thorvg/src/common/tvgBezier.h
Hermet Park 24711e485c infra: renames the source folders
lib -> renderer
bin -> tools
utils -> common
2023-08-28 13:11:24 +09:00

49 lines
1.7 KiB
C++

/*
* Copyright (c) 2020 - 2023 the ThorVG project. All rights reserved.
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _TVG_BEZIER_H_
#define _TVG_BEZIER_H_
#include "tvgCommon.h"
namespace tvg
{
struct Bezier
{
Point start;
Point ctrl1;
Point ctrl2;
Point end;
};
void bezSplit(const Bezier&cur, Bezier& left, Bezier& right);
float bezLength(const Bezier& cur);
void bezSplitLeft(Bezier& cur, float at, Bezier& left);
float bezAt(const Bezier& bz, float at, float length);
void bezSplitAt(const Bezier& cur, float at, Bezier& left, Bezier& right);
Point bezPointAt(const Bezier& bz, float t);
float bezAngleAt(const Bezier& bz, float t);
}
#endif //_TVG_BEZIER_H_