thorvg/src/loaders/lottie/tvgLottieRenderPooler.h
2024-07-22 12:28:17 +09:00

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/*
* Copyright (c) 2024 the ThorVG project. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _TVG_LOTTIE_RENDER_POOLER_H_
#define _TVG_LOTTIE_RENDER_POOLER_H_
#include "tvgCommon.h"
#include "tvgArray.h"
#include "tvgPaint.h"
template<typename T>
struct LottieRenderPooler
{
Array<T*> pooler;
~LottieRenderPooler()
{
for (auto p = pooler.begin(); p < pooler.end(); ++p) {
if (PP(*p)->unref() == 0) delete(*p);
}
}
T* pooling(bool copy = false)
{
//return available one.
for (auto p = pooler.begin(); p < pooler.end(); ++p) {
if (PP(*p)->refCnt == 1) return *p;
}
//no empty, generate a new one.
auto p = copy ? static_cast<T*>(pooler[0]->duplicate()) : T::gen().release();
PP(p)->ref();
pooler.push(p);
return p;
}
};
#endif //_TVG_LOTTIE_RENDER_POOLER_H_