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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_SIMPLE_ENCLOSED_REGION_H_ | 5 #ifndef CC_BASE_SIMPLE_ENCLOSED_REGION_H_ |
| 6 #define CC_BASE_SIMPLE_ENCLOSED_REGION_H_ | 6 #define CC_BASE_SIMPLE_ENCLOSED_REGION_H_ |
| 7 | 7 |
| 8 #include <stddef.h> |
| 9 |
| 8 #include <string> | 10 #include <string> |
| 9 | 11 |
| 10 #include "cc/base/cc_export.h" | 12 #include "cc/base/cc_export.h" |
| 11 #include "ui/gfx/geometry/rect.h" | 13 #include "ui/gfx/geometry/rect.h" |
| 12 | 14 |
| 13 namespace cc { | 15 namespace cc { |
| 14 | 16 |
| 15 class Region; | 17 class Region; |
| 16 | 18 |
| 17 // A constant-sized approximation of a Region. The SimpleEnclosedRegion may | 19 // A constant-sized approximation of a Region. The SimpleEnclosedRegion may |
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| 113 const SimpleEnclosedRegion& a, | 115 const SimpleEnclosedRegion& a, |
| 114 const SimpleEnclosedRegion& b) { | 116 const SimpleEnclosedRegion& b) { |
| 115 SimpleEnclosedRegion result = a; | 117 SimpleEnclosedRegion result = a; |
| 116 result.Union(b); | 118 result.Union(b); |
| 117 return result; | 119 return result; |
| 118 } | 120 } |
| 119 | 121 |
| 120 } // namespace cc | 122 } // namespace cc |
| 121 | 123 |
| 122 #endif // CC_BASE_SIMPLE_ENCLOSED_REGION_H_ | 124 #endif // CC_BASE_SIMPLE_ENCLOSED_REGION_H_ |
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