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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_TILES_PICTURE_LAYER_TILING_SET_H_ | 5 #ifndef CC_TILES_PICTURE_LAYER_TILING_SET_H_ |
6 #define CC_TILES_PICTURE_LAYER_TILING_SET_H_ | 6 #define CC_TILES_PICTURE_LAYER_TILING_SET_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <list> | 10 #include <list> |
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100 // |start_scale|. If multiple tilings match the criteria, return the one with | 100 // |start_scale|. If multiple tilings match the criteria, return the one with |
101 // the least ratio to |start_scale|. | 101 // the least ratio to |start_scale|. |
102 float GetSnappedContentsScaleKey(float start_scale, | 102 float GetSnappedContentsScaleKey(float start_scale, |
103 float snap_to_existing_tiling_ratio) const; | 103 float snap_to_existing_tiling_ratio) const; |
104 | 104 |
105 // Returns the maximum contents scale of all tilings, or 0 if no tilings | 105 // Returns the maximum contents scale of all tilings, or 0 if no tilings |
106 // exist. Note that this returns the maximum of x and y scales depending on | 106 // exist. Note that this returns the maximum of x and y scales depending on |
107 // the aspect ratio. | 107 // the aspect ratio. |
108 float GetMaximumContentsScale() const; | 108 float GetMaximumContentsScale() const; |
109 | 109 |
| 110 // Remove one tiling. |
| 111 void Remove(PictureLayerTiling* tiling); |
| 112 |
110 // Removes all tilings with a contents scale key < |minimum_scale_key|. | 113 // Removes all tilings with a contents scale key < |minimum_scale_key|. |
111 void RemoveTilingsBelowScaleKey(float minimum_scale_key); | 114 void RemoveTilingsBelowScaleKey(float minimum_scale_key); |
112 | 115 |
113 // Removes all tilings with a contents scale key > |maximum_scale_key|. | 116 // Removes all tilings with a contents scale key > |maximum_scale_key|. |
114 void RemoveTilingsAboveScaleKey(float maximum_scale); | 117 void RemoveTilingsAboveScaleKey(float maximum_scale); |
115 | 118 |
116 // Remove all tilings. | 119 // Remove all tilings. |
117 void RemoveAllTilings(); | 120 void RemoveAllTilings(); |
118 | 121 |
119 // Remove all tiles; keep all tilings. | 122 // Remove all tiles; keep all tilings. |
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219 int tiling_interest_area_padding, | 222 int tiling_interest_area_padding, |
220 float skewport_target_time_in_seconds, | 223 float skewport_target_time_in_seconds, |
221 int skewport_extrapolation_limit_in_screen_pixels, | 224 int skewport_extrapolation_limit_in_screen_pixels, |
222 float max_preraster_distance); | 225 float max_preraster_distance); |
223 | 226 |
224 void CopyTilingsAndPropertiesFromPendingTwin( | 227 void CopyTilingsAndPropertiesFromPendingTwin( |
225 const PictureLayerTilingSet* pending_twin_set, | 228 const PictureLayerTilingSet* pending_twin_set, |
226 scoped_refptr<RasterSource> raster_source, | 229 scoped_refptr<RasterSource> raster_source, |
227 const Region& layer_invalidation); | 230 const Region& layer_invalidation); |
228 | 231 |
229 // Remove one tiling. | |
230 void Remove(PictureLayerTiling* tiling); | |
231 void VerifyTilings(const PictureLayerTilingSet* pending_twin_set) const; | 232 void VerifyTilings(const PictureLayerTilingSet* pending_twin_set) const; |
232 | 233 |
233 bool TilingsNeedUpdate(const gfx::Rect& required_rect_in_layer_space, | 234 bool TilingsNeedUpdate(const gfx::Rect& required_rect_in_layer_space, |
234 double current_frame_time_in_Seconds); | 235 double current_frame_time_in_Seconds); |
235 gfx::Rect ComputeSkewport(const gfx::Rect& visible_rect_in_layer_space, | 236 gfx::Rect ComputeSkewport(const gfx::Rect& visible_rect_in_layer_space, |
236 double current_frame_time_in_seconds, | 237 double current_frame_time_in_seconds, |
237 float ideal_contents_scale); | 238 float ideal_contents_scale); |
238 gfx::Rect ComputeSoonBorderRect(const gfx::Rect& visible_rect_in_layer_space, | 239 gfx::Rect ComputeSoonBorderRect(const gfx::Rect& visible_rect_in_layer_space, |
239 float ideal_contents_scale); | 240 float ideal_contents_scale); |
240 void UpdatePriorityRects(const gfx::Rect& visible_rect_in_layer_space, | 241 void UpdatePriorityRects(const gfx::Rect& visible_rect_in_layer_space, |
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263 | 264 |
264 friend class Iterator; | 265 friend class Iterator; |
265 | 266 |
266 private: | 267 private: |
267 DISALLOW_COPY_AND_ASSIGN(PictureLayerTilingSet); | 268 DISALLOW_COPY_AND_ASSIGN(PictureLayerTilingSet); |
268 }; | 269 }; |
269 | 270 |
270 } // namespace cc | 271 } // namespace cc |
271 | 272 |
272 #endif // CC_TILES_PICTURE_LAYER_TILING_SET_H_ | 273 #endif // CC_TILES_PICTURE_LAYER_TILING_SET_H_ |
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