// Created on: 1993-01-13
// Created by: CKY / Contract Toubro-Larsen ( Deepak PRABHU )
// Copyright (c) 1993-1999 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 _IGESDimen_WitnessLine_HeaderFile
#define _IGESDimen_WitnessLine_HeaderFile

#include "Standard.hxx"
#include "Standard_Type.hxx"

#include "Standard_Integer.hxx"
#include "gp_XY.hxx"
#include "NCollection_Array1.hxx"
#include "NCollection_HArray1.hxx"
#include "IGESData_IGESEntity.hxx"
class gp_Pnt;

//! defines WitnessLine, Type <106> Form <40>
//! in package IGESDimen
//! Contains one or more straight line segments associated
//! with drafting entities of various types
class IGESDimen_WitnessLine : public IGESData_IGESEntity
{

public:
  Standard_EXPORT IGESDimen_WitnessLine();

  //! This method is used to set the fields of the class
  //! WitnessLine
  //! - dataType   : Interpretation Flag, always = 1
  //! - aDispl     : Common z displacement
  //! - dataPoints : Data points
  Standard_EXPORT void Init(const int                                      dataType,
                            const double                                   aDisp,
                            const occ::handle<NCollection_HArray1<gp_XY>>& dataPoints);

  //! returns Interpretation Flag, always = 1
  Standard_EXPORT int Datatype() const;

  //! returns number of Data Points
  Standard_EXPORT int NbPoints() const;

  //! returns common Z displacement
  Standard_EXPORT double ZDisplacement() const;

  //! returns Index'th. data point
  //! raises exception if Index <= 0 or Index > NbPoints
  Standard_EXPORT gp_Pnt Point(const int Index) const;

  //! returns data point after Transformation.
  //! raises exception if Index <= 0 or Index > NbPoints
  Standard_EXPORT gp_Pnt TransformedPoint(const int Index) const;

  DEFINE_STANDARD_RTTIEXT(IGESDimen_WitnessLine, IGESData_IGESEntity)

private:
  int                                     theDatatype;
  double                                  theZDisplacement;
  occ::handle<NCollection_HArray1<gp_XY>> theDataPoints;
};

#endif // _IGESDimen_WitnessLine_HeaderFile