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// Copyright 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CanvasLayerTextureUpdater_h
#define CanvasLayerTextureUpdater_h
#if USE(ACCELERATED_COMPOSITING)
#include "LayerTextureUpdater.h"
class SkCanvas;
namespace cc {
class LayerPainterChromium;
// Base class for BitmapCanvasLayerTextureUpdater and
// SkPictureCanvasLayerTextureUpdater that reduces code duplication between
// their respective paintContents implementations.
class CanvasLayerTextureUpdater : public LayerTextureUpdater {
public:
virtual ~CanvasLayerTextureUpdater();
protected:
explicit CanvasLayerTextureUpdater(PassOwnPtr<LayerPainterChromium>);
void paintContents(SkCanvas*, const IntRect& contentRect, float contentsWidthScale, float contentsHeightScale, IntRect& resultingOpaqueRect, CCRenderingStats&);
const IntRect& contentRect() const { return m_contentRect; }
private:
IntRect m_contentRect;
OwnPtr<LayerPainterChromium> m_painter;
};
} // namespace cc
#endif // USE(ACCELERATED_COMPOSITING)
#endif // CanvasLayerTextureUpdater_h
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