1<?php 2 3/** 4 * webtrees: online genealogy 5 * Copyright (C) 2021 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 strtolower; 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 $value = parent::canonical($value); 54 $value = strtolower($value); 55 56 return self::EXTENSIONS[$value] ?? $value; 57 } 58} 59