author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 09:20:16 +0200 | |
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/* |
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* Copyright (C) 2006 Friedemann Kleint <fkleint@trolltech.com> |
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* Copyright (C) 2006 Trolltech ASA |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef ImageDecoderQt_h |
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#define ImageDecoderQt_h |
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#include "ImageDecoder.h" |
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#include <QtGui/QImage> |
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#include <QtGui/QPixmap> |
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#include <QtCore/QList> |
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#include <QtCore/QHash> |
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namespace WebCore { |
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class ImageDecoderQt : public ImageDecoder |
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{ |
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ImageDecoderQt(const ImageDecoderQt&); |
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ImageDecoderQt &operator=(const ImageDecoderQt&); |
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public: |
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ImageDecoderQt(); |
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~ImageDecoderQt(); |
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typedef Vector<char> IncomingData; |
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virtual void setData(const IncomingData& data, bool allDataReceived); |
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virtual bool isSizeAvailable() const; |
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virtual int frameCount() const; |
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virtual int repetitionCount() const; |
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virtual RGBA32Buffer* frameBufferAtIndex(size_t index); |
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const QPixmap* imageAtIndex(size_t index) const; |
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virtual bool supportsAlpha() const; |
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int duration(size_t index) const; |
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void clearFrame(size_t index); |
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private: |
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class ReadContext; |
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void reset(); |
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bool hasFirstImageHeader() const; |
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enum ImageState { |
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// Started image reading |
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ImagePartial, |
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// Header (size / alpha) are known |
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ImageHeaderValid, |
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// Image is complete |
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ImageComplete }; |
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struct ImageData { |
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ImageData(const QImage& image, ImageState imageState = ImagePartial, int duration=0); |
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QImage m_image; |
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ImageState m_imageState; |
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int m_duration; |
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}; |
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typedef QList<ImageData> ImageList; |
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ImageList m_imageList; |
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mutable QHash<int, QPixmap> m_pixmapCache; |
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}; |
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} |
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#endif |
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