nextcloud/lib/private/preview/svg.php

46 lines
1.2 KiB
PHP

<?php
/**
* Copyright (c) 2013 Georg Ehrke georg@ownCloud.com
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Preview;
if (extension_loaded('imagick') && count(@\Imagick::queryFormats("SVG")) === 1) {
class SVG extends Provider {
public function getMimeType() {
return '/image\/svg\+xml/';
}
public function getThumbnail($path,$maxX,$maxY,$scalingup,$fileview) {
try{
$svg = new \Imagick();
$svg->setBackgroundColor(new \ImagickPixel('transparent'));
$content = stream_get_contents($fileview->fopen($path, 'r'));
if(substr($content, 0, 5) !== '<?xml') {
$content = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>' . $content;
}
$svg->readImageBlob($content);
$svg->setImageFormat('png32');
} catch (\Exception $e) {
\OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
return false;
}
//new image object
$image = new \OC_Image();
$image->loadFromData($svg);
//check if image object is valid
return $image->valid() ? $image : false;
}
}
\OC\Preview::registerProvider('OC\Preview\SVG');
}