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// Copyright 2012 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_PICTURE_H_
#define CC_PICTURE_H_
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "cc/cc_export.h"
#include "third_party/skia/include/core/SkPicture.h"
#include "ui/gfx/rect.h"
namespace cc {
class ContentLayerClient;
struct RenderingStats;
class CC_EXPORT Picture
: public base::RefCountedThreadSafe<Picture> {
public:
static scoped_refptr<Picture> Create();
const gfx::Rect& LayerRect() const { return layer_rect_; }
const gfx::Rect& OpaqueRect() const { return opaque_rect_; }
// Make a thread-safe clone for rasterizing with.
scoped_refptr<Picture> Clone();
// Record a paint operation (clobbering any previous recording).
void Record(ContentLayerClient*, gfx::Rect layer_rect, RenderingStats&);
// Raster this Picture's layer_rect into the given canvas.
// Assumes contentsScale have already been applied.
void Raster(SkCanvas* canvas);
private:
Picture();
// This constructor assumes SkPicture is already ref'd and transfers
// ownership to this picture.
Picture(SkPicture*, gfx::Rect layer_rect, gfx::Rect opaque_rect);
~Picture();
gfx::Rect layer_rect_;
gfx::Rect opaque_rect_;
SkAutoTUnref<SkPicture> picture_;
friend class base::RefCountedThreadSafe<Picture>;
DISALLOW_COPY_AND_ASSIGN(Picture);
};
} // namespace cc
#endif // CC_PICTURE_H_
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