/* * Copyright (C) 2013 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef Canvas2DImageBufferSurface_h #define Canvas2DImageBufferSurface_h #include "platform/graphics/Canvas2DLayerBridge.h" #include "platform/graphics/ImageBufferSurface.h" namespace WebCore { // This shim necessary because ImageBufferSurfaces are not allowed to be RefCounted class Canvas2DImageBufferSurface FINAL : public ImageBufferSurface { public: Canvas2DImageBufferSurface(const IntSize& size, OpacityMode opacityMode = NonOpaque, int msaaSampleCount = 1) : ImageBufferSurface(size, opacityMode) , m_layerBridge(Canvas2DLayerBridge::create(size, opacityMode, msaaSampleCount)) { clear(); } virtual ~Canvas2DImageBufferSurface() { if (m_layerBridge) m_layerBridge->beginDestruction(); } // ImageBufferSurface implementation virtual void willUse() OVERRIDE { m_layerBridge->willUse(); } virtual SkCanvas* canvas() const OVERRIDE { return m_layerBridge->canvas(); } virtual bool isValid() const OVERRIDE { return m_layerBridge && m_layerBridge->checkSurfaceValid(); } virtual bool restore() OVERRIDE { return m_layerBridge->restoreSurface(); } virtual blink::WebLayer* layer() const OVERRIDE { return m_layerBridge->layer(); } virtual Platform3DObject getBackingTexture() const OVERRIDE { return m_layerBridge->getBackingTexture(); } virtual bool isAccelerated() const OVERRIDE { return m_layerBridge->isAccelerated(); } virtual void setIsHidden(bool hidden) OVERRIDE { m_layerBridge->setIsHidden(hidden); } virtual void setImageBuffer(ImageBuffer* imageBuffer) OVERRIDE { m_layerBridge->setImageBuffer(imageBuffer); } private: RefPtr<Canvas2DLayerBridge> m_layerBridge; }; } #endif