// Created on: 1992-10-02
// Created by: Remi GILET
// 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 <ElCLib.hxx>
#include <GCE2d_MakeArcOfEllipse.hxx>
#include <Geom2d_Ellipse.hxx>
#include <Geom2d_TrimmedCurve.hxx>
#include <gp_Elips2d.hxx>
#include <gp_Pnt2d.hxx>
#include <StdFail_NotDone.hxx>

GCE2d_MakeArcOfEllipse::GCE2d_MakeArcOfEllipse(const gp_Elips2d&      Elips ,
					       const gp_Pnt2d&        P1    ,
					       const gp_Pnt2d&        P2    ,
					       const Standard_Boolean Sense ) 
{
  Standard_Real Alpha1 = ElCLib::Parameter(Elips,P1);
  Standard_Real Alpha2 = ElCLib::Parameter(Elips,P2);
  Handle(Geom2d_Ellipse) E = new Geom2d_Ellipse(Elips);
  TheArc = new Geom2d_TrimmedCurve(E,Alpha1,Alpha2,Sense);
  TheError = gce_Done;
}

GCE2d_MakeArcOfEllipse::GCE2d_MakeArcOfEllipse(const gp_Elips2d&      Elips ,
					       const gp_Pnt2d&        P     ,
					       const Standard_Real    Alpha ,
					       const Standard_Boolean Sense ) 
{
  Standard_Real Alphafirst = ElCLib::Parameter(Elips,P);
  Handle(Geom2d_Ellipse) E = new Geom2d_Ellipse(Elips);
  TheArc = new Geom2d_TrimmedCurve(E,Alphafirst,Alpha,Sense);
  TheError = gce_Done;
}

GCE2d_MakeArcOfEllipse::GCE2d_MakeArcOfEllipse(const gp_Elips2d&      Elips  ,
					       const Standard_Real    Alpha1 ,
					       const Standard_Real    Alpha2 ,
					       const Standard_Boolean Sense  ) 
{
  Handle(Geom2d_Ellipse) E = new Geom2d_Ellipse(Elips);
  TheArc = new Geom2d_TrimmedCurve(E,Alpha1,Alpha2,Sense);
  TheError = gce_Done;
}

const Handle(Geom2d_TrimmedCurve)& GCE2d_MakeArcOfEllipse::Value() const
{ 
  StdFail_NotDone_Raise_if (TheError != gce_Done,
                            "GCE2d_MakeArcOfEllipse::Value() - no result");
  return TheArc;
}