mirror of https://github.com/CGAL/cgal
213 lines
4.0 KiB
C++
213 lines
4.0 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 : Point_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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// Stefan Schirra
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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_POINT_2_H
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#define CGAL_POINT_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/PointH2.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/Point_2.h>
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#endif
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#include <CGAL/point_vector_declarations_2.h>
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CGAL_BEGIN_NAMESPACE
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template <class R_>
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class Point_2 : public R_::Point_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::Point_2_base RPoint_2;
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typedef typename R::Vector_2_base RVector_2;
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friend CGAL_FRIEND_INLINE
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CGAL::Point_2<R>
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CGAL_SCOPE vector_to_point_conversion CGAL_NULL_TMPL_ARGS
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(const CGAL::Vector_2<R>& v);
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Point_2()
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{}
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Point_2(const Origin& o)
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: RPoint_2(o)
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{}
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Point_2(const CGAL::Point_2<R>& p)
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: RPoint_2(static_cast<const RPoint_2&>(p))
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{}
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Point_2(const RPoint_2& p)
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: RPoint_2(p)
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{}
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Point_2(const RT& hx, const RT& hy)
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: RPoint_2(hx, hy)
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{}
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Point_2(const RT& hx, const RT& hy, const RT& hw)
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: RPoint_2(hx, hy, hw)
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{}
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bool operator==(const CGAL::Point_2<R>& p) const
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{
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return RPoint_2::operator==(p);
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}
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bool operator!=(const CGAL::Point_2<R>& p) const
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{
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return !(*this == p);
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}
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RT hx() const
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{
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return RPoint_2::hx();
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}
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RT hy() const
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{
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return RPoint_2::hy();
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}
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RT hw() const
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{
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return RPoint_2::hw();
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}
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FT x() const
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{
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return RPoint_2::x();
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}
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FT y() const
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{
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return RPoint_2::y();
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}
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RT homogeneous(int i) const
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{
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return RPoint_2::homogeneous(i);
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}
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FT cartesian(int i) const
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{
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return RPoint_2::cartesian(i);
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}
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FT operator[](int i) const
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{
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return cartesian(i);
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}
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int dimension() const
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{
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return 2;
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}
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Bbox_2 bbox() const
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{
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return RPoint_2::bbox();
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}
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CGAL::Point_2<R> transform(const CGAL::Aff_transformation_2<R>& t) const
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{
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return RPoint_2::transform(t);
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}
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private:
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Point_2(const RVector_2& v)
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: RPoint_2(v)
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{}
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};
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#ifndef CGAL_NO_OSTREAM_INSERT_POINT_2
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template < class R >
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std::ostream&
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operator<<(std::ostream& os, const Point_2<R>& p)
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{
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typedef typename R::Point_2_base RPoint_2;
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return os << static_cast<const RPoint_2&>(p);
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}
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#endif // CGAL_NO_OSTREAM_INSERT_POINT_2
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#ifndef CGAL_NO_ISTREAM_EXTRACT_POINT_2
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template < class R >
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std::istream&
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operator>>(std::istream& is, Point_2<R>& p)
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{
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typedef typename R::Point_2_base RPoint_2;
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return is >> static_cast<RPoint_2&>(p);
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}
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#endif // CGAL_NO_ISTREAM_EXTRACT_POINT_2
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template <class R>
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inline
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Point_2<R>
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operator+(const Origin& o, const Vector_2<R>& v);
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template <class R>
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inline
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Point_2<R>
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operator-(const Origin& o, const Vector_2<R>& v);
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template <class R>
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inline
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Vector_2<R>
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operator-(const Point_2<R>& p, const Origin& );
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CGAL_END_NAMESPACE
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#include <CGAL/Vector_2.h>
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#include <CGAL/point_vector_definitions_2.C>
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#include <CGAL/Aff_transformation_2.h>
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CGAL_BEGIN_NAMESPACE
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template <class R>
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inline
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bool
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operator==(const Origin& o, const Point_2<R>& p)
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{ return p == o; }
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template <class R>
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inline
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bool
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operator!=(const Origin& o, const Point_2<R>& p)
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{ return p != o; }
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CGAL_END_NAMESPACE
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#endif // CGAL_POINT_2_H
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