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// Copyright (c) 2003-2008 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1.1/Circular_kernel_2/include/CGAL/Circular_kernel_2/Circular_arc_point_2.h $
// $Id: include/CGAL/Circular_kernel_2/Circular_arc_point_2.h 08b27d3db14 $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Monique Teillaud, Sylvain Pion, Pedro Machado
// Partially supported by the IST Programme of the EU as a Shared-cost
// RTD (FET Open) Project under Contract No IST-2000-26473
// (ECG - Effective Computational Geometry for Curves and Surfaces)
// and a STREP (FET Open) Project under Contract No IST-006413
// (ACS -- Algorithms for Complex Shapes)
#ifndef CGAL_CIRCULAR_KERNEL_CIRCULAR_ARC_POINT_2_H
#define CGAL_CIRCULAR_KERNEL_CIRCULAR_ARC_POINT_2_H
#include <CGAL/license/Circular_kernel_2.h>
#include <iostream>
#include <type_traits>
#include <CGAL/Handle.h>
#include <CGAL/Bbox_2.h>
#include <CGAL/Interval_nt.h>
namespace CGAL {
namespace internal {
template <class CK >
class Circular_arc_point_2_base
{
typedef typename CK::FT FT;
typedef typename CK::Root_of_2 Root_of_2;
typedef typename CK::Point_2 Point_2;
public: // fixme ?
typedef typename CK::Root_for_circles_2_2 Root_for_circles_2_2;
typedef typename CK::template Handle<Root_for_circles_2_2>::type Base;
Circular_arc_point_2_base()
{}
Circular_arc_point_2_base(const Root_for_circles_2_2 & np)
: _p(np)
{}
Circular_arc_point_2_base(const Point_2 & p)
: _p(p.x(),p.y()/*,1,1,-p.x()-p.y()*/)
{}
const Root_of_2 & x() const
{ return get_pointee_or_identity(_p).x(); }
const Root_of_2 & y() const
{ return get_pointee_or_identity(_p).y(); }
CGAL::Bbox_2 bbox() const
{
return get_pointee_or_identity(_p).bbox();
}
const Root_for_circles_2_2 & coordinates() const
{ return get_pointee_or_identity(_p); }
bool equal_ref(const Circular_arc_point_2_base &p) const
{
return CGAL::identical(_p, p._p);
}
private:
Base _p;
};
template < typename CK >
std::ostream &
print(std::ostream & os, const Circular_arc_point_2_base<CK> &p)
{
return os << "CirclArcEndPoint_2(" << std::endl
<< p.x() << ", " << p.y() << ')';
}
template < typename BK, typename Base_CK >
class Filtered_bbox_circular_arc_point_2_base
: public Base_CK::Circular_arc_point_2
{
public:
typedef Filtered_bbox_circular_arc_point_2_base<BK,Base_CK> Self;
typedef typename Base_CK::Circular_arc_point_2 P_point;
typedef typename BK::Point_2 Point_2;
typedef typename BK::Root_for_circles_2_2 Root_for_circles_2_2;
////Construction/////
Filtered_bbox_circular_arc_point_2_base()
: P_point(), bb(nullptr)
{}
Filtered_bbox_circular_arc_point_2_base(const P_point& pt)
: P_point(pt), bb(nullptr)
{}
explicit Filtered_bbox_circular_arc_point_2_base(const Root_for_circles_2_2 & np)
: P_point(np), bb(nullptr)
{}
explicit Filtered_bbox_circular_arc_point_2_base(const Point_2 & p)
: P_point(p), bb(nullptr)
{}
Filtered_bbox_circular_arc_point_2_base(const Self &c)
: P_point(c), bb(c.bb ? new Bbox_2(*(c.bb)) : nullptr)
{}
Filtered_bbox_circular_arc_point_2_base&
operator=(const Self& c) {
if(this != &c)
{
this->P_point::operator=(c);
if (bb != nullptr){
delete bb;
}
bb = c.bb ? new Bbox_2(*(c.bb)) : nullptr;
}
return *this;
}
~Filtered_bbox_circular_arc_point_2_base() {
if(bb) {
delete bb;
bb = 0;
}
}
////Bbox related accessors////
bool has_no_bbox() const
{ return (bb==nullptr);}
Bbox_2 bbox() const
{
if(this->has_no_bbox())
bb= new Bbox_2(P_point::bbox());
return *bb;
}
private:
mutable Bbox_2 *bb;
}; // end class Filtered_bbox_circular_arc_point_2_base
} // namespace internal
} // namespace CGAL
#endif // CGAL_CIRCULAR_KERNEL_CIRCULAR_ARC_POINT_2_H
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