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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_CACHING_BITMAP_CONTENT_LAYER_UPDATER_H_ | 5 #ifndef CC_RESOURCES_CACHING_BITMAP_CONTENT_LAYER_UPDATER_H_ |
6 #define CC_RESOURCES_CACHING_BITMAP_CONTENT_LAYER_UPDATER_H_ | 6 #define CC_RESOURCES_CACHING_BITMAP_CONTENT_LAYER_UPDATER_H_ |
7 | 7 |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "cc/resources/bitmap_content_layer_updater.h" | 9 #include "cc/resources/bitmap_content_layer_updater.h" |
10 #include "third_party/skia/include/core/SkBitmap.h" | 10 #include "third_party/skia/include/core/SkBitmap.h" |
11 | 11 |
12 namespace cc { | 12 namespace cc { |
13 | 13 |
14 class CachingBitmapContentLayerUpdater : public BitmapContentLayerUpdater { | 14 class CachingBitmapContentLayerUpdater : public BitmapContentLayerUpdater { |
15 public: | 15 public: |
16 static scoped_refptr<CachingBitmapContentLayerUpdater> Create( | 16 static scoped_refptr<CachingBitmapContentLayerUpdater> Create( |
17 scoped_ptr<LayerPainter>, | 17 scoped_ptr<LayerPainter>, |
18 RenderingStatsInstrumentation* stats_instrumentation, | 18 RenderingStatsInstrumentation* stats_instrumentation, |
19 int layer_id); | 19 int layer_id); |
20 | 20 |
21 virtual void PrepareToUpdate(gfx::Rect content_rect, | 21 virtual void PrepareToUpdate(gfx::Rect content_rect, |
| 22 gfx::Rect paint_rect, |
22 gfx::Size tile_size, | 23 gfx::Size tile_size, |
23 float contents_width_scale, | 24 float contents_width_scale, |
24 float contents_height_scale, | 25 float contents_height_scale, |
25 gfx::Rect* resulting_opaque_rect) OVERRIDE; | 26 gfx::Rect* resulting_opaque_rect) OVERRIDE; |
26 | 27 |
27 bool pixels_did_change() const { | 28 bool pixels_did_change() const { |
28 return pixels_did_change_; | 29 return pixels_did_change_; |
29 } | 30 } |
30 | 31 |
31 private: | 32 private: |
32 CachingBitmapContentLayerUpdater( | 33 CachingBitmapContentLayerUpdater( |
33 scoped_ptr<LayerPainter> painter, | 34 scoped_ptr<LayerPainter> painter, |
34 RenderingStatsInstrumentation* stats_instrumentation, | 35 RenderingStatsInstrumentation* stats_instrumentation, |
35 int layer_id); | 36 int layer_id); |
36 virtual ~CachingBitmapContentLayerUpdater(); | 37 virtual ~CachingBitmapContentLayerUpdater(); |
37 | 38 |
38 bool pixels_did_change_; | 39 bool pixels_did_change_; |
39 SkBitmap cached_bitmap_; | 40 SkBitmap cached_bitmap_; |
40 | 41 |
41 DISALLOW_COPY_AND_ASSIGN(CachingBitmapContentLayerUpdater); | 42 DISALLOW_COPY_AND_ASSIGN(CachingBitmapContentLayerUpdater); |
42 }; | 43 }; |
43 | 44 |
44 } // namespace cc | 45 } // namespace cc |
45 | 46 |
46 #endif // CC_RESOURCES_CACHING_BITMAP_CONTENT_LAYER_UPDATER_H_ | 47 #endif // CC_RESOURCES_CACHING_BITMAP_CONTENT_LAYER_UPDATER_H_ |
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