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/* | |
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved. | |
* Copyright (C) 2008-2009 Torch Mobile, Inc. | |
* Copyright (C) Research In Motion Limited 2010. All rights reserved. | |
* | |
* 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 RxIImageDecoder_h | |
#define RxIImageDecoder_h | |
#include "ImageDecoder.h" | |
#include <wtf/OwnPtr.h> | |
namespace WebCore { | |
class RxIImageReader; | |
// This class decodes the RxI image format. | |
class RxIImageDecoder : public ImageDecoder { | |
public: | |
enum RxIFormat { | |
FormatUnknown = 0, | |
FormatRdi = 1, | |
FormatRgi = 2, | |
FormatRpi = 3, | |
FormatRwi = 4 | |
}; | |
RxIImageDecoder(RxIFormat fmt); | |
virtual ~RxIImageDecoder(); | |
// ImageDecoder | |
virtual String filenameExtension() const; | |
virtual bool isSizeAvailable(); | |
virtual bool setSize(unsigned width, unsigned height); | |
virtual RGBA32Buffer* frameBufferAtIndex(size_t index); | |
virtual bool supportsAlpha() const { return false; } | |
bool outputScanlines(); | |
void rxiComplete(); | |
RGBA32Buffer *getUntouchedFrameBufferAtIndex(size_t index); | |
private: | |
// Decodes the image. If |onlySize| is true, stops decoding after | |
// calculating the image size. If decoding fails but there is no more | |
// data coming, sets the "decode failure" flag. | |
void decode(bool onlySize); | |
RxIFormat m_format; | |
OwnPtr<RxIImageReader> m_reader; | |
}; | |
} // namespace WebCore | |
#endif |