49 lines
1.2 KiB
PHP
49 lines
1.2 KiB
PHP
<?php
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/**
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* Copyright (c) 2013 Georg Ehrke georg@ownCloud.com
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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namespace OC\Preview;
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class SVG extends Provider {
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/**
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* {@inheritDoc}
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*/
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public function getMimeType() {
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return '/image\/svg\+xml/';
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}
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/**
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* {@inheritDoc}
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*/
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public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
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try{
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$svg = new \Imagick();
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$svg->setBackgroundColor(new \ImagickPixel('transparent'));
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$content = stream_get_contents($fileview->fopen($path, 'r'));
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if(substr($content, 0, 5) !== '<?xml') {
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$content = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>' . $content;
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}
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// Do not parse SVG files with references
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if(stripos($content, 'xlink:href') !== false) {
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return false;
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}
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$svg->readImageBlob($content);
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$svg->setImageFormat('png32');
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} catch (\Exception $e) {
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\OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
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return false;
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}
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//new image object
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$image = new \OC_Image();
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$image->loadFromData($svg);
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//check if image object is valid
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return $image->valid() ? $image : false;
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}
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}
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