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1 | // Created on: 1992-05-27 |
2 | // Created by: Remi LEQUETTE |
3 | // Copyright (c) 1992-1999 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 _BRep_TFace_HeaderFile |
18 | #define _BRep_TFace_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <TopLoc_Location.hxx> |
24 | #include <Standard_Real.hxx> |
25 | #include <Standard_Boolean.hxx> |
26 | #include <TopoDS_TFace.hxx> |
27 | class Geom_Surface; |
28 | class Poly_Triangulation; |
29 | class TopLoc_Location; |
30 | class TopoDS_TShape; |
31 | |
32 | |
33 | class BRep_TFace; |
34 | DEFINE_STANDARD_HANDLE(BRep_TFace, TopoDS_TFace) |
35 | |
36 | //! The Tface from BRep is based on the TFace from |
37 | //! TopoDS. The TFace contains : |
38 | //! |
39 | //! * A suface, a tolerance and a Location. |
40 | //! |
41 | //! * A NaturalRestriction flag, when this flag is |
42 | //! True the boundary of the face is known to be the |
43 | //! parametric space (Umin, UMax, VMin, VMax). |
44 | //! |
45 | //! * An optional Triangulation. If there is a |
46 | //! triangulation the surface can be absent. |
47 | //! |
48 | //! The Location is used for the Surface. |
49 | //! |
50 | //! The triangulation is in the same reference system |
51 | //! than the TFace. A point on mySurface must be |
52 | //! transformed with myLocation, but not a point on |
53 | //! the triangulation. |
54 | //! |
55 | //! The Surface may be shared by different TFaces but |
56 | //! not the Triangulation, because the Triangulation |
57 | //! may be modified by the edges. |
58 | class BRep_TFace : public TopoDS_TFace |
59 | { |
60 | |
61 | public: |
62 | |
63 | |
64 | //! Creates an empty TFace. |
65 | Standard_EXPORT BRep_TFace(); |
66 | |
67 | const Handle(Geom_Surface)& Surface() const; |
68 | |
69 | const Handle(Poly_Triangulation)& Triangulation() const; |
70 | |
71 | const TopLoc_Location& Location() const; |
72 | |
73 | Standard_Real Tolerance() const; |
74 | |
75 | void Surface (const Handle(Geom_Surface)& S); |
76 | |
77 | void Triangulation (const Handle(Poly_Triangulation)& T); |
78 | |
79 | void Location (const TopLoc_Location& L); |
80 | |
81 | void Tolerance (const Standard_Real T); |
82 | |
83 | Standard_Boolean NaturalRestriction() const; |
84 | |
85 | void NaturalRestriction (const Standard_Boolean N); |
86 | |
87 | //! Returns a copy of the TShape with no sub-shapes. |
88 | //! The new Face has no triangulation. |
89 | Standard_EXPORT virtual Handle(TopoDS_TShape) EmptyCopy() const Standard_OVERRIDE; |
90 | |
91 | |
92 | |
93 | |
94 | DEFINE_STANDARD_RTTI(BRep_TFace,TopoDS_TFace) |
95 | |
96 | protected: |
97 | |
98 | |
99 | |
100 | |
101 | private: |
102 | |
103 | |
104 | Handle(Geom_Surface) mySurface; |
105 | Handle(Poly_Triangulation) myTriangulation; |
106 | TopLoc_Location myLocation; |
107 | Standard_Real myTolerance; |
108 | Standard_Boolean myNaturalRestriction; |
109 | |
110 | |
111 | }; |
112 | |
113 | |
114 | #include <BRep_TFace.lxx> |
115 | |
116 | |
117 | |
118 | |
119 | |
120 | #endif // _BRep_TFace_HeaderFile |