xref: /webtrees/app/Elements/MultimediaFormat.php (revision 3a3c35160db2b0ae62787c386f75885682bfd3bd)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2022 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Elements;
21
22use function strtoupper;
23
24/**
25 * MULTIMEDIA_FORMAT := {Size=3:4}
26 * [ bmp | gif | jpg | ole | pcx | tif | wav ]
27 * Indicates the format of the multimedia data associated with the specific
28 * GEDCOM context. This allows processors to determine whether they can process
29 * the data object. Any linked files should contain the data required, in the
30 * indicated format, to process the file data.
31 */
32class MultimediaFormat extends AbstractElement
33{
34    protected const SUBTAGS = [
35        'TYPE' => '0:1',
36    ];
37
38    // GEDCOM uses the abbreviated versions of these extensions
39    protected const EXTENSIONS = [
40        'JPEG' => 'JPG',
41        'TIFF' => 'TIF',
42    ];
43
44    /**
45     * Convert a value to a canonical form.
46     *
47     * @param string $value
48     *
49     * @return string
50     */
51    public function canonical(string $value): string
52    {
53        $value = strtoupper(parent::canonical($value));
54
55        return self::EXTENSIONS[$value] ?? $value;
56    }
57}
58