Mercurial > octave-nkf
annotate scripts/plot/private/__next_line_color__.m @ 14138:72c96de7a403 stable
maint: update copyright notices for 2012
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 02 Jan 2012 14:25:41 -0500 |
| parents | 6f91ca83d2be |
| children | 78a2f43bbc69 |
| rev | line source |
|---|---|
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maint: update copyright notices for 2012
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1 ## Copyright (C) 2007-2012 John W. Eaton |
| 6264 | 2 ## |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
| 8 ## your option) any later version. | |
| 6264 | 9 ## |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 7016 | 16 ## along with Octave; see the file COPYING. If not, see |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 6264 | 18 |
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19 ## -*- texinfo -*- |
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20 ## @deftypefn {Function File} {@var{rgb} =} __next_line_color__ (@var{reset}) |
| 6895 | 21 ## Undocumented internal function. |
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22 ## @end deftypefn |
| 6895 | 23 |
| 6264 | 24 ## Return the next line color in the rotation. |
| 25 | |
| 26 ## Author: jwe | |
| 27 | |
| 28 function rgb = __next_line_color__ (reset) | |
| 29 | |
| 6962 | 30 persistent color_rotation; |
| 31 persistent num_colors; | |
| 32 persistent color_index; | |
| 6264 | 33 |
| 34 if (nargin < 2) | |
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35 if (nargin == 1) |
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36 if (reset || isempty (color_rotation)) |
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37 color_rotation = get (gca (), "colororder"); |
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38 num_colors = rows (color_rotation); |
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39 color_index = 1; |
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40 endif |
| 6962 | 41 elseif (! isempty (color_rotation)) |
| 6265 | 42 rgb = color_rotation(color_index,:); |
| 6264 | 43 if (++color_index > num_colors) |
| 10549 | 44 color_index = 1; |
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45 __next_line_style__ ("incr"); |
| 6264 | 46 endif |
| 6962 | 47 else |
| 48 error ("__next_line_color__: color_rotation not initialized"); | |
| 6264 | 49 endif |
| 50 else | |
| 51 print_usage (); | |
| 52 endif | |
| 53 | |
| 54 endfunction |