609389af46
ThorVG is a platform-independent portable library for drawing vector-based scene and animation. Fixups to ThorVG integration Update 0.4.0 Update readme. Restore upsample. Missed on scsub. Modules are needed. Restore build. Do the math properly. Force ColorStops to be not const.
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2020-2021 Samsung Electronics Co., Ltd. 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
|
|
{
|
|
|
|
#define BEZIER_EPSILON 1e-4f
|
|
|
|
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);
|
|
void bezSplitAt(const Bezier& cur, float at, Bezier& left, Bezier& right);
|
|
|
|
}
|
|
|
|
#endif //_TVG_BEZIER_H_
|