1 /*
2 * vim: ts=4 sw=4 et tw=0 wm=0
3 *
4 * libavoid - Fast, Incremental, Object-avoiding Line Router
5 * Copyright (C) 2004-2005 Michael Wybrow <mjwybrow@users.sourceforge.net>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
23 #ifndef AVOID_VISIBILITY_H
24 #define AVOID_VISIBILITY_H
26 #include "libavoid/vertices.h"
29 //#define LINEDEBUG
31 #ifdef LINEDEBUG
32 #include <SDL.h>
33 #endif
36 namespace Avoid {
38 extern bool PartialTime;
39 #ifdef LINEDEBUG
40 extern SDL_Surface *avoid_screen;
41 #endif
44 extern void vertexVisibility(VertInf *point, VertInf *partner, bool knownNew,
45 const bool gen_contains = false);
46 extern void vertexSweep(VertInf *point);
47 extern void computeCompleteVis(void);
48 extern void shapeVis(ShapeRef *shape);
49 extern void shapeVisSweep(ShapeRef *shape);
52 }
55 #endif