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31 #ifndef Canvas2DImageBufferSurface_h
32 #define Canvas2DImageBufferSurface_h
34 #include "platform/graphics/Canvas2DLayerBridge.h"
35 #include "platform/graphics/ImageBufferSurface.h"
39 // This shim necessary because ImageBufferSurfaces are not allowed to be RefCounted
40 class Canvas2DImageBufferSurface final : public ImageBufferSurface {
42 Canvas2DImageBufferSurface(const IntSize& size, OpacityMode opacityMode = NonOpaque, int msaaSampleCount = 1)
43 : ImageBufferSurface(size, opacityMode)
44 , m_layerBridge(Canvas2DLayerBridge::create(size, opacityMode, msaaSampleCount))
49 virtual ~Canvas2DImageBufferSurface()
52 m_layerBridge->beginDestruction();
55 // ImageBufferSurface implementation
56 virtual void finalizeFrame(const FloatRect &dirtyRect) override { m_layerBridge->finalizeFrame(dirtyRect); }
57 virtual void willAccessPixels() override { m_layerBridge->willAccessPixels(); }
58 virtual SkCanvas* canvas() const override { return m_layerBridge->canvas(); }
59 virtual bool isValid() const override { return m_layerBridge && m_layerBridge->checkSurfaceValid(); }
60 virtual bool restore() override { return m_layerBridge->restoreSurface(); }
61 virtual WebLayer* layer() const override { return m_layerBridge->layer(); }
62 virtual Platform3DObject getBackingTexture() const override { return m_layerBridge->getBackingTexture(); }
63 virtual bool isAccelerated() const override { return m_layerBridge->isAccelerated(); }
64 virtual void setIsHidden(bool hidden) override { m_layerBridge->setIsHidden(hidden); }
65 virtual void setImageBuffer(ImageBuffer* imageBuffer) override { m_layerBridge->setImageBuffer(imageBuffer); }
67 virtual PassRefPtr<SkImage> newImageSnapshot() const override { return m_layerBridge->newImageSnapshot(); }
69 RefPtr<Canvas2DLayerBridge> m_layerBridge;