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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 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Prs3d_Root.hxx> |
25 | #include <Prs3d_Drawer.hxx> |
26 | class Prs3d_Presentation; |
27 | class TopoDS_Shape; |
28 | class Prs3d_Projector; |
29 | |
30 | |
31 | //! Instantiates Prs3d_PolyHLRShape to define a |
32 | //! display of a shape where hidden and visible lines are |
33 | //! identified with respect to a given projection. |
34 | //! StdPrs_HLRPolyShape works with a polyhedral |
35 | //! simplification of the shape whereas |
36 | //! StdPrs_HLRShape takes the shape itself into |
37 | //! account. When you use StdPrs_HLRShape, you |
38 | //! obtain an exact result, whereas, when you use |
39 | //! StdPrs_HLRPolyShape, you reduce computation |
40 | //! time but obtain polygonal segments. |
41 | //! The polygonal algorithm is used. |
42 | class StdPrs_HLRPolyShape : public Prs3d_Root |
43 | { |
44 | public: |
45 | |
46 | DEFINE_STANDARD_ALLOC |
47 | |
48 | |
49 | //! Defines the hidden line removal display of the |
50 | //! topology aShape in the projection defined by |
51 | //! aProjector. The shape and the projection are added |
52 | //! to the display aPresentation, and the attributes of the |
53 | //! elements present in the aPresentation are defined by |
54 | //! the attribute manager aDrawer. |
55 | Standard_EXPORT static void Add (const Handle(Prs3d_Presentation)& aPresentation, const TopoDS_Shape& aShape, const Handle(Prs3d_Drawer)& aDrawer, const Handle(Prs3d_Projector)& aProjector); |
56 | |
57 | |
58 | |
59 | |
60 | protected: |
61 | |
62 | |
63 | |
64 | |
65 | |
66 | private: |
67 | |
68 | |
69 | |
70 | |
71 | |
72 | }; |
73 | |
74 | |
75 | |
76 | |
77 | |
78 | |
79 | |
80 | #endif // _StdPrs_HLRPolyShape_HeaderFile |