// Created on: 1993-01-09
// Created by: CKY / Contract Toubro-Larsen ( Kiran )
// 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 _IGESGeom_SurfaceOfRevolution_HeaderFile
#define _IGESGeom_SurfaceOfRevolution_HeaderFile

#include <Standard.hxx>
#include <Standard_Type.hxx>

#include <Standard_Real.hxx>
#include <IGESData_IGESEntity.hxx>
class IGESGeom_Line;
class IGESData_IGESEntity;


class IGESGeom_SurfaceOfRevolution;
DEFINE_STANDARD_HANDLE(IGESGeom_SurfaceOfRevolution, IGESData_IGESEntity)

//! defines IGESSurfaceOfRevolution, Type <120> Form <0>
//! in package IGESGeom
//! A surface of revolution is defined by an axis of rotation
//! a generatrix, and start and terminate rotation angles. The
//! surface is created by rotating the generatrix about the axis
//! of rotation through the start and terminate rotation angles.
class IGESGeom_SurfaceOfRevolution : public IGESData_IGESEntity
{

public:

  
  Standard_EXPORT IGESGeom_SurfaceOfRevolution();
  
  //! This method is used to set the fields of the class Line
  //! - anAxis      : Axis of revolution
  //! - aGeneratrix : The curve which is revolved about the axis
  //! - aStartAngle : Start angle of the surface of revolution
  //! - anEndAngle  : End angle of the surface of revolution
  Standard_EXPORT void Init (const Handle(IGESGeom_Line)& anAxis, const Handle(IGESData_IGESEntity)& aGeneratrix, const Standard_Real aStartAngle, const Standard_Real anEndAngle);
  
  //! returns the axis of revolution
  Standard_EXPORT Handle(IGESGeom_Line) AxisOfRevolution() const;
  
  //! returns the curve which is revolved about the axis
  Standard_EXPORT Handle(IGESData_IGESEntity) Generatrix() const;
  
  //! returns start angle of revolution
  Standard_EXPORT Standard_Real StartAngle() const;
  
  //! returns end angle of revolution
  Standard_EXPORT Standard_Real EndAngle() const;




  DEFINE_STANDARD_RTTIEXT(IGESGeom_SurfaceOfRevolution,IGESData_IGESEntity)

protected:




private:


  Handle(IGESGeom_Line) theLine;
  Handle(IGESData_IGESEntity) theGeneratrix;
  Standard_Real theStartAngle;
  Standard_Real theEndAngle;


};







#endif // _IGESGeom_SurfaceOfRevolution_HeaderFile
