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
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMEEGOLIVEPIXMAP_H
#define QMEEGOLIVEPIXMAP_H
#include <QtGui/QPixmap>
#include "QtMeeGoGraphicsSystemHelper/qmeegofencesync.h"
class QMeeGoLivePixmapPrivate;
class QSharedMemory;
class QImage;
//! A pixmap representing streamed content.
/*!
*/
class Q_DECL_EXPORT QMeeGoLivePixmap : public QPixmap
{
public:
enum Format {
Format_RGB16, //! 16bit, 5-6-5 RGB format.
Format_ARGB32_Premultiplied //! 32bit, AARRGGBB format. The typical Qt format.
};
//! Creates and returns a new live pixmap with the given parameters.
/*!
The new pixmap is created with the given width w and the given height h.
The format specifies the color format used by the pixmap.
*/
static QMeeGoLivePixmap* livePixmapWithSize(int w, int h, Format format);
//! Creates a new QMeeGoLivePixmap from the specified handle.
/*!
The handle can be used to share QMeeGoLivePixmap cross-process.
*/
static QMeeGoLivePixmap* fromHandle(Qt::HANDLE handle);
//! Returns the handle for this QMeeGoLivePixmap.
/*!
The handle can be used to share QMeeGoLivePixmap cross-process.
*/
Qt::HANDLE handle();
//! Locks the access to the pixmap.
/*!
The returned image can be used for direct access.
You can optionally specify a fence sync to wait upon before unlocking. When
you specify a fence sync, you can be sure that this function will return only
when the previsouly set QMeeGoFenceSync synchronization point has been executed/passed
by the GL processing pipeline.
*/
QImage* lock(QMeeGoFenceSync *fenceSync = NULL);
//! Unlocks the access to the pixmap.
/*!
*/
void release(QImage *img);
//! Destroys the QMeeGoLivePixmap.
/*!
*/
virtual ~QMeeGoLivePixmap();
private:
QMeeGoLivePixmap(QPixmapData *p);
Q_DISABLE_COPY(QMeeGoLivePixmap)
Q_DECLARE_PRIVATE(QMeeGoLivePixmap)
protected:
QScopedPointer<QMeeGoLivePixmapPrivate> d_ptr; //! Private bits.
};
#endif
|
