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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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_QUADS_NINE_PATCH_GENERATOR_H_ |
6 #define CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_ | 6 #define CC_QUADS_NINE_PATCH_GENERATOR_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
| 9 #include <vector> |
9 | 10 |
10 #include "base/macros.h" | 11 #include "base/macros.h" |
11 #include "base/memory/ptr_util.h" | 12 #include "base/memory/ptr_util.h" |
12 #include "cc/base/cc_export.h" | 13 #include "cc/base/cc_export.h" |
13 #include "cc/layers/layer_impl.h" | |
14 #include "cc/layers/ui_resource_layer_impl.h" | |
15 #include "cc/resources/resource_provider.h" | |
16 #include "cc/resources/ui_resource_client.h" | 14 #include "cc/resources/ui_resource_client.h" |
17 #include "ui/gfx/geometry/rect.h" | 15 #include "ui/gfx/geometry/rect.h" |
| 16 #include "ui/gfx/geometry/rect_f.h" |
18 #include "ui/gfx/geometry/size.h" | 17 #include "ui/gfx/geometry/size.h" |
19 | 18 |
20 namespace base { | 19 namespace base { |
21 class DictionaryValue; | 20 class DictionaryValue; |
22 } | 21 } |
23 | 22 |
24 namespace cc { | 23 namespace cc { |
25 | 24 |
26 class CC_EXPORT NinePatchLayerImpl : public UIResourceLayerImpl { | 25 class LayerImpl; |
| 26 class RenderPass; |
| 27 class SharedQuadState; |
| 28 |
| 29 class CC_EXPORT NinePatchGenerator { |
27 public: | 30 public: |
28 static std::unique_ptr<NinePatchLayerImpl> Create(LayerTreeImpl* tree_impl, | 31 class Patch { |
29 int id) { | 32 public: |
30 return base::WrapUnique(new NinePatchLayerImpl(tree_impl, id)); | 33 Patch(const gfx::RectF& image_rect, |
31 } | 34 const gfx::Size& total_image_bounds, |
32 ~NinePatchLayerImpl() override; | 35 const gfx::RectF& output_rect); |
| 36 |
| 37 gfx::RectF image_rect; |
| 38 gfx::RectF normalized_image_rect; |
| 39 gfx::RectF output_rect; |
| 40 }; |
| 41 |
| 42 NinePatchGenerator(); |
33 | 43 |
34 // The bitmap stretches out the bounds of the layer. The following picture | 44 // The bitmap stretches out the bounds of the layer. The following picture |
35 // illustrates the parameters associated with the dimensions. | 45 // illustrates the parameters associated with the dimensions. |
36 // | 46 // |
37 // Layer space layout | 47 // Layer space layout |
38 // | 48 // |
39 // -------------------------------- | 49 // -------------------------------- |
40 // | : : | | 50 // | : : | |
41 // | J C | | 51 // | J C | |
42 // | : : | | 52 // | : : | |
(...skipping 27 matching lines...) Expand all Loading... |
70 // : | | 80 // : | |
71 // : | | 81 // : | |
72 // : | | 82 // : | |
73 // ------------------------ | 83 // ------------------------ |
74 // | 84 // |
75 // |image_bounds| = (W, H) | 85 // |image_bounds| = (W, H) |
76 // |image_aperture| = (X, Y, P, Q) | 86 // |image_aperture| = (X, Y, P, Q) |
77 // |border| = (A, C, A + B, C + D) | 87 // |border| = (A, C, A + B, C + D) |
78 // |occlusion_rectangle| = (I, J, K, L) | 88 // |occlusion_rectangle| = (I, J, K, L) |
79 // |fill_center| indicates whether to draw the center quad or not. | 89 // |fill_center| indicates whether to draw the center quad or not. |
80 void SetLayout(const gfx::Rect& image_aperture, | 90 bool SetLayout(const gfx::Size& image_bounds, |
| 91 const gfx::Size& output_bounds, |
| 92 const gfx::Rect& image_aperture, |
81 const gfx::Rect& border, | 93 const gfx::Rect& border, |
82 const gfx::Rect& layer_occlusion, | 94 const gfx::Rect& output_occlusion, |
83 bool fill_center, | 95 bool fill_center, |
84 bool nearest_neighbor); | 96 bool nearest_neighbor); |
85 | 97 |
86 std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override; | 98 std::vector<Patch> GeneratePatches() const; |
87 void PushPropertiesTo(LayerImpl* layer) override; | |
88 | 99 |
89 void AppendQuads(RenderPass* render_pass, | 100 void AppendQuads(LayerImpl* layer_impl, |
90 AppendQuadsData* append_quads_data) override; | 101 UIResourceId ui_resource_id, |
| 102 RenderPass* render_pass, |
| 103 SharedQuadState* shared_quad_state, |
| 104 const std::vector<Patch>& patches); |
91 | 105 |
92 std::unique_ptr<base::DictionaryValue> LayerTreeAsJson() override; | 106 void AsJson(base::DictionaryValue* dictionary) const; |
93 | |
94 protected: | |
95 NinePatchLayerImpl(LayerTreeImpl* tree_impl, int id); | |
96 | 107 |
97 private: | 108 private: |
98 class Patch { | |
99 public: | |
100 Patch(const gfx::RectF& image_rect, const gfx::RectF& layer_rect); | |
101 | |
102 gfx::RectF image_rect; | |
103 gfx::RectF layer_rect; | |
104 }; | |
105 | |
106 const char* LayerTypeAsString() const override; | |
107 | |
108 void CheckGeometryLimitations(); | 109 void CheckGeometryLimitations(); |
109 | 110 |
110 std::vector<Patch> ComputeQuadsWithOcclusion() const; | 111 std::vector<Patch> ComputeQuadsWithOcclusion() const; |
111 std::vector<Patch> ComputeQuadsWithoutOcclusion() const; | 112 std::vector<Patch> ComputeQuadsWithoutOcclusion() const; |
112 | 113 |
113 // The transparent center region that shows the parent layer's contents in | 114 // The center patch in image space. |
114 // image space. | |
115 gfx::Rect image_aperture_; | 115 gfx::Rect image_aperture_; |
116 | 116 |
117 // An inset border that the patches will be mapped to. | 117 // An inset border that the patches will be mapped to. |
118 gfx::Rect border_; | 118 gfx::Rect border_; |
119 | 119 |
| 120 gfx::Size image_bounds_; |
| 121 gfx::Size output_bounds_; |
| 122 |
120 bool fill_center_; | 123 bool fill_center_; |
121 | |
122 bool nearest_neighbor_; | 124 bool nearest_neighbor_; |
123 | 125 |
124 gfx::Rect layer_occlusion_; | 126 gfx::Rect output_occlusion_; |
125 | |
126 DISALLOW_COPY_AND_ASSIGN(NinePatchLayerImpl); | |
127 }; | 127 }; |
128 | 128 |
129 } // namespace cc | 129 } // namespace cc |
130 | 130 |
131 #endif // CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_ | 131 #endif // CC_QUADS_NINE_PATCH_GENERATOR_H_ |
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