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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_CORETEXT_P_H
+#define QFONTENGINE_CORETEXT_P_H
+
+#include <private/qfontengine_p.h>
+
+#if !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
+
+class QRawFontPrivate;
+class QCoreTextFontEngineMulti;
+class QCoreTextFontEngine : public QFontEngine
+{
+public:
+ QCoreTextFontEngine(CTFontRef font, const QFontDef &def);
+ QCoreTextFontEngine(CGFontRef font, const QFontDef &def);
+ ~QCoreTextFontEngine();
+
+ 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 QFixed ascent() const;
+ virtual QFixed descent() const;
+ virtual QFixed leading() const;
+ virtual QFixed xHeight() const;
+ virtual qreal maxCharWidth() const;
+ virtual QFixed averageCharWidth() const;
+
+ virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int numGlyphs,
+ QPainterPath *path, QTextItem::RenderFlags);
+
+ virtual const char *name() const { return "QCoreTextFontEngine"; }
+
+ virtual bool canRender(const QChar *string, int len);
+
+ virtual int synthesized() const { return synthesisFlags; }
+ virtual bool supportsSubPixelPositions() const { return true; }
+
+ virtual Type type() const { return QFontEngine::Mac; }
+
+ void draw(CGContextRef ctx, qreal x, qreal y, const QTextItemInt &ti, int paintDeviceHeight);
+
+ virtual FaceId faceId() const;
+ virtual bool getSfntTableData(uint /*tag*/, uchar * /*buffer*/, uint * /*length*/) const;
+ virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics);
+ virtual QImage alphaMapForGlyph(glyph_t, QFixed subPixelPosition);
+ virtual QImage alphaRGBMapForGlyph(glyph_t, QFixed subPixelPosition, int margin, const QTransform &t);
+ virtual qreal minRightBearing() const;
+ virtual qreal minLeftBearing() const;
+ virtual QFixed emSquareSize() const;
+
+ virtual QFontEngine *cloneWithSize(qreal pixelSize) const;
+
+private:
+ friend class QRawFontPrivate;
+
+ void init();
+ QImage imageForGlyph(glyph_t glyph, QFixed subPixelPosition, int margin, bool colorful);
+ CTFontRef ctfont;
+ CGFontRef cgFont;
+ int synthesisFlags;
+ CGAffineTransform transform;
+ QFixed avgCharWidth;
+ qreal ctMaxCharWidth;
+ qreal ctMinLeftBearing;
+ qreal ctMinRightBearing;
+ friend class QCoreTextFontEngineMulti;
+};
+
+class QCoreTextFontEngineMulti : public QFontEngineMulti
+{
+public:
+ QCoreTextFontEngineMulti(const QCFString &name, const QFontDef &fontDef, bool kerning);
+ QCoreTextFontEngineMulti(CGFontRef cgFontRef, const QFontDef &fontDef, bool kerning);
+ ~QCoreTextFontEngineMulti();
+
+ virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs,
+ QTextEngine::ShaperFlags flags) const;
+ bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs,
+ QTextEngine::ShaperFlags flags,
+ unsigned short *logClusters, const HB_CharAttributes *charAttributes,
+ QScriptItem *si) const;
+
+ virtual const char *name() const { return "CoreText"; }
+ inline CTFontRef macFontID() const { return ctfont; }
+
+protected:
+ virtual void loadEngine(int at);
+
+private:
+ void init(bool kerning);
+ inline const QCoreTextFontEngine *engineAt(int i) const
+ { return static_cast<const QCoreTextFontEngine *>(engines.at(i)); }
+
+ uint fontIndexForFont(CTFontRef font) const;
+ CTFontRef ctfont;
+ mutable QCFType<CFMutableDictionaryRef> attributeDict;
+ CGAffineTransform transform;
+ friend class QFontDialogPrivate;
+};
+
+#endif// !defined(Q_WS_MAC) || (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
+
+#endif // QFONTENGINE_CORETEXT_P_H