mirror of https://github.com/CGAL/cgal
123 lines
3.2 KiB
C++
123 lines
3.2 KiB
C++
// ======================================================================
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//
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// Copyright (c) 2000 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 : include/CGAL/Cartesian/Scaling_rep_d.h
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// revision : $Revision$
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// revision_date : $Date$
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// author(s) : Herve.Bronnimann@sophia.inria.fr
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// coordinator : INRIA Sophia-Antipolis (Mariette.Yvinec@sophia.inria.fr)
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//
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// ======================================================================
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#ifndef CGAL_CARTESIAN_SCALING_REP_D_H
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#define CGAL_CARTESIAN_SCALING_REP_D_H
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#include <CGAL/Cartesian/redefine_names_d.h>
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#ifdef _MSC_VER
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#define typename
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#endif
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CGAL_BEGIN_NAMESPACE
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template < class R >
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class Scaling_repCd : public Aff_transformation_rep_baseCd<R>
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{
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friend class Aff_transformation_repCd<R>;
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friend class Translation_repCd<R>;
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public:
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typedef typename R::FT FT;
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typedef typename R::RT RT;
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typedef Aff_transformation_rep_baseCd<R> Transformation_base_d;
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typedef Aff_transformation_repCd<R> Transformation_d;
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typedef Translation_repCd<R> Translation_d;
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typedef Scaling_repCd<R> Scaling_d;
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typedef typename Transformation_base_d::Point_d Point_d;
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typedef typename Transformation_base_d::Vector_d Vector_d;
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typedef typename Transformation_base_d::Direction_d Direction_d;
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typedef typename Transformation_base_d::Aff_transformation_d
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Aff_transformation_d;
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Scaling_repCd() {}
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Scaling_repCd(const FT &s) : _scalefactor(s) {}
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virtual ~Scaling_repCd() {}
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virtual Point_d transform(const Point_d &p) const
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{
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}
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virtual Vector_d transform(const Vector_d &v) const
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{
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}
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virtual Direction_d transform(const Direction_d &d) const
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{
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return d;
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}
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virtual Aff_transformation_d operator*(const Transformation_base_d &t) const
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{
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return t.compose(*this);
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}
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virtual Aff_transformation_d compose(const Transformation_d &t) const
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{
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}
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virtual Aff_transformation_d compose(const Translation_d &t) const
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{
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}
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virtual Aff_transformation_d compose(const Scaling_d &t) const
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{
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return Aff_transformation_d(SCALING, _scalefactor*t._scalefactor);
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}
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virtual Aff_transformation_d inverse() const
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{
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return Aff_transformation_d(SCALING, FT(1)/_scalefactor);
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}
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virtual Aff_transformation_d transpose() const
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{
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return Aff_transformation_d(SCALING, _scalefactor);
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}
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virtual bool is_even() const
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{
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return true;
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}
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virtual FT cartesian(int i, int j) const
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{
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if (i!=j) return FT(0);
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if (i==dimension()) return FT(1);
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return _scalefactor;
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}
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virtual std::ostream &print(std::ostream &os) const
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{
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FT ft0(0);
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os << "Aff_transformationCd(" << _scalefactor << ")";
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return os;
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}
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private:
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FT _scalefactor;
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};
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CGAL_END_NAMESPACE
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#endif // CGAL_CARTESIAN_SCALING_REP_D_H
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