Location: PHPKode > scripts > showplus Image Slideshow > mod_showplus-1.0.5.2/librarian.php
<?php
/**
* @file
* @brief    showplus slideshow module for Joomla
* @author   Levente Hunyadi
* @version  1.0.5
* @remarks  Copyright (C) 2011 Levente Hunyadi
* @remarks  Licensed under GNU/GPLv3, see http://www.gnu.org/licenses/gpl-3.0.html
* @see      http://hunyadi.info.hu/projects/showplus
*/

/*
* showplus slideshow module for Joomla
* Copyright 2009-2010 Levente Hunyadi
*
* showplus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* showplus is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with showplus.  If not, see <http://www.gnu.org/licenses/>.
*/

// no direct access
defined('_JEXEC') or die('Restricted access');

class ShowPlusLibrarian {
	public static function is_gd_supported() {
		$supported = extension_loaded('gd');
		if (!$supported) {
			return false;
		}

		$supported = function_exists('gd_info');  // might fail in rare cases even if GD is available
		if (!$supported) {
			return false;
		}
		$gd = gd_info();
		$supported = isset($gd['GIF Read Support']) && $gd['GIF Read Support']
				&& isset($gd['GIF Create Support']) && $gd['GIF Create Support']
				&& (isset($gd['JPG Support']) && $gd['JPG Support'] || isset($gd['JPEG Support']) && $gd['JPEG Support'])
				&& isset($gd['PNG Support']) && $gd['PNG Support'];
		return $supported;
	}

	public static function is_imagick_supported() {
		$supported = extension_loaded('imagick');
		if (!$supported) {
			return false;
		}

		$supported = class_exists('Imagick');
		return $supported;
	}
}
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