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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_ | 5 #ifndef CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_ |
6 #define CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_ | 6 #define CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/memory/shared_memory.h" |
10 #include "content/common/content_export.h" | 11 #include "content/common/content_export.h" |
11 #include "ppapi/c/ppb_image_data.h" | 12 #include "ppapi/c/ppb_image_data.h" |
12 #include "ppapi/shared_impl/ppb_image_data_shared.h" | 13 #include "ppapi/shared_impl/ppb_image_data_shared.h" |
13 #include "ppapi/shared_impl/resource.h" | 14 #include "ppapi/shared_impl/resource.h" |
14 #include "ppapi/thunk/ppb_image_data_api.h" | 15 #include "ppapi/thunk/ppb_image_data_api.h" |
15 #include "third_party/skia/include/core/SkCanvas.h" | 16 #include "third_party/skia/include/core/SkCanvas.h" |
16 | 17 |
17 class SkBitmap; | 18 class SkBitmap; |
18 class SkCanvas; | 19 class SkCanvas; |
19 class TransportDIB; | 20 class TransportDIB; |
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38 virtual ~Backend() {}; | 39 virtual ~Backend() {}; |
39 virtual bool Init(PPB_ImageData_Impl* impl, | 40 virtual bool Init(PPB_ImageData_Impl* impl, |
40 PP_ImageDataFormat format, | 41 PP_ImageDataFormat format, |
41 int width, | 42 int width, |
42 int height, | 43 int height, |
43 bool init_to_zero) = 0; | 44 bool init_to_zero) = 0; |
44 virtual bool IsMapped() const = 0; | 45 virtual bool IsMapped() const = 0; |
45 virtual TransportDIB* GetTransportDIB() const = 0; | 46 virtual TransportDIB* GetTransportDIB() const = 0; |
46 virtual void* Map() = 0; | 47 virtual void* Map() = 0; |
47 virtual void Unmap() = 0; | 48 virtual void Unmap() = 0; |
48 virtual int32_t GetSharedMemory(int* handle, uint32_t* byte_count) = 0; | 49 virtual int32_t GetSharedMemory(base::SharedMemoryHandle* handle, |
| 50 uint32_t* byte_count) = 0; |
49 virtual SkCanvas* GetPlatformCanvas() = 0; | 51 virtual SkCanvas* GetPlatformCanvas() = 0; |
50 virtual SkCanvas* GetCanvas() = 0; | 52 virtual SkCanvas* GetCanvas() = 0; |
51 virtual const SkBitmap* GetMappedBitmap() const = 0; | 53 virtual const SkBitmap* GetMappedBitmap() const = 0; |
52 }; | 54 }; |
53 | 55 |
54 // If you call this constructor, you must also call Init before use. Normally | 56 // If you call this constructor, you must also call Init before use. Normally |
55 // you should use the static Create function, but this constructor is needed | 57 // you should use the static Create function, but this constructor is needed |
56 // for some internal uses of ImageData (like Graphics2D). | 58 // for some internal uses of ImageData (like Graphics2D). |
57 PPB_ImageData_Impl(PP_Instance instance, | 59 PPB_ImageData_Impl(PP_Instance instance, |
58 PPB_ImageData_Shared::ImageDataType type); | 60 PPB_ImageData_Shared::ImageDataType type); |
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83 bool IsMapped() const; | 85 bool IsMapped() const; |
84 TransportDIB* GetTransportDIB() const; | 86 TransportDIB* GetTransportDIB() const; |
85 | 87 |
86 // Resource override. | 88 // Resource override. |
87 ppapi::thunk::PPB_ImageData_API* AsPPB_ImageData_API() override; | 89 ppapi::thunk::PPB_ImageData_API* AsPPB_ImageData_API() override; |
88 | 90 |
89 // PPB_ImageData_API implementation. | 91 // PPB_ImageData_API implementation. |
90 PP_Bool Describe(PP_ImageDataDesc* desc) override; | 92 PP_Bool Describe(PP_ImageDataDesc* desc) override; |
91 void* Map() override; | 93 void* Map() override; |
92 void Unmap() override; | 94 void Unmap() override; |
93 int32_t GetSharedMemory(int* handle, uint32_t* byte_count) override; | 95 int32_t GetSharedMemory(base::SharedMemoryHandle* handle, |
| 96 uint32_t* byte_count) override; |
94 SkCanvas* GetPlatformCanvas() override; | 97 SkCanvas* GetPlatformCanvas() override; |
95 SkCanvas* GetCanvas() override; | 98 SkCanvas* GetCanvas() override; |
96 void SetIsCandidateForReuse() override; | 99 void SetIsCandidateForReuse() override; |
97 | 100 |
98 const SkBitmap* GetMappedBitmap() const; | 101 const SkBitmap* GetMappedBitmap() const; |
99 | 102 |
100 private: | 103 private: |
101 ~PPB_ImageData_Impl() override; | 104 ~PPB_ImageData_Impl() override; |
102 | 105 |
103 PP_ImageDataFormat format_; | 106 PP_ImageDataFormat format_; |
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118 // PPB_ImageData_Impl::Backend implementation. | 121 // PPB_ImageData_Impl::Backend implementation. |
119 bool Init(PPB_ImageData_Impl* impl, | 122 bool Init(PPB_ImageData_Impl* impl, |
120 PP_ImageDataFormat format, | 123 PP_ImageDataFormat format, |
121 int width, | 124 int width, |
122 int height, | 125 int height, |
123 bool init_to_zero) override; | 126 bool init_to_zero) override; |
124 bool IsMapped() const override; | 127 bool IsMapped() const override; |
125 TransportDIB* GetTransportDIB() const override; | 128 TransportDIB* GetTransportDIB() const override; |
126 void* Map() override; | 129 void* Map() override; |
127 void Unmap() override; | 130 void Unmap() override; |
128 int32_t GetSharedMemory(int* handle, uint32_t* byte_count) override; | 131 int32_t GetSharedMemory(base::SharedMemoryHandle* handle, |
| 132 uint32_t* byte_count) override; |
129 SkCanvas* GetPlatformCanvas() override; | 133 SkCanvas* GetPlatformCanvas() override; |
130 SkCanvas* GetCanvas() override; | 134 SkCanvas* GetCanvas() override; |
131 const SkBitmap* GetMappedBitmap() const override; | 135 const SkBitmap* GetMappedBitmap() const override; |
132 | 136 |
133 private: | 137 private: |
134 // This will be NULL before initialization, and if this PPB_ImageData_Impl is | 138 // This will be NULL before initialization, and if this PPB_ImageData_Impl is |
135 // swapped with another. | 139 // swapped with another. |
136 int width_; | 140 int width_; |
137 int height_; | 141 int height_; |
138 scoped_ptr<TransportDIB> dib_; | 142 scoped_ptr<TransportDIB> dib_; |
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151 // PPB_ImageData_Impl::Backend implementation. | 155 // PPB_ImageData_Impl::Backend implementation. |
152 bool Init(PPB_ImageData_Impl* impl, | 156 bool Init(PPB_ImageData_Impl* impl, |
153 PP_ImageDataFormat format, | 157 PP_ImageDataFormat format, |
154 int width, | 158 int width, |
155 int height, | 159 int height, |
156 bool init_to_zero) override; | 160 bool init_to_zero) override; |
157 bool IsMapped() const override; | 161 bool IsMapped() const override; |
158 TransportDIB* GetTransportDIB() const override; | 162 TransportDIB* GetTransportDIB() const override; |
159 void* Map() override; | 163 void* Map() override; |
160 void Unmap() override; | 164 void Unmap() override; |
161 int32_t GetSharedMemory(int* handle, uint32_t* byte_count) override; | 165 int32_t GetSharedMemory(base::SharedMemoryHandle* handle, |
| 166 uint32_t* byte_count) override; |
162 SkCanvas* GetPlatformCanvas() override; | 167 SkCanvas* GetPlatformCanvas() override; |
163 SkCanvas* GetCanvas() override; | 168 SkCanvas* GetCanvas() override; |
164 const SkBitmap* GetMappedBitmap() const override; | 169 const SkBitmap* GetMappedBitmap() const override; |
165 | 170 |
166 private: | 171 private: |
167 scoped_ptr<base::SharedMemory> shared_memory_; | 172 scoped_ptr<base::SharedMemory> shared_memory_; |
168 // skia_bitmap_ is backed by shared_memory_. | 173 // skia_bitmap_ is backed by shared_memory_. |
169 SkBitmap skia_bitmap_; | 174 SkBitmap skia_bitmap_; |
170 scoped_ptr<SkCanvas> skia_canvas_; | 175 scoped_ptr<SkCanvas> skia_canvas_; |
171 uint32 map_count_; | 176 uint32 map_count_; |
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208 PPB_ImageData_Impl* image_data_; | 213 PPB_ImageData_Impl* image_data_; |
209 bool is_valid_; | 214 bool is_valid_; |
210 bool needs_unmap_; | 215 bool needs_unmap_; |
211 | 216 |
212 DISALLOW_COPY_AND_ASSIGN(ImageDataAutoMapper); | 217 DISALLOW_COPY_AND_ASSIGN(ImageDataAutoMapper); |
213 }; | 218 }; |
214 | 219 |
215 } // namespace content | 220 } // namespace content |
216 | 221 |
217 #endif // CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_ | 222 #endif // CONTENT_RENDERER_PEPPER_PPB_IMAGE_DATA_IMPL_H_ |
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