56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
// Created on: 1997-02-05
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// Created by: Alexander BRIVIN
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Vrml_Instancing_HeaderFile
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#define _Vrml_Instancing_HeaderFile
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#include "Standard.hxx"
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#include "Standard_DefineAlloc.hxx"
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#include "Standard_Handle.hxx"
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#include "TCollection_AsciiString.hxx"
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#include "Standard_OStream.hxx"
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//! defines "instancing" - using the same instance of a node
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//! multiple times.
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//! It is accomplished by using the "DEF" and "USE" keywords.
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//! The DEF keyword both defines a named node, and creates a single
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//! instance of it.
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//! The USE keyword indicates that the most recently defined instance
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//! should be used again.
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//! If several nades were given the same name, then the last DEF
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//! encountered during parsing "wins".
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//! DEF/USE is limited to a single file.
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class Vrml_Instancing
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Adds "DEF <myName>" in anOStream (VRML file).
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Standard_EXPORT Vrml_Instancing(const TCollection_AsciiString& aString);
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//! Adds "USE <myName>" in anOStream (VRML file).
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Standard_EXPORT Standard_OStream& DEF(Standard_OStream& anOStream) const;
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Standard_EXPORT Standard_OStream& USE(Standard_OStream& anOStream) const;
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protected:
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private:
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TCollection_AsciiString myName;
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};
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#endif // _Vrml_Instancing_HeaderFile
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