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/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* This code came with the InterViews distribution, and was translated
from C++ to C by Matthieu Devin <devin@lucid.com> some time in 1992.
*/
#ifndef _SPLINE_H_
#define _SPLINE_H_
typedef struct _spline
{
/* input */
unsigned int n_controls;
double* control_x;
double* control_y;
/* output */
unsigned int n_points;
XPoint* points;
unsigned int allocated_points;
} spline;
spline* make_spline (unsigned int size);
void compute_spline (spline* s);
void compute_closed_spline (spline* s);
void just_fill_spline (spline* s);
void append_spline_points (spline* s1, spline* s2);
void spline_bounding_box (spline* s, XRectangle* rectangle_out);
void free_spline(spline *s);
#endif /* _SPLINE_H_ */
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