| OLD | NEW |
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| 1 /* | 1 /* |
| 2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 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 GrTemplates_DEFINED | 8 #ifndef GrTemplates_DEFINED |
| 9 #define GrTemplates_DEFINED | 9 #define GrTemplates_DEFINED |
| 10 | 10 |
| (...skipping 23 matching lines...) Expand all Loading... |
| 34 * } | 34 * } |
| 35 * ... | 35 * ... |
| 36 * } // fCount is restored | 36 * } // fCount is restored |
| 37 */ | 37 */ |
| 38 template <typename T> class GrAutoTRestore : SkNoncopyable { | 38 template <typename T> class GrAutoTRestore : SkNoncopyable { |
| 39 public: | 39 public: |
| 40 GrAutoTRestore() : fPtr(NULL), fVal() {} | 40 GrAutoTRestore() : fPtr(NULL), fVal() {} |
| 41 | 41 |
| 42 GrAutoTRestore(T* ptr) { | 42 GrAutoTRestore(T* ptr) { |
| 43 fPtr = ptr; | 43 fPtr = ptr; |
| 44 if (NULL != ptr) { | 44 if (ptr) { |
| 45 fVal = *ptr; | 45 fVal = *ptr; |
| 46 } | 46 } |
| 47 } | 47 } |
| 48 | 48 |
| 49 ~GrAutoTRestore() { | 49 ~GrAutoTRestore() { |
| 50 if (NULL != fPtr) { | 50 if (fPtr) { |
| 51 *fPtr = fVal; | 51 *fPtr = fVal; |
| 52 } | 52 } |
| 53 } | 53 } |
| 54 | 54 |
| 55 // restores previously saved value (if any) and saves value for passed T* | 55 // restores previously saved value (if any) and saves value for passed T* |
| 56 void reset(T* ptr) { | 56 void reset(T* ptr) { |
| 57 if (NULL != fPtr) { | 57 if (fPtr) { |
| 58 *fPtr = fVal; | 58 *fPtr = fVal; |
| 59 } | 59 } |
| 60 fPtr = ptr; | 60 fPtr = ptr; |
| 61 fVal = *ptr; | 61 fVal = *ptr; |
| 62 } | 62 } |
| 63 private: | 63 private: |
| 64 T* fPtr; | 64 T* fPtr; |
| 65 T fVal; | 65 T fVal; |
| 66 }; | 66 }; |
| 67 | 67 |
| 68 #endif | 68 #endif |
| OLD | NEW |
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