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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CC_CONTENT_LAYER_UPDATER_H_ | |
6 #define CC_CONTENT_LAYER_UPDATER_H_ | |
7 | |
8 #include "cc/base/cc_export.h" | |
9 #include "cc/layer_updater.h" | |
10 #include "ui/gfx/rect.h" | |
11 | |
12 class SkCanvas; | |
13 | |
14 namespace cc { | |
15 | |
16 class LayerPainter; | |
17 | |
18 // Base class for BitmapContentLayerUpdater and | |
19 // SkPictureContentLayerUpdater that reduces code duplication between | |
20 // their respective paintContents implementations. | |
21 class CC_EXPORT ContentLayerUpdater : public LayerUpdater { | |
22 protected: | |
23 explicit ContentLayerUpdater(scoped_ptr<LayerPainter> painter); | |
24 virtual ~ContentLayerUpdater(); | |
25 | |
26 void PaintContents(SkCanvas* canvas, | |
27 gfx::Rect content_rect, | |
28 float contents_width_scale, | |
29 float contents_height_scale, | |
30 gfx::Rect* resulting_opaque_rect, | |
31 RenderingStats* stats); | |
32 gfx::Rect content_rect() const { return content_rect_; } | |
33 | |
34 private: | |
35 gfx::Rect content_rect_; | |
36 scoped_ptr<LayerPainter> painter_; | |
37 | |
38 DISALLOW_COPY_AND_ASSIGN(ContentLayerUpdater); | |
39 }; | |
40 | |
41 } // namespace cc | |
42 | |
43 #endif // CC_CONTENT_LAYER_UPDATER_H_ | |
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