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
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the plugins 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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 are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDIRECTFBSCREEN_H
#define QDIRECTFBSCREEN_H
#include <QtGui/qscreen_qws.h>
#include <directfb.h>
QT_BEGIN_HEADER
QT_MODULE(Gui)
#define Q_DIRECTFB_VERSION ((DIRECTFB_MAJOR_VERSION << 16) | (DIRECTFB_MINOR_VERION << 8) | DIRECTFB_MICRO_VERSION)
class QDirectFBScreenPrivate;
class Q_GUI_EXPORT QDirectFBScreen : public QScreen
{
public:
QDirectFBScreen(int display_id);
~QDirectFBScreen();
bool connect(const QString &displaySpec);
void disconnect();
bool initDevice();
void shutdownDevice();
void exposeRegion(QRegion r, int changing);
void blit(const QImage &img, const QPoint &topLeft, const QRegion ®ion);
void scroll(const QRegion ®ion, const QPoint &offset);
void solidFill(const QColor &color, const QRegion ®ion);
void setMode(int width, int height, int depth);
void blank(bool on);
QWSWindowSurface* createSurface(QWidget *widget) const;
QWSWindowSurface* createSurface(const QString &key) const;
static inline QDirectFBScreen* instance() {
QScreen *inst = QScreen::instance();
Q_ASSERT(!inst || inst->classId() == QScreen::DirectFBClass);
return static_cast<QDirectFBScreen*>(inst);
}
IDirectFB* dfb();
IDirectFBSurface* dfbSurface();
#ifndef QT_NO_DIRECTFB_LAYER
IDirectFBDisplayLayer* dfbDisplayLayer();
#endif
// Track surface creation/release so we can release all on exit
enum SurfaceCreationOption {
DontTrackSurface = 0,
TrackSurface = 1
};
Q_DECLARE_FLAGS(SurfaceCreationOptions, SurfaceCreationOption);
IDirectFBSurface *createDFBSurface(const DFBSurfaceDescription *desc,
SurfaceCreationOptions options);
IDirectFBSurface *createDFBSurface(const QImage &image,
SurfaceCreationOptions options);
IDirectFBSurface *createDFBSurface(const QSize &size,
QImage::Format format,
SurfaceCreationOptions options);
IDirectFBSurface *copyDFBSurface(IDirectFBSurface *src,
QImage::Format format,
SurfaceCreationOptions options);
IDirectFBSurface *copyToDFBSurface(const QImage &image,
QImage::Format format,
SurfaceCreationOptions options);
void releaseDFBSurface(IDirectFBSurface* surface);
bool preferVideoOnly() const;
static int depth(DFBSurfacePixelFormat format);
static DFBSurfacePixelFormat getSurfacePixelFormat(QImage::Format format);
static DFBSurfaceDescription getSurfaceDescription(const QImage &image);
static DFBSurfaceDescription getSurfaceDescription(const uint *buffer,
int length);
static QImage::Format getImageFormat(IDirectFBSurface *surface);
static bool initSurfaceDescriptionPixelFormat(DFBSurfaceDescription *description, QImage::Format format);
static inline bool isPremultiplied(QImage::Format format);
QImage::Format alphaPixmapFormat() const;
#ifndef QT_NO_DIRECTFB_PALETTE
static void setSurfaceColorTable(IDirectFBSurface *surface,
const QImage &image);
#endif
private:
void compose(const QRegion &r);
void blit(IDirectFBSurface *src, const QPoint &topLeft,
const QRegion ®ion);
QDirectFBScreenPrivate *d_ptr;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QDirectFBScreen::SurfaceCreationOptions);
inline bool QDirectFBScreen::isPremultiplied(QImage::Format format)
{
switch (format) {
case QImage::Format_ARGB32_Premultiplied:
case QImage::Format_ARGB8565_Premultiplied:
case QImage::Format_ARGB6666_Premultiplied:
case QImage::Format_ARGB8555_Premultiplied:
case QImage::Format_ARGB4444_Premultiplied:
return true;
default:
break;
}
return false;
}
QT_END_HEADER
#endif // QDIRECTFBSCREEN_H
|
