0030480: Visualization - Clear of Select3D_SensitiveGroup does not update internal...

[occt.git] / src / Hatch / Hatch_Line.cxx

// Created on: 1992-08-19
// Created by: Modelistation
// Copyright (c) 1992-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.


#include <gp_Lin2d.hxx>
#include <Hatch_Hatcher.hxx>
#include <Hatch_Line.hxx>
#include <Hatch_Parameter.hxx>

//=======================================================================
//function : Hatch_Line
//purpose  : 
//=======================================================================
Hatch_Line::Hatch_Line()
{
}

//=======================================================================
//function : Hatch_Line
//purpose  : 
//=======================================================================

Hatch_Line::Hatch_Line(const gp_Lin2d& L, 
		       const Hatch_LineForm T) :
       myLin(L),
       myForm(T)
{
}

//=======================================================================
//function : AddIntersection
//purpose  : 
//=======================================================================

void  Hatch_Line::AddIntersection
  (const Standard_Real Par1, 
   const Standard_Boolean Start,
   const Standard_Integer Index,
   const Standard_Real Par2,
   const Standard_Real theToler)
{
  Hatch_Parameter P(Par1,Start,Index,Par2);
  Standard_Integer i;
  for (i = 1; i <= myInters.Length(); i++) {
    Standard_Real dfIntPar1 = myInters(i).myPar1;
    // akm OCC109 vvv : Two intersections too close
    if (Abs(Par1-dfIntPar1) < theToler)
    {
      myInters.Remove(i);
      return;
    }
    // akm OCC109 ^^^
    if (Par1 < dfIntPar1) {
      myInters.InsertBefore(i,P);
      return;
    }
  }
  myInters.Append(P);
}