// Created on: 1994-04-05
// Created by: Didier PIFFAULT
// Copyright (c) 1994-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.


#include <BRepMesh_ComparatorOfIndexedVertexOfDelaun.ixx>
#include <BRepMesh_Vertex.hxx>

//=======================================================================
//function : BRepMesh_ComparatorOfIndexedVertexOfDelaun
//purpose  : 
//=======================================================================

BRepMesh_ComparatorOfIndexedVertexOfDelaun::BRepMesh_ComparatorOfIndexedVertexOfDelaun
(const gp_XY& theDir,
 const Standard_Real theTol,
 const Handle(BRepMesh_DataStructureOfDelaun)& HDS)
 :  IndexedStructure(HDS),DirectionOfSort(theDir), Tolerance(theTol)
{}

//=======================================================================
//function : IsLower
//purpose  : 
//=======================================================================

Standard_Boolean BRepMesh_ComparatorOfIndexedVertexOfDelaun::IsLower
(const Standard_Integer Left, const Standard_Integer Right) const
{
  return ((IndexedStructure->GetNode(Left).Coord()*DirectionOfSort) <
    (IndexedStructure->GetNode(Right).Coord()*DirectionOfSort));
}

//=======================================================================
//function : IsGreater
//purpose  : 
//=======================================================================

Standard_Boolean BRepMesh_ComparatorOfIndexedVertexOfDelaun::IsGreater
(const Standard_Integer Left, const Standard_Integer Right) const
{
  return ((IndexedStructure->GetNode(Left).Coord()*DirectionOfSort) >
    (IndexedStructure->GetNode(Right).Coord()*DirectionOfSort));
}

//=======================================================================
//function : IsEqual
//purpose  : 
//=======================================================================

Standard_Boolean BRepMesh_ComparatorOfIndexedVertexOfDelaun::IsEqual
(const Standard_Integer Left, const Standard_Integer Right) const
{
  return (IndexedStructure->GetNode(Left).Coord().IsEqual
    (IndexedStructure->GetNode(Right).Coord(), Tolerance));
}