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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_RESOURCES_RESOURCE_H_ | |
| 6 #define CC_RESOURCES_RESOURCE_H_ | |
| 7 | |
| 8 #include "cc/resources/resource_provider.h" | |
| 9 #include "ui/gfx/geometry/size.h" | |
| 10 | |
| 11 namespace cc { | |
| 12 | |
| 13 class Resource { | |
| 14 public: | |
| 15 Resource() : id_(0) {} | |
| 16 Resource(unsigned id, const gfx::Size& size, ResourceFormat format) | |
| 17 : id_(id), | |
| 18 size_(size), | |
| 19 format_(format) {} | |
| 20 | |
| 21 ResourceProvider::ResourceId id() const { return id_; } | |
| 22 gfx::Size size() const { return size_; } | |
| 23 ResourceFormat format() const { return format_; } | |
| 24 size_t bytes() const; | |
| 25 | |
| 26 inline static size_t MemorySizeBytes(const gfx::Size& size, | |
| 27 ResourceFormat format) { | |
| 28 DCHECK_EQ(0u, (BitsPerPixel(format) * size.width() * size.height()) % 8); | |
| 29 return (BitsPerPixel(format) * size.width() * size.height()) / 8; | |
| 30 } | |
| 31 | |
| 32 protected: | |
| 33 void set_id(ResourceProvider::ResourceId id) { id_ = id; } | |
| 34 void set_dimensions(const gfx::Size& size, ResourceFormat format) { | |
| 35 size_ = size; | |
| 36 format_ = format; | |
| 37 } | |
| 38 | |
| 39 private: | |
| 40 ResourceProvider::ResourceId id_; | |
| 41 gfx::Size size_; | |
| 42 ResourceFormat format_; | |
| 43 | |
| 44 DISALLOW_COPY_AND_ASSIGN(Resource); | |
| 45 }; | |
| 46 | |
| 47 } // namespace cc | |
| 48 | |
| 49 #endif // CC_RESOURCES_RESOURCE_H_ | |
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