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visibility.h

/*
 * vim: ts=4 sw=4 et tw=0 wm=0
 *
 * libavoid - Fast, Incremental, Object-avoiding Line Router
 *
 * Copyright (C) 2004-2008  Monash University
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * See the file LICENSE.LGPL distributed with the library.
 *
 * Licensees holding a valid commercial license may use this file in
 * accordance with the commercial license agreement provided with the 
 * library.
 *
 * This library 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.  
 *
 * Author(s):   Michael Wybrow <mjwybrow@users.sourceforge.net>
*/


#ifndef AVOID_VISIBILITY_H
#define AVOID_VISIBILITY_H

#include "libavoid/vertices.h"


namespace Avoid {

class ShapeRef;
class VertInf;

extern void vertexVisibility(VertInf *point, VertInf *partner, bool knownNew,
            const bool gen_contains = false);
extern void vertexSweep(VertInf *point);
extern void computeCompleteVis(void);
extern void shapeVis(ShapeRef *shape);
extern void shapeVisSweep(ShapeRef *shape);


}


#endif



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