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 // Created on: 2012-06-01
 // Created by: Eugeny MALTCHIKOV
 // 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_Builder_HeaderFile
 #define _BRepFeat_Builder_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 
 #include <BOPAlgo_BOP.hxx>
 #include <Standard_Integer.hxx>
 #include <TopTools_DataMapOfShapeShape.hxx>
 #include <TopTools_ListOfShape.hxx>
 #include <TopTools_MapOfShape.hxx>
 class TopoDS_Shape;
 class TopoDS_Face;
 
 
 //! Provides a basic tool to implement features topological
 //! operations. The main goal of the algorithm is to perform
 //! the result of the operation according to the
 //! kept parts of the tool.
 //! Input data: a) DS;
 //! b) The kept parts of the tool;
 //! If the map of the kept parts of the tool
 //! is not filled boolean operation of the
 //! given type will be performed;
 //! c) Operation required.
 //! Steps: a) Fill myShapes, myRemoved maps;
 //! b) Rebuild edges and faces;
 //! c) Build images of the object;
 //! d) Build the result of the operation.
 //! Result: Result shape of the operation required.
 class BRepFeat_Builder  : public BOPAlgo_BOP
 {
 public:
 
   DEFINE_STANDARD_ALLOC
 
   
   Standard_EXPORT BRepFeat_Builder();
 Standard_EXPORT virtual ~BRepFeat_Builder();
   
   //! Clears internal fields and arguments.
   Standard_EXPORT virtual void Clear() Standard_OVERRIDE;
   
   //! Initializes the object of local boolean operation.
   Standard_EXPORT void Init (const TopoDS_Shape& theShape);
   
   //! Initializes the arguments of local boolean operation.
   Standard_EXPORT void Init (const TopoDS_Shape& theShape, const TopoDS_Shape& theTool);
   
   //! Sets the operation of local boolean operation.
   //! If theFuse = 0 than the operation is CUT, otherwise FUSE.
   Standard_EXPORT void SetOperation (const Standard_Integer theFuse);
   
   //! Sets the operation of local boolean operation.
   //! If theFlag = TRUE it means that no selection of parts
   //! of the tool is needed, t.e. no second part. In that case
   //! if theFuse = 0 than operation is COMMON, otherwise CUT21.
   //! If theFlag = FALSE SetOperation(theFuse) function  is called.
   Standard_EXPORT void SetOperation (const Standard_Integer theFuse, const Standard_Boolean theFlag);
   
   //! Collects parts of the tool.
   Standard_EXPORT void PartsOfTool (TopTools_ListOfShape& theLT);
   
   //! Initializes parts of the tool for second step of algorithm.
   //! Collects shapes and all sub-shapes into myShapes map.
   Standard_EXPORT void KeepParts (const TopTools_ListOfShape& theIm);
   
   //! Adds shape theS and all its sub-shapes into myShapes map.
   Standard_EXPORT void KeepPart (const TopoDS_Shape& theS);
   
   //! Main function to build the result of the
   //! local operation required.
   Standard_EXPORT void PerformResult(const Message_ProgressRange& theRange = Message_ProgressRange());
   
   //! Rebuilds faces in accordance with the kept parts of the tool.
   Standard_EXPORT void RebuildFaces();
   
   //! Rebuilds edges in accordance with the kept parts of the tool.
   Standard_EXPORT void RebuildEdge (const TopoDS_Shape& theE, const TopoDS_Face& theF, const TopTools_MapOfShape& theME, TopTools_ListOfShape& aLEIm);
   
   //! Collects the images of the object, that contains in
   //! the images of the tool.
   Standard_EXPORT void CheckSolidImages();
   
   //! Collects the removed parts of the tool into myRemoved map.
   Standard_EXPORT void FillRemoved();
   
   //! Adds the shape S and its sub-shapes into myRemoved map.
   Standard_EXPORT void FillRemoved (const TopoDS_Shape& theS, TopTools_MapOfShape& theM);
 
 
 
 
 protected:
 
   //! Prepares builder of local operation.
   Standard_EXPORT virtual void Prepare() Standard_OVERRIDE;
   
   //! Function is redefined to avoid the usage of removed faces.
   Standard_EXPORT virtual void FillIn3DParts (TopTools_DataMapOfShapeShape& theDraftSolids,
                                               const Message_ProgressRange& theRange) Standard_OVERRIDE;
 
   //! Avoid the check for open solids and always use the splits
   //! of solids for building the result shape.
   virtual Standard_Boolean CheckArgsForOpenSolid() Standard_OVERRIDE
   {
     return Standard_False;
   }
 
 
   TopTools_MapOfShape myShapes;
   TopTools_MapOfShape myRemoved;
   Standard_Integer myFuse;
 
 
 private:
 
 
 
 
 
 };
 
 
 
 
 
 
 
 #endif // _BRepFeat_Builder_HeaderFile

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