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41
42#ifndef QMEEGOLIVEPIXMAP_H
43#define QMEEGOLIVEPIXMAP_H
44
45#include <QtGui/QPixmap>
46#include "QtMeeGoGraphicsSystemHelper/qmeegofencesync.h"
47
48class QMeeGoLivePixmapPrivate;
49class QSharedMemory;
50class QImage;
51
52//! A pixmap representing streamed content.
53/*!
54*/
55
56class Q_DECL_EXPORT QMeeGoLivePixmap : public QPixmap
57{
58public:
59 enum Format {
60 Format_RGB16, //! 16bit, 5-6-5 RGB format.
61 Format_ARGB32_Premultiplied //! 32bit, AARRGGBB format. The typical Qt format.
62 };
63
64 //! Creates and returns a new live pixmap with the given parameters.
65 /*!
66 The new pixmap is created with the given width w and the given height h.
67 The format specifies the color format used by the pixmap.
68 */
69 static QMeeGoLivePixmap* livePixmapWithSize(int w, int h, Format format);
70
71 //! Creates a new QMeeGoLivePixmap from the specified handle.
72 /*!
73 The handle can be used to share QMeeGoLivePixmap cross-process.
74 */
75 static QMeeGoLivePixmap* fromHandle(Qt::HANDLE handle);
76
77 //! Returns the handle for this QMeeGoLivePixmap.
78 /*!
79 The handle can be used to share QMeeGoLivePixmap cross-process.
80 */
81 Qt::HANDLE handle();
82
83 //! Locks the access to the pixmap.
84 /*!
85 The returned image can be used for direct access.
86 You can optionally specify a fence sync to wait upon before unlocking. When
87 you specify a fence sync, you can be sure that this function will return only
88 when the previsouly set QMeeGoFenceSync synchronization point has been executed/passed
89 by the GL processing pipeline.
90 */
91 QImage* lock(QMeeGoFenceSync *fenceSync = NULL);
92
93 //! Unlocks the access to the pixmap.
94 /*!
95 */
96 void release(QImage *img);
97
98 //! Destroys the QMeeGoLivePixmap.
99 /*!
100 */
101 virtual ~QMeeGoLivePixmap();
102
103private:
104 QMeeGoLivePixmap(QPixmapData *p);
105 Q_DISABLE_COPY(QMeeGoLivePixmap)
106 Q_DECLARE_PRIVATE(QMeeGoLivePixmap)
107
108protected:
109 QScopedPointer<QMeeGoLivePixmapPrivate> d_ptr; //! Private bits.
110};
111
112#endif
113

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