File Manager

<?php /** * @copyright Copyright (c) 2009-2017 Ryan Demmer. All rights reserved * @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved * @license GNU/GPL 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * JCE is free software. This version may have been modified pursuant * to the GNU General Public License, and as distributed it includes or * is derivative of works licensed under the GNU General Public License or * other free or open source software licenses. * * Based on JImage library from Joomla.Platform 11.3 */ defined('_JEXEC') or die; /** * Image Filter class adjust the smoothness of an image. */ class WFImageGDFilterInvert extends WFImageGDFilter { /** * Method to apply a filter to an image resource. * * @param array $options An array of options for the filter * * @throws InvalidArgumentException * @throws RuntimeException */ public function execute(array $options = array()) { // Verify that image filter support for PHP is available. if (!function_exists('imagefilter')) { throw new RuntimeException('The imagefilter function for PHP is not available.'); } // Perform the smoothing filter. imagefilter($this->handle, IMG_FILTER_NEGATE); } }