1 // Created on: 1995-10-17
2 // Created by: Laurent BOURESCHE
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _GeomFill_Boundary_HeaderFile
18 #define _GeomFill_Boundary_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_Type.hxx>
23 #include <Standard_Real.hxx>
24 #include <Standard_Transient.hxx>
25 #include <Standard_Boolean.hxx>
30 class GeomFill_Boundary;
31 DEFINE_STANDARD_HANDLE(GeomFill_Boundary, Standard_Transient)
33 //! Root class to define a boundary which will form part of a
34 //! contour around a gap requiring filling.
35 //! Any new type of constrained boundary must inherit this class.
36 //! The GeomFill package provides two classes to define constrained boundaries:
37 //! - GeomFill_SimpleBound to define an unattached boundary
38 //! - GeomFill_BoundWithSurf to define a boundary attached to a surface.
39 //! These objects are used to define the boundaries for a
40 //! GeomFill_ConstrainedFilling framework.
41 class GeomFill_Boundary : public Standard_Transient
47 Standard_EXPORT virtual gp_Pnt Value (const Standard_Real U) const = 0;
49 Standard_EXPORT virtual void D1 (const Standard_Real U, gp_Pnt& P, gp_Vec& V) const = 0;
51 Standard_EXPORT virtual Standard_Boolean HasNormals() const;
53 Standard_EXPORT virtual gp_Vec Norm (const Standard_Real U) const;
55 Standard_EXPORT virtual void D1Norm (const Standard_Real U, gp_Vec& N, gp_Vec& DN) const;
57 Standard_EXPORT virtual void Reparametrize (const Standard_Real First, const Standard_Real Last, const Standard_Boolean HasDF, const Standard_Boolean HasDL, const Standard_Real DF, const Standard_Real DL, const Standard_Boolean Rev) = 0;
59 Standard_EXPORT void Points (gp_Pnt& PFirst, gp_Pnt& PLast) const;
61 Standard_EXPORT virtual void Bounds (Standard_Real& First, Standard_Real& Last) const = 0;
63 Standard_EXPORT virtual Standard_Boolean IsDegenerated() const = 0;
65 Standard_EXPORT Standard_Real Tol3d() const;
67 Standard_EXPORT void Tol3d (const Standard_Real Tol);
69 Standard_EXPORT Standard_Real Tolang() const;
71 Standard_EXPORT void Tolang (const Standard_Real Tol);
76 DEFINE_STANDARD_RTTIEXT(GeomFill_Boundary,Standard_Transient)
81 Standard_EXPORT GeomFill_Boundary(const Standard_Real Tol3d, const Standard_Real Tolang);
100 #endif // _GeomFill_Boundary_HeaderFile