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1 | // Created on: 1997-04-29 |
2 | // Created by: Stagiaire Francois DUMONT |
3 | // Copyright (c) 1997-1999 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 _Geom2dConvert_CompCurveToBSplineCurve_HeaderFile |
18 | #define _Geom2dConvert_CompCurveToBSplineCurve_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Real.hxx> |
25 | #include <Convert_ParameterisationType.hxx> |
26 | #include <Standard_Boolean.hxx> |
27 | class Geom2d_BSplineCurve; |
28 | class Geom2d_BoundedCurve; |
29 | |
30 | |
31 | //! This algorithm converts and concat several curve in an BSplineCurve |
32 | class Geom2dConvert_CompCurveToBSplineCurve |
33 | { |
34 | public: |
35 | |
36 | DEFINE_STANDARD_ALLOC |
37 | |
38 | |
39 | //! Initialize the algorithme |
40 | //! - Parameterisation is used to convert |
41 | Standard_EXPORT Geom2dConvert_CompCurveToBSplineCurve(const Convert_ParameterisationType Parameterisation = Convert_TgtThetaOver2); |
42 | |
43 | //! Initialize the algorithme with one curve |
44 | //! - Parameterisation is used to convert |
45 | Standard_EXPORT Geom2dConvert_CompCurveToBSplineCurve(const Handle(Geom2d_BoundedCurve)& BasisCurve, const Convert_ParameterisationType Parameterisation = Convert_TgtThetaOver2); |
46 | |
47 | //! Append a curve in the BSpline |
48 | //! Return False if the curve is not G0 with the BSplineCurve. |
49 | //! Tolerance is used to check continuity and decrease |
50 | //! Multiplicty at the common Knot |
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51 | //! After is useful if BasisCurve is a closed curve . |
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52 | Standard_EXPORT Standard_Boolean Add (const Handle(Geom2d_BoundedCurve)& NewCurve, const Standard_Real Tolerance, const Standard_Boolean After = Standard_False); |
53 | |
54 | Standard_EXPORT Handle(Geom2d_BSplineCurve) BSplineCurve() const; |
55 | |
56 | //! Clear result curve |
57 | Standard_EXPORT void Clear(); |
58 | |
59 | |
60 | |
61 | |
62 | protected: |
63 | |
64 | |
65 | |
66 | |
67 | |
68 | private: |
69 | |
70 | |
71 | //! Concat two BSplineCurves. |
72 | Standard_EXPORT void Add (Handle(Geom2d_BSplineCurve)& FirstCurve, Handle(Geom2d_BSplineCurve)& SecondCurve, const Standard_Boolean After); |
73 | |
74 | |
75 | Handle(Geom2d_BSplineCurve) myCurve; |
76 | Standard_Real myTol; |
77 | Convert_ParameterisationType myType; |
78 | |
79 | |
80 | }; |
81 | |
82 | |
83 | |
84 | |
85 | |
86 | |
87 | |
88 | #endif // _Geom2dConvert_CompCurveToBSplineCurve_HeaderFile |