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#if ENABLE(IMAGE_RESIZER) 33 34#include "ImageResizerThread.h" 35 36#include "BitmapImage.h" 37#include "Image.h" 38#include "SharedBuffer.h" 39#include <utility> 40 41namespace WebCore { 42 43static void returnBlobOrError(void* callbackInformation) 44{ 45 AsyncImageResizer::CallbackInfo* callbackInfo = static_cast<AsyncImageResizer::CallbackInfo*>(callbackInformation); 46 if (!callbackInfo->blob) 47 callbackInfo->asyncImageResizer->resizeError(); 48 else 49 callbackInfo->asyncImageResizer->resizeComplete(callbackInfo->blob); 50 delete callbackInfo; 51} 52 53bool ImageResizerThread::start(PassRefPtr<SharedBuffer> imageData, AsyncImageResizer::CallbackInfo* callbackInfo, AsyncImageResizer::OutputType outputType, IntSize desiredBounds, float quality, AsyncImageResizer::AspectRatioOption aspectRatioOption, AsyncImageResizer::OrientationOption orientationOption) 54{ 55 ImageResizerThread* imageResizerThread = new ImageResizerThread(callbackInfo, outputType, desiredBounds, quality, aspectRatioOption, orientationOption); 56 57 RefPtr<SharedBuffer> copiedImageData = imageData->copy(); 58 imageResizerThread->m_image = BitmapImage::create(); 59 imageResizerThread->m_image->setData(copiedImageData, true); 60 61 imageResizerThread->m_threadID = createThread(ImageResizerThread::imageResizerThreadStart, imageResizerThread, "ImageResizerThread"); 62 return imageResizerThread->m_threadID; 63} 64 65ImageResizerThread::ImageResizerThread(AsyncImageResizer::CallbackInfo* callbackInfo, AsyncImageResizer::OutputType outputType, IntSize desiredBounds, float quality, AsyncImageResizer::AspectRatioOption aspectRatioOption, AsyncImageResizer::OrientationOption orientationOption) 66 : m_threadID(0) 67 , m_callbackInfo(callbackInfo) 68 , m_outputType(outputType) 69 , m_desiredBounds(desiredBounds) 70 , m_quality(quality) 71 , m_aspectRatioOption(aspectRatioOption) 72 , m_orientationOption(orientationOption) 73{ 74} 75 76ImageResizerThread::~ImageResizerThread() 77{ 78} 79 80void* ImageResizerThread::imageResizerThreadStart(void* thread) 81{ 82 return static_cast<ImageResizerThread*>(thread)->imageResizerThread(); 83} 84 85void* ImageResizerThread::imageResizerThread() 86{ 87 // FIXME: Do resizing, create blob, and catch any errors. 88 89 callOnMainThread(returnBlobOrError, static_cast<void*>(m_callbackInfo)); 90 detachThread(m_threadID); 91 delete this; 92 return 0; 93} 94 95} // namespace WebCore 96 97#endif // ENABLE(IMAGE_RESIZER) 98