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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_PLAYBACK_TRANSFORM_DISPLAY_ITEM_H_
#define CC_PLAYBACK_TRANSFORM_DISPLAY_ITEM_H_
#include <stddef.h>
#include "base/memory/scoped_ptr.h"
#include "cc/base/cc_export.h"
#include "cc/playback/display_item.h"
#include "ui/gfx/transform.h"
class SkCanvas;
namespace cc {
class CC_EXPORT TransformDisplayItem : public DisplayItem {
public:
explicit TransformDisplayItem(const gfx::Transform& transform);
explicit TransformDisplayItem(const proto::DisplayItem& proto);
~TransformDisplayItem() override;
void ToProtobuf(proto::DisplayItem* proto) const override;
void Raster(SkCanvas* canvas,
const gfx::Rect& canvas_target_playback_rect,
SkPicture::AbortCallback* callback) const override;
void AsValueInto(const gfx::Rect& visual_rect,
base::trace_event::TracedValue* array) const override;
size_t ExternalMemoryUsage() const override;
int ApproximateOpCount() const { return 1; }
bool IsSuitableForGpuRasterization() const { return true; }
private:
void SetNew(const gfx::Transform& transform);
gfx::Transform transform_;
};
class CC_EXPORT EndTransformDisplayItem : public DisplayItem {
public:
EndTransformDisplayItem();
explicit EndTransformDisplayItem(const proto::DisplayItem& proto);
~EndTransformDisplayItem() override;
static scoped_ptr<EndTransformDisplayItem> Create() {
return make_scoped_ptr(new EndTransformDisplayItem());
}
void ToProtobuf(proto::DisplayItem* proto) const override;
void Raster(SkCanvas* canvas,
const gfx::Rect& canvas_target_playback_rect,
SkPicture::AbortCallback* callback) const override;
void AsValueInto(const gfx::Rect& visual_rect,
base::trace_event::TracedValue* array) const override;
size_t ExternalMemoryUsage() const override;
int ApproximateOpCount() const { return 0; }
bool IsSuitableForGpuRasterization() const { return true; }
};
} // namespace cc
#endif // CC_PLAYBACK_TRANSFORM_DISPLAY_ITEM_H_
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