dust3d/thirdparty/cgal/CGAL-5.1/include/CGAL/Point_with_surface_index.h

91 lines
2.0 KiB
C++

// Copyright (c) 2005-2006 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v5.1/Surface_mesher/include/CGAL/Point_with_surface_index.h $
// $Id: Point_with_surface_index.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Laurent RINEAU
#ifndef CGAL_POINT_WITH_SURFACE_INDEX_H
#define CGAL_POINT_WITH_SURFACE_INDEX_H
#include <CGAL/license/Surface_mesher.h>
#include <CGAL/Point_traits.h>
#include <string>
namespace CGAL {
template <class Point>
class Point_with_surface_index : public Point
{
typedef CGAL::Point_traits<Point> Point_traits;
typedef typename Point_traits::Bare_point Bare_point;
typedef typename Kernel_traits<Bare_point>::Kernel Kernel;
typedef typename Kernel::FT FT;
public:
Point_with_surface_index() : Point(), index(0) {}
Point_with_surface_index(const Point& p) : Point(p), index(0) {}
Point_with_surface_index(const FT& x, const FT& y, const FT& z, const FT& w = FT(1))
: Point(Point_traits().point(Bare_point(x, y, z, w))), index(0) {}
int surface_index() const
{
return index;
}
void set_surface_index(const int i)
{
index = i;
}
#ifdef CGAL_MESH_3_IO_H
static
std::string io_signature()
{
return Get_io_signature<Point>()() + "+i";
}
#endif
private:
int index;
}; // end class Point_with_surface_index
template <class Point>
std::ostream&
operator<<(std::ostream &os, const Point_with_surface_index<Point>& p)
{
os << static_cast<const Point&>(p);
if(is_ascii(os))
os << ' ' << p.surface_index();
else
write(os, p.surface_index());
return os;
}
template <class Point>
std::istream&
operator>>(std::istream &is, Point_with_surface_index<Point>& p)
{
is >> static_cast<Point&>(p);
int index;
if(is_ascii(is))
is >> index;
else
read(is, index);
p.set_surface_index(index);
return is;
}
} // end namespace CGAL
#endif