include/opencascade/HLRBRep_ThePolygonOfInterCSurf.hxx

0001 // Created on: 1992-10-14
0002 // Created by: Christophe MARION
0003 // Copyright (c) 1992-1999 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 _HLRBRep_ThePolygonOfInterCSurf_HeaderFile
0018 #define _HLRBRep_ThePolygonOfInterCSurf_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Bnd_Box.hxx>
0025 #include <Standard_Integer.hxx>
0026 #include <TColgp_Array1OfPnt.hxx>
0027 #include <TColStd_HArray1OfReal.hxx>
0028 #include <TColStd_Array1OfReal.hxx>
0029 class Standard_OutOfRange;
0030 class gp_Lin;
0031 class HLRBRep_LineTool;
0032 class Bnd_Box;
0033 class gp_Pnt;
0034
0035
0036
0037 class HLRBRep_ThePolygonOfInterCSurf
0038 {
0039 public:
0040
0041   DEFINE_STANDARD_ALLOC
0042
0043
0044   Standard_EXPORT HLRBRep_ThePolygonOfInterCSurf(const gp_Lin& Curve, const Standard_Integer NbPnt);
0045
0046   Standard_EXPORT HLRBRep_ThePolygonOfInterCSurf(const gp_Lin& Curve, const Standard_Real U1, const Standard_Real U2, const Standard_Integer NbPnt);
0047
0048   Standard_EXPORT HLRBRep_ThePolygonOfInterCSurf(const gp_Lin& Curve, const TColStd_Array1OfReal& Upars);
0049
0050   //! Give the bounding box of the polygon.
0051   const Bnd_Box& Bounding() const { return TheBnd; }
0052
0053   Standard_Real DeflectionOverEstimation() const { return TheDeflection; }
0054
0055   void SetDeflectionOverEstimation (const Standard_Real x)
0056   {
0057     TheDeflection = x;
0058     TheBnd.Enlarge (TheDeflection);
0059   }
0060
0061   void Closed (const Standard_Boolean flag) { ClosedPolygon = flag; }
0062
0063   Standard_Boolean Closed() const { return Standard_False; } // -- Voir si le cas Closed est traitable
0064
0065   //! Give the number of Segments in the polyline.
0066   Standard_Integer NbSegments() const { return NbPntIn - 1; }
0067
0068   //! Give the point of range Index in the Polygon.
0069   const gp_Pnt& BeginOfSeg (const Standard_Integer theIndex) const { return ThePnts (theIndex); }
0070
0071   //! Give the point of range Index in the Polygon.
0072   const gp_Pnt& EndOfSeg (const Standard_Integer theIndex) const { return ThePnts (theIndex + 1); }
0073
0074   //! Returns the parameter (On the curve)
0075   //! of the first point of the Polygon
0076   Standard_Real InfParameter() const { return Binf; }
0077
0078   //! Returns the parameter (On the curve)
0079   //! of the last point of the Polygon
0080   Standard_Real SupParameter() const { return Bsup; }
0081
0082   //! Give an approximation of the parameter on the curve
0083   //! according to the discretization of the Curve.
0084   Standard_EXPORT Standard_Real ApproxParamOnCurve (const Standard_Integer Index, const Standard_Real ParamOnLine) const;
0085
0086   Standard_EXPORT void Dump() const;
0087
0088 protected:
0089
0090   Standard_EXPORT void Init (const gp_Lin& Curve);
0091
0092   Standard_EXPORT void Init (const gp_Lin& Curve, const TColStd_Array1OfReal& Upars);
0093
0094 private:
0095
0096   Bnd_Box TheBnd;
0097   Standard_Real TheDeflection;
0098   Standard_Integer NbPntIn;
0099   TColgp_Array1OfPnt ThePnts;
0100   Standard_Boolean ClosedPolygon;
0101   Standard_Real Binf;
0102   Standard_Real Bsup;
0103   Handle(TColStd_HArray1OfReal) myParams;
0104
0105 };
0106
0107 #endif // _HLRBRep_ThePolygonOfInterCSurf_HeaderFile