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/*
* Copyright (C) 2006 Friedemann Kleint <fkleint@trolltech.com>
* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ImageDecoderQt_h
#define ImageDecoderQt_h
#include "ImageDecoder.h"
#include <QtGui/QImage>
#include <QtGui/QPixmap>
#include <QtCore/QList>
#include <QtCore/QHash>
namespace WebCore {
class ImageDecoderQt : public ImageDecoder
{
ImageDecoderQt(const ImageDecoderQt&);
ImageDecoderQt &operator=(const ImageDecoderQt&);
public:
ImageDecoderQt();
~ImageDecoderQt();
typedef Vector<char> IncomingData;
virtual void setData(const IncomingData& data, bool allDataReceived);
virtual bool isSizeAvailable() const;
virtual int frameCount() const;
virtual int repetitionCount() const;
virtual RGBA32Buffer* frameBufferAtIndex(size_t index);
QPixmap* imageAtIndex(size_t index) const;
virtual bool supportsAlpha() const;
int duration(size_t index) const;
void clearFrame(size_t index);
private:
class ReadContext;
void reset();
bool hasFirstImageHeader() const;
enum ImageState {
// Started image reading
ImagePartial,
// Header (size / alpha) are known
ImageHeaderValid,
// Image is complete
ImageComplete };
struct ImageData {
ImageData(const QImage& image, ImageState imageState = ImagePartial, int duration=0);
QImage m_image;
ImageState m_imageState;
int m_duration;
};
typedef QList<ImageData> ImageList;
ImageList m_imageList;
mutable QHash<int, QPixmap> m_pixmapCache;
int m_loopCount;
};
}
#endif
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