mirror of https://github.com/CGAL/cgal
206 lines
4.8 KiB
C++
206 lines
4.8 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 : Circle_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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// Sven Schoenherr
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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_CIRCLE_2_H
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#define CGAL_CIRCLE_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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#if defined CGAL_HOMOGENEOUS_H || defined CGAL_SIMPLE_HOMOGENEOUS_H
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#include <CGAL/CircleH2.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/Circle_2.h>
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#endif
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#include <CGAL/Point_2.h>
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CGAL_BEGIN_NAMESPACE
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template <class R_>
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class Circle_2 : public R_::Circle_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::Circle_2_base RCircle_2;
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Circle_2()
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: RCircle_2()
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{}
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Circle_2(const CGAL::Circle_2<R> &t)
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: RCircle_2((RCircle_2&)t)
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{}
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Circle_2(const RCircle_2& t)
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: RCircle_2(t)
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{}
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Circle_2(const CGAL::Point_2<R> ¢er,
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const FT &squared_radius,
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const Orientation &orientation)
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: RCircle_2(center, squared_radius, orientation)
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{}
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Circle_2(const CGAL::Point_2<R> ¢er,
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const FT &squared_radius)
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: RCircle_2(center, squared_radius, COUNTERCLOCKWISE)
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{}
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Circle_2(const CGAL::Point_2<R> &p,
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const CGAL::Point_2<R> &q,
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const CGAL::Point_2<R> &r)
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: RCircle_2(p,q,r)
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{}
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Circle_2(const CGAL::Point_2<R> & p,
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const CGAL::Point_2<R> & q,
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const Orientation &orientation)
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: RCircle_2(p,q,orientation)
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{}
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Circle_2(const CGAL::Point_2<R> & p,
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const CGAL::Point_2<R> & q)
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: RCircle_2(p,q,COUNTERCLOCKWISE)
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{}
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Circle_2(const CGAL::Point_2<R> & center,
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const Orientation& orientation)
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: RCircle_2(center,FT(0),orientation)
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{}
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Circle_2(const CGAL::Point_2<R> & center)
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: RCircle_2(center,FT(0),COUNTERCLOCKWISE)
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{}
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bool
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operator==(const CGAL::Circle_2<R> &t) const
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{ return RCircle_2::operator==(t); }
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bool
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operator!=(const CGAL::Circle_2<R> &t) const
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{ return !(*this == t); }
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CGAL::Point_2<R>
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center() const
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{ return RCircle_2::center(); }
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FT
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squared_radius() const
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{ return RCircle_2::squared_radius(); }
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Orientation orientation() const
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{ return RCircle_2::orientation(); }
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CGAL::Circle_2<R>
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orthogonal_transform(const CGAL::Aff_transformation_2<R> &t) const
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{ return RCircle_2::orthogonal_transform(t); }
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/*
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CGAL::Circle_2<R> transform(const CGAL::Aff_transformation_2<R> &t) const
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{
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return Circle_2::transform(t);
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}
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*/
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Oriented_side
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oriented_side(const CGAL::Point_2<R> &p) const
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{ return RCircle_2::oriented_side(p); }
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Bounded_side
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bounded_side(const CGAL::Point_2<R> &p) const
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{ return RCircle_2::bounded_side(p); }
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bool
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has_on_boundary(const CGAL::Point_2<R> &p) const
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{ return RCircle_2::has_on_boundary(p); }
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bool
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has_on_positive_side(const CGAL::Point_2<R> &p) const
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{ return RCircle_2::has_on_positive_side(p); }
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bool
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has_on_negative_side(const CGAL::Point_2<R> &p) const
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{ return RCircle_2::has_on_negative_side(p); }
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bool
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has_on_bounded_side(const CGAL::Point_2<R> &p) const
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{ return RCircle_2::has_on_bounded_side(p); }
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bool
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has_on_unbounded_side(const CGAL::Point_2<R> &p) const
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{ return RCircle_2::has_on_unbounded_side(p); }
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bool
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is_degenerate() const
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{ return RCircle_2::is_degenerate(); }
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CGAL::Circle_2<R>
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opposite() const
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{
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return CGAL::Circle_2<R>(center(), squared_radius(),
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CGAL::opposite(orientation()));
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}
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Bbox_2
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bbox() const
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{ return RCircle_2::bbox(); }
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};
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#ifndef CGAL_NO_OSTREAM_INSERT_CIRCLE_2
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template < class R >
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std::ostream &
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operator<<(std::ostream &os, const Circle_2<R> &c)
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{
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typedef typename R::Circle_2_base RCircle_2;
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return os << (const RCircle_2&)c;
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}
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#endif // CGAL_NO_OSTREAM_INSERT_CIRCLE_2
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#ifndef CGAL_NO_ISTREAM_EXTRACT_CIRCLE_2
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template < class R >
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std::istream &
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operator>>(std::istream &is, Circle_2<R> &c)
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{
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typedef typename R::Circle_2_base RCircle_2;
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return is >> (RCircle_2&)c;
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}
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#endif // CGAL_NO_ISTREAM_EXTRACT_CIRCLE_2
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CGAL_END_NAMESPACE
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#endif // CGAL_CIRCLE_2_H
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