1 /*
2  * Copyright (c) 2020 - 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_SVG_LOADER_H_
27 #define _TVG_SVG_LOADER_H_
28 
29 #include "tvgTaskScheduler.h"
30 #include "tvgSvgLoaderCommon.h"
31 
32 class SvgLoader : public ImageLoader, public Task
33 {
34 public:
35     string filePath;
36     string svgPath = "";
37     char* content = nullptr;
38     uint32_t size = 0;
39 
40     SvgLoaderData loaderData;
41     Scene* root = nullptr;
42 
43     bool copy = false;
44 
45     SvgLoader();
46     ~SvgLoader();
47 
48     bool open(const string& path) override;
49     bool open(const char* data, uint32_t size, bool copy) override;
50     bool resize(Paint* paint, float w, float h) override;
51     bool read() override;
52     bool close() override;
53 
54     Paint* paint() override;
55 
56 private:
57     SvgViewFlag viewFlag = SvgViewFlag::None;
58     AspectRatioAlign align = AspectRatioAlign::XMidYMid;
59     AspectRatioMeetOrSlice meetOrSlice = AspectRatioMeetOrSlice::Meet;
60     float vx = 0;
61     float vy = 0;
62     float vw = 0;
63     float vh = 0;
64 
65     bool header();
66     void clear(bool all = true);
67     void run(unsigned tid) override;
68 };
69 
70 
71 #endif //_TVG_SVG_LOADER_H_
72 
73 #endif /* LV_USE_THORVG_INTERNAL */
74 
75