Mercurial > hg > octave-lyh
annotate scripts/plot/whitebg.m @ 11233:1dfbcc9eee92
eliminate special cases for __DECCXX
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 10 Nov 2010 21:11:43 -0500 |
parents | c9b0a75b02e8 |
children | fd0a3ac60b0e |
rev | line source |
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10725 | 1 ## Copyright (C) 2010 David Bateman |
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 -*- | |
10793
be55736a0783
Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents:
10725
diff
changeset
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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}) | |
10793
be55736a0783
Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents:
10725
diff
changeset
|
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 | |
10793
be55736a0783
Grammarcheck the documentation from m-files.
Rik <octave@nomad.inbox5.com>
parents:
10725
diff
changeset
|
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); | |
11032
c9b0a75b02e8
Make all regexp in Octave compatible with both POSIX and PCRE.
Rik <octave@nomad.inbox5.com>
parents:
10793
diff
changeset
|
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); | |
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 |