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Diffstat (limited to 'src/multimedia/video/qimagevideobuffer.cpp')
-rw-r--r-- | src/multimedia/video/qimagevideobuffer.cpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/multimedia/video/qimagevideobuffer.cpp b/src/multimedia/video/qimagevideobuffer.cpp new file mode 100644 index 0000000..e3e1585 --- /dev/null +++ b/src/multimedia/video/qimagevideobuffer.cpp @@ -0,0 +1,106 @@ +/**************************************************************************** +** +** 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 QtMultimedia module 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. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qimagevideobuffer_p.h" + +#include <private/qabstractvideobuffer_p.h> + +#include <qimage.h> +#include <qvariant.h> + +QT_BEGIN_NAMESPACE + +class QImageVideoBufferPrivate : public QAbstractVideoBufferPrivate +{ +public: + QImageVideoBufferPrivate() + : mapMode(QAbstractVideoBuffer::NotMapped) + { + } + + QAbstractVideoBuffer::MapMode mapMode; + QImage image; +}; + +QImageVideoBuffer::QImageVideoBuffer(const QImage &image) + : QAbstractVideoBuffer(*new QImageVideoBufferPrivate, NoHandle) +{ + Q_D(QImageVideoBuffer); + + d->image = image; +} + +QImageVideoBuffer::~QImageVideoBuffer() +{ +} + +QAbstractVideoBuffer::MapMode QImageVideoBuffer::mapMode() const +{ + return d_func()->mapMode; +} + +uchar *QImageVideoBuffer::map(MapMode mode, int *numBytes, int *bytesPerLine) +{ + Q_D(QImageVideoBuffer); + + if (d->mapMode == NotMapped && d->image.bits() && mode != NotMapped) { + d->mapMode = mode; + + if (numBytes) + *numBytes = d->image.byteCount(); + + if (bytesPerLine) + *bytesPerLine = d->image.bytesPerLine(); + + return d->image.bits(); + } else { + return 0; + } +} + +void QImageVideoBuffer::unmap() +{ + Q_D(QImageVideoBuffer); + + d->mapMode = NotMapped; +} + +QT_END_NAMESPACE |