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 // Created on: 1996-03-08
 // Created by: Jacques GOUSSARD
 // Copyright (c) 1996-1999 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 _BRepFeat_Gluer_HeaderFile
 #define _BRepFeat_Gluer_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 #include <Standard_Handle.hxx>
 
 #include <LocOpe_Gluer.hxx>
 #include <BRepBuilderAPI_MakeShape.hxx>
 #include <LocOpe_Operation.hxx>
 #include <TopTools_ListOfShape.hxx>
 class TopoDS_Shape;
 class TopoDS_Face;
 class TopoDS_Edge;
 
 
 //! One of the most significant aspects
 //! of BRepFeat functionality is the use of local operations as opposed
 //! to global ones. In a global operation, you would first
 //! construct a form of the type you wanted in your final feature, and
 //! then remove matter so that it could fit into your initial basis object.
 //! In a local operation, however, you specify the domain of the feature
 //! construction with aspects of the shape on which the feature is being
 //! created. These semantics are expressed in terms of a member
 //! shape of the basis shape from which - or up to which - matter will be
 //! added or removed. As a result, local operations make calculations
 //! simpler and faster than global operations.
 //! Glueing uses wires or edges of a face in the basis shape. These are
 //! to become a part of the feature. They are first cut out and then
 //! projected to a plane outside or inside the basis shape. By
 //! rebuilding the initial shape incorporating the edges and the
 //! faces of the tool, protrusion features can be constructed.
 class BRepFeat_Gluer  : public BRepBuilderAPI_MakeShape
 {
 public:
 
   DEFINE_STANDARD_ALLOC
 
   
   //! Initializes an empty constructor
     BRepFeat_Gluer();
   
   //! Initializes the shapes to be glued, the new shape
   //! Snew and the basis shape Sbase.
     BRepFeat_Gluer(const TopoDS_Shape& Snew, const TopoDS_Shape& Sbase);
   
   //! Initializes the new shape Snew and the basis shape
   //! Sbase for the local glueing operation.
     void Init (const TopoDS_Shape& Snew, const TopoDS_Shape& Sbase);
   
   //! Defines a contact between Fnew on the new shape
   //! Snew and Fbase on the basis shape Sbase. Informs
   //! other methods that Fnew in the new shape Snew is
   //! connected to the face Fbase in the basis shape Sbase.
   //! The contact faces of the glued shape must not have
   //! parts outside the contact faces of the basis shape.
   //! This indicates that glueing is possible.
     void Bind (const TopoDS_Face& Fnew, const TopoDS_Face& Fbase);
   
   //! nforms other methods that the edge Enew in the new
   //! shape is the same as the edge Ebase in the basis
   //! shape and is therefore attached to the basis shape. This
   //! indicates that glueing is possible.
     void Bind (const TopoDS_Edge& Enew, const TopoDS_Edge& Ebase);
   
   //! Determine which operation type to use glueing or sliding.
     LocOpe_Operation OpeType() const;
   
   //! Returns the basis shape of the compound shape.
     const TopoDS_Shape& BasisShape() const;
   
   //! Returns the resulting compound shape.
     const TopoDS_Shape& GluedShape() const;
   
   //! This is  called by  Shape().  It does  nothing but
   //! may be redefined.
   Standard_EXPORT virtual void Build(const Message_ProgressRange& theRange = Message_ProgressRange()) Standard_OVERRIDE;
   
   //! returns the status of the Face after
   //! the shape creation.
   Standard_EXPORT virtual Standard_Boolean IsDeleted (const TopoDS_Shape& F) Standard_OVERRIDE;
   
   //! returns the list of generated Faces.
   Standard_EXPORT virtual const TopTools_ListOfShape& Modified (const TopoDS_Shape& F) Standard_OVERRIDE;
 
 
 
 
 protected:
 
 
 
 
 
 private:
 
 
 
   LocOpe_Gluer myGluer;
 
 
 };
 
 
 #include <BRepFeat_Gluer.lxx>
 
 
 
 
 
 #endif // _BRepFeat_Gluer_HeaderFile

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