cgal/Map_overlay_2/include/CGAL/Bops/Holes_split_notifier.h

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2.0 KiB
C++

// Copyright (c) 1997 Tel-Aviv University (Israel).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Eti Ezra <estere@post.tau.ac.il>
#ifndef CGAL_HOLES_SPLIT_NOTIFIER_H
#define CGAL_HOLES_SPLIT_NOTIFIER_H
CGAL_BEGIN_NAMESPACE
template <class Planar_map_>
class Holes_split_notifier : public Planar_map_::Change_notification
{
public:
typedef Planar_map_ Planar_map;
typedef typename Planar_map::Halfedge_handle Halfedge_handle;
typedef typename Planar_map::Halfedge_const_handle Halfedge_const_handle;
typedef typename Planar_map::Traits Traits;
typedef typename Traits::Point Point;
typedef typename Traits::X_curve X_curve;
Holes_split_notifier() : decomposing_(false) {}
virtual ~Holes_split_notifier() {}
// We assume the curves comes from the original triangles are
// oriented counter clockwise.
void add_edge(const X_curve& cv,
Halfedge_handle e,
bool left_to_right,
bool overlap = false)
{
if (decomposing_){
e->set_decomposing(true);
e->twin()->set_decomposing(true);
}
}
//---------------------------------------- new functions
void set_decomposing_edge(bool decomposing)
{
decomposing_ = decomposing;
}
bool is_decomposing_edge() const {
return decomposing_;
}
private:
bool decomposing_;
};
CGAL_END_NAMESPACE
#endif