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1 | // Created on: 1995-09-19 |
2 | // Created by: Laurent PAINNOT |
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 _StdPrs_HLRPolyShape_HeaderFile |
18 | #define _StdPrs_HLRPolyShape_HeaderFile |
19 | |
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20 | #include <StdPrs_HLRShapeI.hxx> |
21 | |
22 | //! Instantiates Prs3d_PolyHLRShape to define a display of a shape where hidden |
23 | //! and visible lines are identified with respect to a given projection. |
24 | //! StdPrs_HLRPolyShape works with a polyhedral simplification of the shape whereas |
25 | //! StdPrs_HLRShape takes the shape itself into account. |
26 | //! When you use StdPrs_HLRShape, you obtain an exact result, whereas, when you use StdPrs_HLRPolyShape, |
27 | //! you reduce computation time but obtain polygonal segments. |
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28 | //! The polygonal algorithm is used. |
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29 | class StdPrs_HLRPolyShape : public StdPrs_HLRShapeI |
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30 | { |
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31 | DEFINE_STANDARD_RTTIEXT(StdPrs_HLRPolyShape, StdPrs_HLRShapeI) |
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32 | public: |
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33 | |
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34 | //! Compute presentation for specified shape. |
35 | Standard_EXPORT virtual void ComputeHLR (const Handle(Prs3d_Presentation)& thePrs, |
36 | const TopoDS_Shape& theShape, |
37 | const Handle(Prs3d_Drawer)& theDrawer, |
38 | const Handle(Graphic3d_Camera)& theProjector) const Standard_OVERRIDE; |
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39 | |
40 | }; |
41 | |
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42 | #endif // _StdPrs_HLRPolyShape_HeaderFile |