11320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci// Copyright 2014 The Chromium Authors. All rights reserved. 21320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci// Use of this source code is governed by a BSD-style license that can be 31320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci// found in the LICENSE file. 41320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 51320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#ifndef CC_TREES_OCCLUSION_H_ 61320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#define CC_TREES_OCCLUSION_H_ 71320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 81320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "base/basictypes.h" 91320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "cc/base/cc_export.h" 101320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "cc/base/simple_enclosed_region.h" 111320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "ui/gfx/rect.h" 121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#include "ui/gfx/transform.h" 131320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 141320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccinamespace cc { 151320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 161320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucciclass CC_EXPORT Occlusion { 171320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci public: 181320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci Occlusion(); 191320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci Occlusion(const gfx::Transform& draw_transform, 201320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci const SimpleEnclosedRegion& occlusion_from_outside_target, 211320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci const SimpleEnclosedRegion& occlusion_from_inside_target); 221320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci bool IsOccluded(const gfx::Rect& content_rect) const; 241320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci gfx::Rect GetUnoccludedContentRect(const gfx::Rect& content_rect) const; 251320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 261320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci private: 271320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci gfx::Rect GetUnoccludedRectInTargetSurface( 281320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci const gfx::Rect& content_rect) const; 291320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 301320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci gfx::Transform draw_transform_; 311320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci SimpleEnclosedRegion occlusion_from_outside_target_; 321320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci SimpleEnclosedRegion occlusion_from_inside_target_; 331320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci}; 341320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 351320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} // namespace cc 361320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 371320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci#endif // CC_TREES_OCCLUSION_H_ 38