<?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;

  use Imagick;

  if (extension_loaded('imagick')) {

  	$checkImagick = new Imagick();

  	if(count($checkImagick->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');
  	}
  }