include/opencascade/gce_MakeScale2d.hxx

0001 // Created on: 1992-08-26
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 _gce_MakeScale2d_HeaderFile
0018 #define _gce_MakeScale2d_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <gp_Trsf2d.hxx>
0025 class gp_Pnt2d;
0026
0027
0028 //! This class implements an elementary construction algorithm for
0029 //! a scaling transformation in 2D space. The result is a gp_Trsf2d transformation.
0030 //! A MakeScale2d object provides a framework for:
0031 //! -   defining the construction of the transformation,
0032 //! -   implementing the construction algorithm, and
0033 //! -   consulting the result.
0034 class gce_MakeScale2d
0035 {
0036 public:
0037
0038   DEFINE_STANDARD_ALLOC
0039
0040
0041
0042   //! Constructs a scaling transformation with:
0043   //! -   Point as the center of the transformation, and
0044   //! -   Scale as the scale factor.
0045   Standard_EXPORT gce_MakeScale2d(const gp_Pnt2d& Point, const Standard_Real Scale);
0046
0047   //! Returns the constructed transformation.
0048   Standard_EXPORT const gp_Trsf2d& Value() const;
0049
0050   Standard_EXPORT const gp_Trsf2d& Operator() const;
0051 Standard_EXPORT operator gp_Trsf2d() const;
0052
0053
0054
0055
0056 protected:
0057
0058
0059
0060
0061
0062 private:
0063
0064
0065
0066   gp_Trsf2d TheScale2d;
0067
0068
0069 };
0070
0071
0072
0073
0074
0075
0076
0077 #endif // _gce_MakeScale2d_HeaderFile