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 // Created on: 1995-09-04
 // Created by: Jacques GOUSSARD
 // Copyright (c) 1995-1999 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_SplitShape_HeaderFile
 #define _BRepFeat_SplitShape_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 #include <Standard_Handle.hxx>
 
 #include <LocOpe_Spliter.hxx>
 #include <BRepBuilderAPI_MakeShape.hxx>
 #include <TopTools_ListOfShape.hxx>
 #include <TopTools_SequenceOfShape.hxx>
 
 class LocOpe_WiresOnShape;
 class TopoDS_Shape;
 class TopoDS_Wire;
 class TopoDS_Face;
 class TopoDS_Edge;
 class TopoDS_Compound;
 
 
 //! 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.
 //! In BRepFeat, the semantics of local operations define features constructed from a contour or a
 //! part of the basis shape referred to as the tool. In a SplitShape object, wires or edges of a
 //! face in the basis shape to be used as a part of the feature are cut out and 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 or depression features can be constructed.
 class BRepFeat_SplitShape  : public BRepBuilderAPI_MakeShape
 {
 public:
 
   DEFINE_STANDARD_ALLOC
 
   
   //! Empty constructor
     BRepFeat_SplitShape();
   
   //! Creates the process  with the shape <S>.
   BRepFeat_SplitShape(const TopoDS_Shape& S);
 
   //! Add splitting edges or wires for whole initial shape
   //! without additional specification edge->face, edge->edge
   //! This method puts edge on the corresponding faces from initial shape
   Standard_Boolean Add(const TopTools_SequenceOfShape& theEdges);
   
   //! Initializes the process on the shape <S>.
     void Init (const TopoDS_Shape& S);
   
   //! Set the flag of check internal intersections
   //! default value is True (to check)
     void SetCheckInterior (const Standard_Boolean ToCheckInterior);
   
   //! Adds the wire <W> on the face <F>.
   //! Raises NoSuchObject  if <F> does not belong to the original shape.
     void Add (const TopoDS_Wire& W, const TopoDS_Face& F);
   
   //! Adds the edge <E> on the face <F>.
     void Add (const TopoDS_Edge& E, const TopoDS_Face& F);
   
   //! Adds the compound <Comp> on the face <F>. The
   //! compound <Comp> must consist of edges lying on the
   //! face <F>. If edges are geometrically connected,
   //! they must be connected topologically, i.e. they
   //! must share common vertices.
   //!
   //! Raises NoSuchObject  if <F> does not belong to the original shape.
     void Add (const TopoDS_Compound& Comp, const TopoDS_Face& F);
   
   //! Adds the edge <E> on the existing edge <EOn>.
     void Add (const TopoDS_Edge& E, const TopoDS_Edge& EOn);
   
   //! Returns  the faces   which  are the  left of   the
   //! projected wires.
   Standard_EXPORT const TopTools_ListOfShape& DirectLeft() const;
   
   //! Returns the faces of the "left" part on the shape.
   //! (It  is build   from  DirectLeft,  with  the faces
   //! connected to this set, and so on...).
   //! Raises NotDone if IsDone returns <Standard_False>.
   Standard_EXPORT const TopTools_ListOfShape& Left() const;
   
   //! Returns the faces of the "right" part on the shape.
   Standard_EXPORT const TopTools_ListOfShape& Right() const;
   
   //! Builds the cut and the resulting faces and edges as well.
   Standard_EXPORT void Build(const Message_ProgressRange& theRange = Message_ProgressRange()) Standard_OVERRIDE;
   
   //! Returns true if the shape has been deleted.
   Standard_EXPORT virtual Standard_Boolean IsDeleted (const TopoDS_Shape& S) Standard_OVERRIDE;
   
   //! Returns the list of generated Faces.
   Standard_EXPORT const TopTools_ListOfShape& Modified (const TopoDS_Shape& F) Standard_OVERRIDE;
 
 
 
 
 protected:
 
 
 
 
 
 private:
 
 
 
   LocOpe_Spliter mySShape;
   Handle(LocOpe_WiresOnShape) myWOnShape;
 
   mutable TopTools_ListOfShape myRight;
 
 
 };
 
 
 #include <BRepFeat_SplitShape.lxx>
 
 
 
 
 
 #endif // _BRepFeat_SplitShape_HeaderFile

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