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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_TREES_OCCLUSION_H_
#define CC_TREES_OCCLUSION_H_
#include "base/basictypes.h"
#include "cc/base/cc_export.h"
#include "cc/base/simple_enclosed_region.h"
#include "ui/gfx/transform.h"
namespace gfx {
class Rect;
} // namespace gfx
namespace cc {
class CC_EXPORT Occlusion {
public:
Occlusion();
Occlusion(const gfx::Transform& draw_transform,
const SimpleEnclosedRegion& occlusion_from_outside_target,
const SimpleEnclosedRegion& occlusion_from_inside_target);
bool IsOccluded(const gfx::Rect& content_rect) const;
private:
gfx::Transform draw_transform_;
SimpleEnclosedRegion occlusion_from_outside_target_;
SimpleEnclosedRegion occlusion_from_inside_target_;
};
} // namespace cc
#endif // CC_TREES_OCCLUSION_H_
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