// 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 <Standard_Type.hxx>
#include <Vrml_Normal.hxx>

IMPLEMENT_STANDARD_RTTIEXT(Vrml_Normal, Standard_Transient)

Vrml_Normal::Vrml_Normal(const occ::handle<NCollection_HArray1<gp_Vec>>& aVector)
{
  myVector = aVector;
}

Vrml_Normal::Vrml_Normal()
{
  gp_Vec Tmp_Vec;
  myVector = new NCollection_HArray1<gp_Vec>(1, 1);

  Tmp_Vec.SetX(0);
  Tmp_Vec.SetY(0);
  Tmp_Vec.SetZ(1);
  myVector->SetValue(1, Tmp_Vec);
}

void Vrml_Normal::SetVector(const occ::handle<NCollection_HArray1<gp_Vec>>& aVector)
{
  myVector = aVector;
}

occ::handle<NCollection_HArray1<gp_Vec>> Vrml_Normal::Vector() const
{
  return myVector;
}

Standard_OStream& Vrml_Normal::Print(Standard_OStream& anOStream) const
{
  int i;

  anOStream << "Normal {\n";
  i = myVector->Lower();
  if (myVector->Length() == 1 && std::abs(myVector->Value(i).X() - 0) < 0.0001
      && std::abs(myVector->Value(i).Y() - 0) < 0.0001
      && std::abs(myVector->Value(i).Z() - 1) < 0.0001)
  {
    anOStream << "}\n";
    return anOStream;
  }
  else
  {
    anOStream << "    vector [\n\t";
    for (i = myVector->Lower(); i <= myVector->Upper(); i++)
    {
      anOStream << myVector->Value(i).X() << " " << myVector->Value(i).Y() << " "
                << myVector->Value(i).Z();
      if (i < myVector->Length())
        anOStream << ",\n\t";
    }
    anOStream << " ]\n";
  }
  anOStream << "}\n";

  return anOStream;
}
