57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
// Copyright (c) 2016-2018 Easy2D - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "..\e2dobject.h"
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namespace easy2d
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{
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Ref::Ref()
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{
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// 当对象被创建时，意味着它已经被引用了一次
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ref_count_ = 1;
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}
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Ref::~Ref()
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{
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}
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LONG Ref::Retain()
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{
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return ::InterlockedIncrement(&ref_count_);
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}
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LONG Ref::Release()
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{
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LONG new_count = ::InterlockedDecrement(&ref_count_);
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if (new_count <= 0)
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{
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delete this;
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return 0;
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}
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return new_count;
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}
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LONG Ref::GetRefCount() const
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{
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return ref_count_;
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}
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} |