xref: /webtrees/app/Elements/MultimediaFormat.php (revision ab7d502d6e21fce22ef7e8634279d4f64a07eae4)
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 Fisharebest\Webtrees\Services\MediaFileService;
23
24use function strtoupper;
25
26/**
27 * MULTIMEDIA_FORMAT := {Size=3:4}
28 * [ bmp | gif | jpg | ole | pcx | tif | wav ]
29 * Indicates the format of the multimedia data associated with the specific
30 * GEDCOM context. This allows processors to determine whether they can process
31 * the data object. Any linked files should contain the data required, in the
32 * indicated format, to process the file data.
33 */
34class MultimediaFormat extends AbstractElement
35{
36    protected const SUBTAGS = [
37        'TYPE' => '0:1',
38    ];
39
40    /**
41     * Convert a value to a canonical form.
42     *
43     * @param string $value
44     *
45     * @return string
46     */
47    public function canonical(string $value): string
48    {
49        $value = strtoupper(parent::canonical($value));
50
51        return MediaFileService::EXTENSION_TO_FORM[$value] ?? $value;
52    }
53}
54