Torne (Richard Coles) | a36e592 | 2013-08-05 13:57:33 +0100 | [diff] [blame] | 1 | // Copyright 2013 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_UI_RESOURCE_BITMAP_H_ |
| 6 | #define CC_RESOURCES_UI_RESOURCE_BITMAP_H_ |
| 7 | |
| 8 | #include "base/memory/ref_counted.h" |
| 9 | #include "base/memory/scoped_ptr.h" |
| 10 | #include "cc/base/cc_export.h" |
| 11 | #include "third_party/skia/include/core/SkTypes.h" |
| 12 | #include "ui/gfx/size.h" |
| 13 | |
| 14 | namespace cc { |
| 15 | |
| 16 | // Ref-counted bitmap class (can’t use SkBitmap because of ETC1). Thread-safety |
| 17 | // ensures that both main and impl threads can hold references to the bitmap and |
| 18 | // that asynchronous uploads are allowed. |
| 19 | class CC_EXPORT UIResourceBitmap |
| 20 | : public base::RefCountedThreadSafe<UIResourceBitmap> { |
| 21 | public: |
| 22 | enum UIResourceFormat { |
| 23 | RGBA8 |
| 24 | }; |
| 25 | |
| 26 | // Takes ownership of “pixels”. |
| 27 | static scoped_refptr<UIResourceBitmap> Create(uint8_t* pixels, |
| 28 | UIResourceFormat format, |
| 29 | gfx::Size size); |
| 30 | |
| 31 | gfx::Size GetSize() const { return size_; } |
| 32 | UIResourceFormat GetFormat() const { return format_; } |
| 33 | uint8_t* GetPixels() { return pixels_.get(); } |
| 34 | |
| 35 | private: |
| 36 | friend class base::RefCountedThreadSafe<UIResourceBitmap>; |
| 37 | |
| 38 | UIResourceBitmap(); |
| 39 | ~UIResourceBitmap(); |
| 40 | |
| 41 | scoped_ptr<uint8_t[]> pixels_; |
| 42 | UIResourceFormat format_; |
| 43 | gfx::Size size_; |
| 44 | |
| 45 | DISALLOW_COPY_AND_ASSIGN(UIResourceBitmap); |
| 46 | }; |
| 47 | |
| 48 | } // namespace cc |
| 49 | |
| 50 | #endif // CC_RESOURCES_UI_RESOURCE_BITMAP_H_ |