mirror of https://github.com/CGAL/cgal
129 lines
3.2 KiB
C++
129 lines
3.2 KiB
C++
// ======================================================================
|
|
//
|
|
// Copyright (c) 1999 The CGAL Consortium
|
|
//
|
|
// This software and related documentation is part of an INTERNAL release
|
|
// of the Computational Geometry Algorithms Library (CGAL). It is not
|
|
// intended for general use.
|
|
//
|
|
// ----------------------------------------------------------------------
|
|
//
|
|
// release :
|
|
// release_date :
|
|
//
|
|
// file : Circle_2.h
|
|
// package : _2
|
|
// revision : $Revision$
|
|
// revision_date : $Date$
|
|
// author(s) : Andreas Fabri
|
|
// Sven Schoenherr
|
|
//
|
|
// coordinator : MPI, Saarbruecken (<Stefan.Schirra@mpi-sb.mpg.de>)
|
|
// ======================================================================
|
|
|
|
#ifndef CGAL_CIRCLE_2_H
|
|
#define CGAL_CIRCLE_2_H
|
|
|
|
#include <CGAL/Point_2.h>
|
|
|
|
CGAL_BEGIN_NAMESPACE
|
|
|
|
template <class R_>
|
|
class Circle_2 : public R_::Circle_2_base
|
|
{
|
|
public:
|
|
typedef R_ R;
|
|
typedef typename R::RT RT;
|
|
typedef typename R::FT FT;
|
|
typedef typename R::Circle_2_base RCircle_2;
|
|
|
|
Circle_2()
|
|
: RCircle_2()
|
|
{}
|
|
|
|
Circle_2(const CGAL::Circle_2<R> &t)
|
|
: RCircle_2((RCircle_2&)t)
|
|
{}
|
|
|
|
Circle_2(const RCircle_2& t)
|
|
: RCircle_2(t)
|
|
{}
|
|
|
|
Circle_2(const CGAL::Point_2<R> ¢er,
|
|
const FT &squared_radius,
|
|
const Orientation &orientation)
|
|
: RCircle_2(center, squared_radius, orientation)
|
|
{}
|
|
|
|
Circle_2(const CGAL::Point_2<R> ¢er,
|
|
const FT &squared_radius)
|
|
: RCircle_2(center, squared_radius, COUNTERCLOCKWISE)
|
|
{}
|
|
|
|
Circle_2(const CGAL::Point_2<R> &p,
|
|
const CGAL::Point_2<R> &q,
|
|
const CGAL::Point_2<R> &r)
|
|
: RCircle_2(p,q,r)
|
|
{}
|
|
|
|
Circle_2(const CGAL::Point_2<R> & p,
|
|
const CGAL::Point_2<R> & q,
|
|
const Orientation &orientation)
|
|
: RCircle_2(p,q,orientation)
|
|
{}
|
|
|
|
Circle_2(const CGAL::Point_2<R> & p,
|
|
const CGAL::Point_2<R> & q)
|
|
: RCircle_2(p,q,COUNTERCLOCKWISE)
|
|
{}
|
|
|
|
Circle_2(const CGAL::Point_2<R> & center,
|
|
const Orientation& orientation)
|
|
: RCircle_2(center,FT(0),orientation)
|
|
{}
|
|
|
|
Circle_2(const CGAL::Point_2<R> & center)
|
|
: RCircle_2(center,FT(0),COUNTERCLOCKWISE)
|
|
{}
|
|
|
|
CGAL::Point_2<R>
|
|
center() const
|
|
{ return RCircle_2::center(); }
|
|
|
|
CGAL::Circle_2<R>
|
|
orthogonal_transform(const CGAL::Aff_transformation_2<R> &t) const
|
|
{ return RCircle_2::orthogonal_transform(t); }
|
|
|
|
CGAL::Circle_2<R>
|
|
opposite() const
|
|
{
|
|
return CGAL::Circle_2<R>(center(), squared_radius(),
|
|
CGAL::opposite(orientation()));
|
|
}
|
|
};
|
|
|
|
#ifndef CGAL_NO_OSTREAM_INSERT_CIRCLE_2
|
|
template < class R >
|
|
std::ostream &
|
|
operator<<(std::ostream &os, const Circle_2<R> &c)
|
|
{
|
|
typedef typename R::Circle_2_base RCircle_2;
|
|
return os << (const RCircle_2&)c;
|
|
}
|
|
|
|
#endif // CGAL_NO_OSTREAM_INSERT_CIRCLE_2
|
|
|
|
#ifndef CGAL_NO_ISTREAM_EXTRACT_CIRCLE_2
|
|
template < class R >
|
|
std::istream &
|
|
operator>>(std::istream &is, Circle_2<R> &c)
|
|
{
|
|
typedef typename R::Circle_2_base RCircle_2;
|
|
return is >> (RCircle_2&)c;
|
|
}
|
|
#endif // CGAL_NO_ISTREAM_EXTRACT_CIRCLE_2
|
|
|
|
CGAL_END_NAMESPACE
|
|
|
|
#endif // CGAL_CIRCLE_2_H
|