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1 | -- Created on: 1995-03-09 |
2 | -- Created by: Laurent PAINNOT |
3 | -- Copyright (c) 1995-1999 Matra Datavision |
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4 | -- Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | -- |
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6 | -- This file is part of Open CASCADE Technology software library. |
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7 | -- |
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8 | -- This library is free software; you can redistribute it and / or modify it |
9 | -- under the terms of the GNU Lesser General Public 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. |
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13 | -- |
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14 | -- Alternatively, this file may be used under the terms of Open CASCADE |
15 | -- commercial license or contractual agreement. |
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16 | |
17 | deferred class GCurve from BRep inherits CurveRepresentation from BRep |
18 | |
19 | ---Purpose: Root class for the geometric curves |
20 | -- representation. Contains a range. |
21 | |
22 | uses |
23 | |
24 | Location from TopLoc, |
25 | Pnt from gp |
26 | |
27 | is |
28 | |
29 | Initialize(L : Location from TopLoc; First, Last : Real); |
30 | |
31 | SetRange(me : mutable; First, Last : Real) |
32 | ---C++: inline |
33 | is static; |
34 | |
35 | Range(me; First, Last : out Real) |
36 | ---C++: inline |
37 | is static; |
38 | |
39 | First(me) returns Real |
40 | ---C++: inline |
41 | is static; |
42 | |
43 | Last(me) returns Real |
44 | ---C++: inline |
45 | is static; |
46 | |
47 | First(me : mutable; F : Real) |
48 | ---C++: inline |
49 | is static; |
50 | |
51 | Last(me : mutable; L : Real) |
52 | ---C++: inline |
53 | is static; |
54 | |
55 | |
56 | D0(me; U : Real; P : out Pnt from gp) |
57 | ---Purpose: Computes the point at parameter U. |
58 | is deferred; |
59 | |
60 | |
61 | Update(me : mutable) |
62 | ---Purpose: Recomputes any derived data after a modification. |
63 | -- This is called when the range is modified. |
64 | is virtual; |
65 | |
66 | fields |
67 | myFirst : Real; |
68 | myLast : Real; |
69 | |
70 | end GCurve; |