X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=pdf2swf%2Fspline.h;h=5c4d4eb5ee56344d8d039a3651440530b90cab62;hb=d9872c4e9c1c252d74d380d114eeb769c043e013;hp=f9549cc64ed61af701bdc9f0f402a1dc6f6cc456;hpb=fc554a43712b76d16b41ec77dd311b4a78b1ef6b;p=swftools.git

diff --git a/pdf2swf/spline.h b/pdf2swf/spline.h
index f9549cc..5c4d4eb 100644
--- a/pdf2swf/spline.h
+++ b/pdf2swf/spline.h
@@ -3,9 +3,21 @@
 
    Part of the swftools package.
 
-   Copyright (c) 2001 Matthias Kramm <kramm@quiss.org> 
+   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 file is distributed under the GPL, see file COPYING for details */
+   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__
@@ -30,7 +42,24 @@ struct cspline
     struct plotxy end;
 };
 
-int approximate(struct plotxy p0, struct plotxy p1,
-                struct plotxy p2, struct plotxy p3, struct qspline*q);
+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__