Mercurial > octave-antonio
annotate scripts/plot/whitebg.m @ 11523:fd0a3ac60b0e
update copyright notices
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 14 Jan 2011 05:47:45 -0500 |
| parents | c9b0a75b02e8 |
| children | c792872f8942 |
| 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}) |
| 22 ## @deftypefnx {Function File} {} whitebg (@var{fig}) | |
| 23 ## @deftypefnx {Function File} {} whitebg (@var{fig}, @var{color}) | |
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24 ## Invert the colors in the current color scheme. The root properties are |
| 10725 | 25 ## also inverted such that all subsequent plot use the new color scheme. |
| 26 ## | |
| 27 ## If defined, @var{fig} is the handle to the figure to be inverted. In | |
| 28 ## this case only this figure has its color properties changed | |
| 29 ## | |
| 30 ## The background colors of the figure and its children can be set | |
| 31 ## specifically if @var{color} is defined. @var{color} must be a valid | |
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32 ## color set as a string or an RGB triplet, or the value "none". |
| 10725 | 33 ## |
| 34 ## @seealso{reset, colordef} | |
| 35 ## @end deftypefn | |
| 36 | |
| 37 function whitebg (varargin) | |
| 38 h = 0; | |
| 39 color = NaN; | |
| 40 | |
| 41 if (nargin > 0 && nargin < 2) | |
| 42 if (ishandle (varargin{1})) | |
| 43 h = varargin{1}; | |
| 44 if (nargin == 2) | |
| 45 color = varargin{2}; | |
| 46 endif | |
| 47 elseif (nargin == 1) | |
| 48 color = varargin{1}; | |
| 49 else | |
| 50 print_usage (); | |
| 51 endif | |
| 52 elseif (nargin != 0) | |
| 53 print_usage (); | |
| 54 endif | |
| 55 | |
| 56 typ = get (h, "type"); | |
| 57 | |
| 58 if (strcmp (typ, "root")) | |
| 59 isroot = true; | |
| 60 fig = gcf (); | |
| 61 elseif (strcmp (typ, "figure")) | |
| 62 isroot = false; | |
| 63 fig = h; | |
| 64 else | |
| 65 error ("expecting a figure handle"); | |
| 66 endif | |
| 67 | |
| 68 axes = findall (fig, "type", "axes"); | |
| 69 if (isnan (color)) | |
| 70 ## Root figure. Set the default axes and figure properties so that | |
| 71 ## subsequent plots have the new color scheme | |
| 72 if (isroot) | |
| 73 fac = get (0, "factory"); | |
| 74 fields = fieldnames (fac); | |
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75 fieldindex = intersect (find (!cellfun (@isempty, regexp(fields, '.*color.*'))), union (find (!cellfun (@isempty, regexp(fields, 'factoryaxes.*'))), find (!cellfun (@isempty, regexp(fields, 'factoryfigure.*'))))); |
| 10725 | 76 |
| 77 ## Check whether the factory value has been replaced | |
| 78 for nf = 1 : numel (fieldindex); | |
| 79 defaultfield = strrep (fields {fieldindex (nf)}, "factory", "default"); | |
| 80 try | |
| 81 defaultvalue = 1 - get (0, defaultfield {n}); | |
| 82 catch | |
| 83 field = fields {fieldindex (nf)}; | |
| 84 defaultvalue = 1 - subsref (fac, struct ("type", ".", "subs", field)); | |
| 85 end_try_catch | |
| 86 set (0, defaultfield, defaultvalue); | |
| 87 endfor | |
| 88 endif | |
| 89 | |
| 90 ## Load all objects which qualify for being searched. | |
| 91 handles = fig; | |
| 92 h = fig; | |
| 93 while (numel (handles)) | |
| 94 children = []; | |
| 95 for n = 1 : numel (handles) | |
| 96 children = union (children, get(handles(n), "children")); | |
| 97 endfor | |
| 98 handles = children; | |
| 99 h = union (h, children); | |
| 100 endwhile | |
| 101 | |
| 102 for nh = 1 : numel(h) | |
| 103 p = get (h (nh)); | |
| 104 fields = fieldnames (p); | |
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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
|
105 fieldindex = find (!cellfun (@isempty, regexp(fields, '.*color.*'))); |
| 10725 | 106 if (numel (fieldindex)) |
| 107 for nf = 1 : numel (fieldindex); | |
| 108 field = fields {fieldindex (nf)}; | |
| 109 c = subsref (p, struct ("type", ".", "subs", field)); | |
| 110 if (! ischar(c) && columns(c) == 3) | |
| 111 set (h (nh), field, 1 - c); | |
| 112 endif | |
| 113 endfor | |
| 114 endif | |
| 115 | |
| 116 ## If h(nh) is a figure or axes invert default color properties | |
| 117 typ = subsref (p, struct ("type", ".", "subs", "type")); | |
| 118 if (strcmp (typ, "axes") || strcmp (typ, "figure")) | |
| 119 def = get (h (nh), "default"); | |
| 120 fields = fieldnames (def); | |
| 121 if (! isempty (fields)) | |
|
11032
c9b0a75b02e8
Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents:
10793
diff
changeset
|
122 fieldindex = find (!cellfun (@isempty, regexp(fields, '.*color.*'))); |
| 10725 | 123 for nf = 1 : numel (fieldindex) |
| 124 defaultfield = fields {fieldindex (nf)}; | |
| 125 defaultvalue = 1 - subsref (def, struct ("type", ".", "subs", defaultfield)); | |
| 126 set (h (nh), defaultfield, defaultvalue); | |
| 127 endfor | |
| 128 endif | |
| 129 endif | |
| 130 endfor | |
| 131 else | |
| 132 ## FIXME | |
| 133 ## Is this the right thing to do in this case? | |
| 134 set (findall (fig, "type", "axes"), "color", color); | |
| 135 if (isroot) | |
| 136 defs = get (0, "defaults"); | |
| 137 if (isfield (defs, "defaultaxescolor") | |
| 138 && strcmp (defs.defaultaxescolor, "none")) | |
| 139 set (0, "defaultaxescolor", color); | |
| 140 endif | |
| 141 endif | |
| 142 endif | |
| 143 endfunction |