include/opencascade/GCE2d_MakeRotation.hxx

0001 // Created on: 1992-09-28
0002 // Created by: Remi GILET
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 _GCE2d_MakeRotation_HeaderFile
0018 #define _GCE2d_MakeRotation_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Standard_Real.hxx>
0025 class Geom2d_Transformation;
0026 class gp_Pnt2d;
0027
0028
0029 //! This class implements an elementary construction algorithm for
0030 //! a rotation in 2D space. The result is a Geom2d_Transformation transformation.
0031 //! A MakeRotation object provides a framework for:
0032 //! -   defining the construction of the transformation,
0033 //! -   implementing the construction algorithm, and
0034 //! -   consulting the result.
0035 class GCE2d_MakeRotation
0036 {
0037 public:
0038
0039   DEFINE_STANDARD_ALLOC
0040
0041
0042   //! Constructs a rotation through angle Angle about the center Point.
0043   Standard_EXPORT GCE2d_MakeRotation(const gp_Pnt2d& Point, const Standard_Real Angle);
0044
0045   //! Returns the constructed transformation.
0046   Standard_EXPORT const Handle(Geom2d_Transformation)& Value() const;
0047 operator const Handle(Geom2d_Transformation)& () const { return Value(); }
0048
0049
0050
0051
0052 protected:
0053
0054
0055
0056
0057
0058 private:
0059
0060
0061
0062   Handle(Geom2d_Transformation) TheRotation;
0063
0064
0065 };
0066
0067
0068
0069
0070
0071
0072
0073 #endif // _GCE2d_MakeRotation_HeaderFile