Mercurial > octave-nkf
annotate scripts/plot/whitebg.m @ 12269:3eaad8355678 release-3-4-x
Add functions reset, whitebg to documentation.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Thu, 27 Jan 2011 20:13:45 -0800 |
| parents | c792872f8942 |
| children | 0ee8d7d60c82 |
| rev | line source |
|---|---|
| 11523 | 1 ## Copyright (C) 2010-2011 David Bateman |
| 10725 | 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 | |
| 7 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 8 ## your option) any later version. | |
| 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 | |
| 16 ## along with Octave; see the file COPYING. If not, see | |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 ## -*- texinfo -*- | |
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20 ## @deftypefn {Function File} {} whitebg () |
| 10725 | 21 ## @deftypefnx {Function File} {} whitebg (@var{color}) |
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22 ## @deftypefnx {Function File} {} whitebg ("none") |
| 10725 | 23 ## @deftypefnx {Function File} {} whitebg (@var{fig}) |
| 24 ## @deftypefnx {Function File} {} whitebg (@var{fig}, @var{color}) | |
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25 ## @deftypefnx {Function File} {} whitebg (@var{fig}, "none") |
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26 ## Invert the colors in the current color scheme. The root properties are |
| 10725 | 27 ## also inverted such that all subsequent plot use the new color scheme. |
| 28 ## | |
| 29 ## If defined, @var{fig} is the handle to the figure to be inverted. In | |
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30 ## this case only the specified figure has its color properties changed. |
| 10725 | 31 ## |
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32 ## If the optional argument @var{color} is present then the background color |
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33 ## is set to @var{color} rather than inverted. @var{color} may be a string |
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34 ## representing one of the eight known colors or an RGB triplet. The special |
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35 ## string argument "none" restores the plot to the default colors. |
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parents:
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36 ## @seealso{reset} |
| 10725 | 37 ## @end deftypefn |
| 38 | |
| 39 function whitebg (varargin) | |
| 40 h = 0; | |
| 41 color = NaN; | |
| 42 | |
| 43 if (nargin > 0 && nargin < 2) | |
| 44 if (ishandle (varargin{1})) | |
| 45 h = varargin{1}; | |
| 46 if (nargin == 2) | |
| 47 color = varargin{2}; | |
| 48 endif | |
| 49 elseif (nargin == 1) | |
| 50 color = varargin{1}; | |
| 51 else | |
| 52 print_usage (); | |
| 53 endif | |
| 54 elseif (nargin != 0) | |
| 55 print_usage (); | |
| 56 endif | |
| 57 | |
| 58 typ = get (h, "type"); | |
| 59 | |
| 60 if (strcmp (typ, "root")) | |
| 61 isroot = true; | |
| 62 fig = gcf (); | |
| 63 elseif (strcmp (typ, "figure")) | |
| 64 isroot = false; | |
| 65 fig = h; | |
| 66 else | |
| 67 error ("expecting a figure handle"); | |
| 68 endif | |
| 69 | |
| 70 axes = findall (fig, "type", "axes"); | |
| 71 if (isnan (color)) | |
| 72 ## Root figure. Set the default axes and figure properties so that | |
| 73 ## subsequent plots have the new color scheme | |
| 74 if (isroot) | |
| 75 fac = get (0, "factory"); | |
| 76 fields = fieldnames (fac); | |
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77 fieldindex = intersect (find (!cellfun (@isempty, regexp(fields, '.*color.*'))), union (find (!cellfun (@isempty, regexp(fields, 'factoryaxes.*'))), find (!cellfun (@isempty, regexp(fields, 'factoryfigure.*'))))); |
| 10725 | 78 |
| 79 ## Check whether the factory value has been replaced | |
| 80 for nf = 1 : numel (fieldindex); | |
| 81 defaultfield = strrep (fields {fieldindex (nf)}, "factory", "default"); | |
| 82 try | |
| 83 defaultvalue = 1 - get (0, defaultfield {n}); | |
| 84 catch | |
| 85 field = fields {fieldindex (nf)}; | |
| 86 defaultvalue = 1 - subsref (fac, struct ("type", ".", "subs", field)); | |
| 87 end_try_catch | |
| 88 set (0, defaultfield, defaultvalue); | |
| 89 endfor | |
| 90 endif | |
| 91 | |
| 92 ## Load all objects which qualify for being searched. | |
| 93 handles = fig; | |
| 94 h = fig; | |
| 95 while (numel (handles)) | |
| 96 children = []; | |
| 97 for n = 1 : numel (handles) | |
| 98 children = union (children, get(handles(n), "children")); | |
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99 endfor |
| 10725 | 100 handles = children; |
| 101 h = union (h, children); | |
| 102 endwhile | |
| 103 | |
| 104 for nh = 1 : numel(h) | |
| 105 p = get (h (nh)); | |
| 106 fields = fieldnames (p); | |
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parents:
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changeset
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107 fieldindex = find (!cellfun (@isempty, regexp(fields, '.*color.*'))); |
| 10725 | 108 if (numel (fieldindex)) |
| 109 for nf = 1 : numel (fieldindex); | |
| 110 field = fields {fieldindex (nf)}; | |
| 111 c = subsref (p, struct ("type", ".", "subs", field)); | |
| 112 if (! ischar(c) && columns(c) == 3) | |
| 113 set (h (nh), field, 1 - c); | |
| 114 endif | |
| 115 endfor | |
| 116 endif | |
| 117 | |
| 118 ## If h(nh) is a figure or axes invert default color properties | |
| 119 typ = subsref (p, struct ("type", ".", "subs", "type")); | |
| 120 if (strcmp (typ, "axes") || strcmp (typ, "figure")) | |
| 121 def = get (h (nh), "default"); | |
| 122 fields = fieldnames (def); | |
| 123 if (! isempty (fields)) | |
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11032
c9b0a75b02e8
Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents:
10793
diff
changeset
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124 fieldindex = find (!cellfun (@isempty, regexp(fields, '.*color.*'))); |
| 10725 | 125 for nf = 1 : numel (fieldindex) |
| 126 defaultfield = fields {fieldindex (nf)}; | |
| 127 defaultvalue = 1 - subsref (def, struct ("type", ".", "subs", defaultfield)); | |
| 128 set (h (nh), defaultfield, defaultvalue); | |
| 129 endfor | |
| 130 endif | |
| 131 endif | |
| 132 endfor | |
| 133 else | |
| 134 ## FIXME | |
| 135 ## Is this the right thing to do in this case? | |
| 136 set (findall (fig, "type", "axes"), "color", color); | |
| 137 if (isroot) | |
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12269
3eaad8355678
Add functions reset, whitebg to documentation.
Rik <octave@nomad.inbox5.com>
parents:
11587
diff
changeset
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138 defs = get (0, "default"); |
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11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
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139 if (isfield (defs, "defaultaxescolor") |
| 10725 | 140 && strcmp (defs.defaultaxescolor, "none")) |
| 141 set (0, "defaultaxescolor", color); | |
| 142 endif | |
| 143 endif | |
| 144 endif | |
| 145 endfunction |