include/opencascade/BRep_CurveOnSurface.hxx

0001 // Created on: 1993-07-06
0002 // Created by: Remi LEQUETTE
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 _BRep_CurveOnSurface_HeaderFile
0018 #define _BRep_CurveOnSurface_HeaderFile
0019
0020 #include <Standard.hxx>
0021
0022 #include <gp_Pnt2d.hxx>
0023 #include <BRep_GCurve.hxx>
0024 #include <Standard_Real.hxx>
0025 class Geom2d_Curve;
0026 class Geom_Surface;
0027 class TopLoc_Location;
0028 class gp_Pnt;
0029 class BRep_CurveRepresentation;
0030
0031
0032 class BRep_CurveOnSurface;
0033 DEFINE_STANDARD_HANDLE(BRep_CurveOnSurface, BRep_GCurve)
0034
0035 //! Representation  of a  curve   by a   curve  in the
0036 //! parametric space of a surface.
0037 class BRep_CurveOnSurface : public BRep_GCurve
0038 {
0039
0040 public:
0041
0042
0043   Standard_EXPORT BRep_CurveOnSurface(const Handle(Geom2d_Curve)& PC, const Handle(Geom_Surface)& S, const TopLoc_Location& L);
0044
0045     void SetUVPoints (const gp_Pnt2d& P1, const gp_Pnt2d& P2);
0046
0047     void UVPoints (gp_Pnt2d& P1, gp_Pnt2d& P2) const;
0048
0049   //! Computes the point at parameter U.
0050   Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt& P) const Standard_OVERRIDE;
0051
0052   //! Returns True.
0053   Standard_EXPORT virtual Standard_Boolean IsCurveOnSurface() const Standard_OVERRIDE;
0054
0055   //! A curve in the parametric space of a surface.
0056   Standard_EXPORT virtual Standard_Boolean IsCurveOnSurface (const Handle(Geom_Surface)& S, const TopLoc_Location& L) const Standard_OVERRIDE;
0057
0058   Standard_EXPORT virtual const Handle(Geom_Surface)& Surface() const Standard_OVERRIDE;
0059
0060   Standard_EXPORT virtual const Handle(Geom2d_Curve)& PCurve() const Standard_OVERRIDE;
0061
0062   Standard_EXPORT virtual void PCurve (const Handle(Geom2d_Curve)& C) Standard_OVERRIDE;
0063
0064   //! Return a copy of this representation.
0065   Standard_EXPORT virtual Handle(BRep_CurveRepresentation) Copy() const Standard_OVERRIDE;
0066
0067   //! Recomputes any derived data after a modification.
0068   //! This is called when the range is modified.
0069   Standard_EXPORT virtual void Update() Standard_OVERRIDE;
0070
0071   //! Dumps the content of me into the stream
0072   Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE;
0073
0074
0075
0076
0077   DEFINE_STANDARD_RTTIEXT(BRep_CurveOnSurface,BRep_GCurve)
0078
0079 protected:
0080
0081
0082   gp_Pnt2d myUV1;
0083   gp_Pnt2d myUV2;
0084
0085
0086 private:
0087
0088
0089   Handle(Geom2d_Curve) myPCurve;
0090   Handle(Geom_Surface) mySurface;
0091
0092
0093 };
0094
0095
0096 #include <BRep_CurveOnSurface.lxx>
0097
0098
0099
0100
0101
0102 #endif // _BRep_CurveOnSurface_HeaderFile