Mercurial > hg > octave-nkf
annotate scripts/plot/private/__getlegenddata__.m @ 17539:485aeffc0c22
__getlegenddata__.m: Recode for better performance.
* scripts/plot/private/__getlegenddata__.m: Use try/catch block instead of
getting all fields into a struct.
author | Rik <rik@octave.org> |
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date | Wed, 02 Oct 2013 21:35:59 -0700 |
parents | 1c89599167a6 |
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rev | line source |
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maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
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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 |
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26 hplots = []; |
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27 text_strings = {}; |
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28 ca = getfield (get (hlegend, "userdata"), "handle"); |
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29 if (numel (ca) == 1) |
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30 kids = get (ca, "children"); |
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31 else |
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32 kids = [get(kids, "children"){:}]; |
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33 endif |
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34 |
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35 for i = numel (kids):-1:1 |
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36 typ = get (kids(i), "type"); |
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37 if (any (strcmp (typ, {"line", "patch", "surface", "hggroup"}))) |
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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 try |
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42 dname = get (hgkids(j), "DisplayName"); |
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43 if (! isempty (dname)) |
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44 hplots(end+1) = hgkids(j); |
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45 text_strings(end+1) = dname; |
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46 break; # break from j-loop over hgkids |
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47 endif |
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48 end_try_catch |
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49 endfor |
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50 else |
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51 dname = get (kids(i), "DisplayName"); |
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52 if (! isempty (dname)) |
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53 hplots(end+1) = kids(i); |
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54 text_strings(end+1) = dname; |
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55 endif |
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56 endif |
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57 endif |
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58 endfor |
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59 |
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60 endfunction |
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