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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 CC_CONTENT_LAYER_UPDATER_H_
#define CC_CONTENT_LAYER_UPDATER_H_
#include "cc/cc_export.h"
#include "cc/layer_updater.h"
#include "ui/gfx/rect.h"
class SkCanvas;
namespace cc {
class LayerPainter;
// Base class for BitmapContentLayerUpdater and
// SkPictureContentLayerUpdater that reduces code duplication between
// their respective paintContents implementations.
class CC_EXPORT ContentLayerUpdater : public LayerUpdater {
protected:
explicit ContentLayerUpdater(scoped_ptr<LayerPainter>);
virtual ~ContentLayerUpdater();
void paintContents(SkCanvas*, const gfx::Rect& contentRect, float contentsWidthScale, float contentsHeightScale, gfx::Rect& resultingOpaqueRect, RenderingStats*);
const gfx::Rect& contentRect() const { return m_contentRect; }
private:
gfx::Rect m_contentRect;
scoped_ptr<LayerPainter> m_painter;
};
} // namespace cc
#endif // CC_CONTENT_LAYER_UPDATER_H_
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