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

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

#include "IGESData_IGESEntity.hxx"
class IGESGeom_Point;
class IGESGeom_Direction;

//! defines PlaneSurface, Type <190> Form Number <0,1>
//! in package IGESSolid
//! A plane surface entity is defined by a point on the
//! surface and a normal to it.
class IGESSolid_PlaneSurface : public IGESData_IGESEntity
{

public:
  Standard_EXPORT IGESSolid_PlaneSurface();

  //! This method is used to set the fields of the class
  //! PlaneSurface
  //! - aLocation : the point on the surface
  //! - aNormal   : the surface normal direction
  //! - refdir    : the reference direction (default NULL) for
  //! unparameterised curves
  Standard_EXPORT void Init(const occ::handle<IGESGeom_Point>&     aLocation,
                            const occ::handle<IGESGeom_Direction>& aNormal,
                            const occ::handle<IGESGeom_Direction>& refdir);

  //! returns the point on the surface
  Standard_EXPORT occ::handle<IGESGeom_Point> LocationPoint() const;

  //! returns the normal to the surface
  Standard_EXPORT occ::handle<IGESGeom_Direction> Normal() const;

  //! returns the reference direction (for parameterised curve)
  //! returns NULL for unparameterised curve
  Standard_EXPORT occ::handle<IGESGeom_Direction> ReferenceDir() const;

  //! returns True if parameterised, else False
  Standard_EXPORT bool IsParametrised() const;

  DEFINE_STANDARD_RTTIEXT(IGESSolid_PlaneSurface, IGESData_IGESEntity)

private:
  occ::handle<IGESGeom_Point>     theLocationPoint;
  occ::handle<IGESGeom_Direction> theNormal;
  occ::handle<IGESGeom_Direction> theRefDir;
};

#endif // _IGESSolid_PlaneSurface_HeaderFile