source: trunk/src/gui/text/qfontengine_win_p.h@ 234

Last change on this file since 234 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 5.4 KB
Line 
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3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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41
42#ifndef QFONTENGINE_WIN_P_H
43#define QFONTENGINE_WIN_P_H
44
45//
46// W A R N I N G
47// -------------
48//
49// This file is not part of the Qt API. It exists purely as an
50// implementation detail. This header file may change from version to
51// version without notice, or even be removed.
52//
53// We mean it.
54//
55
56#include <QtCore/qconfig.h>
57
58QT_BEGIN_NAMESPACE
59
60class QNativeImage;
61
62class QFontEngineWin : public QFontEngine
63{
64public:
65 QFontEngineWin(const QString &name, HFONT, bool, LOGFONT);
66 ~QFontEngineWin();
67
68 virtual QFixed lineThickness() const;
69 virtual Properties properties() const;
70 virtual void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics);
71 virtual FaceId faceId() const;
72 virtual bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;
73 virtual int synthesized() const;
74 virtual QFixed emSquareSize() const;
75
76 virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
77 virtual void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags) const;
78
79 virtual void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags);
80 virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
81 QPainterPath *path, QTextItem::RenderFlags flags);
82
83 HGDIOBJ selectDesignFont(QFixed *) const;
84
85 virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
86 virtual glyph_metrics_t boundingBox(glyph_t g) { return boundingBox(g, QTransform()); }
87 virtual glyph_metrics_t boundingBox(glyph_t g, const QTransform &t);
88
89
90 virtual QFixed ascent() const;
91 virtual QFixed descent() const;
92 virtual QFixed leading() const;
93 virtual QFixed xHeight() const;
94 virtual QFixed averageCharWidth() const;
95 virtual qreal maxCharWidth() const;
96 virtual qreal minLeftBearing() const;
97 virtual qreal minRightBearing() const;
98
99 virtual const char *name() const;
100
101 bool canRender(const QChar *string, int len);
102
103 Type type() const;
104
105 virtual QImage alphaMapForGlyph(glyph_t t) { return alphaMapForGlyph(t, QTransform()); }
106 virtual QImage alphaMapForGlyph(glyph_t, const QTransform &xform);
107 virtual QImage alphaRGBMapForGlyph(glyph_t t, int margin, const QTransform &xform);
108
109 int getGlyphIndexes(const QChar *ch, int numChars, QGlyphLayout *glyphs, bool mirrored) const;
110 void getCMap();
111
112 QString _name;
113 HFONT hfont;
114 LOGFONT logfont;
115 uint stockFont : 1;
116 uint useTextOutA : 1;
117 uint ttf : 1;
118 uint hasOutline : 1;
119 union {
120 TEXTMETRICW w;
121 TEXTMETRICA a;
122 } tm;
123 int lw;
124 const unsigned char *cmap;
125 QByteArray cmapTable;
126 mutable qreal lbearing;
127 mutable qreal rbearing;
128 QFixed designToDevice;
129 int unitsPerEm;
130 QFixed x_height;
131 FaceId _faceId;
132
133 mutable int synthesized_flags;
134 mutable QFixed lineWidth;
135 mutable unsigned char *widthCache;
136 mutable uint widthCacheSize;
137 mutable QFixed *designAdvances;
138 mutable int designAdvancesSize;
139
140private:
141 QNativeImage *drawGDIGlyph(HFONT font, glyph_t, int margin, const QTransform &xform);
142
143};
144
145class QFontEngineMultiWin : public QFontEngineMulti
146{
147public:
148 QFontEngineMultiWin(QFontEngineWin *first, const QStringList &fallbacks);
149 void loadEngine(int at);
150
151 QStringList fallbacks;
152};
153
154QT_END_NAMESPACE
155
156#endif // QFONTENGINE_WIN_P_H
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