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1 | // Created on: 2012-02-10 |
2 | // Created by: Serey ZERCHANINOV |
3 | // Copyright (c) 2012-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #ifndef _Intf_Polygon2d_HeaderFile |
17 | #define _Intf_Polygon2d_HeaderFile |
18 | |
19 | #include <Standard.hxx> |
20 | #include <Standard_DefineAlloc.hxx> |
21 | #include <Standard_Handle.hxx> |
22 | |
23 | #include <Bnd_Box2d.hxx> |
24 | #include <Standard_Boolean.hxx> |
25 | #include <Standard_Real.hxx> |
26 | #include <Standard_Integer.hxx> |
27 | class Standard_OutOfRange; |
28 | class Bnd_Box2d; |
29 | class gp_Pnt2d; |
30 | |
31 | |
32 | //! Describes the necessary polygon information to compute |
33 | //! the interferences. |
34 | class Intf_Polygon2d |
35 | { |
36 | public: |
37 | |
38 | DEFINE_STANDARD_ALLOC |
39 | |
40 | |
41 | //! Returns the bounding box of the polygon. |
42 | const Bnd_Box2d& Bounding() const; |
43 | |
44 | //! Returns True if the polyline is closed. |
45 | Standard_EXPORT virtual Standard_Boolean Closed() const; |
46 | virtual ~Intf_Polygon2d() {} |
47 | |
48 | //! Returns the tolerance of the polygon. |
49 | Standard_EXPORT virtual Standard_Real DeflectionOverEstimation() const = 0; |
50 | |
51 | //! Returns the number of Segments in the polyline. |
52 | Standard_EXPORT virtual Standard_Integer NbSegments() const = 0; |
53 | |
54 | //! Returns the points of the segment <Index> in the Polygon. |
55 | Standard_EXPORT virtual void Segment (const Standard_Integer theIndex, gp_Pnt2d& theBegin, gp_Pnt2d& theEnd) const = 0; |
56 | |
57 | |
58 | |
59 | |
60 | protected: |
61 | |
62 | |
63 | |
64 | Bnd_Box2d myBox; |
65 | |
66 | |
67 | private: |
68 | |
69 | |
70 | |
71 | |
72 | |
73 | }; |
74 | |
75 | |
76 | #include <Intf_Polygon2d.lxx> |
77 | |
78 | |
79 | |
80 | |
81 | |
82 | #endif // _Intf_Polygon2d_HeaderFile |