// 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 <GC_MakeArcOfEllipse.hxx>
#include <Geom_Ellipse.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <gp_Elips.hxx>
#include <gp_Pnt.hxx>
#include <StdFail_NotDone.hxx>

GC_MakeArcOfEllipse::GC_MakeArcOfEllipse(const gp_Elips& Elips   ,
					   const gp_Pnt&    P1   ,
					   const gp_Pnt&    P2   ,
					   const Standard_Boolean  Sense  ) 
{
  Standard_Real Alpha1 = ElCLib::Parameter(Elips,P1);
  Standard_Real Alpha2 = ElCLib::Parameter(Elips,P2);
  Handle(Geom_Ellipse) E = new Geom_Ellipse(Elips);
  TheArc = new Geom_TrimmedCurve(E,Alpha1,Alpha2,Sense);
  TheError = gce_Done;
}

GC_MakeArcOfEllipse::GC_MakeArcOfEllipse(const gp_Elips& Elips   ,
					   const gp_Pnt&   P     ,
					   const Standard_Real      Alpha ,
					   const Standard_Boolean   Sense ) 
{
  Standard_Real Alphafirst = ElCLib::Parameter(Elips,P);
  Handle(Geom_Ellipse) E = new Geom_Ellipse(Elips);
  TheArc = new Geom_TrimmedCurve(E,Alphafirst,Alpha,Sense);
  TheError = gce_Done;
}

GC_MakeArcOfEllipse::GC_MakeArcOfEllipse(const gp_Elips& Elips   ,
					   const Standard_Real     Alpha1 ,
					   const Standard_Real     Alpha2 ,
					   const Standard_Boolean  Sense  ) 
{
  Handle(Geom_Ellipse) E = new Geom_Ellipse(Elips);
  TheArc = new Geom_TrimmedCurve(E,Alpha1,Alpha2,Sense);
  TheError = gce_Done;
}

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