src/gui/text/qfontengine_win_p.h
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/text/qfontengine_win_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,153 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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_WIN_P_H
+#define QFONTENGINE_WIN_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 <QtCore/qconfig.h>
+
+QT_BEGIN_NAMESPACE
+
+class QNativeImage;
+
+class QFontEngineWin : public QFontEngine
+{
+public:
+    QFontEngineWin(const QString &name, HFONT, bool, LOGFONT);
+    ~QFontEngineWin();
+
+    virtual QFixed lineThickness() const;
+    virtual Properties properties() const;
+    virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics);
+    virtual FaceId faceId() const;
+    virtual bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;
+    virtual int synthesized() const;
+    virtual QFixed emSquareSize() const;
+
+    virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
+    virtual void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags) const;
+
+    virtual void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags);
+    virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
+                         QPainterPath *path, QTextItem::RenderFlags flags);
+
+    HGDIOBJ selectDesignFont() const;
+
+    virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
+    virtual glyph_metrics_t boundingBox(glyph_t g) { return boundingBox(g, QTransform()); }
+    virtual glyph_metrics_t boundingBox(glyph_t g, const QTransform &t);
+
+
+    virtual QFixed ascent() const;
+    virtual QFixed descent() const;
+    virtual QFixed leading() const;
+    virtual QFixed xHeight() const;
+    virtual QFixed averageCharWidth() const;
+    virtual qreal maxCharWidth() const;
+    virtual qreal minLeftBearing() const;
+    virtual qreal minRightBearing() const;
+
+    virtual const char *name() const;
+
+    bool canRender(const QChar *string, int len);
+
+    Type type() const;
+
+    virtual QImage alphaMapForGlyph(glyph_t t) { return alphaMapForGlyph(t, QTransform()); }
+    virtual QImage alphaMapForGlyph(glyph_t, const QTransform &xform);
+    virtual QImage alphaRGBMapForGlyph(glyph_t t, int margin, const QTransform &xform);
+
+    int getGlyphIndexes(const QChar *ch, int numChars, QGlyphLayout *glyphs, bool mirrored) const;
+    void getCMap();
+
+    QString     _name;
+    HFONT       hfont;
+    LOGFONT     logfont;
+    uint        stockFont  : 1;
+    uint        ttf        : 1;
+    uint        hasOutline : 1;
+    TEXTMETRIC  tm;
+    int         lw;
+    const unsigned char *cmap;
+    QByteArray cmapTable;
+    mutable qreal lbearing;
+    mutable qreal rbearing;
+    QFixed designToDevice;
+    int unitsPerEm;
+    QFixed x_height;
+    FaceId _faceId;
+
+    mutable int synthesized_flags;
+    mutable QFixed lineWidth;
+    mutable unsigned char *widthCache;
+    mutable uint widthCacheSize;
+    mutable QFixed *designAdvances;
+    mutable int designAdvancesSize;
+
+private:
+    QNativeImage *drawGDIGlyph(HFONT font, glyph_t, int margin, const QTransform &xform,
+                               QImage::Format mask_format);
+
+};
+
+class QFontEngineMultiWin : public QFontEngineMulti
+{
+public:
+    QFontEngineMultiWin(QFontEngineWin *first, const QStringList &fallbacks);
+    void loadEngine(int at);
+
+    QStringList fallbacks;
+};
+
+QT_END_NAMESPACE
+
+#endif // QFONTENGINE_WIN_P_H