<?php
  /**
   * Copyright (c) 2013 Frank Karlitschek frank@owncloud.org
   * 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;
  
  class Unknown extends Provider {
  
  	public function getMimeType() {
  		return '/.*/';
  	}
  
  	public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview) {
  		$mimetype = $fileview->getMimeType($path);
  
  		$path = \OC_Helper::mimetypeIcon($mimetype);
  		$path = \OC::$SERVERROOT . substr($path, strlen(\OC::$WEBROOT));
  
  		$svgPath = substr_replace($path, 'svg', -3);
  
  		if (extension_loaded('imagick') && file_exists($svgPath)) {
  
  			// http://www.php.net/manual/de/imagick.setresolution.php#85284
  			$svg = new \Imagick();
  			$svg->readImage($svgPath);
  			$res = $svg->getImageResolution();
  			$x_ratio = $res['x'] / $svg->getImageWidth();
  			$y_ratio = $res['y'] / $svg->getImageHeight();
  			$svg->removeImage();
  			$svg->setResolution($maxX * $x_ratio, $maxY * $y_ratio);
  			$svg->setBackgroundColor(new \ImagickPixel('transparent'));
  			$svg->readImage($svgPath);
  			$svg->setImageFormat('png32');
  
  			$image = new \OC_Image();
  			$image->loadFromData($svg);
  		} else {
  			$image = new \OC_Image($path);
  		}
  
  		return $image;
  	}
  }
  
  \OC\Preview::registerProvider('OC\Preview\Unknown');