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 5 // 6 // This file is part of Open CASCADE Technology software library. 7 // 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. 13 // 14 // Alternatively, this file may be used under the terms of Open CASCADE 15 // commercial license or contractual agreement. 16 17 #ifndef _GeomFill_Boundary_HeaderFile 18 #define _GeomFill_Boundary_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_Type.hxx> 22 23 #include <Standard_Real.hxx> 24 #include <Standard_Transient.hxx> 25 #include <Standard_Boolean.hxx> 26 class gp_Pnt; 27 class gp_Vec; 28 29 30 class GeomFill_Boundary; 31 DEFINE_STANDARD_HANDLE(GeomFill_Boundary, Standard_Transient) 32 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 42 { 43 44 public: 45 46 47 Standard_EXPORT virtual gp_Pnt Value (const Standard_Real U) const = 0; 48 49 Standard_EXPORT virtual void D1 (const Standard_Real U, gp_Pnt& P, gp_Vec& V) const = 0; 50 51 Standard_EXPORT virtual Standard_Boolean HasNormals() const; 52 53 Standard_EXPORT virtual gp_Vec Norm (const Standard_Real U) const; 54 55 Standard_EXPORT virtual void D1Norm (const Standard_Real U, gp_Vec& N, gp_Vec& DN) const; 56 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; 58 59 Standard_EXPORT void Points (gp_Pnt& PFirst, gp_Pnt& PLast) const; 60 61 Standard_EXPORT virtual void Bounds (Standard_Real& First, Standard_Real& Last) const = 0; 62 63 Standard_EXPORT virtual Standard_Boolean IsDegenerated() const = 0; 64 65 Standard_EXPORT Standard_Real Tol3d() const; 66 67 Standard_EXPORT void Tol3d (const Standard_Real Tol); 68 69 Standard_EXPORT Standard_Real Tolang() const; 70 71 Standard_EXPORT void Tolang (const Standard_Real Tol); 72 73 74 75 76 DEFINE_STANDARD_RTTIEXT(GeomFill_Boundary,Standard_Transient) 77 78 protected: 79 80 81 Standard_EXPORT GeomFill_Boundary(const Standard_Real Tol3d, const Standard_Real Tolang); 82 83 84 85 private: 86 87 88 Standard_Real myT3d; 89 Standard_Real myTang; 90 91 92 }; 93 94 95 96 97 98 99 100 #endif // _GeomFill_Boundary_HeaderFile 101