1 // Copyright (c) 2013 OPEN CASCADE SAS
3 // This file is part of Open CASCADE Technology software library.
5 // This library is free software; you can redistribute it and/or modify it under
6 // the terms of the GNU Lesser General Public License version 2.1 as published
7 // by the Free Software Foundation, with special exception defined in the file
8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9 // distribution for complete text of the license and disclaimer of any warranty.
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
14 #ifndef _StdPrs_ToolShadedShape_HeaderFile
15 #define _StdPrs_ToolShadedShape_HeaderFile
17 #include <Standard.hxx>
18 #include <Standard_DefineAlloc.hxx>
19 #include <Standard_Macro.hxx>
20 #include <TColgp_Array1OfDir.hxx>
23 class Poly_Triangulation;
25 class TopLoc_Location;
28 class StdPrs_ToolShadedShape
34 //! Similar to BRepTools::Triangulation() but without extra checks.
35 //! @return true if all faces within shape are triangulated.
36 Standard_EXPORT static Standard_Boolean IsTriangulated (const TopoDS_Shape& theShape);
38 //! Checks back faces visibility for specified shape (to activate back-face culling). <br>
39 //! @return true if shape is closed manifold Solid or compound of such Solids. <br>
40 Standard_EXPORT static Standard_Boolean IsClosed(const TopoDS_Shape& theShape);
42 Standard_EXPORT static Handle(Poly_Triangulation) Triangulation(const TopoDS_Face& aFace,
43 TopLoc_Location& loc);
45 Standard_EXPORT static void Normal(const TopoDS_Face& aFace,
47 TColgp_Array1OfDir& Nor);