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1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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_LAYERS_TILED_LAYER_H_ | 5 #ifndef CC_LAYERS_TILED_LAYER_H_ |
6 #define CC_LAYERS_TILED_LAYER_H_ | 6 #define CC_LAYERS_TILED_LAYER_H_ |
7 | 7 |
8 #include "cc/base/cc_export.h" | 8 #include "cc/base/cc_export.h" |
9 #include "cc/layers/contents_scaling_layer.h" | 9 #include "cc/layers/contents_scaling_layer.h" |
10 #include "cc/resources/layer_tiling_data.h" | 10 #include "cc/resources/layer_tiling_data.h" |
| 11 #include "cc/resources/resource_format.h" |
11 | 12 |
12 namespace cc { | 13 namespace cc { |
13 class LayerUpdater; | 14 class LayerUpdater; |
14 class PrioritizedResourceManager; | 15 class PrioritizedResourceManager; |
15 class PrioritizedResource; | 16 class PrioritizedResource; |
16 class UpdatableTile; | 17 class UpdatableTile; |
17 | 18 |
18 class CC_EXPORT TiledLayer : public ContentsScalingLayer { | 19 class CC_EXPORT TiledLayer : public ContentsScalingLayer { |
19 public: | 20 public: |
20 enum TilingOption { | 21 enum TilingOption { |
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38 | 39 |
39 protected: | 40 protected: |
40 TiledLayer(); | 41 TiledLayer(); |
41 virtual ~TiledLayer(); | 42 virtual ~TiledLayer(); |
42 | 43 |
43 void UpdateTileSizeAndTilingOption(); | 44 void UpdateTileSizeAndTilingOption(); |
44 void UpdateBounds(); | 45 void UpdateBounds(); |
45 | 46 |
46 // Exposed to subclasses for testing. | 47 // Exposed to subclasses for testing. |
47 void SetTileSize(gfx::Size size); | 48 void SetTileSize(gfx::Size size); |
48 void SetTextureFormat(unsigned texture_format) { | 49 void SetTextureFormat(ResourceFormat texture_format) { |
49 texture_format_ = texture_format; | 50 texture_format_ = texture_format; |
50 } | 51 } |
51 void SetBorderTexelOption(LayerTilingData::BorderTexelOption option); | 52 void SetBorderTexelOption(LayerTilingData::BorderTexelOption option); |
52 size_t NumPaintedTiles() { return tiler_->tiles().size(); } | 53 size_t NumPaintedTiles() { return tiler_->tiles().size(); } |
53 | 54 |
54 virtual LayerUpdater* Updater() const = 0; | 55 virtual LayerUpdater* Updater() const = 0; |
55 virtual void CreateUpdaterIfNeeded() = 0; | 56 virtual void CreateUpdaterIfNeeded() = 0; |
56 | 57 |
57 // Set invalidations to be potentially repainted during Update(). | 58 // Set invalidations to be potentially repainted during Update(). |
58 void InvalidateContentRect(gfx::Rect content_rect); | 59 void InvalidateContentRect(gfx::Rect content_rect); |
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113 int bottom, | 114 int bottom, |
114 ResourceUpdateQueue* queue, | 115 ResourceUpdateQueue* queue, |
115 const OcclusionTracker* occlusion); | 116 const OcclusionTracker* occlusion); |
116 void UpdateScrollPrediction(); | 117 void UpdateScrollPrediction(); |
117 | 118 |
118 UpdatableTile* TileAt(int i, int j) const; | 119 UpdatableTile* TileAt(int i, int j) const; |
119 UpdatableTile* CreateTile(int i, int j); | 120 UpdatableTile* CreateTile(int i, int j); |
120 | 121 |
121 bool IsSmallAnimatedLayer() const; | 122 bool IsSmallAnimatedLayer() const; |
122 | 123 |
123 unsigned texture_format_; | 124 ResourceFormat texture_format_; |
124 bool skips_draw_; | 125 bool skips_draw_; |
125 bool failed_update_; | 126 bool failed_update_; |
126 | 127 |
127 // Used for predictive painting. | 128 // Used for predictive painting. |
128 gfx::Vector2d predicted_scroll_; | 129 gfx::Vector2d predicted_scroll_; |
129 gfx::Rect predicted_visible_rect_; | 130 gfx::Rect predicted_visible_rect_; |
130 gfx::Rect previous_visible_rect_; | 131 gfx::Rect previous_visible_rect_; |
131 gfx::Size previous_content_bounds_; | 132 gfx::Size previous_content_bounds_; |
132 | 133 |
133 TilingOption tiling_option_; | 134 TilingOption tiling_option_; |
134 scoped_ptr<LayerTilingData> tiler_; | 135 scoped_ptr<LayerTilingData> tiler_; |
135 | 136 |
136 DISALLOW_COPY_AND_ASSIGN(TiledLayer); | 137 DISALLOW_COPY_AND_ASSIGN(TiledLayer); |
137 }; | 138 }; |
138 | 139 |
139 } // namespace cc | 140 } // namespace cc |
140 | 141 |
141 #endif // CC_LAYERS_TILED_LAYER_H_ | 142 #endif // CC_LAYERS_TILED_LAYER_H_ |
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