dust3d/thirdparty/cgal/CGAL-5.1/include/CGAL/Nef_3/SHalfloop.h

127 lines
3.9 KiB
C
Raw Normal View History

// Copyright (c) 1997-2002 Max-Planck-Institute Saarbruecken (Germany).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
2020-10-13 12:44:25 +00:00
// $URL: https://github.com/CGAL/cgal/blob/v5.1/Nef_3/include/CGAL/Nef_3/SHalfloop.h $
// $Id: SHalfloop.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Michael Seel <seel@mpi-sb.mpg.de>
// Miguel Granados <granados@mpi-sb.mpg.de>
// Susan Hert <hert@mpi-sb.mpg.de>
// Lutz Kettner <kettner@mpi-sb.mpg.de>
// Peter Hachenberger <hachenberger@mpi-sb.mpg.de>
#ifndef CGAL_NEF_SHALFLOOP_H
#define CGAL_NEF_SHALFLOOP_H
#include <CGAL/license/Nef_3.h>
#include <string>
#include <sstream>
#include <CGAL/IO/Verbose_ostream.h>
#include <CGAL/Nef_3/SNC_iteration.h>
#undef CGAL_NEF_DEBUG
#define CGAL_NEF_DEBUG 83
#include <CGAL/Nef_2/debug.h>
namespace CGAL {
2020-10-13 12:44:25 +00:00
template <typename Refs>
class SHalfloop_base {
typedef typename Refs::Mark Mark;
typedef typename Refs::Sphere_circle Sphere_circle;
typedef typename Refs::SHalfloop_handle SHalfloop_handle;
typedef typename Refs::SHalfloop_const_handle SHalfloop_const_handle;
typedef typename Refs::SFace_handle SFace_handle;
typedef typename Refs::SFace_const_handle SFace_const_handle;
typedef typename Refs::Halffacet_handle Halffacet_handle;
typedef typename Refs::Halffacet_const_handle Halffacet_const_handle;
SHalfloop_handle twin_;
SFace_handle incident_sface_;
Halffacet_handle facet_;
// temporary needed:
Mark mark_;
Sphere_circle circle_;
public:
2020-10-13 12:44:25 +00:00
SHalfloop_base() : twin_(), incident_sface_(), facet_(),
mark_(), circle_() {}
~SHalfloop_base() {
CGAL_NEF_TRACEN(" destroying SHalfloop_base item "<<&*this);
}
SHalfloop_base(const SHalfloop_base<Refs>& l)
{ twin_ = l.twin_;
2020-10-13 12:44:25 +00:00
incident_sface_ = l.incident_sface_;
facet_ = l.facet_;
mark_ = l.mark_;
circle_ = l.circle_;
}
SHalfloop_base<Refs>& operator=(const SHalfloop_base<Refs>& l)
{ twin_ = l.twin_;
2020-10-13 12:44:25 +00:00
incident_sface_ = l.incident_sface_;
facet_ = l.facet_;
mark_ = l.mark_;
circle_ = l.circle_;
return *this;
}
Mark& mark() { return mark_;}
const Mark& mark() const { return mark_; }
SHalfloop_handle& twin() { return twin_; }
SHalfloop_const_handle twin() const { return twin_; }
Sphere_circle& circle() { return circle_; }
const Sphere_circle& circle() const { return circle_; }
SFace_handle& incident_sface() { return incident_sface_; }
SFace_const_handle incident_sface() const { return incident_sface_; }
Halffacet_handle& facet() { return facet_; }
Halffacet_const_handle facet() const { return facet_; }
public:
std::string debug() const
2020-10-13 12:44:25 +00:00
{ std::stringstream os;
set_pretty_mode(os);
os<<"sl [ "<<circle_<<" ] ";
return os.str();
}
bool is_twin() const { return (&*twin_ < this); }
bool is_valid( bool verb = false, int level = 0) const {
2020-10-13 12:44:25 +00:00
Verbose_ostream verr(verb);
verr << "begin CGAL::SNC_items<...>::SHalfloop_base::is_valid( verb=true, "
2020-10-13 12:44:25 +00:00
"level = " << level << "):" << std::endl;
2020-10-13 12:44:25 +00:00
bool valid = (twin_ != SHalfloop_handle() && twin_ != nullptr);
valid = valid && (incident_sface_ != SFace_handle() &&
incident_sface_ != nullptr);
valid = valid && (facet_ != Halffacet_handle() &&
2020-10-13 12:44:25 +00:00
facet_ != nullptr);
valid = valid && (circle_.d() == 0);
valid = valid && (circle_.a() != 0 || circle_.b() != 0 || circle_.c() !=0);
2020-10-13 12:44:25 +00:00
verr << "end of CGAL::SNC_items<...>::SHalfloop_base::is_valid(): structure is "
2020-10-13 12:44:25 +00:00
<< ( valid ? "valid." : "NOT VALID.") << std::endl;
return valid;
}
}; // SHalfloop_base
} //namespace CGAL
#endif //CGAL_NEF_SHALFLOOP_H