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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_LAYERS_NINE_PATCH_LAYER_IMPL_H_ | 5 #ifndef CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_ |
| 6 #define CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_ | 6 #define CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 | 9 |
| 10 #include "cc/base/cc_export.h" | 10 #include "cc/base/cc_export.h" |
| 11 #include "cc/layers/layer_impl.h" | 11 #include "cc/layers/layer_impl.h" |
| 12 #include "cc/resources/resource_provider.h" | 12 #include "cc/resources/resource_provider.h" |
| 13 #include "cc/resources/ui_resource_client.h" |
| 13 #include "ui/gfx/rect.h" | 14 #include "ui/gfx/rect.h" |
| 14 #include "ui/gfx/size.h" | 15 #include "ui/gfx/size.h" |
| 15 | 16 |
| 16 namespace base { | 17 namespace base { |
| 17 class DictionaryValue; | 18 class DictionaryValue; |
| 18 } | 19 } |
| 19 | 20 |
| 20 namespace cc { | 21 namespace cc { |
| 21 | 22 |
| 22 class CC_EXPORT NinePatchLayerImpl : public LayerImpl { | 23 class CC_EXPORT NinePatchLayerImpl : public LayerImpl { |
| 23 public: | 24 public: |
| 24 static scoped_ptr<NinePatchLayerImpl> Create(LayerTreeImpl* tree_impl, | 25 static scoped_ptr<NinePatchLayerImpl> Create(LayerTreeImpl* tree_impl, |
| 25 int id) { | 26 int id) { |
| 26 return make_scoped_ptr(new NinePatchLayerImpl(tree_impl, id)); | 27 return make_scoped_ptr(new NinePatchLayerImpl(tree_impl, id)); |
| 27 } | 28 } |
| 28 virtual ~NinePatchLayerImpl(); | 29 virtual ~NinePatchLayerImpl(); |
| 29 | 30 |
| 30 void SetResourceId(unsigned id) { resource_id_ = id; } | 31 |
| 31 void SetLayout(gfx::Size image_bounds, gfx::Rect aperture); | 32 void SetUIResourceId(UIResourceId uid); |
| 33 |
| 34 // The bitmap stretches out the bounds of the layer. The following picture |
| 35 // illustrates the parameters associated with the dimensions. |
| 36 // |
| 37 // Layer space layout Bitmap space layout |
| 38 // |
| 39 // ------------------------ ~~~~~~~~~~ W ~~~~~~~~~~ |
| 40 // | : | : : | |
| 41 // | C | : Y | |
| 42 // | : | : : | |
| 43 // | ------------ | :~~X~~------------ | |
| 44 // | | | | : | : | |
| 45 // | | | | : | : | |
| 46 // |~~A~~| |~~B~~| H | Q | |
| 47 // | | | | : | : | |
| 48 // | ------------ | : ~~~~~P~~~~~ | |
| 49 // | : | : | |
| 50 // | D | : | |
| 51 // | : | : | |
| 52 // ------------------------ ------------------------ |
| 53 // |
| 54 // |image_bounds| = (W, H) |
| 55 // |image_aperture| = (X, Y, P, Q) |
| 56 // |border| = (A, C, A + B, C + D) |
| 57 // |fill_center| indicates whether to draw the center quad or not. |
| 58 void SetLayout(gfx::Size image_bounds, |
| 59 gfx::Rect image_aperture, |
| 60 gfx::Rect border, |
| 61 bool fill_center); |
| 32 | 62 |
| 33 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) | 63 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) |
| 34 OVERRIDE; | 64 OVERRIDE; |
| 35 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; | 65 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; |
| 36 | 66 |
| 37 virtual bool WillDraw(DrawMode draw_mode, | 67 virtual bool WillDraw(DrawMode draw_mode, |
| 38 ResourceProvider* resource_provider) OVERRIDE; | 68 ResourceProvider* resource_provider) OVERRIDE; |
| 39 virtual void AppendQuads(QuadSink* quad_sink, | 69 virtual void AppendQuads(QuadSink* quad_sink, |
| 40 AppendQuadsData* append_quads_data) OVERRIDE; | 70 AppendQuadsData* append_quads_data) OVERRIDE; |
| 41 virtual ResourceProvider::ResourceId ContentsResourceId() const OVERRIDE; | 71 virtual ResourceProvider::ResourceId ContentsResourceId() const OVERRIDE; |
| 42 virtual void DidLoseOutputSurface() OVERRIDE; | |
| 43 | 72 |
| 44 virtual base::DictionaryValue* LayerTreeAsJson() const OVERRIDE; | 73 virtual base::DictionaryValue* LayerTreeAsJson() const OVERRIDE; |
| 45 | 74 |
| 46 protected: | 75 protected: |
| 47 NinePatchLayerImpl(LayerTreeImpl* tree_impl, int id); | 76 NinePatchLayerImpl(LayerTreeImpl* tree_impl, int id); |
| 48 | 77 |
| 49 private: | 78 private: |
| 50 virtual const char* LayerTypeAsString() const OVERRIDE; | 79 virtual const char* LayerTypeAsString() const OVERRIDE; |
| 51 | 80 |
| 52 // The size of the NinePatch bitmap in pixels. | 81 // The size of the NinePatch bitmap in pixels. |
| 53 gfx::Size image_bounds_; | 82 gfx::Size image_bounds_; |
| 54 | 83 |
| 55 // The transparent center region that shows the parent layer's contents in | 84 // The transparent center region that shows the parent layer's contents in |
| 56 // image space. | 85 // image space. |
| 57 gfx::Rect image_aperture_; | 86 gfx::Rect image_aperture_; |
| 58 | 87 |
| 59 ResourceProvider::ResourceId resource_id_; | 88 // An inset border that the patches will be mapped to. |
| 89 gfx::Rect border_; |
| 90 |
| 91 bool fill_center_; |
| 92 |
| 93 UIResourceId ui_resource_id_; |
| 60 | 94 |
| 61 DISALLOW_COPY_AND_ASSIGN(NinePatchLayerImpl); | 95 DISALLOW_COPY_AND_ASSIGN(NinePatchLayerImpl); |
| 62 }; | 96 }; |
| 63 | 97 |
| 64 } // namespace cc | 98 } // namespace cc |
| 65 | 99 |
| 66 #endif // CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_ | 100 #endif // CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_ |
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