include/opencascade/BRep_GCurve.hxx

0001 // Created on: 1995-03-09
0002 // Created by: Laurent PAINNOT
0003 // Copyright (c) 1995-1999 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 _BRep_GCurve_HeaderFile
0018 #define _BRep_GCurve_HeaderFile
0019
0020 #include <Standard.hxx>
0021
0022 #include <Standard_Real.hxx>
0023 #include <BRep_CurveRepresentation.hxx>
0024 class TopLoc_Location;
0025 class gp_Pnt;
0026
0027
0028 class BRep_GCurve;
0029 DEFINE_STANDARD_HANDLE(BRep_GCurve, BRep_CurveRepresentation)
0030
0031 //! Root   class    for    the    geometric     curves
0032 //! representation. Contains a range.
0033 //! Contains a first and a last parameter.
0034 class BRep_GCurve : public BRep_CurveRepresentation
0035 {
0036
0037 public:
0038
0039
0040     void SetRange (const Standard_Real First, const Standard_Real Last);
0041
0042     void Range (Standard_Real& First, Standard_Real& Last) const;
0043
0044     Standard_Real First() const;
0045
0046     Standard_Real Last() const;
0047
0048     void First (const Standard_Real F);
0049
0050     void Last (const Standard_Real L);
0051
0052   //! Computes the point at parameter U.
0053   Standard_EXPORT virtual void D0 (const Standard_Real U, gp_Pnt& P) const = 0;
0054
0055   //! Recomputes any derived data after a modification.
0056   //! This is called when the range is modified.
0057   Standard_EXPORT virtual void Update();
0058
0059   //! Dumps the content of me into the stream
0060   Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE;
0061
0062
0063
0064
0065   DEFINE_STANDARD_RTTIEXT(BRep_GCurve,BRep_CurveRepresentation)
0066
0067 protected:
0068
0069
0070   Standard_EXPORT BRep_GCurve(const TopLoc_Location& L, const Standard_Real First, const Standard_Real Last);
0071
0072
0073
0074 private:
0075
0076
0077   Standard_Real myFirst;
0078   Standard_Real myLast;
0079
0080
0081 };
0082
0083
0084 #include <BRep_GCurve.lxx>
0085
0086
0087
0088
0089
0090 #endif // _BRep_GCurve_HeaderFile