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1 | // Created on: 1992-09-28 |
2 | // Created by: Remi GILET |
3 | // Copyright (c) 1992-1999 Matra Datavision |
4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _GCE2d_MakeScale_HeaderFile |
18 | #define _GCE2d_MakeScale_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Real.hxx> |
25 | class Geom2d_Transformation; |
26 | class gp_Pnt2d; |
27 | |
28 | |
29 | //! This class implements an elementary construction algorithm for |
30 | //! a scaling transformation in 2D space. The result is a |
31 | //! Geom2d_Transformation transformation. |
32 | //! A MakeScale object provides a framework for: |
33 | //! - defining the construction of the transformation, |
34 | //! - implementing the construction algorithm, and |
35 | //! - consulting the result. |
36 | class GCE2d_MakeScale |
37 | { |
38 | public: |
39 | |
40 | DEFINE_STANDARD_ALLOC |
41 | |
42 | |
43 | //! Constructs a scaling transformation with |
44 | //! - Point as the center of the transformation, and |
45 | //! - Scale as the scale factor. |
46 | Standard_EXPORT GCE2d_MakeScale(const gp_Pnt2d& Point, const Standard_Real Scale); |
47 | |
48 | //! Returns the constructed transformation. |
49 | Standard_EXPORT const Handle(Geom2d_Transformation)& Value() const; |
50 | operator const Handle(Geom2d_Transformation)& () const { return Value(); } |
51 | |
52 | |
53 | |
54 | |
55 | protected: |
56 | |
57 | |
58 | |
59 | |
60 | |
61 | private: |
62 | |
63 | |
64 | |
65 | Handle(Geom2d_Transformation) TheScale; |
66 | |
67 | |
68 | }; |
69 | |
70 | |
71 | |
72 | |
73 | |
74 | |
75 | |
76 | #endif // _GCE2d_MakeScale_HeaderFile |