mirror of https://github.com/CGAL/cgal
97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
// Copyright (c) 2014
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// INRIA Saclay-Ile de France (France)
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//
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// This file is part of CGAL (www.cgal.org)
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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// Author(s) : Marc Glisse
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#ifndef CGAL_WRAPPER_SEGMENT_D_H
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#define CGAL_WRAPPER_SEGMENT_D_H
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#include <CGAL/Origin.h>
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#include <CGAL/Kernel/mpl.h>
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#include <CGAL/representation_tags.h>
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#include <CGAL/assertions.h>
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#include <boost/type_traits.hpp>
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#include <CGAL/Kernel/Return_base_tag.h>
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#include <CGAL/Dimension.h>
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namespace CGAL {
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namespace Wrap {
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template <class R_>
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class Segment_d : public Get_type<typename R_::Kernel_base, Segment_tag>::type
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{
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typedef typename Get_type<R_, RT_tag>::type RT_;
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typedef typename Get_type<R_, FT_tag>::type FT_;
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typedef typename R_::Kernel_base Kbase;
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typedef typename Get_type<R_, Point_tag>::type Point_;
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typedef typename Get_functor<Kbase, Construct_ttag<Point_tag> >::type CPBase;
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typedef typename Get_functor<Kbase, Construct_ttag<Segment_tag> >::type CSBase;
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typedef typename Get_functor<Kbase, Segment_extremity_tag>::type CSEBase;
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typedef Segment_d Self;
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static_assert(std::is_same<Self, typename Get_type<R_, Segment_tag>::type>::value);
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public:
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typedef Tag_true Is_wrapper;
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typedef typename R_::Default_ambient_dimension Ambient_dimension;
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typedef Dimension_tag<1> Feature_dimension;
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typedef typename Get_type<Kbase, Segment_tag>::type Rep;
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const Rep& rep() const
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{
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return *this;
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}
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Rep& rep()
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{
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return *this;
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}
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typedef R_ R;
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template<class...U,class=std::enable_if_t<!std::is_same<std::tuple<typename std::decay<U>::type...>,std::tuple<Segment_d> >::value>> explicit Segment_d(U&&...u)
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: Rep(CSBase()(std::forward<U>(u)...)){}
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// // called from Construct_point_d
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// template<class...U> explicit Point_d(Eval_functor&&,U&&...u)
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// : Rep(Eval_functor(), std::forward<U>(u)...){}
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template<class F,class...U> explicit Segment_d(Eval_functor&&,F&&f,U&&...u)
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: Rep(std::forward<F>(f)(std::forward<U>(u)...)){}
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#if 0
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// the new standard may make this necessary
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Point_d(Point_d const&)=default;
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Point_d(Point_d &);//=default;
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Point_d(Point_d &&)=default;
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#endif
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// try not to use these
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Segment_d(Rep const& v) : Rep(v) {}
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Segment_d(Rep& v) : Rep(static_cast<Rep const&>(v)) {}
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Segment_d(Rep&& v) : Rep(std::move(v)) {}
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//TODO: if CSEBase returns a reference to a base point, cast it to a
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//reference to a wrapper point. Ugly but should be safe.
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Point_ source()const{
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return Point_(Eval_functor(),CSEBase(),rep(),0);
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}
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Point_ target()const{
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return Point_(Eval_functor(),CSEBase(),rep(),1);
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}
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};
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} //namespace Wrap
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} //namespace CGAL
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#endif // CGAL_WRAPPER_SEGMENT_D_H
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