Long live Qt for S60!

1 files changed, 116 insertions, 0 deletions

diff --git a/src/gui/text/qfontengine_s60_p.h b/src/gui/text/qfontengine_s60_p.h
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+++ b/src/gui/text/qfontengine_s60_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $TROLLTECH_DUAL_EMBEDDED_LICENSE$
+**
+****************************************************************************/
+
+#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 "qfontengine_p.h"
+#include "qsize.h"
+#include <OPENFONT.H>
+
+QT_BEGIN_NAMESPACE
+
+class CFbsBitmap;
+class CFbsBitmapDevice;
+class CFbsBitGc;
+class CFont;
+
+// ..gives us access to truetype tables, UTF-16<->GlyphID mapping, and glyph outlines
+class QFontEngineS60Extensions
+{
+public:
+    QFontEngineS60Extensions(COpenFont *font);
+
+    QByteArray getSfntTable(uint tag) const;
+    const unsigned char *cmap() const;
+    QPainterPath glyphOutline(glyph_t glyph) const;
+
+private:
+    COpenFont *m_font;
+    const MOpenFontShapingExtension *m_shapingExtension;
+    mutable MOpenFontTrueTypeExtension *m_trueTypeExtension;
+    mutable const unsigned char *m_cmap;
+    mutable bool m_symbolCMap;
+    mutable QByteArray m_cmapTable;
+};
+
+class QFontEngineS60 : public QFontEngine
+{
+public:
+    QFontEngineS60(const QFontDef &fontDef, const QFontEngineS60Extensions *extensions);
+    ~QFontEngineS60();
+
+    bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
+    void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags flags) const;
+
+    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;
+
+    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;
+
+private:
+    friend class QFontPrivate;
+
+    QFixed glyphAdvance(HB_Glyph glyph) const;
+    void getCharacterData(glyph_t glyph, TOpenFontCharMetrics& metrics, const TUint8*& bitmap, TSize& bitmapSize) const;
+
+    CFbsBitmap *m_textRenderBitmap;
+    CFbsBitmapDevice *m_textRenderBitmapDevice;
+    CFbsBitGc *m_textRenderBitmapGc;
+    CFont* m_font;
+    const QFontEngineS60Extensions *m_extensions;
+    qreal m_fontSizeInPixels;
+};
+
+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