| /* include/corecg/SkChunkAlloc.h |
| ** |
| ** Copyright 2006, Google Inc. |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| #ifndef SkChunkAlloc_DEFINED |
| #define SkChunkAlloc_DEFINED |
| |
| #include "SkTypes.h" |
| |
| class SkChunkAlloc { |
| public: |
| SkChunkAlloc(size_t minSize) : fBlock(nil), fMinSize(SkAlign4(minSize)) {} |
| ~SkChunkAlloc(); |
| |
| void reset(); |
| |
| enum AllocFailType { |
| kReturnNil_AllocFailType, |
| kThrow_AllocFailType |
| }; |
| void* alloc(size_t bytes, AllocFailType); |
| |
| private: |
| struct Block { |
| Block* fNext; |
| size_t fFreeSize; |
| char* fFreePtr; |
| // data[] follows |
| }; |
| Block* fBlock; |
| size_t fMinSize; |
| }; |
| |
| #endif |