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Side by Side Diff: include/core/SkRefCnt.h

Issue 1753973002: sk_make_sp<T>() (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 9 months ago
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1 /* 1 /*
2 * Copyright 2006 The Android Open Source Project 2 * Copyright 2006 The Android Open Source Project
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 SkRefCnt_DEFINED 8 #ifndef SkRefCnt_DEFINED
9 #define SkRefCnt_DEFINED 9 #define SkRefCnt_DEFINED
10 10
11 #include "../private/SkAtomics.h" 11 #include "../private/SkAtomics.h"
12 #include "../private/SkUniquePtr.h" 12 #include "../private/SkUniquePtr.h"
13 #include "SkTypes.h" 13 #include "SkTypes.h"
14 #include <utility>
14 15
15 /** \class SkRefCntBase 16 /** \class SkRefCntBase
16 17
17 SkRefCntBase is the base class for objects that may be shared by multiple 18 SkRefCntBase is the base class for objects that may be shared by multiple
18 objects. When an existing owner wants to share a reference, it calls ref(). 19 objects. When an existing owner wants to share a reference, it calls ref().
19 When an owner wants to release its reference, it calls unref(). When the 20 When an owner wants to release its reference, it calls unref(). When the
20 shared object's reference count goes to zero as the result of an unref() 21 shared object's reference count goes to zero as the result of an unref()
21 call, its (virtual) destructor is called. It is an error for the 22 call, its (virtual) destructor is called. It is an error for the
22 destructor to be called explicitly (or via the object going out of scope on 23 destructor to be called explicitly (or via the object going out of scope on
23 the stack or calling delete) if getRefCnt() > 1. 24 the stack or calling delete) if getRefCnt() > 1.
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319 T* SK_WARN_UNUSED_RESULT release() { 320 T* SK_WARN_UNUSED_RESULT release() {
320 T* ptr = fPtr; 321 T* ptr = fPtr;
321 fPtr = nullptr; 322 fPtr = nullptr;
322 return ptr; 323 return ptr;
323 } 324 }
324 325
325 private: 326 private:
326 T* fPtr; 327 T* fPtr;
327 }; 328 };
328 329
330 template <typename T, typename... Args>
331 sk_sp<T> sk_make_sp(Args&&... args) {
332 return sk_sp<T>(new T(std::forward<Args>(args)...));
333 }
334
329 #endif 335 #endif
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