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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 SkTLazy_DEFINED | 8 #ifndef SkTLazy_DEFINED |
9 #define SkTLazy_DEFINED | 9 #define SkTLazy_DEFINED |
10 | 10 |
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22 SkTLazy() : fPtr(NULL) {} | 22 SkTLazy() : fPtr(NULL) {} |
23 | 23 |
24 explicit SkTLazy(const T* src) : fPtr(NULL) { | 24 explicit SkTLazy(const T* src) : fPtr(NULL) { |
25 if (src) { | 25 if (src) { |
26 fPtr = new (fStorage.get()) T(*src); | 26 fPtr = new (fStorage.get()) T(*src); |
27 } | 27 } |
28 } | 28 } |
29 | 29 |
30 SkTLazy(const SkTLazy<T>& src) : fPtr(NULL) { | 30 SkTLazy(const SkTLazy<T>& src) : fPtr(NULL) { |
31 if (src.isValid()) { | 31 if (src.isValid()) { |
32 fPtr = new (fStorage.get()) T(*src->get()); | 32 fPtr = new (fStorage.get()) T(*src.get()); |
33 } else { | 33 } else { |
34 fPtr = NULL; | 34 fPtr = NULL; |
35 } | 35 } |
36 } | 36 } |
37 | 37 |
38 ~SkTLazy() { | 38 ~SkTLazy() { |
39 if (this->isValid()) { | 39 if (this->isValid()) { |
40 fPtr->~T(); | 40 fPtr->~T(); |
41 } | 41 } |
42 } | 42 } |
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164 operator const T*() const { return fObj; } | 164 operator const T*() const { return fObj; } |
165 | 165 |
166 const T& operator *() const { return *fObj; } | 166 const T& operator *() const { return *fObj; } |
167 | 167 |
168 private: | 168 private: |
169 const T* fObj; | 169 const T* fObj; |
170 SkTLazy<T> fLazy; | 170 SkTLazy<T> fLazy; |
171 }; | 171 }; |
172 | 172 |
173 #endif | 173 #endif |
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