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/*
Copyright (C) 2012-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/
/*
WARNING: This file was generated by the dkct program (see
http://dktools.sourceforge.net/ for details).
Changes you make here will be lost if dkct is run again!
You should modify the original source and run dkct on it.
Original source: dk3bezcu.ctr
*/
/** @file dk3bezcu.h Header file for the dk3bezcu module.
*/
#ifndef DK3BEZCU_H_INCLUDED
/** Avoid multiple inclusions. */
#define DK3BEZCU_H_INCLUDED 1
#line 9 "dk3bezcu.ctr"
#ifdef __cplusplus
extern "C" {
#endif
/** Bezier curve value calculation.
@param x0 Start point value.
@param xp Value in control point near start.
@param xm Value in control point near end.
@param x1 End point.
@param t The t parameter.
@param ec Pointer to error code variable, may be NULL.
@return Calculation result.
*/
double
dk3bezier_value(
double x0, double xp, double xm, double x1, double t, int *ec
);
/** Add Bezier curve segment to bounding box.
@param bb Bounding box to modify.
@param x0 Start point x coordinate.
@param y0 Start point y coordinate.
@param xp Control point near start x coordinate.
@param yp Control point near start y coordinate.
@param xm Control point near end x coordinate.
@param ym Control point near end y coordinate.
@param x1 End point x coordinate.
@param y1 End point y coordinate.
@param ra Half line width.
@param ec Pointer to error code variable, may be NULL.
@return 1 on success, 0 on error.
*/
int
dk3bezier_bb(
dk3_bb_t *bb,
double x0,
double y0,
double xp,
double yp,
double xm,
double ym,
double x1,
double y1,
double ra,
int *ec
);
#ifdef __cplusplus
}
#endif
#endif
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