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
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
|
/****************************************************************************
**
** 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 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 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 QDIRECTFBSCREEN_H
#define QDIRECTFBSCREEN_H
#include <qglobal.h>
#ifndef QT_NO_QWS_DIRECTFB
#include <QtGui/qscreen_qws.h>
#include <directfb.h>
#include <directfb_version.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#if !defined QT_DIRECTFB_SUBSURFACE && !defined QT_NO_DIRECTFB_SUBSURFACE
#define QT_NO_DIRECTFB_SUBSURFACE
#endif
#if !defined QT_NO_DIRECTFB_LAYER && !defined QT_DIRECTFB_LAYER
#define QT_DIRECTFB_LAYER
#endif
#if !defined QT_NO_DIRECTFB_WM && !defined QT_DIRECTFB_WM
#define QT_DIRECTFB_WM
#endif
#if !defined QT_DIRECTFB_IMAGECACHE && !defined QT_NO_DIRECTFB_IMAGECACHE
#define QT_NO_DIRECTFB_IMAGECACHE
#endif
#if !defined QT_NO_DIRECTFB_IMAGEPROVIDER && !defined QT_DIRECTFB_IMAGEPROVIDER
#define QT_DIRECTFB_IMAGEPROVIDER
#endif
#if !defined QT_NO_DIRECTFB_STRETCHBLIT && !defined QT_DIRECTFB_STRETCHBLIT
#define QT_DIRECTFB_STRETCHBLIT
#endif
#if !defined QT_DIRECTFB_IMAGEPROVIDER_KEEPALIVE && !defined QT_NO_DIRECTFB_IMAGEPROVIDER_KEEPALIVE
#define QT_NO_DIRECTFB_IMAGEPROVIDER_KEEPALIVE
#endif
#if !defined QT_DIRECTFB_WINDOW_AS_CURSOR && !defined QT_NO_DIRECTFB_WINDOW_AS_CURSOR
#define QT_NO_DIRECTFB_WINDOW_AS_CURSOR
#endif
#if !defined QT_DIRECTFB_PALETTE && !defined QT_NO_DIRECTFB_PALETTE
#define QT_NO_DIRECTFB_PALETTE
#endif
#if !defined QT_NO_DIRECTFB_PREALLOCATED && !defined QT_DIRECTFB_PREALLOCATED
#define QT_DIRECTFB_PREALLOCATED
#endif
#if !defined QT_NO_DIRECTFB_MOUSE && !defined QT_DIRECTFB_MOUSE
#define QT_DIRECTFB_MOUSE
#endif
#if !defined QT_NO_DIRECTFB_KEYBOARD && !defined QT_DIRECTFB_KEYBOARD
#define QT_DIRECTFB_KEYBOARD
#endif
#if !defined QT_NO_DIRECTFB_OPAQUE_DETECTION && !defined QT_DIRECTFB_OPAQUE_DETECTION
#define QT_DIRECTFB_OPAQUE_DETECTION
#endif
#ifndef QT_NO_QWS_CURSOR
#if defined QT_DIRECTFB_WM && defined QT_DIRECTFB_WINDOW_AS_CURSOR
#define QT_DIRECTFB_CURSOR
#elif defined QT_DIRECTFB_LAYER
#define QT_DIRECTFB_CURSOR
#endif
#endif
#ifndef QT_DIRECTFB_CURSOR
#define QT_NO_DIRECTFB_CURSOR
#endif
#if defined QT_NO_DIRECTFB_LAYER && defined QT_DIRECTFB_WM
#error QT_NO_DIRECTFB_LAYER requires QT_NO_DIRECTFB_WM
#endif
#if defined QT_DIRECTFB_IMAGEPROVIDER_KEEPALIVE && defined QT_NO_DIRECTFB_IMAGEPROVIDER
#error QT_DIRECTFB_IMAGEPROVIDER_KEEPALIVE requires QT_DIRECTFB_IMAGEPROVIDER to be defined
#endif
#if defined QT_DIRECTFB_WINDOW_AS_CURSOR && defined QT_NO_DIRECTFB_WM
#error QT_DIRECTFB_WINDOW_AS_CURSOR requires QT_DIRECTFB_WM to be defined
#endif
#define Q_DIRECTFB_VERSION ((DIRECTFB_MAJOR_VERSION << 16) | (DIRECTFB_MINOR_VERSION << 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(DFBWindowCapabilities);
DIRECTFB_DECLARE_OPERATORS_FOR_FLAGS(DFBWindowOptions);
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,
NoPartialFlip = 0x08
};
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 solidFill(const QColor &color, const QRegion ®ion);
static void solidFill(IDirectFBSurface *surface, 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 QDirectFBScreen *instance();
void waitIdle();
IDirectFBSurface *surfaceForWidget(const QWidget *widget, QRect *rect) const;
#ifdef QT_DIRECTFB_SUBSURFACE
IDirectFBSurface *subSurfaceForWidget(const QWidget *widget, const QRect &area = QRect()) const;
#endif
IDirectFB *dfb();
#ifdef QT_DIRECTFB_WM
IDirectFBWindow *windowForWidget(const QWidget *widget) const;
#else
IDirectFBSurface *primarySurface();
#endif
#ifndef QT_NO_DIRECTFB_LAYER
IDirectFBDisplayLayer *dfbDisplayLayer();
#endif
// Track surface creation/release so we can release all on exit
enum SurfaceCreationOption {
DontTrackSurface = 0x1,
TrackSurface = 0x2,
NoPreallocated = 0x4
};
Q_DECLARE_FLAGS(SurfaceCreationOptions, SurfaceCreationOption);
IDirectFBSurface *createDFBSurface(const QImage &image,
QImage::Format format,
SurfaceCreationOptions options,
DFBResult *result = 0);
IDirectFBSurface *createDFBSurface(const QSize &size,
QImage::Format format,
SurfaceCreationOptions options,
DFBResult *result = 0);
IDirectFBSurface *copyDFBSurface(IDirectFBSurface *src,
QImage::Format format,
SurfaceCreationOptions options,
DFBResult *result = 0);
IDirectFBSurface *createDFBSurface(DFBSurfaceDescription desc,
SurfaceCreationOptions options,
DFBResult *result);
#ifdef QT_DIRECTFB_SUBSURFACE
IDirectFBSurface *getSubSurface(IDirectFBSurface *surface,
const QRect &rect,
SurfaceCreationOptions options,
DFBResult *result);
#endif
void flipSurface(IDirectFBSurface *surface, DFBSurfaceFlipFlags flipFlags,
const QRegion ®ion, const QPoint &offset);
void releaseDFBSurface(IDirectFBSurface *surface);
using QScreen::depth;
static int depth(DFBSurfacePixelFormat format);
static int depth(QImage::Format format);
static DFBSurfacePixelFormat getSurfacePixelFormat(QImage::Format format);
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 hasAlphaChannel(DFBSurfacePixelFormat format);
static inline bool hasAlphaChannel(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, DFBSurfaceLockFlags flags, int *bpl = 0);
#if defined QT_DIRECTFB_IMAGEPROVIDER && defined QT_DIRECTFB_IMAGEPROVIDER_KEEPALIVE
void setDirectFBImageProvider(IDirectFBImageProvider *provider);
#endif
private:
QDirectFBScreenPrivate *d_ptr;
};
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::hasAlphaChannel(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::hasAlphaChannel(IDirectFBSurface *surface)
{
Q_ASSERT(surface);
DFBSurfacePixelFormat format;
surface->GetPixelFormat(surface, &format);
return QDirectFBScreen::hasAlphaChannel(format);
}
QT_END_NAMESPACE
QT_END_HEADER
#endif // QT_NO_QWS_DIRECTFB
#endif // QDIRECTFBSCREEN_H
|