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 "BMPImageDecoder.h" 35 #include "ICOImageDecoder.h" 36 #include "SharedBuffer.h" 37 #include "WebData.h" 38 #include "WebImage.h" 39 #include "WebSize.h" 40 41 #if WEBKIT_USING_SKIA 42 #include <wtf/OwnPtr.h> 43 #include <wtf/PassRefPtr.h> 44 #endif 45 46 using namespace WebCore; 47 48 namespace WebKit { 49 50 void WebImageDecoder::reset() 51 { 52 delete m_private; 53 } 54 55 void WebImageDecoder::init(Type type) 56 { 57 switch (type) { 58 case TypeBMP: 59 m_private = new BMPImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndColorProfileApplied); 60 break; 61 case TypeICO: 62 m_private = new ICOImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndColorProfileApplied); 63 break; 64 } 65 } 66 67 void WebImageDecoder::setData(const WebData& data, bool allDataReceived) 68 { 69 ASSERT(m_private); 70 m_private->setData(PassRefPtr<SharedBuffer>(data).get(), allDataReceived); 71 } 72 73 bool WebImageDecoder::isFailed() const 74 { 75 ASSERT(m_private); 76 return m_private->failed(); 77 } 78 79 bool WebImageDecoder::isSizeAvailable() const 80 { 81 ASSERT(m_private); 82 return m_private->isSizeAvailable(); 83 } 84 85 WebSize WebImageDecoder::size() const 86 { 87 ASSERT(m_private); 88 return m_private->size(); 89 } 90 91 size_t WebImageDecoder::frameCount() const 92 { 93 ASSERT(m_private); 94 return m_private->frameCount(); 95 } 96 97 bool WebImageDecoder::isFrameCompleteAtIndex(int index) const 98 { 99 ASSERT(m_private); 100 ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index); 101 if (!frameBuffer) 102 return false; 103 return (frameBuffer->status() == ImageFrame::FrameComplete); 104 } 105 106 WebImage WebImageDecoder::getFrameAtIndex(int index = 0) const 107 { 108 ASSERT(m_private); 109 ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index); 110 if (!frameBuffer) 111 return WebImage(); 112 #if WEBKIT_USING_SKIA 113 OwnPtr<NativeImageSkia>image(frameBuffer->asNewNativeImage()); 114 return WebImage(*image); 115 #elif WEBKIT_USING_CG 116 // FIXME: Implement CG side of this. 117 return WebImage(frameBuffer->asNewNativeImage()); 118 #endif 119 } 120 121 } // namespace WebKit 122