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
0030 //! Curve - computes the presentation of objects to be
0031 //! seen  as curves  (the  computation  will  be  made
0032 //! with a constant  number  of  points),  converts this one
0033 //! into  VRML  objects  and  writes (adds) them  into
0034 //! anOStream.   All  requested   properties  of   the
0035 //! representation are specify  in aDrawer  of  Drawer
0036 //! class (VrmlConverter).
0037 //! This kind of the presentation is converted into
0038 //! IndexedLineSet ( VRML ).
0039 class VrmlConverter_Curve
0040 {
0041 public:
0042
0043   DEFINE_STANDARD_ALLOC
0044
0045
0046   //! adds to the OStream the drawing of the curve aCurve.
0047   //! The aspect is defined by LineAspect in aDrawer.
0048   Standard_EXPORT static void Add (const Adaptor3d_Curve& aCurve, const Handle(VrmlConverter_Drawer)& aDrawer, Standard_OStream& anOStream);
0049
0050   //! adds to the OStream the drawing of the curve aCurve.
0051   //! The aspect is defined by LineAspect in aDrawer.
0052   //! The drawing will be limited between the points of parameter
0053   //! U1 and U2.
0054   Standard_EXPORT static void Add (const Adaptor3d_Curve& aCurve, const Standard_Real U1, const Standard_Real U2, const Handle(VrmlConverter_Drawer)& aDrawer, Standard_OStream& anOStream);
0055
0056   //! adds to the OStream the drawing of the curve aCurve.
0057   //! The aspect is the current aspect.
0058   //! The drawing will be limited between the points of parameter
0059   //! U1 and U2. aNbPoints defines  number of points on  one interval.
0060   Standard_EXPORT static void Add (const Adaptor3d_Curve& aCurve, const Standard_Real U1, const Standard_Real U2, Standard_OStream& anOStream, const Standard_Integer aNbPoints);
0061
0062
0063
0064
0065 protected:
0066
0067
0068
0069
0070
0071 private:
0072
0073
0074
0075
0076
0077 };
0078
0079
0080
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0083
0084
0085 #endif // _VrmlConverter_Curve_HeaderFile