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
|
/****************************************************************************
**
** 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 QPIXMAPDATA_P_H
#define QPIXMAPDATA_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 <QtGui/qpixmap.h>
#include <QtCore/qatomic.h>
QT_BEGIN_NAMESPACE
class QImageReader;
class Q_GUI_EXPORT QPixmapData
{
public:
enum PixelType {
// WARNING: Do not change the first two
// Must match QPixmap::Type
PixmapType, BitmapType
};
#if defined(Q_OS_SYMBIAN)
enum NativeType {
FbsBitmap,
SgImage,
VolatileImage
};
#endif
enum ClassId { RasterClass, X11Class, MacClass, DirectFBClass,
OpenGLClass, OpenVGClass, RuntimeClass, CustomClass = 1024 };
QPixmapData(PixelType pixelType, int classId);
virtual ~QPixmapData();
virtual QPixmapData *createCompatiblePixmapData() const;
virtual void resize(int width, int height) = 0;
virtual void fromImage(const QImage &image,
Qt::ImageConversionFlags flags) = 0;
virtual void fromImageReader(QImageReader *imageReader,
Qt::ImageConversionFlags flags);
virtual bool fromFile(const QString &filename, const char *format,
Qt::ImageConversionFlags flags);
virtual bool fromData(const uchar *buffer, uint len, const char *format,
Qt::ImageConversionFlags flags);
virtual void copy(const QPixmapData *data, const QRect &rect);
virtual bool scroll(int dx, int dy, const QRect &rect);
virtual int metric(QPaintDevice::PaintDeviceMetric metric) const = 0;
virtual void fill(const QColor &color) = 0;
virtual QBitmap mask() const;
virtual void setMask(const QBitmap &mask);
virtual bool hasAlphaChannel() const = 0;
virtual QPixmap transformed(const QTransform &matrix,
Qt::TransformationMode mode) const;
virtual void setAlphaChannel(const QPixmap &alphaChannel);
virtual QPixmap alphaChannel() const;
virtual QImage toImage() const = 0;
virtual QImage toImage(const QRect &rect) const;
virtual QPaintEngine* paintEngine() const = 0;
inline int serialNumber() const { return ser_no; }
inline PixelType pixelType() const { return type; }
inline ClassId classId() const { return static_cast<ClassId>(id); }
virtual QImage* buffer();
inline int width() const { return w; }
inline int height() const { return h; }
QT_DEPRECATED inline int numColors() const { return metric(QPaintDevice::PdmNumColors); }
inline int colorCount() const { return metric(QPaintDevice::PdmNumColors); }
inline int depth() const { return d; }
inline bool isNull() const { return is_null; }
inline qint64 cacheKey() const {
int classKey = id;
if (classKey >= 1024)
classKey = -(classKey >> 10);
return ((((qint64) classKey) << 56)
| (((qint64) ser_no) << 32)
| ((qint64) detach_no));
}
#if defined(Q_OS_SYMBIAN)
virtual void* toNativeType(NativeType type);
virtual void fromNativeType(void* pixmap, NativeType type);
#endif
static QPixmapData *create(int w, int h, PixelType type);
virtual QPixmapData *runtimeData() const { return 0; }
protected:
void setSerialNumber(int serNo);
int w;
int h;
int d;
bool is_null;
private:
friend class QPixmap;
friend class QX11PixmapData;
friend class QS60PixmapData;
friend class QImagePixmapCleanupHooks; // Needs to set is_cached
friend class QGLTextureCache; //Needs to check the reference count
friend class QExplicitlySharedDataPointer<QPixmapData>;
QAtomicInt ref;
int detach_no;
PixelType type;
int id;
int ser_no;
uint is_cached;
};
# define QT_XFORM_TYPE_MSBFIRST 0
# define QT_XFORM_TYPE_LSBFIRST 1
# if defined(Q_WS_WIN)
# define QT_XFORM_TYPE_WINDOWSPIXMAP 2
# endif
extern bool qt_xForm_helper(const QTransform&, int, int, int, uchar*, int, int, int, const uchar*, int, int, int);
QT_END_NAMESPACE
#endif // QPIXMAPDATA_P_H
|
