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Side by Side Diff: cc/base/invalidation_region.h

Issue 2748263002: Move cc::DisplayItemList and related classes into cc/paint/ (Closed)
Patch Set: Merge branch 'master' into ccpaint Created 3 years, 9 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CC_BASE_INVALIDATION_REGION_H_ 5 #ifndef CC_BASE_INVALIDATION_REGION_H_
6 #define CC_BASE_INVALIDATION_REGION_H_ 6 #define CC_BASE_INVALIDATION_REGION_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "cc/base/cc_export.h" 10 #include "cc/base/base_export.h"
11 #include "cc/base/region.h" 11 #include "cc/base/region.h"
12 #include "ui/gfx/geometry/rect.h" 12 #include "ui/gfx/geometry/rect.h"
13 13
14 namespace cc { 14 namespace cc {
15 15
16 // This class behaves similarly to Region, but it may have false positives. That 16 // This class behaves similarly to Region, but it may have false positives. That
17 // is, InvalidationRegion can be simplified to encompass a larger area than the 17 // is, InvalidationRegion can be simplified to encompass a larger area than the
18 // collection of rects unioned. 18 // collection of rects unioned.
19 class CC_EXPORT InvalidationRegion { 19 class CC_BASE_EXPORT InvalidationRegion {
20 public: 20 public:
21 InvalidationRegion(); 21 InvalidationRegion();
22 ~InvalidationRegion(); 22 ~InvalidationRegion();
23 23
24 void Swap(Region* region); 24 void Swap(Region* region);
25 void Clear(); 25 void Clear();
26 void Union(const gfx::Rect& rect); 26 void Union(const gfx::Rect& rect);
27 bool IsEmpty() const { return pending_rects_.empty() && region_.IsEmpty(); } 27 bool IsEmpty() const { return pending_rects_.empty() && region_.IsEmpty(); }
28 28
29 private: 29 private:
30 void FinalizePendingRects(); 30 void FinalizePendingRects();
31 31
32 Region region_; 32 Region region_;
33 std::vector<gfx::Rect> pending_rects_; 33 std::vector<gfx::Rect> pending_rects_;
34 }; 34 };
35 35
36 } // namespace cc 36 } // namespace cc
37 37
38 #endif // CC_BASE_INVALIDATION_REGION_H_ 38 #endif // CC_BASE_INVALIDATION_REGION_H_
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