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 // Created on: 1993-07-06
 // Created by: Remi LEQUETTE
 // Copyright (c) 1993-1999 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 _BRepLib_MakeEdge_HeaderFile
 #define _BRepLib_MakeEdge_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 #include <Standard_Handle.hxx>
 
 #include <BRepLib_EdgeError.hxx>
 #include <TopoDS_Vertex.hxx>
 #include <BRepLib_MakeShape.hxx>
 class gp_Pnt;
 class gp_Lin;
 class gp_Circ;
 class gp_Elips;
 class gp_Hypr;
 class gp_Parab;
 class Geom_Curve;
 class Geom2d_Curve;
 class Geom_Surface;
 class TopoDS_Edge;
 
 //! Provides methods to build edges.
 //!
 //! The   methods have  the  following   syntax, where
 //! TheCurve is one of Lin, Circ, ...
 //!
 //! Create(C : TheCurve)
 //!
 //! Makes an edge on  the whole curve.  Add vertices
 //! on finite curves.
 //!
 //! Create(C : TheCurve; p1,p2 : Real)
 //!
 //! Make an edge  on the curve between parameters p1
 //! and p2. if p2 < p1 the edge will be REVERSED. If
 //! p1  or p2 is infinite the  curve will be open in
 //! that  direction. Vertices are created for finite
 //! values of p1 and p2.
 //!
 //! Create(C : TheCurve; P1, P2 : Pnt from gp)
 //!
 //! Make an edge on the curve  between the points P1
 //! and P2. The  points are projected on   the curve
 //! and the   previous method is  used. An  error is
 //! raised if the points are not on the curve.
 //!
 //! Create(C : TheCurve; V1, V2 : Vertex from TopoDS)
 //!
 //! Make an edge  on the curve  between the vertices
 //! V1 and V2. Same as the  previous but no vertices
 //! are created. If a vertex is  Null the curve will
 //! be open in this direction.
 class BRepLib_MakeEdge : public BRepLib_MakeShape
 {
 public:
   DEFINE_STANDARD_ALLOC
 
   Standard_EXPORT BRepLib_MakeEdge();
 
   Standard_EXPORT BRepLib_MakeEdge(const TopoDS_Vertex& V1, const TopoDS_Vertex& V2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Pnt& P1, const gp_Pnt& P2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Lin& L);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Lin& L, const Standard_Real p1, const Standard_Real p2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Lin& L, const gp_Pnt& P1, const gp_Pnt& P2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Lin&        L,
                                    const TopoDS_Vertex& V1,
                                    const TopoDS_Vertex& V2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Circ& L);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Circ&      L,
                                    const Standard_Real p1,
                                    const Standard_Real p2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Circ& L, const gp_Pnt& P1, const gp_Pnt& P2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Circ&       L,
                                    const TopoDS_Vertex& V1,
                                    const TopoDS_Vertex& V2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Elips& L);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Elips&     L,
                                    const Standard_Real p1,
                                    const Standard_Real p2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Elips& L, const gp_Pnt& P1, const gp_Pnt& P2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Elips&      L,
                                    const TopoDS_Vertex& V1,
                                    const TopoDS_Vertex& V2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Hypr& L);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Hypr&      L,
                                    const Standard_Real p1,
                                    const Standard_Real p2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Hypr& L, const gp_Pnt& P1, const gp_Pnt& P2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Hypr&       L,
                                    const TopoDS_Vertex& V1,
                                    const TopoDS_Vertex& V2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Parab& L);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Parab&     L,
                                    const Standard_Real p1,
                                    const Standard_Real p2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Parab& L, const gp_Pnt& P1, const gp_Pnt& P2);
 
   Standard_EXPORT BRepLib_MakeEdge(const gp_Parab&      L,
                                    const TopoDS_Vertex& V1,
                                    const TopoDS_Vertex& V2);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom_Curve)& L);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom_Curve)& L,
                                    const Standard_Real       p1,
                                    const Standard_Real       p2);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom_Curve)& L, const gp_Pnt& P1, const gp_Pnt& P2);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom_Curve)& L,
                                    const TopoDS_Vertex&      V1,
                                    const TopoDS_Vertex&      V2);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom_Curve)& L,
                                    const gp_Pnt&             P1,
                                    const gp_Pnt&             P2,
                                    const Standard_Real       p1,
                                    const Standard_Real       p2);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom_Curve)& L,
                                    const TopoDS_Vertex&      V1,
                                    const TopoDS_Vertex&      V2,
                                    const Standard_Real       p1,
                                    const Standard_Real       p2);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L, const Handle(Geom_Surface)& S);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
                                    const Handle(Geom_Surface)& S,
                                    const Standard_Real         p1,
                                    const Standard_Real         p2);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
                                    const Handle(Geom_Surface)& S,
                                    const gp_Pnt&               P1,
                                    const gp_Pnt&               P2);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
                                    const Handle(Geom_Surface)& S,
                                    const TopoDS_Vertex&        V1,
                                    const TopoDS_Vertex&        V2);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
                                    const Handle(Geom_Surface)& S,
                                    const gp_Pnt&               P1,
                                    const gp_Pnt&               P2,
                                    const Standard_Real         p1,
                                    const Standard_Real         p2);
 
   Standard_EXPORT BRepLib_MakeEdge(const Handle(Geom2d_Curve)& L,
                                    const Handle(Geom_Surface)& S,
                                    const TopoDS_Vertex&        V1,
                                    const TopoDS_Vertex&        V2,
                                    const Standard_Real         p1,
                                    const Standard_Real         p2);
 
   Standard_EXPORT void Init(const Handle(Geom_Curve)& C);
 
   Standard_EXPORT void Init(const Handle(Geom_Curve)& C,
                             const Standard_Real       p1,
                             const Standard_Real       p2);
 
   Standard_EXPORT void Init(const Handle(Geom_Curve)& C, const gp_Pnt& P1, const gp_Pnt& P2);
 
   Standard_EXPORT void Init(const Handle(Geom_Curve)& C,
                             const TopoDS_Vertex&      V1,
                             const TopoDS_Vertex&      V2);
 
   Standard_EXPORT void Init(const Handle(Geom_Curve)& C,
                             const gp_Pnt&             P1,
                             const gp_Pnt&             P2,
                             const Standard_Real       p1,
                             const Standard_Real       p2);
 
   Standard_EXPORT void Init(const Handle(Geom_Curve)& C,
                             const TopoDS_Vertex&      V1,
                             const TopoDS_Vertex&      V2,
                             const Standard_Real       p1,
                             const Standard_Real       p2);
 
   Standard_EXPORT void Init(const Handle(Geom2d_Curve)& C, const Handle(Geom_Surface)& S);
 
   Standard_EXPORT void Init(const Handle(Geom2d_Curve)& C,
                             const Handle(Geom_Surface)& S,
                             const Standard_Real         p1,
                             const Standard_Real         p2);
 
   Standard_EXPORT void Init(const Handle(Geom2d_Curve)& C,
                             const Handle(Geom_Surface)& S,
                             const gp_Pnt&               P1,
                             const gp_Pnt&               P2);
 
   Standard_EXPORT void Init(const Handle(Geom2d_Curve)& C,
                             const Handle(Geom_Surface)& S,
                             const TopoDS_Vertex&        V1,
                             const TopoDS_Vertex&        V2);
 
   Standard_EXPORT void Init(const Handle(Geom2d_Curve)& C,
                             const Handle(Geom_Surface)& S,
                             const gp_Pnt&               P1,
                             const gp_Pnt&               P2,
                             const Standard_Real         p1,
                             const Standard_Real         p2);
 
   Standard_EXPORT void Init(const Handle(Geom2d_Curve)& C,
                             const Handle(Geom_Surface)& S,
                             const TopoDS_Vertex&        V1,
                             const TopoDS_Vertex&        V2,
                             const Standard_Real         p1,
                             const Standard_Real         p2);
 
   //! Returns the error description when NotDone.
   Standard_EXPORT BRepLib_EdgeError Error() const;
 
   Standard_EXPORT const TopoDS_Edge& Edge();
   Standard_EXPORT                    operator TopoDS_Edge();
 
   //! Returns the first vertex of the edge. May be Null.
   Standard_EXPORT const TopoDS_Vertex& Vertex1() const;
 
   //! Returns the second vertex of the edge. May be Null.
   Standard_EXPORT const TopoDS_Vertex& Vertex2() const;
 
 protected:
 private:
   BRepLib_EdgeError myError;
   TopoDS_Vertex     myVertex1;
   TopoDS_Vertex     myVertex2;
 };
 
 #endif // _BRepLib_MakeEdge_HeaderFile

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