// 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_Pnt.hxx>
#include <gp_Trsf.hxx>
#include <Vrml_MatrixTransform.hxx>

Vrml_MatrixTransform::Vrml_MatrixTransform()
{
  //  SetValues(me : in out;
  //    	        a11, a12, a13, a14,
  //	        a21, a22, a23, a24,
  //	        a31, a32, a33, a34 : Real;
  //	     Tolang, TolDist : Real)

  gp_Trsf T;
  T.SetValues(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0);
  T.SetScaleFactor(1);

  myMatrix = T;
}

Vrml_MatrixTransform::Vrml_MatrixTransform(const gp_Trsf& aMatrix)
{
  myMatrix = aMatrix;
}

void Vrml_MatrixTransform::SetMatrix(const gp_Trsf& aMatrix)
{
  myMatrix = aMatrix;
}

gp_Trsf Vrml_MatrixTransform::Matrix() const
{
  return myMatrix;
}

Standard_OStream& Vrml_MatrixTransform::Print(Standard_OStream& anOStream) const
{
  Standard_Integer i, j;
  anOStream << "MatrixTransform {\n";

  if (Abs(myMatrix.Value(1, 1) - 1) > 0.0000001 || Abs(myMatrix.Value(2, 1) - 0) > 0.0000001
      || Abs(myMatrix.Value(3, 1) - 0) > 0.0000001 || Abs(myMatrix.Value(1, 2) - 0) > 0.0000001
      || Abs(myMatrix.Value(2, 2) - 1) > 0.0000001 || Abs(myMatrix.Value(3, 2) - 0) > 0.0000001
      || Abs(myMatrix.Value(1, 3) - 0) > 0.0000001 || Abs(myMatrix.Value(2, 3) - 0) > 0.0000001
      || Abs(myMatrix.Value(3, 3) - 1) > 0.0000001 || Abs(myMatrix.Value(1, 4) - 0) > 0.0000001
      || Abs(myMatrix.Value(2, 4) - 0) > 0.0000001 || Abs(myMatrix.Value(3, 4) - 0) > 0.0000001)
  {
    anOStream << "    matrix\t";

    for (j = 1; j <= 4; j++)
    {
      for (i = 1; i <= 3; i++)
      {
        //  Value (me; Row, Col : Integer)   returns Real
        anOStream << myMatrix.Value(i, j) << ' ';
      }
      if (j != 4)
      {
        anOStream << "0\n";
        anOStream << "\t\t";
      }
      else
      {
        anOStream << myMatrix.ScaleFactor() << "\n";
      }
    }
  }
  anOStream << "}\n";
  return anOStream;
}