| OLD | NEW |
| (Empty) |
| 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_SHARED_BITMAP_H_ | |
| 6 #define CC_RESOURCES_SHARED_BITMAP_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "gpu/command_buffer/common/mailbox.h" | |
| 10 #include "ui/gfx/geometry/size.h" | |
| 11 | |
| 12 namespace cc { | |
| 13 typedef gpu::Mailbox SharedBitmapId; | |
| 14 | |
| 15 class SharedBitmap { | |
| 16 public: | |
| 17 SharedBitmap(uint8* pixels, const SharedBitmapId& id); | |
| 18 | |
| 19 virtual ~SharedBitmap(); | |
| 20 | |
| 21 uint8* pixels() { return pixels_; } | |
| 22 | |
| 23 const SharedBitmapId& id() { return id_; } | |
| 24 | |
| 25 // Returns true if the size is valid and false otherwise. | |
| 26 static bool SizeInBytes(const gfx::Size& size, size_t* size_in_bytes); | |
| 27 // Dies with a CRASH() if the size can not be represented as a positive number | |
| 28 // of bytes. | |
| 29 static size_t CheckedSizeInBytes(const gfx::Size& size); | |
| 30 // Returns the size in bytes but may overflow or return 0. Only do this for | |
| 31 // sizes that have already been checked. | |
| 32 static size_t UncheckedSizeInBytes(const gfx::Size& size); | |
| 33 // Returns true if the size is valid and false otherwise. | |
| 34 static bool VerifySizeInBytes(const gfx::Size& size); | |
| 35 | |
| 36 static SharedBitmapId GenerateId(); | |
| 37 | |
| 38 private: | |
| 39 uint8* pixels_; | |
| 40 SharedBitmapId id_; | |
| 41 | |
| 42 DISALLOW_COPY_AND_ASSIGN(SharedBitmap); | |
| 43 }; | |
| 44 | |
| 45 } // namespace cc | |
| 46 | |
| 47 #endif // CC_RESOURCES_SHARED_BITMAP_H_ | |
| OLD | NEW |