File: BRepLib_FuseEdges.hxx

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// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _BRepLib_FuseEdges_HeaderFile
#define _BRepLib_FuseEdges_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>

#include <TopoDS_Shape.hxx>
#include <Standard_Boolean.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopTools_DataMapOfIntegerListOfShape.hxx>
#include <TopTools_DataMapOfIntegerShape.hxx>
#include <TopTools_DataMapOfShapeShape.hxx>
#include <Standard_Integer.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopAbs_ShapeEnum.hxx>
class Standard_ConstructionError;
class Standard_NullObject;
class TopoDS_Shape;
class TopTools_IndexedMapOfShape;
class TopTools_DataMapOfIntegerListOfShape;
class TopTools_DataMapOfIntegerShape;
class TopTools_DataMapOfShapeShape;
class TopTools_IndexedDataMapOfShapeListOfShape;
class TopTools_MapOfShape;
class TopTools_ListOfShape;
class TopoDS_Vertex;
class TopoDS_Edge;


//! This class can detect  vertices in a face that can
//! be considered useless and then perform the fuse of
//! the  edges and remove  the  useless vertices.  By
//! useles vertices,  we mean :
//! * vertices that  have  exactly two connex edges
//! * the edges connex to the vertex must have
//! exactly the same 2 connex faces .
//! * The edges connex to the vertex must have the
//! same geometric support.
class BRepLib_FuseEdges 
{
public:

  DEFINE_STANDARD_ALLOC

  
  //! Initialise members  and build  construction of map
  //! of ancestors.
  Standard_EXPORT BRepLib_FuseEdges(const TopoDS_Shape& theShape, const Standard_Boolean PerformNow = Standard_False);
  
  //! set edges to avoid being fused
  Standard_EXPORT   void AvoidEdges (const TopTools_IndexedMapOfShape& theMapEdg) ;
  
  //! set mode to enable concatenation G1 BSpline edges in one
  //! End  Modified  by  IFV  19.04.07
  Standard_EXPORT   void SetConcatBSpl (const Standard_Boolean theConcatBSpl = Standard_True) ;
  
  //! returns  all the list of edges to be fused
  //! each list of the map represent a set of connex edges
  //! that can be fused.
  Standard_EXPORT   void Edges (TopTools_DataMapOfIntegerListOfShape& theMapLstEdg) ;
  
  //! returns all the fused edges. each integer entry in
  //! the   map  corresponds  to  the  integer   in the
  //! DataMapOfIntegerListOfShape  we    get in  method
  //! Edges.   That is to say, to  the list  of edges in
  //! theMapLstEdg(i) corresponds the resulting edge theMapEdge(i)
  Standard_EXPORT   void ResultEdges (TopTools_DataMapOfIntegerShape& theMapEdg) ;
  
  //! returns the map of modified faces.
  Standard_EXPORT   void Faces (TopTools_DataMapOfShapeShape& theMapFac) ;
  
  //! returns myShape modified with the list of internal
  //! edges removed from it.
  Standard_EXPORT   TopoDS_Shape& Shape() ;
  
  //! returns the number of vertices candidate to be removed
  Standard_EXPORT  Standard_Integer NbVertices() ;
  
  //! Using  map of list of connex  edges, fuse each list to
  //! one edge and then update myShape
  Standard_EXPORT   void Perform() ;




protected:





private:

  
  //! build a map of shapes and ancestors, like
  //! TopExp.MapShapesAndAncestors, but we remove duplicate
  //! shapes in list of shapes.
  Standard_EXPORT   void BuildAncestors (const TopoDS_Shape& S, const TopAbs_ShapeEnum TS, const TopAbs_ShapeEnum TA, TopTools_IndexedDataMapOfShapeListOfShape& M)  const;
  
  //! Build the all the lists of edges that are to be fused
  Standard_EXPORT   void BuildListEdges() ;
  
  //! Build result   fused edges according  to  the list
  //! builtin BuildLisEdges
  Standard_EXPORT   void BuildListResultEdges() ;
  
  Standard_EXPORT   void BuildListConnexEdge (const TopoDS_Shape& theEdge, TopTools_MapOfShape& theMapUniq, TopTools_ListOfShape& theLstEdg) ;
  
  Standard_EXPORT   Standard_Boolean NextConnexEdge (const TopoDS_Vertex& theVertex, const TopoDS_Shape& theEdge, TopoDS_Shape& theEdgeConnex)  const;
  
  Standard_EXPORT   Standard_Boolean SameSupport (const TopoDS_Edge& E1, const TopoDS_Edge& E2)  const;
  
  Standard_EXPORT   Standard_Boolean UpdatePCurve (const TopoDS_Edge& theOldEdge, TopoDS_Edge& theNewEdge, const TopTools_ListOfShape& theLstEdg)  const;


  TopoDS_Shape myShape;
  Standard_Boolean myShapeDone;
  Standard_Boolean myEdgesDone;
  Standard_Boolean myResultEdgesDone;
  TopTools_IndexedDataMapOfShapeListOfShape myMapVerLstEdg;
  TopTools_IndexedDataMapOfShapeListOfShape myMapEdgLstFac;
  TopTools_DataMapOfIntegerListOfShape myMapLstEdg;
  TopTools_DataMapOfIntegerShape myMapEdg;
  TopTools_DataMapOfShapeShape myMapFaces;
  Standard_Integer myNbConnexEdge;
  TopTools_IndexedMapOfShape myAvoidEdg;
  Standard_Boolean myConcatBSpl;


};







#endif // _BRepLib_FuseEdges_HeaderFile