Mercurial > octave-nkf
view scripts/plot/__next_line_color__.m @ 7334:274d9642ac10 release-3-0-0
[project @ 2007-12-22 01:42:45 by jwe]
author | jwe |
---|---|
date | Sat, 22 Dec 2007 01:42:46 +0000 |
parents | 93c65f2a5668 |
children | 7d48766c21a5 |
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## Copyright (C) 2007 John W. Eaton ## ## This file is part of Octave. ## ## Octave 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 3 of the License, or (at ## your option) any later version. ## ## Octave 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. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <http://www.gnu.org/licenses/>. ## Undocumented internal function. ## Return the next line color in the rotation. ## Author: jwe function rgb = __next_line_color__ (reset) persistent color_rotation; persistent num_colors; persistent color_index; if (nargin < 2) if (nargin == 1 && reset) color_rotation = get (gca (), "colororder"); num_colors = rows (color_rotation); color_index = 1; elseif (! isempty (color_rotation)) rgb = color_rotation(color_index,:); if (++color_index > num_colors) color_index = 1; endif else error ("__next_line_color__: color_rotation not initialized"); endif else print_usage (); endif endfunction