0031642: Visualization - crash in Graphic3d_Structure::SetVisual() on redisplaying...
[occt.git] / src / GeomConvert / GeomConvert_CompCurveToBSplineCurve.hxx
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42cf5bc1 1// Created on: 1996-09-23
2// Created by: Philippe MANGIN
3// Copyright (c) 1996-1999 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 _GeomConvert_CompCurveToBSplineCurve_HeaderFile
18#define _GeomConvert_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#include <Standard_Integer.hxx>
28class Geom_BSplineCurve;
29class Geom_BoundedCurve;
30
31
32//! Algorithm converts and concat several curve in an BSplineCurve
33class GeomConvert_CompCurveToBSplineCurve
34{
35public:
36
37 DEFINE_STANDARD_ALLOC
38
39
40 //! Initialize the algorithme
41 //! - Parameterisation is used to convert
42 Standard_EXPORT GeomConvert_CompCurveToBSplineCurve(const Convert_ParameterisationType Parameterisation = Convert_TgtThetaOver2);
43
44 //! Initialize the algorithme with one curve
45 //! - Parameterisation is used to convert
46 Standard_EXPORT GeomConvert_CompCurveToBSplineCurve(const Handle(Geom_BoundedCurve)& BasisCurve, const Convert_ParameterisationType Parameterisation = Convert_TgtThetaOver2);
47
48 //! Append a curve in the BSpline Return False if the
49 //! curve is not G0 with the BSplineCurve. Tolerance
50 //! is used to check continuity and decrease
51 //! Multiplicity at the common Knot until MinM
52 //! if MinM = 0, the common Knot can be removed
d3b7582d
BB
53 //!
54 //! WithRatio defines whether the resulting curve should have a uniform
55 //! parameterization. Setting WithRatio to Standard_False may greatly
56 //! decrease the speed of algorithms like CPnts_AbscissaPoint::AdvPerform
57 //! when applied to the resulting curve.
42cf5bc1 58 Standard_EXPORT Standard_Boolean Add (const Handle(Geom_BoundedCurve)& NewCurve, const Standard_Real Tolerance, const Standard_Boolean After = Standard_False, const Standard_Boolean WithRatio = Standard_True, const Standard_Integer MinM = 0);
59
60 Standard_EXPORT Handle(Geom_BSplineCurve) BSplineCurve() const;
61
62 //! Clear a result curve
63 Standard_EXPORT void Clear();
64
65
66
67
68protected:
69
70
71
72
73
74private:
75
76
77 //! Concat two BSplineCurves.
78 Standard_EXPORT void Add (Handle(Geom_BSplineCurve)& FirstCurve, Handle(Geom_BSplineCurve)& SecondCurve, const Standard_Boolean After, const Standard_Boolean WithRatio, const Standard_Integer MinM);
79
80
81 Handle(Geom_BSplineCurve) myCurve;
82 Standard_Real myTol;
83 Convert_ParameterisationType myType;
84
85
86};
87
88
89
90
91
92
93
94#endif // _GeomConvert_CompCurveToBSplineCurve_HeaderFile