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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/****************************************************************************
**
** Copyright (C) 2012 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QRAWFONT_H
#define QRAWFONT_H
#include <QtCore/qstring.h>
#include <QtCore/qiodevice.h>
#include <QtCore/qglobal.h>
#include <QtCore/qobject.h>
#include <QtCore/qpoint.h>
#include <QtGui/qfont.h>
#include <QtGui/qtransform.h>
#include <QtGui/qfontdatabase.h>
#if !defined(QT_NO_RAWFONT)
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QRawFontPrivate;
class Q_GUI_EXPORT QRawFont
{
public:
enum AntialiasingType {
PixelAntialiasing,
SubPixelAntialiasing
};
QRawFont();
QRawFont(const QString &fileName,
qreal pixelSize,
QFont::HintingPreference hintingPreference = QFont::PreferDefaultHinting);
QRawFont(const QByteArray &fontData,
qreal pixelSize,
QFont::HintingPreference hintingPreference = QFont::PreferDefaultHinting);
QRawFont(const QRawFont &other);
~QRawFont();
bool isValid() const;
QRawFont &operator=(const QRawFont &other);
bool operator==(const QRawFont &other) const;
inline bool operator!=(const QRawFont &other) const
{ return !operator==(other); }
QString familyName() const;
QString styleName() const;
QFont::Style style() const;
int weight() const;
QVector<quint32> glyphIndexesForString(const QString &text) const;
QVector<QPointF> advancesForGlyphIndexes(const QVector<quint32> &glyphIndexes) const;
bool glyphIndexesForChars(const QChar *chars, int numChars, quint32 *glyphIndexes, int *numGlyphs) const;
bool advancesForGlyphIndexes(const quint32 *glyphIndexes, QPointF *advances, int numGlyphs) const;
QImage alphaMapForGlyph(quint32 glyphIndex,
AntialiasingType antialiasingType = SubPixelAntialiasing,
const QTransform &transform = QTransform()) const;
QPainterPath pathForGlyph(quint32 glyphIndex) const;
QRectF boundingRect(quint32 glyphIndex) const;
void setPixelSize(qreal pixelSize);
qreal pixelSize() const;
QFont::HintingPreference hintingPreference() const;
qreal ascent() const;
qreal descent() const;
qreal leading() const;
qreal xHeight() const;
qreal averageCharWidth() const;
qreal maxCharWidth() const;
qreal lineThickness() const;
qreal underlinePosition() const;
qreal unitsPerEm() const;
void loadFromFile(const QString &fileName,
qreal pixelSize,
QFont::HintingPreference hintingPreference);
void loadFromData(const QByteArray &fontData,
qreal pixelSize,
QFont::HintingPreference hintingPreference);
bool supportsCharacter(quint32 ucs4) const;
bool supportsCharacter(const QChar &character) const;
QList<QFontDatabase::WritingSystem> supportedWritingSystems() const;
QByteArray fontTable(const char *tagName) const;
static QRawFont fromFont(const QFont &font,
QFontDatabase::WritingSystem writingSystem = QFontDatabase::Any);
private:
friend class QRawFontPrivate;
friend class QTextLayout;
QExplicitlySharedDataPointer<QRawFontPrivate> d;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QT_NO_RAWFONT
#endif // QRAWFONT_H
|