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 32 #ifndef ImageLayerChromium_h 33 #define ImageLayerChromium_h 34 35 #if USE(ACCELERATED_COMPOSITING) 36 37 #include "ContentLayerChromium.h" 38 #include "PlatformImage.h" 39 40 #if USE(CG) 41 #include <wtf/RetainPtr.h> 42 #endif 43 44 namespace WebCore { 45 46 class Image; 47 48 // A Layer that contains only an Image element. 49 class ImageLayerChromium : public ContentLayerChromium { 50 public: 51 static PassRefPtr<ImageLayerChromium> create(GraphicsLayerChromium* owner = 0); 52 53 virtual void paintContentsIfDirty(const IntRect& targetSurfaceRect); 54 virtual void updateCompositorResources(); drawsContent()55 virtual bool drawsContent() const { return m_contents; } 56 57 void setContents(Image* image); 58 59 protected: layerTypeAsString()60 virtual const char* layerTypeAsString() const { return "ImageLayer"; } 61 62 virtual TransformationMatrix tilingTransform(); 63 virtual IntRect layerBounds() const; 64 65 private: 66 ImageLayerChromium(GraphicsLayerChromium* owner); 67 68 PlatformImage m_decodedImage; 69 NativeImagePtr m_imageForCurrentFrame; 70 RefPtr<Image> m_contents; 71 }; 72 73 } 74 #endif // USE(ACCELERATED_COMPOSITING) 75 76 #endif 77