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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_NINE_PATCH_LAYER_H_ | 5 #ifndef CC_NINE_PATCH_LAYER_H_ |
| 6 #define CC_NINE_PATCH_LAYER_H_ | 6 #define CC_NINE_PATCH_LAYER_H_ |
| 7 | 7 |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "cc/cc_export.h" | 9 #include "cc/cc_export.h" |
| 10 #include "cc/layer.h" | 10 #include "cc/layer.h" |
| 11 #include "cc/image_layer_updater.h" | 11 #include "cc/image_layer_updater.h" |
| 12 #include "ui/gfx/rect.h" | 12 #include "ui/gfx/rect.h" |
| 13 #include "third_party/skia/include/core/SkBitmap.h" | 13 #include "third_party/skia/include/core/SkBitmap.h" |
| 14 | 14 |
| 15 namespace cc { | 15 namespace cc { |
| 16 | 16 |
| 17 class ResourceUpdateQueue; | 17 class ResourceUpdateQueue; |
| 18 | 18 |
| 19 class CC_EXPORT NinePatchLayer : public Layer { | 19 class CC_EXPORT NinePatchLayer : public Layer { |
| 20 public: | 20 public: |
| 21 static scoped_refptr<NinePatchLayer> Create(); | 21 static scoped_refptr<NinePatchLayer> Create(); |
| 22 | 22 |
| 23 virtual bool drawsContent() const OVERRIDE; | 23 virtual bool DrawsContent() const OVERRIDE; |
| 24 virtual void setTexturePriorities(const PriorityCalculator& priority_calc) | 24 virtual void SetTexturePriorities(const PriorityCalculator& priority_calc) |
| 25 OVERRIDE; | 25 OVERRIDE; |
| 26 virtual void update(ResourceUpdateQueue& queue, | 26 virtual void Update(ResourceUpdateQueue* queue, |
| 27 const OcclusionTracker* occlusion, | 27 const OcclusionTracker* occlusion, |
| 28 RenderingStats* stats) OVERRIDE; | 28 RenderingStats* stats) OVERRIDE; |
| 29 virtual void pushPropertiesTo(LayerImpl* layer) OVERRIDE; | 29 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; |
| 30 | 30 |
| 31 // aperture is in the pixel space of the bitmap resource and refers to | 31 // aperture is in the pixel space of the bitmap resource and refers to |
| 32 // the center patch of the ninepatch (which is unused in this | 32 // the center patch of the ninepatch (which is unused in this |
| 33 // implementation). We split off eight rects surrounding it and stick them | 33 // implementation). We split off eight rects surrounding it and stick them |
| 34 // on the edges of the layer. The corners are unscaled, the top and bottom | 34 // on the edges of the layer. The corners are unscaled, the top and bottom |
| 35 // rects are x-stretched to fit, and the left and right rects are | 35 // rects are x-stretched to fit, and the left and right rects are |
| 36 // y-stretched to fit. | 36 // y-stretched to fit. |
| 37 void SetBitmap(const SkBitmap& bitmap, gfx::Rect aperture); | 37 void SetBitmap(const SkBitmap& bitmap, gfx::Rect aperture); |
| 38 | 38 |
| 39 private: | 39 private: |
| 40 NinePatchLayer(); | 40 NinePatchLayer(); |
| 41 virtual ~NinePatchLayer(); | 41 virtual ~NinePatchLayer(); |
| 42 virtual scoped_ptr<LayerImpl> createLayerImpl(LayerTreeImpl* tree_impl) | 42 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) |
| 43 OVERRIDE; | 43 OVERRIDE; |
| 44 | 44 |
| 45 void CreateUpdaterIfNeeded(); | 45 void CreateUpdaterIfNeeded(); |
| 46 void CreateResource(); | 46 void CreateResource(); |
| 47 | 47 |
| 48 scoped_refptr<ImageLayerUpdater> updater_; | 48 scoped_refptr<ImageLayerUpdater> updater_; |
| 49 scoped_ptr<LayerUpdater::Resource> resource_; | 49 scoped_ptr<LayerUpdater::Resource> resource_; |
| 50 | 50 |
| 51 SkBitmap bitmap_; | 51 SkBitmap bitmap_; |
| 52 bool bitmap_dirty_; | 52 bool bitmap_dirty_; |
| 53 | 53 |
| 54 // The transparent center region that shows the parent layer's contents in | 54 // The transparent center region that shows the parent layer's contents in |
| 55 // image space. | 55 // image space. |
| 56 gfx::Rect image_aperture_; | 56 gfx::Rect image_aperture_; |
| 57 }; | 57 }; |
| 58 | 58 |
| 59 } // namespace cc | 59 } // namespace cc |
| 60 | 60 |
| 61 #endif // CC_NINE_PATCH_LAYER_H_ | 61 #endif // CC_NINE_PATCH_LAYER_H_ |
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