mirror of https://github.com/CGAL/cgal
131 lines
2.8 KiB
C++
131 lines
2.8 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 : Line_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_LINE_2_H
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#define CGAL_LINE_2_H
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#include <CGAL/Segment_2.h>
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#include <CGAL/Ray_2.h>
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CGAL_BEGIN_NAMESPACE
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template <class R_>
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class Line_2 : public R_::Line_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::Line_2_base RLine_2;
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Line_2()
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: RLine_2()
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{}
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Line_2(const CGAL::Line_2<R> &l)
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: RLine_2(static_cast<const RLine_2&>(l))
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{}
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Line_2(const CGAL::Point_2<R> &p, const CGAL::Point_2<R> &q)
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: RLine_2(p,q)
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{}
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Line_2(const RT &a, const RT &b, const RT &c)
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: RLine_2(a,b,c)
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{}
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Line_2(const RLine_2& l) // conversion impl -> interface class
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: RLine_2(l)
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{}
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Line_2(const CGAL::Segment_2<R>& s)
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: RLine_2(s)
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{}
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Line_2(const CGAL::Ray_2<R>& r)
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: RLine_2(r)
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{}
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Line_2(const CGAL::Point_2<R> &p, const CGAL::Direction_2<R> &d)
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: RLine_2(p,d)
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{}
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CGAL::Line_2<R> perpendicular(const CGAL::Point_2<R> &p) const
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{
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return RLine_2::perpendicular(p);
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}
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CGAL::Line_2<R> opposite() const
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{
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return RLine_2::opposite();
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}
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CGAL::Point_2<R> point(int i) const
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{
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return RLine_2::point(i);
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}
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CGAL::Point_2<R> projection(const CGAL::Point_2<R> &p) const
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{
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return RLine_2::projection(p);
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}
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CGAL::Point_2<R> point() const
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{
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return RLine_2::point();
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}
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CGAL::Direction_2<R> direction() const
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{
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return RLine_2::direction();
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}
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CGAL::Line_2<R> transform(const CGAL::Aff_transformation_2<R> &t) const
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{
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return RLine_2::transform(t);
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}
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};
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#ifndef CGAL_NO_OSTREAM_INSERT_LINE_2
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template < class R >
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std::ostream &
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operator<<(std::ostream &os, const Line_2<R> &l)
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{
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typedef typename R::Line_2_base RLine_2;
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return os << static_cast<const RLine_2&>(l);
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}
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#endif // CGAL_NO_OSTREAM_INSERT_LINE_2
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#ifndef CGAL_NO_ISTREAM_EXTRACT_LINE_2
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template < class R >
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std::istream &
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operator>>(std::istream &is, Line_2<R> &p)
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{
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typedef typename R::Line_2_base RLine_2;
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return is >> static_cast<RLine_2&>(p);
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}
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#endif // CGAL_NO_ISTREAM_EXTRACT_LINE_2
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CGAL_END_NAMESPACE
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#endif // CGAL_LINE_2_H
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