mirror of https://github.com/CGAL/cgal
88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
// revision : $Revision$
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// revision_date : $Date$
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// author(s) : Andreas Fabri, Herve Bronnimann
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#ifndef CGAL_CARTESIAN_DIRECTION_2_H
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#define CGAL_CARTESIAN_DIRECTION_2_H
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#include <CGAL/Cartesian/redefine_names_2.h>
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#include <CGAL/Twotuple.h>
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CGAL_BEGIN_NAMESPACE
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template < class _R >
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class DirectionC2
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#ifndef CGAL_CFG_NO_ADVANCED_KERNEL
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// This is a partial specialization
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<_R,Cartesian_tag>
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#endif
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: public Handle
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{
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public:
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typedef _R R;
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typedef typename R::FT FT;
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typedef typename R::RT RT;
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#ifndef CGAL_CFG_NO_ADVANCED_KERNEL
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typedef DirectionC2<R,Cartesian_tag> Self;
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typedef typename R::Point_2 Point_2;
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typedef typename R::Vector_2 Vector_2;
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typedef typename R::Line_2 Line_2;
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typedef typename R::Ray_2 Ray_2;
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typedef typename R::Triangle_2 Triangle_2;
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typedef typename R::Segment_2 Segment_2;
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typedef typename R::Iso_rectangle_2 Iso_rectangle_2;
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typedef typename R::Aff_transformation_2 Aff_transformation_2;
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typedef typename R::Circle_2 Circle_2;
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#else
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typedef DirectionC2<R> Self;
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typedef typename R::Point_2_base Point_2;
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typedef typename R::Vector_2_base Vector_2;
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typedef typename R::Line_2_base Line_2;
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typedef typename R::Ray_2_base Ray_2;
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typedef typename R::Triangle_2_base Triangle_2;
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typedef typename R::Segment_2_base Segment_2;
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typedef typename R::Iso_rectangle_2_base Iso_rectangle_2;
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typedef typename R::Aff_transformation_2_base Aff_transformation_2;
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typedef typename R::Circle_2_base Circle_2;
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#endif
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DirectionC2();
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DirectionC2(const Self &d);
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DirectionC2(const Vector_2 &v);
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DirectionC2(const FT &x, const FT &y);
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~DirectionC2();
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Self &operator=(const Self &d);
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bool operator==(const Self &d) const;
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bool operator!=(const Self &d) const;
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bool operator>=(const Self &d) const;
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bool operator<=(const Self &d) const;
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bool operator>(const Self &d) const;
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bool operator<(const Self &d) const;
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bool counterclockwise_in_between( const Self &d1, const Self &d2) const;
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int id() const;
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Vector_2 to_vector() const;
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Self perpendicular(const Orientation &o) const;
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Self transform(const Aff_transformation_2 &t) const;
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Self operator-() const;
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FT delta(int i) const;
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FT dx() const;
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FT dy() const;
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private:
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_Twotuple<FT>* ptr() const;
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};
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CGAL_END_NAMESPACE
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#ifndef CGAL_CARTESIAN_CLASS_DEFINED
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#include <CGAL/Cartesian/Direction_2.C>
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#endif
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#endif // CGAL_CARTESIAN_DIRECTION_2_H
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