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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/QImageReader>
#include <QtGui/QPixmap>
#include <QtCore/QList>
#include <QtCore/QHash>
#include <QtCore/QBuffer>
namespace WebCore {
class ImageDecoderQt : public ImageDecoder
{
public:
ImageDecoderQt();
~ImageDecoderQt();
virtual void setData(SharedBuffer* data, bool allDataReceived);
virtual bool isSizeAvailable();
virtual size_t frameCount();
virtual int repetitionCount() const;
virtual RGBA32Buffer* frameBufferAtIndex(size_t index);
virtual String filenameExtension() const;
virtual void clearFrameBufferCache(size_t clearBeforeFrame);
private:
ImageDecoderQt(const ImageDecoderQt&);
ImageDecoderQt &operator=(const ImageDecoderQt&);
private:
void internalDecodeSize();
void internalReadImage(size_t);
void internalHandleCurrentImage(size_t);
void forceLoadEverything();
void failRead();
private:
QByteArray m_format;
QBuffer* m_buffer;
QImageReader* m_reader;
mutable int m_repetitionCount;
};
}
#endif
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