include/opencascade/VrmlConverter_Curve.hxx

0001 // Created on: 1997-04-23
0002 // Created by: Alexander BRIVIN
0003 // Copyright (c) 1997-1999 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 _VrmlConverter_Curve_HeaderFile
0018 #define _VrmlConverter_Curve_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Standard_OStream.hxx>
0025 #include <Standard_Integer.hxx>
0026 class Adaptor3d_Curve;
0027 class VrmlConverter_Drawer;
0028
0029 //! Curve - computes the presentation of objects to be
0030 //! seen  as curves  (the  computation  will  be  made
0031 //! with a constant  number  of  points),  converts this one
0032 //! into  VRML  objects  and  writes (adds) them  into
0033 //! anOStream.   All  requested   properties  of   the
0034 //! representation are specify  in aDrawer  of  Drawer
0035 //! class (VrmlConverter).
0036 //! This kind of the presentation is converted into
0037 //! IndexedLineSet ( VRML ).
0038 class VrmlConverter_Curve
0039 {
0040 public:
0041   DEFINE_STANDARD_ALLOC
0042
0043   //! adds to the OStream the drawing of the curve aCurve.
0044   //! The aspect is defined by LineAspect in aDrawer.
0045   Standard_EXPORT static void Add(const Adaptor3d_Curve&              aCurve,
0046                                   const Handle(VrmlConverter_Drawer)& aDrawer,
0047                                   Standard_OStream&                   anOStream);
0048
0049   //! adds to the OStream the drawing of the curve aCurve.
0050   //! The aspect is defined by LineAspect in aDrawer.
0051   //! The drawing will be limited between the points of parameter
0052   //! U1 and U2.
0053   Standard_EXPORT static void Add(const Adaptor3d_Curve&              aCurve,
0054                                   const Standard_Real                 U1,
0055                                   const Standard_Real                 U2,
0056                                   const Handle(VrmlConverter_Drawer)& aDrawer,
0057                                   Standard_OStream&                   anOStream);
0058
0059   //! adds to the OStream the drawing of the curve aCurve.
0060   //! The aspect is the current aspect.
0061   //! The drawing will be limited between the points of parameter
0062   //! U1 and U2. aNbPoints defines  number of points on  one interval.
0063   Standard_EXPORT static void Add(const Adaptor3d_Curve& aCurve,
0064                                   const Standard_Real    U1,
0065                                   const Standard_Real    U2,
0066                                   Standard_OStream&      anOStream,
0067                                   const Standard_Integer aNbPoints);
0068
0069 protected:
0070 private:
0071 };
0072
0073 #endif // _VrmlConverter_Curve_HeaderFile