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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/****************************************************************************
**
** Copyright (C) 2010 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 QPICTURE_H
#define QPICTURE_H
#include <QtCore/qstringlist.h>
#include <QtCore/qsharedpointer.h>
#include <QtGui/qpaintdevice.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#ifndef QT_NO_PICTURE
class QPicturePrivate;
class Q_GUI_EXPORT QPicture : public QPaintDevice
{
Q_DECLARE_PRIVATE(QPicture)
public:
explicit QPicture(int formatVersion = -1);
QPicture(const QPicture &);
~QPicture();
bool isNull() const;
int devType() const;
uint size() const;
const char* data() const;
virtual void setData(const char* data, uint size);
bool play(QPainter *p);
bool load(QIODevice *dev, const char *format = 0);
bool load(const QString &fileName, const char *format = 0);
bool save(QIODevice *dev, const char *format = 0);
bool save(const QString &fileName, const char *format = 0);
QRect boundingRect() const;
void setBoundingRect(const QRect &r);
QPicture& operator=(const QPicture &p);
void detach();
bool isDetached() const;
friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &in, const QPicture &p);
friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &in, QPicture &p);
static const char* pictureFormat(const QString &fileName);
static QList<QByteArray> inputFormats();
static QList<QByteArray> outputFormats();
static QStringList inputFormatList();
static QStringList outputFormatList();
QPaintEngine *paintEngine() const;
protected:
QPicture(QPicturePrivate &data);
int metric(PaintDeviceMetric m) const;
#ifdef QT3_SUPPORT
inline QT3_SUPPORT QPicture copy() const { QPicture p(*this); p.detach(); return p; }
#endif
private:
bool exec(QPainter *p, QDataStream &ds, int i);
void detach_helper();
QExplicitlySharedDataPointer<QPicturePrivate> d_ptr;
friend class QPicturePaintEngine;
friend class Q3Picture;
friend class QAlphaPaintEngine;
friend class QPreviewPaintEngine;
public:
typedef QExplicitlySharedDataPointer<QPicturePrivate> DataPtr;
inline DataPtr &data_ptr() { return d_ptr; }
};
Q_DECLARE_SHARED(QPicture)
#ifndef QT_NO_PICTUREIO
class QIODevice;
class QPictureIO;
typedef void (*picture_io_handler)(QPictureIO *); // picture IO handler
struct QPictureIOData;
class Q_GUI_EXPORT QPictureIO
{
public:
QPictureIO();
QPictureIO(QIODevice *ioDevice, const char *format);
QPictureIO(const QString &fileName, const char *format);
~QPictureIO();
const QPicture &picture() const;
int status() const;
const char *format() const;
QIODevice *ioDevice() const;
QString fileName() const;
int quality() const;
QString description() const;
const char *parameters() const;
float gamma() const;
void setPicture(const QPicture &);
void setStatus(int);
void setFormat(const char *);
void setIODevice(QIODevice *);
void setFileName(const QString &);
void setQuality(int);
void setDescription(const QString &);
void setParameters(const char *);
void setGamma(float);
bool read();
bool write();
static QByteArray pictureFormat(const QString &fileName);
static QByteArray pictureFormat(QIODevice *);
static QList<QByteArray> inputFormats();
static QList<QByteArray> outputFormats();
static void defineIOHandler(const char *format,
const char *header,
const char *flags,
picture_io_handler read_picture,
picture_io_handler write_picture);
private:
Q_DISABLE_COPY(QPictureIO)
void init();
QPictureIOData *d;
};
#endif //QT_NO_PICTUREIO
/*****************************************************************************
QPicture stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QPicture &);
Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QPicture &);
#endif
#endif // QT_NO_PICTURE
QT_END_NAMESPACE
QT_END_HEADER
#endif // QPICTURE_H
|
