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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (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 http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDIRECTFBSCREEN_H
#define QDIRECTFBSCREEN_H
#include <QtGui/qscreen_qws.h>
#include <directfb.h>
#include <directfb_version.h>
QT_BEGIN_HEADER
QT_MODULE(Gui)
#define Q_DIRECTFB_VERSION ((DIRECTFB_MAJOR_VERSION << 16) | (DIRECTFB_MINOR_VERION << 8) | DIRECTFB_MICRO_VERSION)
#define DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(F) \
static inline F operator~(F f) { return F(~int(f)); } \
static inline F operator&(F left, F right) { return F(int(left) & int(right)); } \
static inline F operator|(F left, F right) { return F(int(left) | int(right)); } \
static inline F &operator|=(F &left, F right) { left = (left | right); return left; } \
static inline F &operator&=(F &left, F right) { left = (left & right); return left; }
DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBInputDeviceCapabilities);
DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBWindowDescriptionFlags);
DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBSurfaceDescriptionFlags);
DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBSurfaceCapabilities);
DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBSurfaceLockFlags);
DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBSurfaceBlittingFlags);
DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBSurfaceDrawingFlags);
DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBSurfaceFlipFlags);
class QDirectFBScreenPrivate;
class Q_GUI_EXPORT QDirectFBScreen : public QScreen
{
public:
QDirectFBScreen(int display_id);
~QDirectFBScreen();
enum DirectFBFlag {
NoFlags = 0x00,
VideoOnly = 0x01,
SystemOnly = 0x02,
BoundingRectFlip = 0x04
};
Q_DECLARE_FLAGS(DirectFBFlags, DirectFBFlag);
DirectFBFlags directFBFlags() const;
bool connect(const QString &displaySpec);
void disconnect();
bool initDevice();
void shutdownDevice();
void exposeRegion(QRegion r, int changing);
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 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 flipSurface(IDirectFBSurface *surface, DFBSurfaceFlipFlags flipFlags,
const QRegion ®ion, const QPoint &offset);
void releaseDFBSurface(IDirectFBSurface *surface);
void erase(const QRegion ®ion);
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);
static inline bool hasAlpha(DFBSurfacePixelFormat format);
static inline bool hasAlpha(IDirectFBSurface *surface);
QImage::Format alphaPixmapFormat() const;
#ifndef QT_NO_DIRECTFB_PALETTE
static void setSurfaceColorTable(IDirectFBSurface *surface,
const QImage &image);
#endif
static uchar *lockSurface(IDirectFBSurface *surface, uint flags, int *bpl = 0);
private:
IDirectFBSurface *createDFBSurface(DFBSurfaceDescription desc,
SurfaceCreationOptions options);
QDirectFBScreenPrivate *d_ptr;
friend class SurfaceCache;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QDirectFBScreen::SurfaceCreationOptions);
Q_DECLARE_OPERATORS_FOR_FLAGS(QDirectFBScreen::DirectFBFlags);
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;
}
inline bool QDirectFBScreen::hasAlpha(DFBSurfacePixelFormat format)
{
switch (format) {
case DSPF_ARGB1555:
case DSPF_ARGB:
case DSPF_LUT8:
case DSPF_AiRGB:
case DSPF_A1:
case DSPF_ARGB2554:
case DSPF_ARGB4444:
#if (Q_DIRECTFB_VERSION >= 0x000923)
case DSPF_AYUV:
#endif
#if (Q_DIRECTFB_VERSION >= 0x010000)
case DSPF_A4:
case DSPF_ARGB1666:
case DSPF_ARGB6666:
case DSPF_LUT2:
#endif
return true;
default:
return false;
}
}
inline bool QDirectFBScreen::hasAlpha(IDirectFBSurface *surface)
{
Q_ASSERT(surface);
DFBSurfacePixelFormat format;
surface->GetPixelFormat(surface, &format);
return QDirectFBScreen::hasAlpha(format);
}
QT_END_HEADER
#endif // QDIRECTFBSCREEN_H
|
