include/opencascade/HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf.hxx

0001 // Created on: 1992-10-14
0002 // Created by: Christophe MARION
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 _HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf_HeaderFile
0018 #define _HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <IntSurf_Quadric.hxx>
0025 #include <gp_Lin.hxx>
0026 #include <math_FunctionWithDerivative.hxx>
0027 #include <Standard_Boolean.hxx>
0028 class IntSurf_Quadric;
0029 class gp_Lin;
0030 class HLRBRep_LineTool;
0031
0032 class HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf : public math_FunctionWithDerivative
0033 {
0034 public:
0035   DEFINE_STANDARD_ALLOC
0036
0037   //! Create the function.
0038   Standard_EXPORT HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf(const IntSurf_Quadric& Q,
0039                                                                       const gp_Lin&          C);
0040
0041   //! Computes the value of the signed distance between
0042   //! the implicit surface and the point at parameter
0043   //! Param on the parametrised curve.
0044   //! Value always returns True.
0045   Standard_EXPORT bool Value(const double Param, double& F) override;
0046
0047   //! Computes the derivative of the previous function at
0048   //! parameter Param.
0049   //! Derivative always returns True.
0050   Standard_EXPORT bool Derivative(const double Param, double& D) override;
0051
0052   //! Computes the value and the derivative of the function.
0053   //! returns True.
0054   Standard_EXPORT bool Values(const double Param, double& F, double& D) override;
0055
0056 private:
0057   IntSurf_Quadric myQuadric;
0058   gp_Lin          myCurve;
0059 };
0060
0061 #endif // _HLRBRep_TheQuadCurvFuncOfTheQuadCurvExactInterCSurf_HeaderFile