// Created on: 1996-01-26
// Created by: Philippe MANGIN
// Copyright (c) 1996-1999 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.

#ifndef _FairCurve_BattenLaw_HeaderFile
#define _FairCurve_BattenLaw_HeaderFile

#include "Standard.hxx"
#include "Standard_DefineAlloc.hxx"
#include "Standard_Handle.hxx"

#include "Standard_Real.hxx"
#include "math_Function.hxx"
#include "Standard_Boolean.hxx"

//! This class compute the Heigth of an batten
class FairCurve_BattenLaw : public math_Function
{
public:
  DEFINE_STANDARD_ALLOC

  //! Constructor of linear batten with
  //! Heigth  : the Heigth at the middle point
  //! Slope   : the geometric slope of the batten
  //! Sliding : Active Length of the batten without extension
  Standard_EXPORT FairCurve_BattenLaw(const double Heigth,
                                      const double Slope,
                                      const double Sliding);

  //! Change the value of sliding
  void SetSliding(const double Sliding);

  //! Change the value of Heigth at the middle point.
  void SetHeigth(const double Heigth);

  //! Change the value of the geometric slope.
  void SetSlope(const double Slope);

  //! computes the value of the heigth for the parameter T
  //! on the neutral fibber
  bool Value(const double T, double& THeigth) override;

private:
  double MiddleHeigth;
  double GeometricSlope;
  double LengthSliding;
};

#include "FairCurve_BattenLaw.lxx"

#endif // _FairCurve_BattenLaw_HeaderFile