// Created on: 1991-01-21
// Created by: Christophe MARION
// Copyright (c) 1991-1999 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 _TopLoc_ItemLocation_HeaderFile
#define _TopLoc_ItemLocation_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>

#include <Standard_Integer.hxx>
#include <Standard_OStream.hxx>
#include <gp_Trsf.hxx>
class TopLoc_Datum3D;
class TopLoc_Location;
class TopLoc_SListOfItemLocation;


//! An ItemLocation is an elementary coordinate system
//! in a Location.
//!
//! The  ItemLocation     contains :
//!
//! * The elementary Datum.
//!
//! * The exponent of the elementary Datum.
//!
//! * The transformation associated to the composition.
class TopLoc_ItemLocation 
{
public:

  DEFINE_STANDARD_ALLOC

  
  //! Sets the elementary Datum to <D>
  //! Sets the exponent to <P>
  Standard_EXPORT TopLoc_ItemLocation(const Handle(TopLoc_Datum3D)& D, const Standard_Integer P);

  //! Dumps the content of me into the stream
  Standard_EXPORT void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const;


friend class TopLoc_Location;
friend class TopLoc_SListOfItemLocation;


protected:





private:



  Handle(TopLoc_Datum3D) myDatum;
  Standard_Integer myPower;
  gp_Trsf myTrsf;


};







#endif // _TopLoc_ItemLocation_HeaderFile
