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/****************************************************************************
**
** Copyright (C) 2011 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 QMEEGOLIVEPIXMAP_H
#define QMEEGOLIVEPIXMAP_H
#include <QPixmap>
#include "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
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