contributions/lib.imagetools/lib/components/imagetoolsfactory.cls.php

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00001 <?php
00002 /**
00003  * Wrapper around common image operations
00004  * 
00005  * Uses either gd or imagick extension, if installed. imagick is preferred.
00006  * 
00007  * @author Gerd Riesselmann
00008  * @ingroup ImageTools
00009  */
00010 class ImageToolsFactory {
00011         const IMPL_GD = 'gd';
00012 
00013         /**
00014          * Create image tools
00015          * 
00016          * @return IImageTools
00017          */
00018         public static function create_imagetools() {
00019                 $ret = false;
00020                 // Find and set implementation
00021                 //if (class_exists('Imagick')) {
00022                 //      require_once dirname(__FILE__) . '/imagetools_impl/imagetools.imagick.cls.php';
00023                 //      ImageTools::set_implementation(new ImageToolsIMagick());        
00024                 //}
00025                 //else {
00026                         self::load(self::IMPL_GD);
00027                         $ret = new ImageToolsGD();              
00028                 //}
00029                 return $ret;    
00030         }
00031 
00032         public static function load($implementation) {
00033                 switch ($implementation) {
00034                         case self::IMPL_GD:
00035                                 require_once dirname(__FILE__) . '/imagetools_impl/imagetools.gd.cls.php';
00036                                 break;
00037                         default:
00038                                 break;
00039                 }
00040         }
00041 }