92 lines
2.9 KiB
Plaintext
92 lines
2.9 KiB
Plaintext
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<?php
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/*
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2007 Bharat Mediratta
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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; either version 2 of the License, or (at
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* your option) any later version.
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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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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GalleryCoreApi::requireOnce('modules/exif/classes/ExifInterface_1_0.class');
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/**
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* Implementation of the ExifInterface for pulling EXIF data from a set of target items
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* @package Exif
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* @subpackage Classes
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* @author Alan Harder <alan.harder@sun.com>
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* @author Georg Rehfeld <rehfeld@georg-rehfeld.de>
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* @version $Revision: 15513 $
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*/
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class ExifExtractor extends ExifInterface_1_0 {
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/**
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* @see ExifInterface_1_0::getMetaData
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*/
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function getMetaData($itemIds, $properties=array()) {
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global $gallery;
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GalleryCoreApi::requireOnce('modules/exif/lib/exifer/exif.inc');
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if (!is_array($itemIds)) {
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$itemIds = array($itemIds);
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}
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if (!is_array($properties)) {
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$properties = array($properties);
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}
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$data = array();
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foreach ($itemIds as $itemId) {
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list ($ret, $item) = GalleryCoreApi::loadEntitiesById($itemId);
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if ($ret) {
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return array($ret, null);
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}
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/* Only look at JPEG/raw DataItems.. */
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if (!GalleryUtilities::isA($item, 'GalleryDataItem') ||
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!preg_match('{^image/(p?jpeg(-cmyk)?|x-dcraw)$}', $item->getMimeType())) {
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continue;
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}
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list ($ret, $path) = $item->fetchPath();
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if ($ret) {
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return array($ret, null);
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}
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$data[$itemId] = array();
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$rawExifData = read_exif_data_raw($path, false);
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GalleryCoreApi::requireOnce('modules/exif/classes/ExifHelper.class');
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list ($ret, $iptcObj) = ExifHelper::getIptcObject($path);
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if ($ret) {
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return array($ret, null);
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}
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foreach (ExifHelper::getExifKeys() as $property => $keyData) {
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if (!empty($properties) && !in_array($property, $properties)) {
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continue;
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}
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for ($i = 1; $i < count($keyData); $i++) {
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$value = ExifHelper::getExifValue($rawExifData, explode('.', $keyData[$i]));
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if (!isset($value)) {
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$value = ExifHelper::getIptcValue($iptcObj, explode('.', $keyData[$i]));
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}
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if (isset($value)) {
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$value = ExifHelper::postProcessValue($property, $value);
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$data[$itemId][$property] =
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array('title' => $keyData[0], 'value' => $value);
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break;
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}
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}
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}
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}
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return array(null, $data);
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}
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}
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?>
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