69 lines
2 KiB
PHP
69 lines
2 KiB
PHP
<?php
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/**
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* @author Georg Ehrke <georg@owncloud.com>
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author josh4trunks <joshruehlig@gmail.com>
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* @author Olivier Paroz <github@oparoz.com>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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* @author Thomas Tanghus <thomas@tanghus.net>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\Preview;
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abstract class Image extends Provider {
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/**
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* {@inheritDoc}
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*/
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public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
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//get fileinfo
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$fileInfo = $fileview->getFileInfo($path);
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if (!$fileInfo) {
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return false;
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}
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$maxSizeForImages = \OC::$server->getConfig()->getSystemValue('preview_max_filesize_image', 50);
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$size = $fileInfo->getSize();
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if ($maxSizeForImages !== -1 && $size > ($maxSizeForImages * 1024 * 1024)) {
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return false;
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}
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$image = new \OC_Image();
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$useTempFile = $fileInfo->isEncrypted() || !$fileInfo->getStorage()->isLocal();
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if ($useTempFile) {
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$fileName = $fileview->toTmpFile($path);
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} else {
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$fileName = $fileview->getLocalFile($path);
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}
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$image->loadFromFile($fileName);
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$image->fixOrientation();
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if ($useTempFile) {
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unlink($fileName);
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}
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if ($image->valid()) {
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$image->scaleDownToFit($maxX, $maxY);
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return $image;
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}
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return false;
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}
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}
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