/********************************************************************************* cdt.h: a C interface to the CDT routines**** Copyright (C) 1995 by Dani Lischinski **** 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., 675 Mass Ave, Cambridge, MA 02139, USA.********************************************************************************/#ifndef CDT_H#define CDT_H#ifdef __cplusplusextern "C" {#endif/*  * create_mesh initializes a mesh given an array bdry_vertices, * assumed to contain 2*num_bdry_vertices coordinates of the * boundary vertices of a convex polygon. * It return a pointer to the mesh data structure, which should * be used as the first argument for the other routines. */void *create_mesh( int num_bdry_vertices, double *bdry_vertices );void insert_vertex( void *mesh, double x, double y );void insert_edge( void *mesh, double x1, double y1, double x2, double y2 );void apply_vertices(	void *mesh, void *apply_arg,	void (*func)( void *apply_arg, void *vertex ));					 void apply_edges(	void *mesh, void *apply_arg,	void (*func)( void *apply_arg, void *edge, int constrained ));					 void draw_mesh( void *mesh, int output_postscript );void destroy_mesh( void *mesh );#ifdef __cplusplus}#endif#endif /* CDT_H */