1 /*
2  * Copyright (c) 2024 the ThorVG project. All rights reserved.
3 
4  * Permission is hereby granted, free of charge, to any person obtaining a copy
5  * of this software and associated documentation files (the "Software"), to deal
6  * in the Software without restriction, including without limitation the rights
7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8  * copies of the Software, and to permit persons to whom the Software is
9  * furnished to do so, subject to the following conditions:
10 
11  * The above copyright notice and this permission notice shall be included in all
12  * copies or substantial portions of the Software.
13 
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20  * SOFTWARE.
21  */
22 
23 #include "../../lv_conf_internal.h"
24 #if LV_USE_THORVG_INTERNAL
25 
26 #ifndef _TVG_LOTTIE_RENDER_POOLER_H_
27 #define _TVG_LOTTIE_RENDER_POOLER_H_
28 
29 #include "tvgCommon.h"
30 #include "tvgArray.h"
31 #include "tvgPaint.h"
32 
33 
34 template<typename T>
35 struct LottieRenderPooler
36 {
37     Array<T*> pooler;
38 
~LottieRenderPoolerLottieRenderPooler39     ~LottieRenderPooler()
40     {
41         for (auto p = pooler.begin(); p < pooler.end(); ++p) {
42             if (PP(*p)->unref() == 0) delete(*p);
43         }
44     }
45 
46     T* pooling(bool copy = false)
47     {
48         //return available one.
49         for (auto p = pooler.begin(); p < pooler.end(); ++p) {
50             if (PP(*p)->refCnt == 1) return *p;
51         }
52 
53         //no empty, generate a new one.
54         auto p = copy ? static_cast<T*>(pooler[0]->duplicate()) : T::gen().release();
55         PP(p)->ref();
56         pooler.push(p);
57         return p;
58     }
59 };
60 
61 #endif //_TVG_LOTTIE_RENDER_POOLER_H_
62 
63 #endif /* LV_USE_THORVG_INTERNAL */
64 
65