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annotate scripts/plot/private/__getlegenddata__.m @ 17475:fd01c78caa0b

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Added tag ss-3-7-7 for changeset cc13924a4266
author John W. Eaton <jwe@octave.org>
date Mon, 23 Sep 2013 13:31:11 -0400
parents 1c89599167a6
children
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 2010-2012 David Bateman
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {[@var{hplots}, @var{strings}]} = __getlegenddata__ (@var{h})
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21 ## Undocumented internal function.
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22 ## @end deftypefn
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23
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24 function [hplots, text_strings] = __getlegenddata__ (hlegend)
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25 hplots = [];
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26 text_strings = {};
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27 ca = getfield (get (hlegend, "userdata"), "handle");
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28 kids = [];
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29 for i = 1:numel (ca)
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30 kids = [kids; get(ca(i), "children")];
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31 endfor
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33 for i = numel (kids):-1:1
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34 typ = get (kids(i), "type");
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35 if (strcmp (typ, "line") || strcmp (typ, "surface")
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36 || strcmp (typ, "patch") || strcmp (typ, "hggroup"))
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37
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38 if (strcmp (typ, "hggroup"))
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39 hgkids = get (kids(i), "children");
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40 for j = 1 : length (hgkids)
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41 hgobj = get (hgkids (j));
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42 if (isfield (hgobj, "displayname") && ! isempty (hgobj.displayname))
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43 hplots = [hplots, hgkids(j)];
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44 text_strings = {text_strings{:}, hgobj.displayname};
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45 break;
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46 endif
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47 endfor
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48 else
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49 if (! isempty (get (kids (i), "displayname")))
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50 hplots = [hplots, kids(i)];
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51 text_strings = {text_strings{:}, get(kids (i), "displayname")};
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52 endif
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53 endif
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54
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55 endif
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56 endfor
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57
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58 endfunction
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59