cgal/Packages/Partition_2/include/CGAL/Vertex_visibility_traits_2.h

100 lines
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C++

// ============================================================================
//
// Copyright (c) 2000 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 : $CGAL_Revision $
// release_date : $CGAL_Date $
//
// file : include/CGAL/Vertex_visibility_traits_2.h
// package : $CGAL_Package: Partition_2 $
// maintainer : Susan Hert <hert@mpi-sb.mpg.de>
// chapter : Planar Polygon Partitioning
//
// revision : $Revision$
// revision_date : $Date$
//
// author(s) : Susan Hert <hert@mpi-sb.mpg.de>
//
// coordinator : MPI (Susan Hert <hert@mpi-sb.mpg.de>)
//
// implementation: Traits class for polygon vertex visibility graph
// ============================================================================
#ifndef VERTEX_VISIBILITY_TRAITS_2_H
#define VERTEX_VISIBILITY_TRAITS_2_H
namespace CGAL {
template <class Kernel_>
class Vertex_visibility_traits_2
{
public:
typedef Kernel_ Kernel;
typedef typename Kernel::Point_2 Point_2;
typedef typename Kernel::Segment_2 Segment_2;
typedef typename Kernel::Ray_2 Ray_2;
typedef typename Kernel::Construct_segment_2 Construct_segment_2;
typedef typename Kernel::Construct_ray_2 Construct_ray_2;
typedef typename Kernel::Less_yx_2 Less_yx_2;
typedef typename Kernel::Less_xy_2 Less_xy_2;
typedef typename Kernel::Compare_x_2 Compare_x_2;
typedef typename Kernel::Compare_y_2 Compare_y_2;
typedef typename Kernel::Left_turn_2 Left_turn_2;
typedef typename Kernel::Orientation_2 Orientation_2;
typedef typename Kernel::Collinear_are_ordered_along_line_2
Collinear_are_ordered_along_line_2;
typedef typename Kernel::Are_strictly_ordered_along_line_2
Are_strictly_ordered_along_line_2;
Compare_x_2
compare_x_2_object() const
{ return Compare_x_2(); }
Compare_y_2
compare_y_2_object() const
{ return Compare_y_2(); }
Less_yx_2
less_yx_2_object() const
{ return Less_yx_2(); }
Less_xy_2
less_xy_2_object() const
{ return Less_xy_2(); }
Left_turn_2
left_turn_2_object() const
{ return Left_turn_2(); }
Orientation_2
orientation_2_object() const
{ return Orientation_2(); }
Collinear_are_ordered_along_line_2
collinear_are_ordered_along_line_2_object() const
{ return Collinear_are_ordered_along_line_2(); }
Are_strictly_ordered_along_line_2
are_strictly_ordered_along_line_2_object() const
{ return Are_strictly_ordered_along_line_2(); }
Construct_segment_2
construct_segment_2_object() const
{ return Construct_segment_2(); }
Construct_ray_2
construct_ray_2_object() const
{ return Construct_ray_2(); }
};
}
#endif // VERTEX_VISIBILITY_TRAITS_2_H