<?php // +-----------------------------------------------------------------------+ // | Piwigo - a PHP based picture gallery | // +-----------------------------------------------------------------------+ // | Copyright(C) 2008-2010 Piwigo Team http://piwigo.org | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | // +-----------------------------------------------------------------------+ // | This program is free software; you can redistribute it and/or modify | // | it under the terms of the GNU General Public License as published by | // | the Free Software Foundation | // | | // | This program is distributed in the hope that it will be useful, but | // | WITHOUT ANY WARRANTY; without even the implied warranty of | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | // | General Public License for more details. | // | | // | You should have received a copy of the GNU General Public License | // | along with this program; if not, write to the Free Software | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | // | USA. | // +-----------------------------------------------------------------------+ /** * returns informations from IPTC metadata, mapping is done at the beginning * of the function * * @param string $filename * @return array */ function get_iptc_data($filename, $map) { $result = array(); $imginfo = array(); if (false == @getimagesize($filename, $imginfo) ) { return $result; } if (isset($imginfo['APP13'])) { $iptc = iptcparse($imginfo['APP13']); if (is_array($iptc)) { $rmap = array_flip($map); foreach (array_keys($rmap) as $iptc_key) { if (isset($iptc[$iptc_key][0])) { if ($iptc_key == '2#025') { $value = implode(',', array_map('clean_iptc_value',$iptc[$iptc_key])); } else { $value = clean_iptc_value($iptc[$iptc_key][0]); } foreach (array_keys($map, $iptc_key) as $pwg_key) { $result[$pwg_key] = $value; } } } } } return $result; } /** * return a cleaned IPTC value * * @param string value * @return string */ function clean_iptc_value($value) { // strip leading zeros (weird Kodak Scanner software) while ( isset($value[0]) and $value[0] == chr(0)) { $value = substr($value, 1); } // remove binary nulls $value = str_replace(chr(0x00), ' ', $value); if ( preg_match('/[\x80-\xff]/', $value) ) { // apparently mac uses some MacRoman crap encoding. I don't know // how to detect it so a plugin should do the trick. $value = trigger_event('clean_iptc_value', $value); $is_utf8 = seems_utf8($value); $value = convert_charset( $value, $is_utf8 ? 'utf-8' : 'iso-8859-1', get_pwg_charset() ); } return $value; } /** * returns informations from EXIF metadata, mapping is done at the beginning * of the function * * @param string $filename * @return array */ function get_exif_data($filename, $map) { $result = array(); if (!function_exists('read_exif_data')) { die('Exif extension not available, admin should disable exif use'); } // Read EXIF data if ($exif = @read_exif_data($filename)) { foreach ($map as $key => $field) { if (strpos($field, ';') === false) { if (isset($exif[$field])) { $result[$key] = $exif[$field]; } } else { $tokens = explode(';', $field); if (isset($exif[$tokens[0]][$tokens[1]])) { $result[$key] = $exif[$tokens[0]][$tokens[1]]; } } } } return $result; } ?>