0024002: Overall code and build procedure refactoring -- automatic
[occt.git] / src / GeomLib / GeomLib_CheckBSplineCurve.hxx
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42cf5bc1 1// Created on: 1997-05-28
2// Created by: Xavier BENVENISTE
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 _GeomLib_CheckBSplineCurve_HeaderFile
18#define _GeomLib_CheckBSplineCurve_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
24#include <Standard_Boolean.hxx>
25#include <Standard_Real.hxx>
26#include <gp_Pnt.hxx>
27class Geom_BSplineCurve;
28class StdFail_NotDone;
29class Standard_OutOfRange;
30
31
32//! Checks for the end tangents : wether or not those
33//! are reversed regarding the third or n-3rd control
34class GeomLib_CheckBSplineCurve
35{
36public:
37
38 DEFINE_STANDARD_ALLOC
39
40
41 Standard_EXPORT GeomLib_CheckBSplineCurve(const Handle(Geom_BSplineCurve)& Curve, const Standard_Real Tolerance, const Standard_Real AngularTolerance);
42
43 Standard_Boolean IsDone() const;
44
45 Standard_EXPORT void NeedTangentFix (Standard_Boolean& FirstFlag, Standard_Boolean& SecondFlag) const;
46
47 Standard_EXPORT void FixTangent (const Standard_Boolean FirstFlag, const Standard_Boolean LastFlag);
48
49 //! modifies the curve
50 //! by fixing the first or the last tangencies
51 //!
52 //! if Index3D not in the Range [1,Nb3dSpaces]
53 //! if the Approx is not Done
54 Standard_EXPORT Handle(Geom_BSplineCurve) FixedTangent (const Standard_Boolean FirstFlag, const Standard_Boolean LastFlag);
55
56
57
58
59protected:
60
61
62
63
64
65private:
66
67
68
69 Handle(Geom_BSplineCurve) myCurve;
70 Standard_Boolean myDone;
71 Standard_Boolean myFixFirstTangent;
72 Standard_Boolean myFixLastTangent;
73 Standard_Real myAngularTolerance;
74 Standard_Real myTolerance;
75 gp_Pnt myFirstPole;
76 gp_Pnt myLastPole;
77
78
79};
80
81
82#include <GeomLib_CheckBSplineCurve.lxx>
83
84
85
86
87
88#endif // _GeomLib_CheckBSplineCurve_HeaderFile