0029915: Porting to VC 2017 : Regressions in Modeling Algorithms on VC 2017

[occt.git] / src / BRep / BRep_TEdge.cxx

// Created on: 1992-08-25
// 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 <BRep_CurveOn2Surfaces.hxx>
#include <BRep_CurveRepresentation.hxx>
#include <BRep_GCurve.hxx>
#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
#include <BRep_ListOfCurveRepresentation.hxx>
#include <BRep_TEdge.hxx>
#include <Standard_Type.hxx>
#include <TopAbs.hxx>
#include <TopoDS_Shape.hxx>

IMPLEMENT_STANDARD_RTTIEXT(BRep_TEdge,TopoDS_TEdge)

static const Standard_Integer ParameterMask       = 1;
static const Standard_Integer RangeMask           = 2;
static const Standard_Integer DegeneratedMask     = 4;

//=======================================================================
//function : BRep_TEdge
//purpose  : 
//=======================================================================

BRep_TEdge::BRep_TEdge() :
       TopoDS_TEdge(),
       myTolerance(RealEpsilon()),
       myFlags(0)
{
  SameParameter(Standard_True);
  SameRange(Standard_True);
}

//=======================================================================
//function : SameParameter
//purpose  : 
//=======================================================================

Standard_Boolean BRep_TEdge::SameParameter() const
{
  return (myFlags & ParameterMask) != 0;
}


//=======================================================================
//function : SameParameter
//purpose  : 
//=======================================================================

 void  BRep_TEdge::SameParameter(const Standard_Boolean S)
{
  if (S) myFlags |= ParameterMask;
  else   myFlags &= ~ParameterMask;
}


//=======================================================================
//function : SameRange
//purpose  : 
//=======================================================================

Standard_Boolean BRep_TEdge::SameRange() const
{
  return (myFlags & RangeMask) != 0;
}

//=======================================================================
//function : SameRange
//purpose  : 
//=======================================================================

 void  BRep_TEdge::SameRange(const Standard_Boolean S)
{
  if (S) myFlags |= RangeMask;
  else   myFlags &= ~RangeMask;
}


//=======================================================================
//function : Degenerated
//purpose  : 
//=======================================================================

Standard_Boolean BRep_TEdge::Degenerated() const
{
  return (myFlags & DegeneratedMask) != 0;
}

//=======================================================================
//function : Degenerated
//purpose  : 
//=======================================================================

 void  BRep_TEdge::Degenerated(const Standard_Boolean S)
{
  if (S) myFlags |= DegeneratedMask; 
  else   myFlags &= ~DegeneratedMask;
}

//=======================================================================
//function : EmptyCopy
//purpose  : 
//=======================================================================

Handle(TopoDS_TShape) BRep_TEdge::EmptyCopy() const
{
  Handle(BRep_TEdge) TE = 
    new BRep_TEdge();
  TE->Tolerance(myTolerance);
  // copy the curves representations
  BRep_ListOfCurveRepresentation& l = TE->ChangeCurves();
  BRep_ListIteratorOfListOfCurveRepresentation itr(myCurves);
  
  while (itr.More()) {
    // on ne recopie PAS les polygones
    if ( itr.Value()->IsKind(STANDARD_TYPE(BRep_GCurve)) ||
         itr.Value()->IsKind(STANDARD_TYPE(BRep_CurveOn2Surfaces)) ) {
      l.Append(itr.Value()->Copy());
    }
    itr.Next();
  }

  TE->Degenerated(Degenerated());
  TE->SameParameter(SameParameter());
  TE->SameRange(SameRange());
  
  return TE;
}