/* WARNING: This file was generated by dkct. 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 */ /* Copyright (C) 2012-2017, Dirk Krause Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above opyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the author nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @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