1 // Created on: 1995-10-06 2 // Created by: Jing Cheng MEI 3 // Copyright (c) 1995-1999 Matra Datavision 4 // Copyright (c) 1999-2014 OPEN CASCADE SAS 5 // 6 // This file is part of Open CASCADE Technology software library. 7 // 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. 13 // 14 // Alternatively, this file may be used under the terms of Open CASCADE 15 // commercial license or contractual agreement. 16 17 #ifndef _DsgPrs_ShapeDirPresentation_HeaderFile 18 #define _DsgPrs_ShapeDirPresentation_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_DefineAlloc.hxx> 22 #include <Standard_Handle.hxx> 23 24 #include <Prs3d_Drawer.hxx> 25 #include <Prs3d_Presentation.hxx> 26 27 class TopoDS_Shape; 28 29 //! A framework to define display of the normal to the 30 //! surface of a shape. 31 class DsgPrs_ShapeDirPresentation 32 { 33 public: 34 35 DEFINE_STANDARD_ALLOC 36 37 38 //! Adds the shape shape and the mode mode to the 39 //! presentation object prs. 40 //! The display attributes of the normal are defined by the 41 //! attribute manager aDrawer. 42 //! mode determines whether the first or the last point of 43 //! the normal is given to the presentation object. If the 44 //! first point: 0; if the last point, 1. 45 Standard_EXPORT static void Add (const Handle(Prs3d_Presentation)& prs, const Handle(Prs3d_Drawer)& aDrawer, const TopoDS_Shape& shape, const Standard_Integer mode); 46 47 48 49 50 protected: 51 52 53 54 55 56 private: 57 58 59 60 61 62 }; 63 64 65 66 67 68 69 70 #endif // _DsgPrs_ShapeDirPresentation_HeaderFile 71