+++ /dev/null
-/* spline.h
- Header file for spline.cc
-
- Part of the swftools package.
-
- Copyright (c) 2001,2002,2003 Matthias Kramm <kramm@quiss.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-
-#ifndef __spline_h__
-#define __spline_h__
-
-struct plotxy
-{
- double x,y;
-};
-
-struct qspline
-{
- struct plotxy start;
- struct plotxy control;
- struct plotxy end;
-};
-
-struct cspline
-{
- struct plotxy start;
- struct plotxy control1;
- struct plotxy control2;
- struct plotxy end;
-};
-
-typedef enum {APPROXIMATE_INFLECTION=0, APPROXIMATE_RECURSIVE_BINARY=1} approximate_method;
-
-int approximate(struct plotxy p0, struct plotxy p1, struct plotxy p2, struct plotxy p3, struct qspline*q);
-
-struct plotxy splinepos(struct plotxy p0, struct plotxy p1, struct plotxy p2, struct plotxy p3, double d);
-double plotxy_dist(struct plotxy a, struct plotxy b);
-
-plotxy cspline_getpoint(cspline*s, double t);
-plotxy cspline_getderivative(cspline*s, double t);
-plotxy cspline_getderivative2(cspline*s, double t);
-plotxy cspline_getderivative3(cspline*s, double t);
-void cspline_getequalspacedpoints(cspline*s, float**p, int*num, double dist);
-int cspline_approximate(struct cspline*s, struct qspline*q, double quality, approximate_method method);
-
-plotxy qspline_getpoint(qspline*s, double t);
-plotxy qspline_getderivative(qspline*s, double t);
-plotxy qspline_getderivative2(qspline*s, double t);
-double qspline_getlength(qspline*s);
-void qsplines_getequalspacedpoints(qspline**s, int num, float**p, int*pnum, double t);
-
-#endif// __spline_h__