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 "public/web/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 45namespace blink { 46 47void WebImageDecoder::reset() 48{ 49 delete m_private; 50} 51 52void WebImageDecoder::init(Type type) 53{ 54 size_t maxDecodedBytes = Platform::current()->maxDecodedImageBytes(); 55 56 switch (type) { 57 case TypeBMP: 58 m_private = new BMPImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndColorProfileApplied, maxDecodedBytes); 59 break; 60 case TypeICO: 61 m_private = new ICOImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndColorProfileApplied, maxDecodedBytes); 62 break; 63 } 64} 65 66void WebImageDecoder::setData(const WebData& data, bool allDataReceived) 67{ 68 ASSERT(m_private); 69 m_private->setData(PassRefPtr<SharedBuffer>(data).get(), allDataReceived); 70} 71 72bool WebImageDecoder::isFailed() const 73{ 74 ASSERT(m_private); 75 return m_private->failed(); 76} 77 78bool WebImageDecoder::isSizeAvailable() const 79{ 80 ASSERT(m_private); 81 return m_private->isSizeAvailable(); 82} 83 84WebSize WebImageDecoder::size() const 85{ 86 ASSERT(m_private); 87 return m_private->size(); 88} 89 90size_t WebImageDecoder::frameCount() const 91{ 92 ASSERT(m_private); 93 return m_private->frameCount(); 94} 95 96bool WebImageDecoder::isFrameCompleteAtIndex(int index) const 97{ 98 ASSERT(m_private); 99 ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index); 100 if (!frameBuffer) 101 return false; 102 return frameBuffer->status() == ImageFrame::FrameComplete; 103} 104 105WebImage WebImageDecoder::getFrameAtIndex(int index = 0) const 106{ 107 ASSERT(m_private); 108 ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index); 109 if (!frameBuffer) 110 return WebImage(); 111 RefPtr<NativeImageSkia> image = frameBuffer->asNewNativeImage(); 112 return WebImage(image->bitmap()); 113} 114 115} // namespace blink 116