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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_PILE_H_
#define CC_PICTURE_PILE_H_
#include <list>
#include "base/basictypes.h"
#include "cc/cc_export.h"
#include "cc/picture.h"
#include "cc/region.h"
#include "cc/scoped_ptr_vector.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/size.h"
namespace cc {
class PicturePileImpl;
struct RenderingStats;
class CC_EXPORT PicturePile {
public:
PicturePile();
~PicturePile();
// Resize the PicturePile, invalidating / dropping recorded pictures as
// necessary.
void Resize(gfx::Size);
gfx::Size size() const { return size_; }
// Re-record parts of the picture that are invalid.
// Invalidations are in layer space.
void Update(
ContentLayerClient* painter,
const Region& invalidation,
RenderingStats& stats);
// Update other with a shallow copy of this (main => compositor thread commit)
void PushPropertiesTo(PicturePileImpl* other);
private:
friend class PicturePileImpl;
void InvalidateRect(gfx::Rect invalidation);
void ResetPile(ContentLayerClient* painter, RenderingStats& stats);
typedef std::list<scoped_refptr<Picture> > Pile;
Pile pile_;
gfx::Size size_;
DISALLOW_COPY_AND_ASSIGN(PicturePile);
};
} // namespace cc
#endif // CC_PICTURE_PILE_H_
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