// File:	Extrema_GLocateExtCC2d.gxx
// Created:	Wed Jul  6 15:53:42 1994
// Author:	Laurent PAINNOT
//		<lpa@metrox>

#include Extrema_ELCC2d_hxx
#include Extrema_LocECC2d_hxx
#include <GeomAbs_CurveType.hxx>
#include <StdFail_NotDone.hxx>
#include <Extrema_POnCurv2d.hxx>
#include <Precision.hxx>


//=======================================================================
//function : Extrema_GLocateExtCC2d
//purpose  : 
//=======================================================================

Extrema_GLocateExtCC2d::Extrema_GLocateExtCC2d (const Curve1&       C1,
						const Curve2&       C2,
						const Standard_Real U0,
						const Standard_Real V0)
{
#ifdef DEB
  GeomAbs_CurveType type1 = Tool1::GetType(C1);
  GeomAbs_CurveType type2 = Tool2::GetType(C2);
#else
  Tool1::GetType(C1);
  Tool2::GetType(C2);
#endif
  Standard_Real TolU = Tool1::Resolution(C1, Precision::Confusion());
  Standard_Real TolV = Tool2::Resolution(C2, Precision::Confusion());
  Extrema_POnCurv2d P1, P2;

  // Non implemente pour l instant: l appel a Geom2dExtrema_ExtCC.


  Extrema_LocECC2d Xtrem(C1, C2, U0, V0, TolU, TolV);	
  // Exploitation

  myDone = Xtrem.IsDone();
  if (Xtrem.IsDone()) {
    mySqDist = Xtrem.SquareDistance();
    Xtrem.Point(P1, P2);
    myPoint1 = P1;
    myPoint2 = P2;
  }

}




//=======================================================================
//function : IsDone
//purpose  : 
//=======================================================================

Standard_Boolean Extrema_GLocateExtCC2d::IsDone () const {

  return myDone;
}


//=======================================================================
//function : Value
//purpose  : 
//=======================================================================

Standard_Real Extrema_GLocateExtCC2d::SquareDistance() const {

  if (!myDone) { StdFail_NotDone::Raise(); }
  return mySqDist;
}



//=======================================================================
//function : Point
//purpose  : 
//=======================================================================

void Extrema_GLocateExtCC2d::Point (Extrema_POnCurv2d& P1, 
				    Extrema_POnCurv2d& P2) const 
{
  if (!myDone) { StdFail_NotDone::Raise(); }
  P1 = myPoint1;
  P2 = myPoint2;
}