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<?php
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/*vim: set expandtab tabstop=4 shiftwidth=4: */
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// +------------------------------------------------------------------------------------------------------+
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// | PHP version 5.1 |
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// +------------------------------------------------------------------------------------------------------+
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// | Copyright (C) 1999-2006 Tela Botanica (accueil@tela-botanica.org) |
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// +------------------------------------------------------------------------------------------------------+
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// | This file is part of v2.pierredupontdugard.com. |
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// | |
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// | v2.pierredupontdugard.com 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; either version 2 of the License, or |
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// | (at your option) any later version. |
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// | |
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// | v2.pierredupontdugard.com is distributed in the hope that it will be useful, |
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// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// | GNU 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 Foobar; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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// +------------------------------------------------------------------------------------------------------+
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// CVS : $Id$
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/**
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* v2.pierredupontdugard.com - metadonnees.fonct.php
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*
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* Description :
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*
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*@package v2.pierredupontdugard.com
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//Auteur original :
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*@author Jean-Pascal MILCENT <jpm@tela-botanica.org>
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//Autres auteurs :
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*@author Aucun
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*@copyright Tela-Botanica 1999-2008
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*@version $Revision$ $Date$
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// +------------------------------------------------------------------------------------------------------+
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*/
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// +------------------------------------------------------------------------------------------------------+
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// | ENTETE du PROGRAMME |
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// +------------------------------------------------------------------------------------------------------+
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// +------------------------------------------------------------------------------------------------------+
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// | CORPS du PROGRAMME |
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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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return $result;
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}
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if (isset($imginfo['APP13'])) {
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$iptc = iptcparse($imginfo['APP13']);
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if (is_array($iptc)) {
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$rmap = array_flip($map);
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foreach (array_keys($rmap) as $iptc_key) {
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if (isset($iptc[$iptc_key][0])) {
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if ($iptc_key == '2#025') {
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$value = implode(',', array_map('clean_iptc_value',$iptc[$iptc_key]));
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} else {
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$value = clean_iptc_value($iptc[$iptc_key][0]);
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}
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foreach (array_keys($map, $iptc_key) as $pwg_key) {
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$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 $value[0] == chr(0)) {
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$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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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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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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foreach ($map as $key => $field) {
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if (strpos($field, ';') === false) {
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if (isset($exif[$field])) {
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if ($field == 'UserComment') {
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$result[$key] = substr($exif[$field], 8);
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// Récupère l'encodage du champ et supprime les caractères NULL de complétion
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$result[$key.'_encodage'] = substr($exif[$field], 0, strpos($exif[$field] , chr(0)));
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} else {
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$result[$key] = $exif[$field];
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}
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}
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} else {
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$tokens = explode(';', $field);
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if (isset($exif[$tokens[0]][$tokens[1]])) {
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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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/* +--Fin du code ----------------------------------------------------------------------------------------+
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*
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* $Log$
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*
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* +-- Fin du code ----------------------------------------------------------------------------------------+
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*/
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?>
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