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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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