1 // Created on: 1996-01-16
2 // Created by: Jean-Pierre COMBE
3 // Copyright (c) 1996-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _DsgPrs_TangentPresentation_HeaderFile
18 #define _DsgPrs_TangentPresentation_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Prs3d_Drawer.hxx>
25 #include <Standard_Real.hxx>
26 class Prs3d_Presentation;
31 //! A framework to define display of tangents.
32 class DsgPrs_TangentPresentation
39 //! Adds the point OffsetPoint, the direction aDirection
40 //! and the length aLength to the presentation object aPresentation.
41 //! The display attributes of the tangent are defined by
42 //! the attribute manager aDrawer.
43 Standard_EXPORT static void Add (const Handle(Prs3d_Presentation)& aPresentation, const Handle(Prs3d_Drawer)& aDrawer, const gp_Pnt& OffsetPoint, const gp_Dir& aDirection, const Standard_Real aLength);
68 #endif // _DsgPrs_TangentPresentation_HeaderFile