1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/****************************************************************************
**
** 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 QABSTRACTFONTENGINE_P_H
#define QABSTRACTFONTENGINE_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 "qfontengine_p.h"
#include "qabstractfontengine_qws.h"
QT_BEGIN_NAMESPACE
class QCustomFontEngine;
class QProxyFontEngine : public QFontEngine
{
Q_OBJECT
public:
QProxyFontEngine(QAbstractFontEngine *engine, const QFontDef &def);
virtual ~QProxyFontEngine();
virtual bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
virtual void recalcAdvances(QGlyphLayout *, QTextEngine::ShaperFlags) const;
virtual QImage alphaMapForGlyph(glyph_t);
virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs, QPainterPath *path, QTextItem::RenderFlags flags);
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 QFixed averageCharWidth() const;
virtual QFixed lineThickness() const;
virtual QFixed underlinePosition() const;
virtual qreal maxCharWidth() const;
virtual qreal minLeftBearing() const;
virtual qreal minRightBearing() const;
virtual int glyphCount() const;
virtual bool canRender(const QChar *string, int len);
virtual Type type() const { return Proxy; }
virtual const char *name() const { return "proxy engine"; }
#if !defined(Q_WS_X11) && !defined(Q_WS_WIN) && !defined(Q_WS_MAC) && !defined(Q_OS_SYMBIAN)
virtual void draw(QPaintEngine *, qreal, qreal, const QTextItemInt &);
#endif
inline QAbstractFontEngine::Capabilities capabilities() const
{ return engineCapabilities; }
bool drawAsOutline() const;
private:
QAbstractFontEngine *engine;
QAbstractFontEngine::Capabilities engineCapabilities;
};
QT_END_NAMESPACE
#endif
|
