include/opencascade/IntCurveSurface_ThePolygonOfHInter.hxx

0001 // Created on: 1993-04-07
0002 // Created by: Laurent BUCHARD
0003 // Copyright (c) 1993-1999 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 _IntCurveSurface_ThePolygonOfHInter_HeaderFile
0018 #define _IntCurveSurface_ThePolygonOfHInter_HeaderFile
0019
0020 #include <Adaptor3d_Curve.hxx>
0021 #include <Bnd_Box.hxx>
0022 #include <TColgp_Array1OfPnt.hxx>
0023 #include <TColStd_HArray1OfReal.hxx>
0024 #include <TColStd_Array1OfReal.hxx>
0025 class Standard_OutOfRange;
0026 class IntCurveSurface_TheHCurveTool;
0027 class Bnd_Box;
0028 class gp_Pnt;
0029
0030 class IntCurveSurface_ThePolygonOfHInter
0031 {
0032 public:
0033
0034   DEFINE_STANDARD_ALLOC
0035
0036
0037   Standard_EXPORT IntCurveSurface_ThePolygonOfHInter(const Handle(Adaptor3d_Curve)& Curve, const Standard_Integer NbPnt);
0038
0039   Standard_EXPORT IntCurveSurface_ThePolygonOfHInter(const Handle(Adaptor3d_Curve)& Curve, const Standard_Real U1, const Standard_Real U2, const Standard_Integer NbPnt);
0040
0041   Standard_EXPORT IntCurveSurface_ThePolygonOfHInter(const Handle(Adaptor3d_Curve)& Curve, const TColStd_Array1OfReal& Upars);
0042
0043   //! Give the bounding box of the polygon.
0044   const Bnd_Box& Bounding() const { return TheBnd; }
0045
0046   Standard_Real DeflectionOverEstimation() const { return TheDeflection; }
0047
0048   void SetDeflectionOverEstimation (const Standard_Real x)
0049   {
0050     TheDeflection = x;
0051     TheBnd.Enlarge (TheDeflection);
0052   }
0053
0054   void Closed (const Standard_Boolean flag) { ClosedPolygon = flag; }
0055
0056   Standard_Boolean Closed() const { return Standard_False; } // -- Voir si le cas Closed est traitable
0057
0058   //! Give the number of Segments in the polyline.
0059   Standard_Integer NbSegments() const { return NbPntIn - 1; }
0060
0061   //! Give the point of range Index in the Polygon.
0062   const gp_Pnt& BeginOfSeg (const Standard_Integer theIndex) const { return ThePnts (theIndex); }
0063
0064   //! Give the point of range Index in the Polygon.
0065   const gp_Pnt& EndOfSeg (const Standard_Integer theIndex) const { return ThePnts (theIndex + 1); }
0066
0067   //! Returns the parameter (On the curve)
0068   //! of the first point of the Polygon
0069   Standard_Real InfParameter() const { return Binf; }
0070
0071   //! Returns the parameter (On the curve)
0072   //! of the last point of the Polygon
0073   Standard_Real SupParameter() const { return Bsup; }
0074
0075   //! Give an approximation of the parameter on the curve
0076   //! according to the discretization of the Curve.
0077   Standard_EXPORT Standard_Real ApproxParamOnCurve (const Standard_Integer Index, const Standard_Real ParamOnLine) const;
0078
0079   Standard_EXPORT void Dump() const;
0080
0081 protected:
0082
0083   Standard_EXPORT void Init (const Handle(Adaptor3d_Curve)& Curve);
0084
0085   Standard_EXPORT void Init (const Handle(Adaptor3d_Curve)& Curve, const TColStd_Array1OfReal& Upars);
0086
0087 private:
0088
0089   Bnd_Box TheBnd;
0090   Standard_Real TheDeflection;
0091   Standard_Integer NbPntIn;
0092   TColgp_Array1OfPnt ThePnts;
0093   Standard_Boolean ClosedPolygon;
0094   Standard_Real Binf;
0095   Standard_Real Bsup;
0096   Handle(TColStd_HArray1OfReal) myParams;
0097
0098 };
0099
0100 #endif // _IntCurveSurface_ThePolygonOfHInter_HeaderFile