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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 |
| 11 #include "SkRefCnt.h" | 11 #include "SkRefCnt.h" |
| 12 | 12 |
| 13 struct SkFILE; | 13 struct SkFILE; |
| 14 class SkStream; | 14 class SkStream; |
| 15 | 15 |
| 16 /** | 16 /** |
| 17 * SkData holds an immutable data buffer. Not only is the data immutable, | 17 * SkData holds an immutable data buffer. Not only is the data immutable, |
| 18 * but the actual ptr that is returned (by data() or bytes()) is guaranteed | 18 * but the actual ptr that is returned (by data() or bytes()) is guaranteed |
| 19 * to always be the same for the life of this instance. | 19 * to always be the same for the life of this instance. |
| 20 */ | 20 */ |
| 21 class SK_API SkData : public SkRefCnt { | 21 class SK_API SkData : public SkRefCnt { |
| 22 public: | 22 public: |
| 23 SK_DECLARE_INST_COUNT(SkData) | |
| 24 | |
| 25 /** | 23 /** |
| 26 * Returns the number of bytes stored. | 24 * Returns the number of bytes stored. |
| 27 */ | 25 */ |
| 28 size_t size() const { return fSize; } | 26 size_t size() const { return fSize; } |
| 29 | 27 |
| 30 bool isEmpty() const { return 0 == fSize; } | 28 bool isEmpty() const { return 0 == fSize; } |
| 31 | 29 |
| 32 /** | 30 /** |
| 33 * Returns the ptr to the data. | 31 * Returns the ptr to the data. |
| 34 */ | 32 */ |
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| 184 | 182 |
| 185 static void DummyReleaseProc(const void*, void*) {} | 183 static void DummyReleaseProc(const void*, void*) {} |
| 186 | 184 |
| 187 typedef SkRefCnt INHERITED; | 185 typedef SkRefCnt INHERITED; |
| 188 }; | 186 }; |
| 189 | 187 |
| 190 /** Typedef of SkAutoTUnref<SkData> for automatically unref-ing a SkData. */ | 188 /** Typedef of SkAutoTUnref<SkData> for automatically unref-ing a SkData. */ |
| 191 typedef SkAutoTUnref<SkData> SkAutoDataUnref; | 189 typedef SkAutoTUnref<SkData> SkAutoDataUnref; |
| 192 | 190 |
| 193 #endif | 191 #endif |
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