include/opencascade/DsgPrs_ShapeDirPresentation.hxx

0001 // Created on: 1995-10-06
0002 // Created by: Jing Cheng MEI
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 _DsgPrs_ShapeDirPresentation_HeaderFile
0018 #define _DsgPrs_ShapeDirPresentation_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Prs3d_Drawer.hxx>
0025 #include <Prs3d_Presentation.hxx>
0026
0027 class TopoDS_Shape;
0028
0029 //! A framework to define display of the normal to the
0030 //! surface of a shape.
0031 class DsgPrs_ShapeDirPresentation
0032 {
0033 public:
0034   DEFINE_STANDARD_ALLOC
0035
0036   //! Adds the shape shape and the mode mode to the
0037   //! presentation object prs.
0038   //! The display attributes of the normal are defined by the
0039   //! attribute manager aDrawer.
0040   //! mode determines whether the first or the last point of
0041   //! the normal is given to the presentation object. If the
0042   //! first point: 0; if the last point, 1.
0043   Standard_EXPORT static void Add(const occ::handle<Prs3d_Presentation>& prs,
0044                                   const occ::handle<Prs3d_Drawer>&       aDrawer,
0045                                   const TopoDS_Shape&                    shape,
0046                                   const int                              mode);
0047 };
0048
0049 #endif // _DsgPrs_ShapeDirPresentation_HeaderFile