1/* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#include "WebImageDecoder.h" 33 34#include "platform/SharedBuffer.h" 35#include "platform/image-decoders/bmp/BMPImageDecoder.h" 36#include "platform/image-decoders/ico/ICOImageDecoder.h" 37#include "public/platform/Platform.h" 38#include "public/platform/WebData.h" 39#include "public/platform/WebImage.h" 40#include "public/platform/WebSize.h" 41#include "wtf/OwnPtr.h" 42#include "wtf/PassOwnPtr.h" 43#include "wtf/PassRefPtr.h" 44 45using namespace WebCore; 46 47namespace blink { 48 49void WebImageDecoder::reset() 50{ 51 delete m_private; 52} 53 54void WebImageDecoder::init(Type type) 55{ 56 size_t maxDecodedBytes = blink::Platform::current()->maxDecodedImageBytes(); 57 58 switch (type) { 59 case TypeBMP: 60 m_private = new BMPImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndColorProfileApplied, maxDecodedBytes); 61 break; 62 case TypeICO: 63 m_private = new ICOImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndColorProfileApplied, maxDecodedBytes); 64 break; 65 } 66} 67 68void WebImageDecoder::setData(const WebData& data, bool allDataReceived) 69{ 70 ASSERT(m_private); 71 m_private->setData(PassRefPtr<SharedBuffer>(data).get(), allDataReceived); 72} 73 74bool WebImageDecoder::isFailed() const 75{ 76 ASSERT(m_private); 77 return m_private->failed(); 78} 79 80bool WebImageDecoder::isSizeAvailable() const 81{ 82 ASSERT(m_private); 83 return m_private->isSizeAvailable(); 84} 85 86WebSize WebImageDecoder::size() const 87{ 88 ASSERT(m_private); 89 return m_private->size(); 90} 91 92size_t WebImageDecoder::frameCount() const 93{ 94 ASSERT(m_private); 95 return m_private->frameCount(); 96} 97 98bool WebImageDecoder::isFrameCompleteAtIndex(int index) const 99{ 100 ASSERT(m_private); 101 ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index); 102 if (!frameBuffer) 103 return false; 104 return frameBuffer->status() == ImageFrame::FrameComplete; 105} 106 107WebImage WebImageDecoder::getFrameAtIndex(int index = 0) const 108{ 109 ASSERT(m_private); 110 ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index); 111 if (!frameBuffer) 112 return WebImage(); 113 RefPtr<NativeImageSkia> image = frameBuffer->asNewNativeImage(); 114 return WebImage(image->bitmap()); 115} 116 117} // namespace blink 118