// Created on: 1998-02-18
// Created by: Jeanine PANCIATICI
// Copyright (c) 1998-1999 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 <Adaptor2d_HCurve2d.hxx>
#include <Adaptor3d_InterFunc.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Vec2d.hxx>
#include <Standard_ConstructionError.hxx>

Adaptor3d_InterFunc::Adaptor3d_InterFunc(const Handle(Adaptor2d_HCurve2d)& C, const Standard_Real FixVal, const Standard_Integer Fix) : myCurve2d(C),myFixVal(FixVal),myFix(Fix)
{
  if(Fix != 1 && Fix != 2 ) throw Standard_ConstructionError();

}

Standard_Boolean Adaptor3d_InterFunc::Value(const Standard_Real X , Standard_Real& F)
{
   gp_Pnt2d C;
   myCurve2d->D0(X,C);
   if(myFix == 1) 
      F=C.X()-myFixVal;
   else
      F=C.Y()-myFixVal;
 
   return Standard_True;
}
Standard_Boolean Adaptor3d_InterFunc::Derivative(const Standard_Real X , Standard_Real& D)
{
   Standard_Real F;
   return Values(X,F,D);
}
Standard_Boolean Adaptor3d_InterFunc::Values(const Standard_Real X , Standard_Real& F,Standard_Real& D)
{
    gp_Pnt2d C;
    gp_Vec2d DC;
    myCurve2d->D1(X,C,DC);
    if(myFix == 1) { 
      F=C.X()-myFixVal;
      D=DC.X();}
    else {
      F=C.Y()-myFixVal;
      D=DC.Y();}  
    return Standard_True;
}