1 /* 2 * Copyright (C) 2010 Apple 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "ShareableBitmap.h" 28 29 #include <QImage> 30 #include <QPainter> 31 #include <WebCore/GraphicsContext.h> 32 33 using namespace WebCore; 34 35 namespace WebKit { 36 37 static inline QImage createQImage(void* data, int width, int height) 38 { 39 return QImage(reinterpret_cast<uchar*>(data), width, height, width * 4, QImage::Format_RGB32); 40 } 41 42 PassOwnPtr<GraphicsContext> ShareableBitmap::createGraphicsContext() 43 { 44 QImage* image = new QImage(createQImage(data(), m_size.width(), m_size.height())); 45 GraphicsContext* context = new GraphicsContext(new QPainter(image)); 46 context->takeOwnershipOfPlatformContext(); 47 return context; 48 } 49 50 void ShareableBitmap::paint(GraphicsContext& context, const IntPoint& dstPoint, const IntRect& srcRect) 51 { 52 QImage image = createQImage(data(), m_size.width(), m_size.height()); 53 QPainter* painter = context.platformContext(); 54 painter->translate(-srcRect.x(), -srcRect.y()); 55 painter->drawImage(dstPoint, image, QRect(srcRect)); 56 painter->translate(srcRect.x(), srcRect.y()); 57 } 58 59 } // namespace WebKit 60
