include/opencascade/TDF_DeltaOnAddition.hxx

0001 // Created by: DAUTRY Philippe
0002 // Copyright (c) 1997-1999 Matra Datavision
0003 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0004 //
0005 // This file is part of Open CASCADE Technology software library.
0006 //
0007 // This library is free software; you can redistribute it and/or modify it under
0008 // the terms of the GNU Lesser General Public License version 2.1 as published
0009 // by the Free Software Foundation, with special exception defined in the file
0010 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0011 // distribution for complete text of the license and disclaimer of any warranty.
0012 //
0013 // Alternatively, this file may be used under the terms of Open CASCADE
0014 // commercial license or contractual agreement.
0015
0016 #ifndef _TDF_DeltaOnAddition_HeaderFile
0017 #define _TDF_DeltaOnAddition_HeaderFile
0018
0019 #include <Standard.hxx>
0020 #include <Standard_Type.hxx>
0021
0022 #include <TDF_AttributeDelta.hxx>
0023 class TDF_Attribute;
0024
0025 //! This class provides default services for an
0026 //! AttributeDelta on an ADDITION action.
0027 //!
0028 //! Applying this AttributeDelta means REMOVING its
0029 //! attribute.
0030 class TDF_DeltaOnAddition : public TDF_AttributeDelta
0031 {
0032
0033 public:
0034   //! Creates a TDF_DeltaOnAddition.
0035   Standard_EXPORT TDF_DeltaOnAddition(const occ::handle<TDF_Attribute>& anAtt);
0036
0037   //! Applies the delta to the attribute.
0038   Standard_EXPORT void Apply() override;
0039
0040   DEFINE_STANDARD_RTTIEXT(TDF_DeltaOnAddition, TDF_AttributeDelta)
0041 };
0042
0043 #endif // _TDF_DeltaOnAddition_HeaderFile