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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_ | |
| 6 #define CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "cc/base/cc_export.h" | |
| 11 #include "cc/layers/layer_impl.h" | |
| 12 #include "cc/layers/ui_resource_layer_impl.h" | |
| 13 #include "cc/resources/resource_provider.h" | |
| 14 #include "cc/resources/ui_resource_client.h" | |
| 15 #include "ui/gfx/geometry/rect.h" | |
| 16 #include "ui/gfx/geometry/size.h" | |
| 17 | |
| 18 namespace base { | |
| 19 class DictionaryValue; | |
| 20 } | |
| 21 | |
| 22 namespace cc { | |
| 23 | |
| 24 class CC_EXPORT NinePatchLayerImpl : public UIResourceLayerImpl { | |
| 25 public: | |
| 26 static scoped_ptr<NinePatchLayerImpl> Create(LayerTreeImpl* tree_impl, | |
| 27 int id) { | |
| 28 return make_scoped_ptr(new NinePatchLayerImpl(tree_impl, id)); | |
| 29 } | |
| 30 ~NinePatchLayerImpl() override; | |
| 31 | |
| 32 // The bitmap stretches out the bounds of the layer. The following picture | |
| 33 // illustrates the parameters associated with the dimensions. | |
| 34 // | |
| 35 // Layer space layout Bitmap space layout | |
| 36 // | |
| 37 // ------------------------ ~~~~~~~~~~ W ~~~~~~~~~~ | |
| 38 // | : | : : | | |
| 39 // | C | : Y | | |
| 40 // | : | : : | | |
| 41 // | ------------ | :~~X~~------------ | | |
| 42 // | | | | : | : | | |
| 43 // | | | | : | : | | |
| 44 // |~~A~~| |~~B~~| H | Q | | |
| 45 // | | | | : | : | | |
| 46 // | ------------ | : ~~~~~P~~~~~ | | |
| 47 // | : | : | | |
| 48 // | D | : | | |
| 49 // | : | : | | |
| 50 // ------------------------ ------------------------ | |
| 51 // | |
| 52 // |image_bounds| = (W, H) | |
| 53 // |image_aperture| = (X, Y, P, Q) | |
| 54 // |border| = (A, C, A + B, C + D) | |
| 55 // |fill_center| indicates whether to draw the center quad or not. | |
| 56 void SetLayout(const gfx::Rect& image_aperture, | |
| 57 const gfx::Rect& border, | |
| 58 bool fill_center); | |
| 59 | |
| 60 scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override; | |
| 61 void PushPropertiesTo(LayerImpl* layer) override; | |
| 62 | |
| 63 void AppendQuads(RenderPass* render_pass, | |
| 64 AppendQuadsData* append_quads_data) override; | |
| 65 | |
| 66 base::DictionaryValue* LayerTreeAsJson() const override; | |
| 67 | |
| 68 protected: | |
| 69 NinePatchLayerImpl(LayerTreeImpl* tree_impl, int id); | |
| 70 | |
| 71 private: | |
| 72 const char* LayerTypeAsString() const override; | |
| 73 | |
| 74 void CheckGeometryLimitations(); | |
| 75 | |
| 76 // The transparent center region that shows the parent layer's contents in | |
| 77 // image space. | |
| 78 gfx::Rect image_aperture_; | |
| 79 | |
| 80 // An inset border that the patches will be mapped to. | |
| 81 gfx::Rect border_; | |
| 82 | |
| 83 bool fill_center_; | |
| 84 | |
| 85 DISALLOW_COPY_AND_ASSIGN(NinePatchLayerImpl); | |
| 86 }; | |
| 87 | |
| 88 } // namespace cc | |
| 89 | |
| 90 #endif // CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_ | |
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Chromium Code Reviews
Issue 1057283003:
Remove parts of //cc we aren't using (Closed)
Base URL: git@github.com:domokit/mojo.git@master