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_COMMON_
27 #define _TVG_LOTTIE_COMMON_
28 
29 #include <cmath>
30 #include "tvgCommon.h"
31 #include "tvgArray.h"
32 
33 struct PathSet
34 {
35     Point* pts = nullptr;
36     PathCommand* cmds = nullptr;
37     uint16_t ptsCnt = 0;
38     uint16_t cmdsCnt = 0;
39 };
40 
41 
42 struct RGB24
43 {
44     int32_t rgb[3];
45 };
46 
47 
48 struct ColorStop
49 {
50     Fill::ColorStop* data = nullptr;
51     Array<float>* input = nullptr;
52 };
53 
54 
55 struct TextDocument
56 {
57     char* text = nullptr;
58     float height;
59     float shift;
60     RGB24 color;
61     struct {
62         Point pos;
63         Point size;
64     } bbox;
65     struct {
66         RGB24 color;
67         float width;
68         bool render = false;
69     } stroke;
70     char* name = nullptr;
71     float size;
72     float tracking = 0.0f;
73     uint8_t justify;
74 };
75 
76 
REMAP255(float val)77 static inline int32_t REMAP255(float val)
78 {
79     return (int32_t)nearbyintf(val * 255.0f);
80 }
81 
82 
83 static inline RGB24 operator-(const RGB24& lhs, const RGB24& rhs)
84 {
85     return {lhs.rgb[0] - rhs.rgb[0], lhs.rgb[1] - rhs.rgb[1], lhs.rgb[2] - rhs.rgb[2]};
86 }
87 
88 
89 static inline RGB24 operator+(const RGB24& lhs, const RGB24& rhs)
90 {
91     return {lhs.rgb[0] + rhs.rgb[0], lhs.rgb[1] + rhs.rgb[1], lhs.rgb[2] + rhs.rgb[2]};
92 }
93 
94 
95 static inline RGB24 operator*(const RGB24& lhs, float rhs)
96 {
97     return {(int32_t)nearbyintf(lhs.rgb[0] * rhs), (int32_t)nearbyintf(lhs.rgb[1] * rhs), (int32_t)nearbyintf(lhs.rgb[2] * rhs)};
98 }
99 
100 
101 #endif //_TVG_LOTTIE_COMMON_
102 
103 #endif /* LV_USE_THORVG_INTERNAL */
104 
105