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 // Created on: 1995-12-12
 // 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 _BRepCheck_Wire_HeaderFile
 #define _BRepCheck_Wire_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_Type.hxx>
 
 #include <BRepCheck_Status.hxx>
 #include <TopoDS_Shape.hxx>
 #include <NCollection_List.hxx>
 #include <TopTools_ShapeMapHasher.hxx>
 #include <NCollection_IndexedDataMap.hxx>
 #include <BRepCheck_Result.hxx>
 class TopoDS_Wire;
 class TopoDS_Shape;
 class TopoDS_Face;
 class TopoDS_Edge;
 
 class BRepCheck_Wire : public BRepCheck_Result
 {
 
 public:
   Standard_EXPORT BRepCheck_Wire(const TopoDS_Wire& W);
 
   //! if <ContextShape> is a face, consequently checks
   //! SelfIntersect(), Closed(), Orientation() and
   //! Closed2d until faulty is found
   Standard_EXPORT void InContext(const TopoDS_Shape& ContextShape) override;
 
   //! checks that the wire is not empty and "connex".
   //! Called by constructor
   Standard_EXPORT void Minimum() override;
 
   //! Does nothing
   Standard_EXPORT void Blind() override;
 
   //! Checks if the oriented edges of the wire give a
   //! closed wire. If the wire is closed, returns
   //! BRepCheck_NoError. Warning: if the first and
   //! last edge are infinite, the wire will be
   //! considered as a closed one. If <Update> is set to
   //! true, registers the status in the list.
   //! May return (and registers):
   //! **BRepCheck_NotConnected, if wire is not
   //! topologically closed
   //! **BRepCheck_RedundantEdge, if an edge is in wire
   //! more than 3 times or in case of 2 occurrences if
   //! not with FORWARD and REVERSED orientation.
   //! **BRepCheck_NoError
   Standard_EXPORT BRepCheck_Status Closed(const bool Update = false);
 
   //! Checks if edges of the wire give a wire closed in
   //! 2d space.
   //! Returns BRepCheck_NoError, or BRepCheck_NotClosed
   //! If <Update> is set to true, registers the
   //! status in the list.
   Standard_EXPORT BRepCheck_Status Closed2d(const TopoDS_Face& F, const bool Update = false);
 
   //! Checks if the oriented edges of the wire are
   //! correctly oriented. An internal call is made to
   //! the method Closed. If no face exists, call the
   //! method with a null face (TopoDS_face()). If
   //! <Update> is set to true, registers the
   //! status in the list.
   //! May return (and registers):
   //! BRepCheck_InvalidDegeneratedFlag,
   //! BRepCheck_BadOrientationOfSubshape,
   //! BRepCheck_NotClosed,
   //! BRepCheck_NoError
   Standard_EXPORT BRepCheck_Status Orientation(const TopoDS_Face& F, const bool Update = false);
 
   //! Checks if the wire intersect itself on the face
   //! <F>. <E1> and <E2> are the first intersecting
   //! edges found. <E2> may be a null edge when a
   //! self-intersecting edge is found.If <Update> is set
   //! to true, registers the status in the
   //! list.
   //! May return (and register):
   //! BRepCheck_EmptyWire,
   //! BRepCheck_SelfIntersectingWire,
   //! BRepCheck_NoCurveOnSurface,
   //! BRepCheck_NoError
   Standard_EXPORT BRepCheck_Status SelfIntersect(const TopoDS_Face& F,
                                                  TopoDS_Edge&       E1,
                                                  TopoDS_Edge&       E2,
                                                  const bool         Update = false);
 
   //! report SelfIntersect() check would be (is) done
   Standard_EXPORT bool GeometricControls() const;
 
   //! set SelfIntersect() to be checked
   Standard_EXPORT void GeometricControls(const bool B);
 
   //! Sets status of Wire;
   Standard_EXPORT void SetStatus(const BRepCheck_Status theStatus);
 
   DEFINE_STANDARD_RTTIEXT(BRepCheck_Wire, BRepCheck_Result)
 
 private:
   bool             myCdone;
   BRepCheck_Status myCstat;
   NCollection_IndexedDataMap<TopoDS_Shape, NCollection_List<TopoDS_Shape>, TopTools_ShapeMapHasher>
        myMapVE;
   bool myGctrl;
 };
 
 #endif // _BRepCheck_Wire_HeaderFile

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