include/opencascade/GeomLib_IsPlanarSurface.hxx

0001 // Created on: 1998-11-23
0002 // Created by: Philippe MANGIN
0003 // Copyright (c) 1998-1999 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 _GeomLib_IsPlanarSurface_HeaderFile
0018 #define _GeomLib_IsPlanarSurface_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <gp_Pln.hxx>
0025 class Geom_Surface;
0026
0027
0028 //! Find if a surface is a planar  surface.
0029 class GeomLib_IsPlanarSurface
0030 {
0031 public:
0032
0033   DEFINE_STANDARD_ALLOC
0034
0035
0036   Standard_EXPORT GeomLib_IsPlanarSurface(const Handle(Geom_Surface)& S, const Standard_Real Tol = 1.0e-7);
0037
0038   //! Return if the Surface is a plan
0039   Standard_EXPORT Standard_Boolean IsPlanar() const;
0040
0041   //! Return the plan definition
0042   Standard_EXPORT const gp_Pln& Plan() const;
0043
0044
0045
0046
0047 protected:
0048
0049
0050
0051
0052
0053 private:
0054
0055
0056
0057   gp_Pln myPlan;
0058   Standard_Boolean IsPlan;
0059
0060
0061 };
0062
0063
0064
0065
0066
0067
0068
0069 #endif // _GeomLib_IsPlanarSurface_HeaderFile