// Created on: 1992-03-26 // Created by: Laurent BUCHARD // Copyright (c) 1992-1999 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 _IntCurve_PConicTool_HeaderFile #define _IntCurve_PConicTool_HeaderFile #include #include #include #include #include class IntCurve_PConic; class gp_Pnt2d; class gp_Vec2d; //! Implementation of the ParTool from IntImpParGen //! for conics of gp, using the class PConic from IntCurve. class IntCurve_PConicTool { public: DEFINE_STANDARD_ALLOC Standard_EXPORT static Standard_Real EpsX (const IntCurve_PConic& C); Standard_EXPORT static Standard_Integer NbSamples (const IntCurve_PConic& C); Standard_EXPORT static Standard_Integer NbSamples (const IntCurve_PConic& C, const Standard_Real U0, const Standard_Real U1); Standard_EXPORT static gp_Pnt2d Value (const IntCurve_PConic& C, const Standard_Real X); Standard_EXPORT static void D1 (const IntCurve_PConic& C, const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& T); Standard_EXPORT static void D2 (const IntCurve_PConic& C, const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& T, gp_Vec2d& N); protected: private: }; #endif // _IntCurve_PConicTool_HeaderFile