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<?php /** * Joomla! Content Management System * * @copyright (C) 2005 Open Source Matters, Inc. <https://www.joomla.org> * @license GNU General Public License version 2 or later; see LICENSE */ namespace Joomla\CMS\Image\Filter; \defined('JPATH_PLATFORM') or die; use Joomla\CMS\Image\ImageFilter; /** * Image Filter class to transform an image to grayscale. * * @since 2.5.0 */ class Grayscale extends ImageFilter { /** * Method to apply a filter to an image resource. * * @param array $options An array of options for the filter. * * @return void * * @since 2.5.0 */ public function execute(array $options = []) { // Perform the grayscale filter. imagefilter($this->handle, IMG_FILTER_GRAYSCALE); } }