nextcloud/lib/public/preview/iprovider.php

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<?php
/**
* ownCloud
*
* @author Joas Schilling
* @copyright 2015 Joas Schilling nickvergessen@owncloud.com
*
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OCP\Preview;
interface IProvider {
/**
* @return string Regex with the mimetypes that are supported by this provider
*/
public function getMimeType();
/**
* Check if a preview can be generated for $path
*
* @param \OCP\Files\FileInfo $file
* @return bool
*/
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public function isAvailable(\OCP\Files\FileInfo $file);
/**
* get thumbnail for file at path $path
*
* @param string $path Path of file
* @param int $maxX The maximum X size of the thumbnail. It can be smaller depending on the shape of the image
* @param int $maxY The maximum Y size of the thumbnail. It can be smaller depending on the shape of the image
* @param bool $scalingup Disable/Enable upscaling of previews
* @param \OC\Files\View $fileview fileview object of user folder
* @return bool|\OCP\IImage false if no preview was generated
*/
public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview);
}