uint tag) const;
+ bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;
+ const uchar *cmap() const;
+ CFont *fontOwner() const;
+ bool isSymbolCMap() const;
+ QFixed unitsPerEm() const;
+ static bool symbianFontTableApiAvailable();
+
+private:
+ CFont* m_cFont;
+ mutable bool m_symbolCMap;
+ mutable QByteArray m_cmapTable;
+ mutable QFixed m_unitsPerEm;
+
+ // m_openFont and m_openFont are used if Symbian does not provide
+ // the Font Table API
+ COpenFont *m_openFont;
+ mutable MOpenFontTrueTypeExtension *m_trueTypeExtension;
+};
+
+class QFontEngineS60 : public QFontEngine
+{
+public:
+ QFontEngineS60(const QFontDef &fontDef, const QSymbianTypeFaceExtras *extras);
+ ~QFontEngineS60();
+
+ QFixed emSquareSize() const;
+ bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
+ void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const;
+
+ void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
+ QPainterPath *path, QTextItem::RenderFlags flags);
+
+ QImage alphaMapForGlyph(glyph_t glyph);
+
+ glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
+ glyph_metrics_t boundingBox_const(glyph_t glyph) const; // Const correctnes quirk.
+ glyph_metrics_t boundingBox(glyph_t glyph);
+
+ QFixed ascent() const;
+ QFixed descent() const;
+ QFixed leading() const;
+ qreal maxCharWidth() const;
+ qreal minLeftBearing() const { return 0; }
+ qreal minRightBearing() const { return 0; }
+
+ QByteArray getSfntTable(uint tag) const;
+ bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;
+
+ static qreal pixelsToPoints(qreal pixels, Qt::Orientation orientation = Qt::Horizontal);
+ static qreal pointsToPixels(qreal points, Qt::Orientation orientation = Qt::Horizontal);
+
+ const char *name() const;
+
+ bool canRender(const QChar *string, int len);
+
+ Type type() const;
+
+ void getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metrics, const TUint8*& bitmap, TSize& bitmapSize) const;
+ void setFontScale(qreal scale);
+
+private:
+ friend class QFontPrivate;
+ friend class QSymbianVGFontGlyphCache;
+
+ QFixed glyphAdvance(HB_Glyph glyph) const;
+ CFont *fontWithSize(qreal size) const;
+ static void releaseFont(CFont *&font);
+
+ const QSymbianTypeFaceExtras *m_extras;
+ CFont* m_originalFont;
+ const qreal m_originalFontSizeInPixels;
+ CFont* m_scaledFont;
+ qreal m_scaledFontSizeInPixels;
+ CFont* m_activeFont;
+};
+
+class QFontEngineMultiS60 : public QFontEngineMulti
+{
+public:
+ QFontEngineMultiS60(QFontEngine *first, int script, const QStringList &fallbackFamilies);
+ void loadEngine(int at);
+
+ int m_script;
+ QStringList m_fallbackFamilies;
+};
+
+QT_END_NAMESPACE
+
+#endif // QFONTENGINE_S60_P_H