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<?php
/**
* Nextcloud - Gallery
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Olivier Paroz <galleryapps@oparoz.com>
*
* @copyright Olivier Paroz 2017
*/
namespace OCA\Gallery\Service;
/**
* Base64 encoding utility method
*
* @package OCA\Gallery\Service
*/
trait Base64Encode {
/**
* Returns base64 encoded data of a preview
*
* Using base64_encode for files which are downloaded
* (cached Thumbnails, SVG, GIFs) and using __toStrings
* for the previews which are instances of \OC_Image
*
* @param \OC_Image|string $previewData
*
* @return string
*/
protected function encode($previewData) {
if ($previewData instanceof \OC_Image) {
$previewData = (string)$previewData;
} else {
$previewData = base64_encode($previewData);
}
return $previewData;
}
}