include/opencascade/ProjLib_ProjectOnSurface.hxx

0001 // Created on: 1994-09-15
0002 // Created by: Bruno DUMORTIER
0003 // Copyright (c) 1994-1999 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 _ProjLib_ProjectOnSurface_HeaderFile
0018 #define _ProjLib_ProjectOnSurface_HeaderFile
0019
0020 #include <Adaptor3d_Surface.hxx>
0021
0022 class Geom_BSplineCurve;
0023
0024 //! Project a curve on a  surface.  The result ( a  3D
0025 //! Curve)  will be an approximation
0026 class ProjLib_ProjectOnSurface
0027 {
0028 public:
0029   DEFINE_STANDARD_ALLOC
0030
0031   //! Create an empty projector.
0032   Standard_EXPORT ProjLib_ProjectOnSurface();
0033
0034   //! Create a projector normally to the surface <S>.
0035   Standard_EXPORT ProjLib_ProjectOnSurface(const Handle(Adaptor3d_Surface)& S);
0036
0037   Standard_EXPORT virtual ~ProjLib_ProjectOnSurface();
0038
0039   //! Set the Surface to <S>.
0040   //! To compute the projection, you have to Load the Curve.
0041   Standard_EXPORT void Load(const Handle(Adaptor3d_Surface)& S);
0042
0043   //! Compute the projection of the curve <C> on the Surface.
0044   Standard_EXPORT void Load(const Handle(Adaptor3d_Curve)& C, const Standard_Real Tolerance);
0045
0046   Standard_Boolean IsDone() const { return myIsDone; }
0047
0048   Standard_EXPORT Handle(Geom_BSplineCurve) BSpline() const;
0049
0050 private:
0051   Handle(Adaptor3d_Curve)   myCurve;
0052   Handle(Adaptor3d_Surface) mySurface;
0053   Standard_Real             myTolerance;
0054   Standard_Boolean          myIsDone;
0055   Handle(Geom_BSplineCurve) myResult;
0056 };
0057
0058 #endif // _ProjLib_ProjectOnSurface_HeaderFile