cgal/Triangulation_3/include/CGAL/Regular_traits_adaptor.h

172 lines
6.0 KiB
C++

// Copyright (c) 1999-2004,2006-2009,2014-2015 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
// You can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// 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) : Monique Teillaud <Monique.Teillaud@sophia.inria.fr>
// Sylvain Pion <Sylvain.Pion@sophia.inria.fr>
// Andreas Fabri <Andreas.Fabri@sophia.inria.fr>
// Nico Kruithof <Nico.Kruithof@sophia.inria.fr>
// Manuel Caroli <Manuel.Caroli@sophia.inria.fr>
// Aymeric Pellé <Aymeric.Pelle@sophia.inria.fr>
#ifndef CGAL_REGULAR_TRAITS_ADAPTOR_H
#define CGAL_REGULAR_TRAITS_ADAPTOR_H
#include <CGAL/license/Triangulation_3.h>
#include <boost/mpl/if.hpp>
namespace CGAL {
template < class RTT, class ConstructPoint, class Functor_>
class Regular_traits_adaptor
{
const ConstructPoint& cp;
const Functor_& f;
typedef RTT RTraits;
typedef Functor_ Functor;
typedef typename RTraits::FT FT;
typedef typename RTraits::Tetrahedron_3 Tetrahedron_3;
typedef typename RTraits::Plane_3 Plane_3;
typedef typename RTraits::Sphere_3 Sphere_3;
typedef typename RTT::Point_3 Point_3;
typedef typename RTT::Weighted_point_3 Weighted_point_3;
template <class T>
struct Conv_wp_to_p
{
typedef typename boost::remove_reference<T>::type T_no_ref;
typedef typename boost::mpl::if_<
typename boost::is_const<T_no_ref>::type,
typename boost::mpl::if_<typename boost::is_reference<T>::type,
const Point_3&,
const Point_3>::type,
typename boost::mpl::if_<typename boost::is_reference<T>::type,
Point_3&,
Point_3>::type >::type type;
};
template <typename> struct result {};
template <typename F, typename A0> struct result<F(A0)> {
typedef typename Conv_wp_to_p<A0>::type A0p;
typedef typename cpp11::result_of<F(A0p)>::type type;
};
template <typename F, typename A0, typename A1> struct result<F(A0,A1)> {
typedef typename Conv_wp_to_p<A0>::type A0p;
typedef typename Conv_wp_to_p<A1>::type A1p;
typedef typename cpp11::result_of<F(A0p, A1p)>::type type;
};
template <typename F, typename A0, typename A1, typename A2> struct result<F(A0,A1,A2)> {
typedef typename Conv_wp_to_p<A0>::type A0p;
typedef typename Conv_wp_to_p<A1>::type A1p;
typedef typename Conv_wp_to_p<A2>::type A2p;
typedef typename cpp11::result_of<F(A0p, A1p, A2p)>::type type;
};
template <typename F, typename A0, typename A1, typename A2, typename A3>
struct result<F(A0,A1,A2,A3)> {
typedef typename Conv_wp_to_p<A0>::type A0p;
typedef typename Conv_wp_to_p<A1>::type A1p;
typedef typename Conv_wp_to_p<A2>::type A2p;
typedef typename Conv_wp_to_p<A3>::type A3p;
typedef typename cpp11::result_of<F(A0p, A1p, A2p, A3p)>::type type;
};
public:
Regular_traits_adaptor (const ConstructPoint& cp, const Functor& f)
: cp(cp), f(f)
{ }
typename cpp11::result_of<Functor(Tetrahedron_3)>::type operator() (const Tetrahedron_3& t) const
{
return f(t);
}
typename cpp11::result_of< Functor(Point_3,Point_3) >::type operator() (const Point_3& p0, const Point_3& p1) const
{
return f(p0, p1);
}
typename cpp11::result_of< Functor(Point_3,Point_3, Point_3) >::type operator() (const Point_3& p0, const Point_3& p1, const Point_3& p2) const
{
return f(p0, p1, p2);
}
typename cpp11::result_of< Functor(Point_3,Point_3, Point_3,Point_3) >::type operator() (const Point_3& p0, const Point_3& p1, const Point_3& p2, const Point_3& p3) const
{
return f(p0, p1, p2, p3);
}
typename cpp11::result_of< Functor(Point_3,Origin) >::type operator() (const Point_3& p0, const Origin& o) const
{
return f(p0, o);
}
typename cpp11::result_of< Functor(Point_3,Origin) >::type operator() (const Origin& o, const Point_3& p0) const
{
return f(o, p0);
}
typename cpp11::result_of< Functor(Plane_3,Point_3) >::type operator() (const Plane_3& pl, const Point_3& p) const
{
return f(pl, p);
}
typename cpp11::result_of< Functor(Point_3,Point_3) >::type operator() (const Weighted_point_3& p0, const Weighted_point_3& p1) const
{
return f(cp(p0), cp(p1));
}
typename cpp11::result_of<Functor(Plane_3,Point_3)>::type operator() (const Plane_3& p0, const Weighted_point_3& p1) const
{
return f(p0, cp(p1));
}
typename cpp11::result_of<Functor(Point_3,Point_3,Point_3)>::type operator() (const Weighted_point_3& p0, const Weighted_point_3& p1,
const Weighted_point_3& p2) const
{
return f(cp(p0), cp(p1), cp(p2));
}
typename cpp11::result_of<Functor(Point_3,Point_3,Point_3,Point_3)>::type operator() (const Weighted_point_3& p0, const Weighted_point_3& p1,
const Weighted_point_3& p2, const Weighted_point_3& p3) const
{
return f(cp(p0), cp(p1), cp(p2), cp(p3));
}
typename cpp11::result_of<Functor(Point_3,Point_3,Point_3,FT)>::type operator() (const Weighted_point_3& p0, const Weighted_point_3& p1,
const Weighted_point_3& p2, const Weighted_point_3& p3,
const FT w) const
{
return f(cp(p0), cp(p1), cp(p2), cp(p3), w);
}
};
} // namespace CGAL
#endif /* CGAL_REGULAR_TRAITS_ADAPTOR_H */