1 -- Created on: 1992-05-22
2 -- Created by: Jean Claude VAUTHIER
3 -- Copyright (c) 1992-1999 Matra Datavision
4 -- Copyright (c) 1999-2014 OPEN CASCADE SAS
6 -- This file is part of Open CASCADE Technology software library.
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.
14 -- Alternatively, this file may be used under the terms of Open CASCADE
15 -- commercial license or contractual agreement.
23 inherits Curve2d from DrawTrSurf
26 uses BSplineCurve from Geom2d,
28 MarkerShape from Draw,
36 Create (C : BSplineCurve from Geom2d)
38 -- creates a drawable BSpline curve from a BSpline curve of
40 returns BSplineCurve2d from DrawTrSurf;
43 Create (C : BSplineCurve from Geom2d;
44 CurvColor, PolesColor, KnotsColor : Color from Draw;
45 KnotsShape : MarkerShape from Draw; KnotsSize : Integer;
46 ShowPoles, ShowKnots : Boolean; Discret : Integer)
47 returns BSplineCurve2d from DrawTrSurf;
50 DrawOn (me; dis : in out Display from Draw)
53 ShowPoles (me : mutable)
56 ShowKnots (me : mutable)
59 ClearPoles (me : mutable)
62 ClearKnots (me : mutable)
65 FindPole(me; X,Y : Real; D : Display from Draw; Prec : Real;
66 Index : in out Integer)
67 ---Purpose: Returns in <Index> the index of the first pole of the
68 -- curve projected by the Display <D> at a distance lower
69 -- than <Prec> from <X,Y>. If no pole is found index is
70 -- set to 0, else index is always greater than the input
74 FindKnot(me; X,Y : Real; D : Display from Draw; Prec : Real;
75 Index : in out Integer)
78 SetPolesColor (me : mutable; aColor : Color from Draw)
82 SetKnotsColor (me : mutable; aColor : Color from Draw)
86 SetKnotsShape (me : mutable; Shape : MarkerShape from Draw)
90 KnotsShape (me) returns MarkerShape from Draw
94 KnotsColor (me) returns Color from Draw
98 PolesColor (me) returns Color from Draw
102 Copy(me) returns Drawable3D from Draw
103 ---Purpose: For variable copy.
111 knotsForm : MarkerShape from Draw;
112 knotsLook : Color from Draw;
114 polesLook : Color from Draw;