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116 lines
3.7 KiB
C++
116 lines
3.7 KiB
C++
/*
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* Copyright (C) 2010 Google Inc. All rights reserved.
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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 are
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* met:
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*
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* * 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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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY 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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#include "config.h"
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#include "public/web/WebImageDecoder.h"
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#include "platform/SharedBuffer.h"
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#include "platform/image-decoders/bmp/BMPImageDecoder.h"
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#include "platform/image-decoders/ico/ICOImageDecoder.h"
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#include "public/platform/Platform.h"
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#include "public/platform/WebData.h"
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#include "public/platform/WebImage.h"
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#include "public/platform/WebSize.h"
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#include "wtf/OwnPtr.h"
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#include "wtf/PassOwnPtr.h"
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#include "wtf/PassRefPtr.h"
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namespace blink {
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void WebImageDecoder::reset()
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{
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delete m_private;
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}
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void WebImageDecoder::init(Type type)
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{
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size_t maxDecodedBytes = Platform::current()->maxDecodedImageBytes();
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switch (type) {
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case TypeBMP:
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m_private = new BMPImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndColorProfileApplied, maxDecodedBytes);
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break;
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case TypeICO:
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m_private = new ICOImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndColorProfileApplied, maxDecodedBytes);
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break;
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}
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}
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void WebImageDecoder::setData(const WebData& data, bool allDataReceived)
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{
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ASSERT(m_private);
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m_private->setData(PassRefPtr<SharedBuffer>(data).get(), allDataReceived);
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}
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bool WebImageDecoder::isFailed() const
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{
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ASSERT(m_private);
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return m_private->failed();
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}
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bool WebImageDecoder::isSizeAvailable() const
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{
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ASSERT(m_private);
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return m_private->isSizeAvailable();
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}
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WebSize WebImageDecoder::size() const
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{
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ASSERT(m_private);
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return m_private->size();
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}
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size_t WebImageDecoder::frameCount() const
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{
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ASSERT(m_private);
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return m_private->frameCount();
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}
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bool WebImageDecoder::isFrameCompleteAtIndex(int index) const
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{
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ASSERT(m_private);
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ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index);
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if (!frameBuffer)
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return false;
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return frameBuffer->status() == ImageFrame::FrameComplete;
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}
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WebImage WebImageDecoder::getFrameAtIndex(int index = 0) const
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{
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ASSERT(m_private);
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ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index);
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if (!frameBuffer)
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return WebImage();
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RefPtr<NativeImageSkia> image = frameBuffer->asNewNativeImage();
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return WebImage(image->bitmap());
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}
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} // namespace blink
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