1 /*
2  * Copyright (c) 2023 - 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_FRAME_MODULE_H_
27 #define _TVG_FRAME_MODULE_H_
28 
29 #include "tvgLoadModule.h"
30 
31 namespace tvg
32 {
33 
34 class FrameModule: public ImageLoader
35 {
36 public:
37     float segmentBegin = 0.0f;
38     float segmentEnd = 1.0f;
39 
FrameModule(FileType type)40     FrameModule(FileType type) : ImageLoader(type) {}
~FrameModule()41     virtual ~FrameModule() {}
42 
43     virtual bool frame(float no) = 0;       //set the current frame number
44     virtual float totalFrame() = 0;         //return the total frame count
45     virtual float curFrame() = 0;           //return the current frame number
46     virtual float duration() = 0;           //return the animation duration in seconds
47 
segment(float * begin,float * end)48     void segment(float* begin, float* end)
49     {
50         if (begin) *begin = segmentBegin;
51         if (end) *end = segmentEnd;
52     }
53 
segment(float begin,float end)54     void segment(float begin, float end)
55     {
56         segmentBegin = begin;
57         segmentEnd = end;
58     }
59 
animatable()60     virtual bool animatable() override { return true; }
61 };
62 
63 }
64 
65 #endif //_TVG_FRAME_MODULE_H_
66 
67 #endif /* LV_USE_THORVG_INTERNAL */
68 
69