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Diffstat (limited to 'src/qmeegographicssystemhelper/qmeegolivepixmap.h')
-rw-r--r-- | src/qmeegographicssystemhelper/qmeegolivepixmap.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/qmeegographicssystemhelper/qmeegolivepixmap.h b/src/qmeegographicssystemhelper/qmeegolivepixmap.h new file mode 100644 index 000000000..dc7f9dee2 --- /dev/null +++ b/src/qmeegographicssystemhelper/qmeegolivepixmap.h @@ -0,0 +1,112 @@ +/**************************************************************************** +** +** 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 |