Mercurial > octave-antonio

annotate scripts/image/imread.m @ 17354:040752d07240

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
* scripts/image/imread.m: Fix typo in documentation.
author Michael Goffioul <michael.goffioul@gmail.com>
date Fri, 30 Aug 2013 10:52:16 -0400
parents ba79ba4e83ab
children 9258de031721
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
1 ## Copyright (C) 2013 Carnë Draug
16768
e2de3c8882be copyright notice fixes
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
2 ## Copyright (C) 2008-2012 Thomas L. Scofield
e2de3c8882be copyright notice fixes
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
3 ## Copyright (C) 2008 Kristian Rumberg
e2de3c8882be copyright notice fixes
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
4 ## Copyright (C) 2006 Thomas Weber
e2de3c8882be copyright notice fixes
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
5 ## Copyright (C) 2005 Stefan van der Walt
8920
eb63fbe60fab update copyright notices
John W. Eaton <jwe@octave.org>
parents: 8664
diff changeset
6 ## Copyright (C) 2002 Andy Adler
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
7 ##
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
8 ## This file is part of Octave.
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
9 ##
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
10 ## Octave is free software; you can redistribute it and/or modify it
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
11 ## under the terms of the GNU General Public License as published by
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
12 ## the Free Software Foundation; either version 3 of the License, or (at
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
13 ## your option) any later version.
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
14 ##
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
15 ## Octave is distributed in the hope that it will be useful, but
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
18 ## General Public License for more details.
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
19 ##
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
20 ## You should have received a copy of the GNU General Public License
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
21 ## along with Octave; see the file COPYING. If not, see
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
22 ## <http://www.gnu.org/licenses/>.
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
23
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
24 ## -*- texinfo -*-
16944
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
25 ## @deftypefn {Function File} {[@var{img}, @var{map}, @var{alpha}] =} imread (@var{filename})
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
26 ## @deftypefnx {Function File} {[@dots{}] =} imread (@var{filename}, @var{ext})
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
27 ## @deftypefnx {Function File} {[@dots{}] =} imread (@var{url})
16962
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
28 ## @deftypefnx {Function File} {[@dots{}] =} imread (@dots{}, @var{idx})
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
29 ## @deftypefnx {Function File} {[@dots{}] =} imread (@dots{}, @var{param1}, @var{val1}, @dots{})
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
30 ## Read images from various file formats.
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
31 ##
16944
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
32 ## Reads an image as a matrix from the file @var{filename}. If there is
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
33 ## no file @var{filename}, and @var{ext} was specified, it will look for
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
34 ## a file named @var{filename} and extension @var{ext}, i.e., a file named
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
35 ## @var{filename}.@var{ext}.
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
36 ##
16962
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
37 ## The size and class of the output depends on the
9072
bd8e388043c4 Cleanup documentation for signal.texi, image.texi, audio.texi
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
38 ## format of the image. A color image is returned as an
11591
1d13679b587e Use @nospell macro on certain words in docstrings.
Rik <octave@nomad.inbox5.com>
parents: 11587
diff changeset
39 ## @nospell{MxNx3} matrix. Gray-level and black-and-white images are
16962
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
40 ## of size @nospell{MxN}. Multipage images will have an additional 4th
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
41 ## dimension.
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17338
diff changeset
42 ##
16962
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
43 ## The bit depth of the image determines the
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17338
diff changeset
44 ## class of the output: @qcode{"uint8"}, @qcode{"uint16"} or @qcode{"single"}
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17338
diff changeset
45 ## for gray and color, and @qcode{"logical"} for black and white.
16996
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
46 ## Note that indexed images always return the indexes for a colormap,
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
47 ## independent if @var{map} is a requested output. To obtain the actual
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17338
diff changeset
48 ## RGB image, use @code{ind2rgb}. When more than one indexed image is being
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17338
diff changeset
49 ## read, @var{map} is obtained from the first. In some rare cases this
17354
040752d07240 * scripts/image/imread.m: Fix typo in documentation.
Michael Goffioul <michael.goffioul@gmail.com>
parents: 17350
diff changeset
50 ## may be incorrect and @code{imfinfo} can be used to obtain the colormap of
17350
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17338
diff changeset
51 ## each image.
ba79ba4e83ab Rewrite of imfinfo.
Carnë Draug <carandraug@octave.org>
parents: 17338
diff changeset
52 ##
16962
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
53 ## See the Octave manual for more information in representing images.
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
54 ##
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
55 ## Some file formats, such as TIFF and GIF, are able to store multiple
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
56 ## images in a single file. @var{idx} can be a scalar or vector
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
57 ## specifying the index of the images to read. By default, Octave
fb940d48c6f7 doc: document index argument for reading multipage images.
Carnë Draug <carandraug@octave.org>
parents: 16944
diff changeset
58 ## will only read the first page.
8148
213dd524f96b Improve documentation for image I/O.
sh@sh-laptop
parents: 7931
diff changeset
59 ##
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
60 ## Depending on the file format, it is possible to configure the reading
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
61 ## of images with @var{param}, @var{val} pairs. The following options
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
62 ## are supported:
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
63 ##
16996
a1d091243d11 Read alpha values from indexed images. Always read indexes from indexed images.
Carnë Draug <carandraug@octave.org>
parents: 16984
diff changeset
64 ## @table @samp
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 17171
diff changeset
65 ## @item @qcode{"Frames"} or @qcode{"Index"}
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
66 ## This is an alternative method to specify @var{idx}. When specifying it
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 17171
diff changeset
67 ## in this way, its value can also be the string @qcode{"all"}.
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
68 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 17171
diff changeset
69 ## @item @qcode{"Info"}
17170
d6499c14021c doc: Periodic grammarcheck of documentation.
Rik <rik@octave.org>
parents: 17118
diff changeset
70 ## This option exists for @sc{matlab} compatibility and has no effect. For
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
71 ## maximum performance while reading multiple images from a single file,
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
72 ## use the Index option.
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17086
diff changeset
73 ##
17281
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted.
Rik <rik@octave.org>
parents: 17171
diff changeset
74 ## @item @qcode{"PixelRegion"}
17118
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17086
diff changeset
75 ## Controls the image region that is read. Takes as value a cell array
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17086
diff changeset
76 ## with two arrays of 3 elements @code{@{@var{rows} @var{cols}@}}. The
c97a26408ee0 Implement PixelRegion option for imread().
Carnë Draug <carandraug@octave.org>
parents: 17086
diff changeset
77 ## elements in the array are the start, increment and end pixel to be
17171
c3bd7314643c doc: Periodic spellcheck of documentation.
Rik <rik@octave.org>
parents: 17170
diff changeset
78 ## read. If the increment value is omitted, defaults to 1.
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
79 ## @end table
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
80 ##
16944
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
81 ## @seealso{imwrite, imfinfo, imformats}
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
82 ## @end deftypefn
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
83
16984
997efb8d0b19 imread: implement options Index, Frames, and Info.
Carnë Draug <carandraug@octave.org>
parents: 16967
diff changeset
84 ## Author: Carnë Draug <carandraug@octave.org>
16944
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
85 ## Author: Thomas L. Scofield <scofield@calvin.edu>
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
86 ## Author: Kristian Rumberg <kristianrumberg@gmail.com>
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
87 ## Author: Thomas Weber <thomas.weber.mail@gmail.com>
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
88 ## Author: Stefan van der Walt <stefan@sun.ac.za>
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
89 ## Author: Andy Adler
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
90
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
91 function varargout = imread (varargin)
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
92 if (nargin < 1)
7931
de26beacb20f imread.m: simplify; loadimage.m: deprecate
John W. Eaton <jwe@octave.org>
parents: 7925
diff changeset
93 print_usage ();
16944
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
94 elseif (! ischar (varargin{1}))
11472
1740012184f9 Use uppercase for variable names in error() strings to match Info documentation. Only m-files done.
Rik <octave@nomad.inbox5.com>
parents: 10791
diff changeset
95 error ("imread: FILENAME must be a string");
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
96 endif
16944
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
97 ## In case the file format was specified as a separate argument we
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
98 ## do this. imageIO() will ignore the second part if filename on its
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
99 ## own is enough. And if the second argument was a parameter name instead
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
100 ## of an extension, it is still going to be passed to the next function
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
101 ## since we are passing the whole function input as well.
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
102 filename = {varargin{1}};
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
103 if (nargin > 1 && ischar (varargin {2}))
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
104 filename{2} = varargin{2};
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
105 endif
1b3b3ee88284 Add optional extension argument to image IO functions.
Carnë Draug <carandraug@octave.org>
parents: 16913
diff changeset
106
17086
3db796f89695 Rename private core_imfnc functions to follow the __fnc__ convention style.
Carnë Draug <carandraug@octave.org>
parents: 16996
diff changeset
107 [varargout{1:nargout}] = imageIO (@__imread__, "read", filename, varargin{:});
7925
9316b59903c9 Add original imread() files (from octave-forge) to core octave.
Thomas L. Scofield <scofield AT calvin DOT edu>
parents:
diff changeset
108 endfunction
9382
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
109
17338
1c89599167a6 maint: End m-files with 1 blank line.
Rik <rik@octave.org>
parents: 17281
diff changeset
110
11587
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
111 %!testif HAVE_MAGICK
9382
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
112 %! vpng = [ ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
113 %! 137, 80, 78, 71, 13, 10, 26, 10, 0, 0, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
114 %! 0, 13, 73, 72, 68, 82, 0, 0, 0, 3, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
115 %! 0, 0, 0, 3, 8, 2, 0, 0, 0, 217, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
116 %! 74, 34, 232, 0, 0, 0, 1, 115, 82, 71, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
117 %! 66, 0, 174, 206, 28, 233, 0, 0, 0, 4, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
118 %! 103, 65, 77, 65, 0, 0, 177, 143, 11, 252, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
119 %! 97, 5, 0, 0, 0, 32, 99, 72, 82, 77, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
120 %! 0, 0, 122, 38, 0, 0, 128, 132, 0, 0, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
121 %! 250, 0, 0, 0, 128, 232, 0, 0, 117, 48, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
122 %! 0, 0, 234, 96, 0, 0, 58, 152, 0, 0, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
123 %! 23, 112, 156, 186, 81, 60, 0, 0, 0, 25, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
124 %! 73, 68, 65, 84, 24, 87, 99, 96, 96, 96, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
125 %! 248, 255, 255, 63, 144, 4, 81, 111, 101, 84, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
126 %! 16, 28, 160, 16, 0, 197, 214, 13, 34, 74, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
127 %! 117, 213, 17, 0, 0, 0, 0, 73, 69, 78, ...
ab563d2adc10 image/imread.m Test added.
Alexander Mamonov <mamonov@gmail.com>
parents: 9268
diff changeset
128 %! 68, 174, 66, 96, 130];
16967
52c1b832d98e imread: make sure test file is removed if imread() errors.
Carnë Draug <carandraug@octave.org>
parents: 16962
diff changeset
129 %! filename = [tmpnam() ".png"];
52c1b832d98e imread: make sure test file is removed if imread() errors.
Carnë Draug <carandraug@octave.org>
parents: 16962
diff changeset
130 %! unwind_protect
52c1b832d98e imread: make sure test file is removed if imread() errors.
Carnë Draug <carandraug@octave.org>
parents: 16962
diff changeset
131 %! fid = fopen (filename, "wb");
52c1b832d98e imread: make sure test file is removed if imread() errors.
Carnë Draug <carandraug@octave.org>
parents: 16962
diff changeset
132 %! fwrite (fid, vpng);
52c1b832d98e imread: make sure test file is removed if imread() errors.
Carnë Draug <carandraug@octave.org>
parents: 16962
diff changeset
133 %! fclose (fid);
52c1b832d98e imread: make sure test file is removed if imread() errors.
Carnë Draug <carandraug@octave.org>
parents: 16962
diff changeset
134 %! A = imread (filename);
52c1b832d98e imread: make sure test file is removed if imread() errors.
Carnë Draug <carandraug@octave.org>
parents: 16962
diff changeset
135 %! unwind_protect_cleanup
52c1b832d98e imread: make sure test file is removed if imread() errors.
Carnë Draug <carandraug@octave.org>
parents: 16962
diff changeset
136 %! unlink (filename);
52c1b832d98e imread: make sure test file is removed if imread() errors.
Carnë Draug <carandraug@octave.org>
parents: 16962
diff changeset
137 %! end_unwind_protect
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
138 %! assert (A(:,:,1), uint8 ([0, 255, 0; 255, 237, 255; 0, 255, 0]));
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
139 %! assert (A(:,:,2), uint8 ([0, 255, 0; 255, 28, 255; 0, 255, 0]));
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
140 %! assert (A(:,:,3), uint8 ([0, 255, 0; 255, 36, 255; 0, 255, 0]));
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
141