Mercurial > octave-nkf
diff scripts/plot/private/__next_line_color__.m @ 12793:6f91ca83d2be
codesprint : Make many plot helper functions private.
* plot/module.mk : Update where to find files for Automake
*__fltk_ginput__.m, __fltk_print__.m, __gnuplot_drawnow__.m,
__gnuplot_get_var__.m, __gnuplot_ginput__.m, __gnuplot_has_feature__.m,
__gnuplot_open_stream__.m, __gnuplot_print__.m, __gnuplot_version__.m,
__go_draw_axes__.m, __go_draw_figure__.m, __marching_cube__.m,
__next_line_color__.m, __next_line_style__.m, __print_parse_opts__.m: Move
helper functions into plot/private/ directory.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Sat, 16 Jul 2011 09:28:26 -0700 |
| parents | scripts/plot/__next_line_color__.m@c792872f8942 |
| children | 72c96de7a403 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/scripts/plot/private/__next_line_color__.m Sat Jul 16 09:28:26 2011 -0700 @@ -0,0 +1,54 @@ +## Copyright (C) 2007-2011 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/>. + +## -*- texinfo -*- +## @deftypefn {Function File} {@var{rgb} =} __next_line_color__ (@var{reset}) +## Undocumented internal function. +## @end deftypefn + +## 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) + if (reset || isempty (color_rotation)) + color_rotation = get (gca (), "colororder"); + num_colors = rows (color_rotation); + color_index = 1; + endif + elseif (! isempty (color_rotation)) + rgb = color_rotation(color_index,:); + if (++color_index > num_colors) + color_index = 1; + __next_line_style__ ("incr"); + endif + else + error ("__next_line_color__: color_rotation not initialized"); + endif + else + print_usage (); + endif + +endfunction