/usr/share/plplot_octave/legend.m is in octave-plplot 5.9.9-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | ## Copyright (C) 1998-2003 Joao Cardoso.
##
## This program is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by the
## Free Software Foundation; either version 2 of the License, or (at your
## option) any later version.
##
## This program is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## This file is part of plplot_octave.
## legend (status)
## turns the plot legend status "off", "on" == "transparent", or "opaque".
##
## st = legend
## returns the current legend status
##
## legend ( xposition, yposition)
## sets the left top corner legend at position (left)(bottom) 0 <= position <= 1 (right)(top)
##
## legend ("set", "legend 1", "legend 2", ...)
## sets the legend strings, where the string must be equal to the
## format used in the plot, e.g., "r+;legend;".
## To disable an entry, enter one blank, e.g. legend("set","; ;")
function st = legend (x, xpos, varargin)
global __pl
global pl_automatic_replot
strm = __pl_init;
if (nargin == 0)
##__pl.legend(strm) = 2;
##__pl.legend_xpos(strm) = __pl.legend_ypos(strm) = 1;
st = __pl.legend(strm);
elseif (nargin == 1 && isscalar(x) && x >=0 && x <= 2)
__pl.legend(strm) = x;
elseif (nargin == 2 && !ischar(x) && !ischar(xpos))
__pl.legend_xpos(strm) = x;
__pl.legend_ypos(strm) = xpos;
elseif (nargin >= 1 && ischar (x))
if (strcmp ("off", x))
__pl.legend(strm) = 0;
elseif (strcmp ("on", x) || strcmp ("transparent", x))
__pl.legend(strm) = 1;
elseif (strcmp ("opaque", x))
__pl.legend(strm) = 2;
elseif (strcmp ("set", x))
if (nargin >= 2 && ischar(xpos))
__pl.fmt{1,1} = xpos;
i=2;
while (--nargin > 1)
__pl.fmt{i++,strm} = varargin{i-1};
endwhile
endif
else
help "legend"
endif
else
help "legend"
endif
if (exist("pl_automatic_replot"))
if (pl_automatic_replot)
__pl_plotit;
endif
endif
endfunction
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