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
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QIMAGEREADER_H
#define QIMAGEREADER_H
#include <QtCore/qbytearray.h>
#include <QtGui/qimage.h>
#include <QtGui/qimageiohandler.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QColor;
class QIODevice;
class QRect;
class QSize;
class QStringList;
class QImageReaderPrivate;
class Q_GUI_EXPORT QImageReader
{
public:
enum ImageReaderError {
UnknownError,
FileNotFoundError,
DeviceError,
UnsupportedFormatError,
InvalidDataError
};
QImageReader();
explicit QImageReader(QIODevice *device, const QByteArray &format = QByteArray());
explicit QImageReader(const QString &fileName, const QByteArray &format = QByteArray());
~QImageReader();
void setFormat(const QByteArray &format);
QByteArray format() const;
void setAutoDetectImageFormat(bool enabled);
bool autoDetectImageFormat() const;
void setDecideFormatFromContent(bool ignored);
bool decideFormatFromContent() const;
void setDevice(QIODevice *device);
QIODevice *device() const;
void setFileName(const QString &fileName);
QString fileName() const;
QSize size() const;
QImage::Format imageFormat() const;
QStringList textKeys() const;
QString text(const QString &key) const;
void setClipRect(const QRect &rect);
QRect clipRect() const;
void setScaledSize(const QSize &size);
QSize scaledSize() const;
void setQuality(int quality);
int quality() const;
void setScaledClipRect(const QRect &rect);
QRect scaledClipRect() const;
void setBackgroundColor(const QColor &color);
QColor backgroundColor() const;
bool supportsAnimation() const;
bool canRead() const;
QImage read();
bool read(QImage *image);
bool jumpToNextImage();
bool jumpToImage(int imageNumber);
int loopCount() const;
int imageCount() const;
int nextImageDelay() const;
int currentImageNumber() const;
QRect currentImageRect() const;
ImageReaderError error() const;
QString errorString() const;
bool supportsOption(QImageIOHandler::ImageOption option) const;
static QByteArray imageFormat(const QString &fileName);
static QByteArray imageFormat(QIODevice *device);
static QList<QByteArray> supportedImageFormats();
private:
Q_DISABLE_COPY(QImageReader)
QImageReaderPrivate *d;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QIMAGEREADER_H
|
