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/*
* 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 blink {
// 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();
if (isValid())
m_layerBridge->flush();
}
virtual ~Canvas2DImageBufferSurface()
{
if (m_layerBridge)
m_layerBridge->beginDestruction();
}
// ImageBufferSurface implementation
virtual void finalizeFrame(const FloatRect &dirtyRect) override { m_layerBridge->finalizeFrame(dirtyRect); }
virtual void willAccessPixels() override { m_layerBridge->willAccessPixels(); }
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 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 setFilterLevel(SkPaint::FilterLevel filterLevel) override { m_layerBridge->setFilterLevel(filterLevel); };
virtual void setIsHidden(bool hidden) override { m_layerBridge->setIsHidden(hidden); }
virtual void setImageBuffer(ImageBuffer* imageBuffer) override { m_layerBridge->setImageBuffer(imageBuffer); }
virtual PassRefPtr<SkImage> newImageSnapshot() const override { return m_layerBridge->newImageSnapshot(); }
private:
RefPtr<Canvas2DLayerBridge> m_layerBridge;
};
} // namespace blink
#endif
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