1/*
2 * Copyright (c) 2020 - 2023 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#ifndef _TVG_BEZIER_H_
24#define _TVG_BEZIER_H_
25
26#include "tvgCommon.h"
27
28namespace tvg
29{
30
31struct Bezier
32{
33 Point start;
34 Point ctrl1;
35 Point ctrl2;
36 Point end;
37};
38
39void bezSplit(const Bezier&cur, Bezier& left, Bezier& right);
40float bezLength(const Bezier& cur);
41void bezSplitLeft(Bezier& cur, float at, Bezier& left);
42float bezAt(const Bezier& bz, float at, float length);
43void bezSplitAt(const Bezier& cur, float at, Bezier& left, Bezier& right);
44Point bezPointAt(const Bezier& bz, float t);
45float bezAngleAt(const Bezier& bz, float t);
46
47}
48
49#endif //_TVG_BEZIER_H_
50