167 lines
No EOL
5.8 KiB
PHP
167 lines
No EOL
5.8 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based picture gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008 Piwigo Team http://piwigo.org |
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// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
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// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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// +-----------------------------------------------------------------------+
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// | PhpWebGallery - a PHP based picture gallery |
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// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
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// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
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// +-----------------------------------------------------------------------+
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// | branch : BSF (Best So Far)
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// | file : $Id$
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// | last update : $Date$
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// | last modifier : $Author$
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// | revision : $Revision$
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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/**
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* returns informations from IPTC metadata, mapping is done at the beginning
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* of the function
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*
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* @param string $filename
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* @return array
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*/
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function get_iptc_data($filename, $map)
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{
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$result = array();
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$imginfo = array();
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if (false == @getimagesize($filename, $imginfo) )
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{
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return $result;
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}
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if (isset($imginfo['APP13']))
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{
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$iptc = iptcparse($imginfo['APP13']);
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if (is_array($iptc))
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{
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$rmap = array_flip($map);
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foreach (array_keys($rmap) as $iptc_key)
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{
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if (isset($iptc[$iptc_key][0]))
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{
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if ($iptc_key == '2#025')
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{
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$value = implode(',',
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array_map('clean_iptc_value',$iptc[$iptc_key]));
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}
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else
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{
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$value = clean_iptc_value($iptc[$iptc_key][0]);
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}
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foreach (array_keys($map, $iptc_key) as $pwg_key)
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{
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$result[$pwg_key] = $value;
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}
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}
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}
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}
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}
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return $result;
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}
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/**
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* return a cleaned IPTC value
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*
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* @param string value
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* @return string
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*/
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function clean_iptc_value($value)
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{
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// strip leading zeros (weird Kodak Scanner software)
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while ( isset($value[0]) and $value[0] == chr(0))
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{
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$value = substr($value, 1);
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}
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// remove binary nulls
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$value = str_replace(chr(0x00), ' ', $value);
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if ( preg_match('/[\x80-\xff]/', $value) )
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{
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// apparently mac uses some MacRoman crap encoding. I don't know
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// how to detect it so a plugin should do the trick.
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$value = trigger_event('clean_iptc_value', $value);
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$is_utf8 = seems_utf8($value);
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$value = convert_charset( $value,
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$is_utf8 ? 'utf-8' : 'iso-8859-1',
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get_pwg_charset() );
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}
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return $value;
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}
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/**
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* returns informations from EXIF metadata, mapping is done at the beginning
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* of the function
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*
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* @param string $filename
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* @return array
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*/
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function get_exif_data($filename, $map)
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{
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$result = array();
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if (!function_exists('read_exif_data'))
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{
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die('Exif extension not available, admin should disable exif use');
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}
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// Read EXIF data
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if ($exif = @read_exif_data($filename))
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{
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foreach ($map as $key => $field)
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{
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if (strpos($field, ';') === false)
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{
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if (isset($exif[$field]))
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{
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$result[$key] = $exif[$field];
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}
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}
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else
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{
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$tokens = explode(';', $field);
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if (isset($exif[$tokens[0]][$tokens[1]]))
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{
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$result[$key] = $exif[$tokens[0]][$tokens[1]];
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}
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}
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}
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}
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return $result;
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}
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?>
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