1 // Created on: 1994-09-23
2 // Created by: Yves FRICAUD
3 // Copyright (c) 1994-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _MAT2d_CutCurve_HeaderFile
18 #define _MAT2d_CutCurve_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <TColGeom2d_SequenceOfCurve.hxx>
25 #include <MAT_Side.hxx>
26 #include <Standard_Boolean.hxx>
27 #include <Standard_Integer.hxx>
28 class Standard_OutOfRange;
30 class Geom2d_TrimmedCurve;
33 //! Cuts a curve at the extremas of curvature
34 //! and at the inflections. Constructs a trimmed
35 //! Curve for each interval.
43 Standard_EXPORT MAT2d_CutCurve();
45 Standard_EXPORT MAT2d_CutCurve(const Handle(Geom2d_Curve)& C);
47 //! Cuts a curve at the extremas of curvature
48 //! and at the inflections.
49 Standard_EXPORT void Perform (const Handle(Geom2d_Curve)& C);
51 //! Cuts a curve at the inflections, and at the extremas
52 //! of curvature where the concavity is on <aSide>.
53 Standard_EXPORT void Perform (const Handle(Geom2d_Curve)& C, const MAT_Side aSide);
55 //! Cuts a curve at the inflections.
56 Standard_EXPORT void PerformInf (const Handle(Geom2d_Curve)& C);
58 //! Returns True if the curve is not cut.
59 Standard_EXPORT Standard_Boolean UnModified() const;
61 //! Returns the number of curves.
62 //! it's allways greatest than 2.
64 //! raises if the Curve is UnModified;
65 Standard_EXPORT Standard_Integer NbCurves() const;
67 //! Returns the Indexth curve.
68 //! raises if Index not in the range [1,NbCurves()]
69 Standard_EXPORT Handle(Geom2d_TrimmedCurve) Value (const Standard_Integer Index) const;
84 TColGeom2d_SequenceOfCurve theCurves;
95 #endif // _MAT2d_CutCurve_HeaderFile