include/opencascade/IGESData_TransfEntity.hxx

0001 // Created on: 1992-04-07
0002 // Created by: Christian CAILLET
0003 // Copyright (c) 1992-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _IGESData_TransfEntity_HeaderFile
0018 #define _IGESData_TransfEntity_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <IGESData_IGESEntity.hxx>
0024 class gp_GTrsf;
0025
0026 //! defines required type for Transf in directory part
0027 //! an effective Transf entity must inherits it
0028 class IGESData_TransfEntity : public IGESData_IGESEntity
0029 {
0030
0031 public:
0032   //! gives value of the transformation, as a GTrsf
0033   //! To be defined by an effective class of Transformation Entity
0034   //! Warning : Must take in account Composition : if a TransfEntity has in
0035   //! its Directory Part, a Transf, this means that it is Compound,
0036   //! Value must return the global result
0037   Standard_EXPORT virtual gp_GTrsf Value() const = 0;
0038
0039   DEFINE_STANDARD_RTTIEXT(IGESData_TransfEntity, IGESData_IGESEntity)
0040 };
0041
0042 #endif // _IGESData_TransfEntity_HeaderFile