include/opencascade/Geom2dGcc_CurveTool.hxx

0001 // Created on: 1992-06-04
0002 // Created by: Jacques GOUSSARD
0003 // Copyright (c) 1992-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _Geom2dGcc_CurveTool_HeaderFile
0018 #define _Geom2dGcc_CurveTool_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022
0023 #include <Standard_Integer.hxx>
0024 class Geom2dAdaptor_Curve;
0025 class gp_Pnt2d;
0026 class gp_Vec2d;
0027
0028 class Geom2dGcc_CurveTool
0029 {
0030 public:
0031   DEFINE_STANDARD_ALLOC
0032
0033   Standard_EXPORT static Standard_Real FirstParameter(const Geom2dAdaptor_Curve& C);
0034
0035   Standard_EXPORT static Standard_Real LastParameter(const Geom2dAdaptor_Curve& C);
0036
0037   Standard_EXPORT static Standard_Real EpsX(const Geom2dAdaptor_Curve& C, const Standard_Real Tol);
0038
0039   Standard_EXPORT static Standard_Integer NbSamples(const Geom2dAdaptor_Curve& C);
0040
0041   Standard_EXPORT static gp_Pnt2d Value(const Geom2dAdaptor_Curve& C, const Standard_Real X);
0042
0043   Standard_EXPORT static void D1(const Geom2dAdaptor_Curve& C,
0044                                  const Standard_Real        U,
0045                                  gp_Pnt2d&                  P,
0046                                  gp_Vec2d&                  T);
0047
0048   Standard_EXPORT static void D2(const Geom2dAdaptor_Curve& C,
0049                                  const Standard_Real        U,
0050                                  gp_Pnt2d&                  P,
0051                                  gp_Vec2d&                  T,
0052                                  gp_Vec2d&                  N);
0053
0054   Standard_EXPORT static void D3(const Geom2dAdaptor_Curve& C,
0055                                  const Standard_Real        U,
0056                                  gp_Pnt2d&                  P,
0057                                  gp_Vec2d&                  T,
0058                                  gp_Vec2d&                  N,
0059                                  gp_Vec2d&                  dN);
0060
0061 protected:
0062 private:
0063 };
0064
0065 #endif // _Geom2dGcc_CurveTool_HeaderFile