X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=vendor%2Flsolesen%2Fpel%2Fsrc%2FPelEntryCopyright.php;fp=vendor%2Flsolesen%2Fpel%2Fsrc%2FPelEntryCopyright.php;h=eb8f20988e1073862a9b38116594227fae26dc4f;hp=0000000000000000000000000000000000000000;hb=0bf8d09d2542548982e81a441b1f16e75873a04f;hpb=74df008bdbb3a11eeea356744f39b802369bda3c diff --git a/vendor/lsolesen/pel/src/PelEntryCopyright.php b/vendor/lsolesen/pel/src/PelEntryCopyright.php new file mode 100644 index 000000000..eb8f20988 --- /dev/null +++ b/vendor/lsolesen/pel/src/PelEntryCopyright.php @@ -0,0 +1,191 @@ + + * @license http://www.gnu.org/licenses/gpl.html GNU General Public + * License (GPL) + * @package PEL + */ + +/** + * Class for holding copyright information. + * + * The Exif standard specifies a certain format for copyright + * information where the one {@link PelTag::COPYRIGHT copyright + * tag} holds both the photographer and editor copyrights, separated + * by a NULL character. + * + * This class is used to manipulate that tag so that the format is + * kept to the standard. A common use would be to add a new copyright + * tag to an image, since most cameras do not add this tag themselves. + * This would be done like this: + * + * + * $entry = new PelEntryCopyright('Copyright, Martin Geisler, 2004'); + * $ifd0->addEntry($entry); + * + * + * Here we only set the photographer copyright, use the optional + * second argument to specify the editor copyright. If there is only + * an editor copyright, then let the first argument be the empty + * string. + * + * @author Martin Geisler + * @package PEL + */ +class PelEntryCopyright extends PelEntryAscii +{ + + /** + * The photographer copyright. + * + * @var string + */ + private $photographer; + + /** + * The editor copyright. + * + * @var string + */ + private $editor; + + /** + * Make a new entry for holding copyright information. + * + * @param + * string the photographer copyright. Use the empty string + * if there is no photographer copyright. + * + * @param + * string the editor copyright. Use the empty string if + * there is no editor copyright. + */ + public function __construct($photographer = '', $editor = '') + { + parent::__construct(PelTag::COPYRIGHT); + $this->setValue($photographer, $editor); + } + + /** + * Update the copyright information. + * + * @param + * string the photographer copyright. Use the empty string + * if there is no photographer copyright. + * + * @param + * string the editor copyright. Use the empty string if + * there is no editor copyright. + */ + public function setValue($photographer = '', $editor = '') + { + $this->photographer = $photographer; + $this->editor = $editor; + + if ($photographer == '' && $editor != '') { + $photographer = ' '; + } + + if ($editor == '') { + parent::setValue($photographer); + } else { + parent::setValue($photographer . chr(0x00) . $editor); + } + } + + /** + * Retrive the copyright information. + * + * The strings returned will be the same as the one used previously + * with either {@link __construct the constructor} or with {@link + * setValue}. + * + * @return array an array with two strings, the photographer and + * editor copyrights. The two fields will be returned in that + * order, so that the first array index will be the photographer + * copyright, and the second will be the editor copyright. + */ + public function getValue() + { + return array( + $this->photographer, + $this->editor + ); + } + + /** + * Return a text string with the copyright information. + * + * The photographer and editor copyright fields will be returned + * with a '-' in between if both copyright fields are present, + * otherwise only one of them will be returned. + * + * @param + * boolean if false, then the strings '(Photographer)' and + * '(Editor)' will be appended to the photographer and editor + * copyright fields (if present), otherwise the fields will be + * returned as is. + * + * @return string the copyright information in a string. + */ + public function getText($brief = false) + { + if ($brief) { + $p = ''; + $e = ''; + } else { + $p = ' ' . Pel::tra('(Photographer)'); + $e = ' ' . Pel::tra('(Editor)'); + } + + if ($this->photographer != '' && $this->editor != '') { + return $this->photographer . $p . ' - ' . $this->editor . $e; + } + + if ($this->photographer != '') { + return $this->photographer . $p; + } + + if ($this->editor != '') { + return $this->editor . $e; + } + + return ''; + } +}