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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 |
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