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| 1 // Copyright 2014 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 EXAMPLES_BITMAP_UPLOADER_BITMAP_UPLOADER_H_ | |
| 6 #define EXAMPLES_BITMAP_UPLOADER_BITMAP_UPLOADER_H_ | |
| 7 | |
| 8 #include <MGL/mgl_types.h> | |
| 9 | |
| 10 #include "base/callback.h" | |
| 11 #include "base/containers/hash_tables.h" | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 #include "mojo/public/cpp/bindings/binding.h" | |
| 14 #include "mojo/services/geometry/interfaces/geometry.mojom.h" | |
| 15 #include "mojo/services/gpu/interfaces/gpu.mojom.h" | |
| 16 #include "mojo/services/surfaces/interfaces/surface_id.mojom.h" | |
| 17 #include "mojo/services/surfaces/interfaces/surfaces.mojom.h" | |
| 18 | |
| 19 namespace mojo { | |
| 20 class Shell; | |
| 21 class View; | |
| 22 | |
| 23 // BitmapUploader is useful if you want to draw a bitmap or color in a View. | |
| 24 class BitmapUploader : public ResourceReturner { | |
| 25 public: | |
| 26 explicit BitmapUploader(View* view); | |
| 27 ~BitmapUploader() override; | |
| 28 | |
| 29 void Init(Shell* shell); | |
| 30 | |
| 31 // Sets the color which is RGBA. | |
| 32 void SetColor(uint32_t color); | |
| 33 | |
| 34 enum Format { | |
| 35 RGBA, // Pixel layout on Android. | |
| 36 BGRA, // Pixel layout everywhere else. | |
| 37 }; | |
| 38 | |
| 39 // Sets a bitmap. | |
| 40 void SetBitmap(int width, | |
| 41 int height, | |
| 42 scoped_ptr<std::vector<unsigned char>> data, | |
| 43 Format format); | |
| 44 | |
| 45 private: | |
| 46 void Upload(); | |
| 47 uint32_t BindTextureForSize(const Size size); | |
| 48 uint32_t TextureFormat(); | |
| 49 | |
| 50 void SetIdNamespace(uint32_t id_namespace); | |
| 51 | |
| 52 // ResourceReturner implementation. | |
| 53 void ReturnResources(Array<ReturnedResourcePtr> resources) override; | |
| 54 | |
| 55 View* view_; | |
| 56 GpuPtr gpu_service_; | |
| 57 MGLContext mgl_context_; | |
| 58 | |
| 59 Size size_; | |
| 60 uint32_t color_; | |
| 61 int width_; | |
| 62 int height_; | |
| 63 Format format_; | |
| 64 scoped_ptr<std::vector<unsigned char>> bitmap_; | |
| 65 SurfacePtr surface_; | |
| 66 Size surface_size_; | |
| 67 uint32_t next_resource_id_; | |
| 68 uint32_t id_namespace_; | |
| 69 uint32_t local_id_; | |
| 70 base::hash_map<uint32_t, uint32_t> resource_to_texture_id_map_; | |
| 71 mojo::Binding<mojo::ResourceReturner> returner_binding_; | |
| 72 | |
| 73 DISALLOW_COPY_AND_ASSIGN(BitmapUploader); | |
| 74 }; | |
| 75 | |
| 76 } // namespace mojo | |
| 77 | |
| 78 #endif // EXAMPLES_BITMAP_UPLOADER_BITMAP_UPLOADER_H_ | |
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