76 lines
1.4 KiB
PHP
76 lines
1.4 KiB
PHP
<?php
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/**
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* Gallery
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*
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* This file is licensed under the Affero General Public License version 3 or
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* later. See the COPYING file.
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*
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* @author Olivier Paroz <galleryapps@oparoz.com>
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*
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* @copyright Olivier Paroz 2014-2016
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*/
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namespace OCA\Gallery\Preview;
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use OCP\Files\File;
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use OCP\Files\NotFoundException;
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use OCP\Image;
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use OCP\IPreview;
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/**
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* Generates previews
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*
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* @package OCA\Gallery\Preview
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*/
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class Preview {
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/**
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* @var IPreview
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*/
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private $previewManager;
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/**
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* Constructor
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*
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* @param IPreview $previewManager
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*/
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public function __construct(
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IPreview $previewManager
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) {
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$this->previewManager = $previewManager;
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}
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/**
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* Returns true if the passed mime type is supported
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*
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* @param string $mimeType
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*
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* @return boolean
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*/
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public function isMimeSupported($mimeType = '*') {
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return $this->previewManager->isMimeSupported($mimeType);
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}
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/**
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* @param File $file
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* @param int $maxX
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* @param int $maxY
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* @param bool $keepAspect
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* @return false|array<string,string|\OC_Image>
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*/
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public function getPreview(File $file, $maxX, $maxY, $keepAspect) {
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try {
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$preview = $this->previewManager->getPreview($file, $maxX, $maxY, !$keepAspect);
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} catch (NotFoundException $e) {
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return false;
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}
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$img = new Image($preview->getContent());
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return [
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'preview' => $img,
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'mimetype' => $img->mimeType()
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];
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}
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}
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