1 -- Created on: 1993-10-27
2 -- Created by: Jean-Louis FRENKEL
3 -- Copyright (c) 1993-1999 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 class ToolShadedShape from StdPrs inherits ShapeTool from BRepMesh
22 Array1OfDir from TColgp,
24 Triangulation from Poly,
28 IsClosed (myclass; theShape : Shape from TopoDS) returns Boolean from Standard;
29 ---Purpose: Checks back faces visibility for specified shape (to activate back-face culling).
30 -- @return true if shape is closed Solid or compound of closed Solids.
32 Triangulation(myclass; aFace: Face from TopoDS;
33 loc : out Location from TopLoc)
34 returns Triangulation from Poly;
36 Normal(myclass; aFace: Face from TopoDS;
37 PC : in out Connect from Poly;
38 Nor : out Array1OfDir from TColgp);
40 end ToolShadedShape from StdPrs;