mirror of https://github.com/CGAL/cgal
152 lines
3.3 KiB
C++
152 lines
3.3 KiB
C++
// ======================================================================
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//
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// Copyright (c) 1999 The CGAL Consortium
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//
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// This software and related documentation is part of an INTERNAL release
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// of the Computational Geometry Algorithms Library (CGAL). It is not
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// intended for general use.
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//
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// ----------------------------------------------------------------------
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//
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// release :
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// release_date :
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//
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// file : Ray_2.h
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// package : _2
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// revision : $Revision$
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// revision_date : $Date$
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// author(s) : Andreas Fabri
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//
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// coordinator : MPI, Saarbruecken (<Stefan.Schirra@mpi-sb.mpg.de>)
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// ======================================================================
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#ifndef CGAL_RAY_2_H
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#define CGAL_RAY_2_H
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#ifndef CGAL_REP_CLASS_DEFINED
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#error no representation class defined
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#endif
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#include <CGAL/Point_2.h>
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#if defined CGAL_HOMOGENEOUS_H || defined CGAL_SIMPLE_HOMOGENEOUS_H
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#include <CGAL/RayH2.h>
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#endif
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#if defined CGAL_CARTESIAN_H || defined CGAL_SIMPLE_CARTESIAN_H
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#include <CGAL/Cartesian/Ray_2.h>
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#endif
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CGAL_BEGIN_NAMESPACE
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template <class R_>
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class Ray_2 : public R_::Ray_2_base
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{
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public:
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typedef R_ R;
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typedef typename R::RT RT;
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typedef typename R::FT FT;
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typedef typename R::Ray_2_base RRay_2;
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Ray_2()
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: RRay_2()
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{}
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~Ray_2()
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{}
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Ray_2(const CGAL::Ray_2<R> &r)
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: RRay_2(static_cast<const RRay_2&>(r))
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{
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}
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Ray_2(const RRay_2& r)
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: RRay_2(r)
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{
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}
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Ray_2(const CGAL::Point_2<R> &sp,
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const CGAL::Point_2<R> &secondp)
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: RRay_2(sp, secondp)
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{}
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Ray_2(const CGAL::Point_2<R> &sp,
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const CGAL::Direction_2<R> &d)
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: RRay_2(sp, d)
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{}
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bool operator==(const CGAL::Ray_2<R> &r) const
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{ return RRay_2::operator==(r); }
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bool operator!=(const CGAL::Ray_2<R> &r) const
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{ return !(*this == r); }
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CGAL::Point_2<R> start() const
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{ return RRay_2::start(); }
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CGAL::Point_2<R> source() const
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{ return RRay_2::source(); }
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CGAL::Point_2<R> second_point() const
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{ return RRay_2::second_point(); }
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CGAL::Point_2<R> point(int i) const
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{ return RRay_2::point(i); }
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CGAL::Direction_2<R> direction() const
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{ return RRay_2::direction(); }
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CGAL::Line_2<R> supporting_line() const
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{ return RRay_2::supporting_line(); }
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CGAL::Ray_2<R> opposite() const
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{ return RRay_2::opposite(); }
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CGAL::Ray_2<R> transform(const CGAL::Aff_transformation_2<R> &t) const
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{ return RRay_2::transform(t); }
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bool is_horizontal() const
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{ return RRay_2::is_horizontal(); }
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bool is_vertical() const
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{ return RRay_2::is_vertical(); }
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bool is_degenerate() const
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{ return RRay_2::is_degenerate(); }
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bool has_on(const CGAL::Point_2<R> &p) const
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{ return RRay_2::has_on(p); }
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bool collinear_has_on(const CGAL::Point_2<R> &p) const
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{ return RRay_2::collinear_has_on(p); }
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};
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#ifndef CGAL_NO_OSTREAM_INSERT_RAY_2
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template < class R >
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std::ostream &
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operator<<(std::ostream &os, const Ray_2<R> &r)
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{
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typedef typename R::Ray_2_base RRay_2;
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return os << static_cast<const RRay_2&>(r);
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}
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#endif // CGAL_NO_OSTREAM_INSERT_RAY_2
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#ifndef CGAL_NO_ISTREAM_EXTRACT_RAY_2
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template < class R >
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std::istream &
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operator>>(std::istream &is, Ray_2<R> &r)
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{
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typedef typename R::Ray_2_base RRay_2;
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return is >> static_cast<RRay_2&>(r);
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}
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#endif // CGAL_NO_ISTREAM_EXTRACT_RAY_2
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CGAL_END_NAMESPACE
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#endif // CGAL_RAY_2_H
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