include/opencascade/VrmlConverter_ShadedShape.hxx

0001 // Created on: 1997-02-21
0002 // Created by: Alexander BRIVIN
0003 // Copyright (c) 1997-1999 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 _VrmlConverter_ShadedShape_HeaderFile
0018 #define _VrmlConverter_ShadedShape_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Standard_OStream.hxx>
0025 #include <TColgp_Array1OfDir.hxx>
0026 class TopoDS_Shape;
0027 class VrmlConverter_Drawer;
0028 class TopoDS_Face;
0029 class Poly_Connect;
0030
0031 //! ShadedShape - computes  the  shading presentation of shapes
0032 //! by triangulation algorithms, converts this one into VRML objects
0033 //! and writes (adds) into anOStream.
0034 //! All requested properties of the representation including
0035 //! the maximal chordial deviation  are specify in aDrawer.
0036 //! This  kind  of  the  presentation  is  converted  into
0037 //! IndexedFaceSet ( VRML ).
0038 class VrmlConverter_ShadedShape
0039 {
0040 public:
0041   DEFINE_STANDARD_ALLOC
0042
0043   Standard_EXPORT static void Add(Standard_OStream&                   anOStream,
0044                                   const TopoDS_Shape&                 aShape,
0045                                   const Handle(VrmlConverter_Drawer)& aDrawer);
0046
0047   Standard_EXPORT static void ComputeNormal(const TopoDS_Face&  aFace,
0048                                             Poly_Connect&       pc,
0049                                             TColgp_Array1OfDir& Nor);
0050
0051 protected:
0052 private:
0053 };
0054
0055 #endif // _VrmlConverter_ShadedShape_HeaderFile