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__gnuplot_has_terminal__.m: New function.
author Ben Abbott <bpabbott@mac.com>
date Mon, 13 Sep 2010 20:56:01 -0400
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children c9b0a75b02e8
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10967
2470b1bf191a __gnuplot_has_terminal__.m: New function.
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1 ## Copyright (C) 2010 Ben Abbott
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2 ##
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3 ## This program is free software; you can redistribute it and/or modify
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4 ## it under the terms of the GNU General Public License as published by
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5 ## the Free Software Foundation; either version 2 of the License, or
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6 ## (at your option) any later version.
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7 ##
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8 ## This program is distributed in the hope that it will be useful,
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9 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 ## GNU General Public License for more details.
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12 ##
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13 ## You should have received a copy of the GNU General Public License
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14 ## along with Octave; see the file COPYING. If not, see
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15 ## <http://www.gnu.org/licenses/>.
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16
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17 ## -*- texinfo -*-
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18 ## @deftypefn {Function File} {@var{has_terminal} =} __gnuplot_has_terminal__ (@var{terminal})
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19 ## Undocumented internal function.
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20 ## @end deftypefn
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21
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22 ## Author: Ben Abbott <bpabbott@mac.com>
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23 ## Created: 2010-09-13
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24
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25 function gnuplot_supports_term = __gnuplot_has_terminal__ (term, plot_stream)
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26 term = deblank (term);
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27 n = find (term == " ", 1);
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28 if (! isempty (n))
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29 term = term(1:n-1);
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30 endif
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31 if (__gnuplot_has_feature__ ("variable_GPVAL_TERMINALS"))
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32 if (nargin < 2)
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33 plot_stream = __gnuplot_open_stream__ (2);
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34 endif
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35 available_terminals = __gnuplot_get_var__ (plot_stream, "GPVAL_TERMINALS");
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36 available_terminals = regexp (available_terminals, "\\b\\w+\\b", "match");
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37 if (nargin < 2 && ! isempty (plot_stream))
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38 pclose (plot_stream(1));
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39 if (numel (plot_stream) > 1)
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40 pclose (plot_stream(2));
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41 endif
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42 if (numel (plot_stream) > 2)
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43 waitpid (plot_stream(3));
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44 endif
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45 endif
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46 else
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47 ## Gnuplot 4.0 terminals. No new terminals were added until 4.4 which
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48 ## allows the list of terminals to be obtained from GPVAL_TERMINALS.
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49 available_terminals = {"aifm", "aqua", "canvas", "cgm", "corel", ...
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50 "dumb", "dxf", "eepic", "emf", "epslatex", ...
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51 "epson_180dpi", "fig", "gif", "gnugraph", ...
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52 "gpic", "hp2623A", "hp2648", "hp500c", ...
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53 "hpgl", "hpljii", "hppj", "imagen", "jpeg", ...
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54 "latex", "mf", "mif", "mp", "pbm", "pdf", ...
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55 "pm", "png", "postscript", "pslatex", ...
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56 "pstex", "pstricks", "qms", "regis", "rgip", ...
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57 "svg", "texdraw", "tgif", "tkcanvas", ...
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58 "tpic", "windows", "x11", "xlib", "xterm"};
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59 endif
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60 gnuplot_supports_term = any (strcmpi (available_terminals, term));
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61 endfunction
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62