mirror of https://github.com/axmolengine/axmol.git
85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
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/* libs/graphics/sgl/SkTemplatesPriv.h
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef SkTemplatesPriv_DEFINED
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#define SkTemplatesPriv_DEFINED
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#include "SkTemplates.h"
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////////////////////////////////////////////////////////////////////////////////
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#ifdef SK_BUILD_FOR_WIN32
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#define SK_PLACEMENT_NEW(result, classname, storage, storageSize) \
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result = SkNEW(classname)
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#define SK_PLACEMENT_NEW_ARGS(result, classname, storage, storageSize, args) \
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result = SkNEW_ARGS(classname, args)
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#else
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#include <new>
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#define SK_PLACEMENT_NEW(result, classname, storage, storagesize) \
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do { \
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if (storagesize) \
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{ \
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SkASSERT(storageSize >= sizeof(classname)); \
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result = new(storage) classname; \
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} \
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else \
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result = SkNEW(classname); \
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} while (0)
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#define SK_PLACEMENT_NEW_ARGS(result, classname, storage, storagesize, args) \
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do { \
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if (storagesize) \
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{ \
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SkASSERT(storageSize >= sizeof(classname)); \
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result = new(storage) classname args; \
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} \
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else \
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result = SkNEW_ARGS(classname, args); \
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} while (0)
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#endif
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////////////////////////////////////////////////////////////////////////////////
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template <class T> class SkAutoTPlacementDelete {
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public:
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SkAutoTPlacementDelete(T* obj, void* storage) : fObj(obj), fStorage(storage)
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{
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}
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~SkAutoTPlacementDelete()
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{
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if (fObj)
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{
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if (fObj == fStorage)
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fObj->~T();
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else
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delete fObj;
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}
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}
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T* detach()
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{
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T* obj = fObj;
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fObj = NULL;
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return obj;
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}
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private:
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T* fObj;
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void* fStorage;
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};
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#endif
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