// Created on: 1995-09-19 // Created by: Laurent PAINNOT // Copyright (c) 1995-1999 Matra Datavision // Copyright (c) 1999-2014 OPEN CASCADE SAS // // This file is part of Open CASCADE Technology software library. // // This library is free software; you can redistribute it and/or modify it under // the terms of the GNU Lesser General Public License version 2.1 as published // by the Free Software Foundation, with special exception defined in the file // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT // distribution for complete text of the license and disclaimer of any warranty. // // Alternatively, this file may be used under the terms of Open CASCADE // commercial license or contractual agreement. #ifndef _StdPrs_HLRPolyShape_HeaderFile #define _StdPrs_HLRPolyShape_HeaderFile #include //! Instantiates Prs3d_PolyHLRShape to define a display of a shape where hidden //! and visible lines are identified with respect to a given projection. //! StdPrs_HLRPolyShape works with a polyhedral simplification of the shape whereas //! StdPrs_HLRShape takes the shape itself into account. //! When you use StdPrs_HLRShape, you obtain an exact result, whereas, when you use StdPrs_HLRPolyShape, //! you reduce computation time but obtain polygonal segments. //! The polygonal algorithm is used. class StdPrs_HLRPolyShape : public StdPrs_HLRShapeI { DEFINE_STANDARD_RTTIEXT(StdPrs_HLRPolyShape, StdPrs_HLRShapeI) public: //! Compute presentation for specified shape. Standard_EXPORT virtual void ComputeHLR (const Handle(Prs3d_Presentation)& thePrs, const TopoDS_Shape& theShape, const Handle(Prs3d_Drawer)& theDrawer, const Handle(Graphic3d_Camera)& theProjector) const Standard_OVERRIDE; }; #endif // _StdPrs_HLRPolyShape_HeaderFile