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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkData_DEFINED | 8 #ifndef SkData_DEFINED |
9 #define SkData_DEFINED | 9 #define SkData_DEFINED |
10 | 10 |
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161 ReleaseProc fReleaseProc; | 161 ReleaseProc fReleaseProc; |
162 void* fReleaseProcContext; | 162 void* fReleaseProcContext; |
163 | 163 |
164 void* fPtr; | 164 void* fPtr; |
165 size_t fSize; | 165 size_t fSize; |
166 | 166 |
167 SkData(const void* ptr, size_t size, ReleaseProc, void* context); | 167 SkData(const void* ptr, size_t size, ReleaseProc, void* context); |
168 SkData(size_t size); // inplace new/delete | 168 SkData(size_t size); // inplace new/delete |
169 virtual ~SkData(); | 169 virtual ~SkData(); |
170 | 170 |
171 virtual void internal_dispose() const SK_OVERRIDE; | 171 |
| 172 // Objects of this type are sometimes created in a custom fashion using sk_m
alloc_throw and |
| 173 // therefore must be sk_freed. We overload new to also call sk_malloc_throw
so that memory |
| 174 // can be unconditionally released using sk_free in an overloaded delete. Ov
erloading regular |
| 175 // new means we must also overload placement new. |
| 176 void* operator new(size_t size) { return sk_malloc_throw(size); } |
| 177 void* operator new(size_t, void* p) { return p; } |
| 178 void operator delete(void* p) { sk_free(p); } |
172 | 179 |
173 // Called the first time someone calls NewEmpty to initialize the singleton. | 180 // Called the first time someone calls NewEmpty to initialize the singleton. |
174 friend SkData* sk_new_empty_data(); | 181 friend SkData* sk_new_empty_data(); |
175 | 182 |
176 // shared internal factory | 183 // shared internal factory |
177 static SkData* PrivateNewWithCopy(const void* srcOrNull, size_t length); | 184 static SkData* PrivateNewWithCopy(const void* srcOrNull, size_t length); |
178 | 185 |
179 typedef SkRefCnt INHERITED; | 186 typedef SkRefCnt INHERITED; |
180 }; | 187 }; |
181 | 188 |
182 /** Typedef of SkAutoTUnref<SkData> for automatically unref-ing a SkData. */ | 189 /** Typedef of SkAutoTUnref<SkData> for automatically unref-ing a SkData. */ |
183 typedef SkAutoTUnref<SkData> SkAutoDataUnref; | 190 typedef SkAutoTUnref<SkData> SkAutoDataUnref; |
184 | 191 |
185 #endif | 192 #endif |
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