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
|
/****************************************************************************
**
** 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 QIMAGE_P_H
#define QIMAGE_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 <QtCore/qglobal.h>
#include <QVector>
#ifndef QT_NO_IMAGE_TEXT
#include <QMap>
#endif
QT_BEGIN_NAMESPACE
class QImageWriter;
struct Q_GUI_EXPORT QImageData { // internal image data
QImageData();
~QImageData();
static QImageData *create(const QSize &size, QImage::Format format, int numColors = 0);
static QImageData *create(uchar *data, int w, int h, int bpl, QImage::Format format, bool readOnly);
QAtomicInt ref;
int width;
int height;
int depth;
int nbytes; // number of bytes data
QVector<QRgb> colortable;
uchar *data;
#ifdef QT3_SUPPORT
uchar **jumptable;
#endif
QImage::Format format;
int bytes_per_line;
int ser_no; // serial number
int detach_no;
qreal dpmx; // dots per meter X (or 0)
qreal dpmy; // dots per meter Y (or 0)
QPoint offset; // offset in pixels
uint own_data : 1;
uint ro_data : 1;
uint has_alpha_clut : 1;
uint is_cached : 1;
bool checkForAlphaPixels() const;
// Convert the image in-place, minimizing memory reallocation
// Return false if the conversion cannot be done in-place.
bool convertInPlace(QImage::Format newFormat, Qt::ImageConversionFlags);
#ifndef QT_NO_IMAGE_TEXT
QMap<QString, QString> text;
#endif
bool doImageIO(const QImage *image, QImageWriter* io, int quality) const;
QPaintEngine *paintEngine;
};
void qInitImageConversions();
Q_GUI_EXPORT void qGamma_correct_back_to_linear_cs(QImage *image);
inline int qt_depthForFormat(QImage::Format format)
{
int depth = 0;
switch(format) {
case QImage::Format_Invalid:
case QImage::NImageFormats:
Q_ASSERT(false);
case QImage::Format_Mono:
case QImage::Format_MonoLSB:
depth = 1;
break;
case QImage::Format_Indexed8:
depth = 8;
break;
case QImage::Format_RGB32:
case QImage::Format_ARGB32:
case QImage::Format_ARGB32_Premultiplied:
depth = 32;
break;
case QImage::Format_RGB555:
case QImage::Format_RGB16:
case QImage::Format_RGB444:
case QImage::Format_ARGB4444_Premultiplied:
depth = 16;
break;
case QImage::Format_RGB666:
case QImage::Format_ARGB6666_Premultiplied:
case QImage::Format_ARGB8565_Premultiplied:
case QImage::Format_ARGB8555_Premultiplied:
case QImage::Format_RGB888:
depth = 24;
break;
}
return depth;
}
QT_END_NAMESPACE
#endif
|
