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// Copyright 2014 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_RESOURCES_DISPLAY_ITEM_H_
#define CC_RESOURCES_DISPLAY_ITEM_H_
#include "base/memory/scoped_ptr.h"
#include "cc/base/cc_export.h"
#include "cc/debug/traced_value.h"
#include "ui/gfx/geometry/rect.h"
class SkCanvas;
class SkDrawPictureCallback;
namespace cc {
class CC_EXPORT DisplayItem {
public:
virtual ~DisplayItem() {}
virtual void Raster(SkCanvas* canvas,
SkDrawPictureCallback* callback) const = 0;
virtual void RasterForTracing(SkCanvas* canvas) const;
virtual bool IsSuitableForGpuRasterization() const = 0;
virtual int ApproximateOpCount() const = 0;
virtual size_t PictureMemoryUsage() const = 0;
virtual void AsValueInto(base::trace_event::TracedValue* array) const = 0;
protected:
DisplayItem();
};
} // namespace cc
#endif // CC_RESOURCES_DISPLAY_ITEM_H_
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