//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
//
//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
// File:      ShHealOper_ChangeOrientation.cxx
// Created:   11.07.06 11:46:45
// Author:    Sergey KUUL
//
#include <ShHealOper_ChangeOrientation.hxx>

#include <BRep_Builder.hxx>
#include <TopoDS_Iterator.hxx>

//=======================================================================
//function : ShHealOper_ChangeOrientation()
//purpose  : Constructor
//=======================================================================

ShHealOper_ChangeOrientation::ShHealOper_ChangeOrientation ( const TopoDS_Shape& theShape )
{
  Init(theShape);
}

//=======================================================================
//function : Init
//purpose  : 
//=======================================================================

void ShHealOper_ChangeOrientation::Init(const TopoDS_Shape& theShape)
{
  ShHealOper_Tool::Init(theShape);
}

//=======================================================================
//function : Perform
//purpose  : 
//=======================================================================

Standard_Boolean ShHealOper_ChangeOrientation::Perform()
{
  BRep_Builder B;
  if (myInitShape.ShapeType() == TopAbs_SHELL) {
    myResultShape = myInitShape.EmptyCopied();
    TopoDS_Iterator itr(myInitShape);
    while (itr.More()) {
      B.Add(myResultShape,itr.Value().Reversed());
      itr.Next();
    }
  }
  else if (myInitShape.ShapeType() == TopAbs_FACE) {
    myResultShape = myInitShape.EmptyCopied();
    TopoDS_Iterator itr(myInitShape);
    while (itr.More()) {
      B.Add(myResultShape,itr.Value());
      itr.Next();
    }
    myResultShape.Reverse();
  }
  else if (myInitShape.ShapeType() == TopAbs_WIRE) {
    myResultShape = myInitShape.Reversed();
  }
  else if (myInitShape.ShapeType() == TopAbs_EDGE) {
    myResultShape = myInitShape.Reversed();
  }
  else {
    return false;
  }

  return true;

}