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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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_RESOURCES_PICTURE_LAYER_TILING_SET_H_ | 5 #ifndef CC_RESOURCES_PICTURE_LAYER_TILING_SET_H_ |
| 6 #define CC_RESOURCES_PICTURE_LAYER_TILING_SET_H_ | 6 #define CC_RESOURCES_PICTURE_LAYER_TILING_SET_H_ |
| 7 | 7 |
| 8 #include "cc/base/region.h" | 8 #include "cc/base/region.h" |
| 9 #include "cc/base/scoped_ptr_vector.h" | 9 #include "cc/base/scoped_ptr_vector.h" |
| 10 #include "cc/resources/picture_layer_tiling.h" | 10 #include "cc/resources/picture_layer_tiling.h" |
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| 48 // Remove all tilings. | 48 // Remove all tilings. |
| 49 void RemoveAllTilings(); | 49 void RemoveAllTilings(); |
| 50 | 50 |
| 51 // Remove one tiling. | 51 // Remove one tiling. |
| 52 void Remove(PictureLayerTiling* tiling); | 52 void Remove(PictureLayerTiling* tiling); |
| 53 | 53 |
| 54 // Remove all tiles; keep all tilings. | 54 // Remove all tiles; keep all tilings. |
| 55 void RemoveAllTiles(); | 55 void RemoveAllTiles(); |
| 56 | 56 |
| 57 void DidBecomeActive(); | 57 void DidBecomeActive(); |
| 58 void DidBecomeRecycled(); | |
| 59 | 58 |
| 60 // For a given rect, iterates through tiles that can fill it. If no | 59 // For a given rect, iterates through tiles that can fill it. If no |
| 61 // set of tiles with resources can fill the rect, then it will iterate | 60 // set of tiles with resources can fill the rect, then it will iterate |
| 62 // through null tiles with valid geometry_rect() until the rect is full. | 61 // through null tiles with valid geometry_rect() until the rect is full. |
| 63 // If all tiles have resources, the union of all geometry_rects will | 62 // If all tiles have resources, the union of all geometry_rects will |
| 64 // exactly fill rect with no overlap. | 63 // exactly fill rect with no overlap. |
| 65 class CC_EXPORT CoverageIterator { | 64 class CC_EXPORT CoverageIterator { |
| 66 public: | 65 public: |
| 67 CoverageIterator(const PictureLayerTilingSet* set, | 66 CoverageIterator(const PictureLayerTilingSet* set, |
| 68 float contents_scale, | 67 float contents_scale, |
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| 109 gfx::Size layer_bounds_; | 108 gfx::Size layer_bounds_; |
| 110 ScopedPtrVector<PictureLayerTiling> tilings_; | 109 ScopedPtrVector<PictureLayerTiling> tilings_; |
| 111 | 110 |
| 112 friend class Iterator; | 111 friend class Iterator; |
| 113 DISALLOW_COPY_AND_ASSIGN(PictureLayerTilingSet); | 112 DISALLOW_COPY_AND_ASSIGN(PictureLayerTilingSet); |
| 114 }; | 113 }; |
| 115 | 114 |
| 116 } // namespace cc | 115 } // namespace cc |
| 117 | 116 |
| 118 #endif // CC_RESOURCES_PICTURE_LAYER_TILING_SET_H_ | 117 #endif // CC_RESOURCES_PICTURE_LAYER_TILING_SET_H_ |
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