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comparison scripts/plot/private/__getlegenddata__.m @ 12390:7428d177f00a release-3-4-x

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Fix for inline legends (#32022, #32343)
author David Bateman <dbateman@free.fr>
date Sat, 05 Feb 2011 10:19:13 -0500
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children 3347ccb91708
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12386:c1ea9b90a272 12390:7428d177f00a
1 ## Copyright (C) 2010-2011 David Bateman
2 ##
3 ## This file is part of Octave.
4 ##
5 ## Octave is free software; you can redistribute it and/or modify it
6 ## under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation; either version 3 of the License, or (at
8 ## your option) any later version.
9 ##
10 ## Octave is distributed in the hope that it will be useful, but
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 ## General Public License for more details.
14 ##
15 ## You should have received a copy of the GNU General Public License
16 ## along with Octave; see the file COPYING. If not, see
17 ## <http://www.gnu.org/licenses/>.
18
19 ## -*- texinfo -*-
20 ## @deftypefn {Function File} {[@var{hplots}, @var{strings}]} = __getlegenddata__ (@var{h})
21 ## Undocumented internal function.
22 ## @end deftypefn
23
24 function [hplots, text_strings] = __getlegenddata__ (hlegend)
25 hplots = [];
26 text_strings = {};
27 ca = getfield (get (hlegend, "userdata"), "handle");
28 kids = [];
29 for i = 1 : numel (ca)
30 kids = [kids; get(ca (i), "children")];
31 endfor
32 k = numel (kids);
33 while (k > 0)
34 typ = get (kids(k), "type");
35 while (k > 0
36 && ! (strcmp (typ, "line") || strcmp (typ, "surface")
37 || strcmp (typ, "patch") || strcmp (typ, "hggroup")))
38 typ = get (kids(--k), "type");
39 endwhile
40 if (k > 0)
41 if (strcmp (get (kids(k), "type"), "hggroup"))
42 hgkids = get (kids(k), "children");
43 for j = 1 : length (hgkids)
44 hgobj = get (hgkids (j));
45 if (isfield (hgobj, "displayname")
46 && ! isempty (hgobj.displayname))
47 hplots = [hplots, hgkids(j)];
48 text_strings = {text_strings{:}, hbobj.displayname};
49 break;
50 endif
51 endfor
52 else
53 if (! isempty (get (kids (k), "displayname")))
54 hplots = [hplots, kids(k)];
55 text_strings = {text_strings{:}, get(kids (k), "displayname")};
56 endif
57 endif
58 if (--k == 0)
59 break;
60 endif
61 endif
62 endwhile
63 endfunction