include/opencascade/GeomFill_Profiler.hxx

0001 // Created on: 1994-02-17
0002 // Created by: Bruno DUMORTIER
0003 // Copyright (c) 1994-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _GeomFill_Profiler_HeaderFile
0018 #define _GeomFill_Profiler_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <TColGeom_SequenceOfCurve.hxx>
0025 #include <Standard_Integer.hxx>
0026 #include <TColgp_Array1OfPnt.hxx>
0027 #include <TColStd_Array1OfReal.hxx>
0028 #include <TColStd_Array1OfInteger.hxx>
0029 class Geom_Curve;
0030
0031 //! Evaluation of the common BSplineProfile of a group
0032 //! of curves  from Geom. All the curves will have the
0033 //! same  degree,  the same knot-vector, so  the  same
0034 //! number of poles.
0035 class GeomFill_Profiler
0036 {
0037 public:
0038   DEFINE_STANDARD_ALLOC
0039
0040   Standard_EXPORT GeomFill_Profiler();
0041   Standard_EXPORT virtual ~GeomFill_Profiler();
0042
0043   Standard_EXPORT void AddCurve(const Handle(Geom_Curve)& Curve);
0044
0045   //! Converts all curves to BSplineCurves.
0046   //! Set them to the common profile.
0047   //! <PTol> is used to compare 2 knots.
0048   Standard_EXPORT virtual void Perform(const Standard_Real PTol);
0049
0050   //! Raises if not yet perform
0051   Standard_EXPORT Standard_Integer Degree() const;
0052
0053   Standard_Boolean IsPeriodic() const;
0054
0055   //! Raises if not yet perform
0056   Standard_EXPORT Standard_Integer NbPoles() const;
0057
0058   //! returns in <Poles> the  poles  of the BSplineCurve
0059   //! from index <Index> adjusting to the current profile.
0060   //! Raises if not yet perform
0061   //! Raises if <Index> not in the range [1,NbCurves]
0062   //! if  the  length  of  <Poles>  is  not  equal  to
0063   //! NbPoles().
0064   Standard_EXPORT void Poles(const Standard_Integer Index, TColgp_Array1OfPnt& Poles) const;
0065
0066   //! returns in <Weights> the weights of the BSplineCurve
0067   //! from index <Index> adjusting to the current profile.
0068   //! Raises if not yet perform
0069   //! Raises if <Index> not in the range [1,NbCurves] or
0070   //! if  the  length  of  <Weights>  is  not  equal  to
0071   //! NbPoles().
0072   Standard_EXPORT void Weights(const Standard_Integer Index, TColStd_Array1OfReal& Weights) const;
0073
0074   //! Raises if not yet perform
0075   Standard_EXPORT Standard_Integer NbKnots() const;
0076
0077   //! Raises if not yet perform
0078   //! Raises if  the lengths of <Knots> and <Mults> are
0079   //! not equal to NbKnots().
0080   Standard_EXPORT void KnotsAndMults(TColStd_Array1OfReal&    Knots,
0081                                      TColStd_Array1OfInteger& Mults) const;
0082
0083   const Handle(Geom_Curve)& Curve(const Standard_Integer Index) const;
0084
0085 protected:
0086   TColGeom_SequenceOfCurve mySequence;
0087   Standard_Boolean         myIsDone;
0088   Standard_Boolean         myIsPeriodic;
0089
0090 private:
0091 };
0092
0093 #include <GeomFill_Profiler.lxx>
0094
0095 #endif // _GeomFill_Profiler_HeaderFile