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<?php
/**
* @author Georg Ehrke <georg@owncloud.com>
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Olivier Paroz <github@oparoz.com>
* @author Robin Appelman <icewind@owncloud.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Thomas Tanghus <thomas@tanghus.net>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Preview;
abstract class Image extends Provider {
/**
* {@inheritDoc}
*/
public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
//get fileinfo
$fileInfo = $fileview->getFileInfo($path);
if (!$fileInfo) {
return false;
}
$maxSizeForImages = \OC::$server->getConfig()->getSystemValue('preview_max_filesize_image', 50);
$size = $fileInfo->getSize();
if ($maxSizeForImages !== -1 && $size > ($maxSizeForImages * 1024 * 1024)) {
return false;
}
$image = new \OC_Image();
$useTempFile = $fileInfo->isEncrypted() || !$fileInfo->getStorage()->isLocal();
if ($useTempFile) {
$fileName = $fileview->toTmpFile($path);
} else {
$fileName = $fileview->getLocalFile($path);
}
$image->loadFromFile($fileName);
if ($useTempFile) {
unlink($fileName);
}
$image->fixOrientation();
if ($image->valid()) {
$image->scaleDownToFit($maxX, $maxY);
return $image;
}
return false;
}
}
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