Sprite.php

<?php

define('SPRITE_ROOT_DIR', realpath(dirname(__FILE__)));

if(!defined('SPRITE_CONFIG_FILE')){
  define('SPRITE_CONFIG_FILE', SPRITE_ROOT_DIR . '/config/config.yml');
}

/*This will only work with PHP 5 >= 5.1.2*/
spl_autoload_register(array('SpriteBootstrap', 'autoload'));

/*  If you have PHP 5 < 5.1.2 Comment out the above line and do the following:
    1. If you have an __autoload($class) function already add the following line
        after the function definition
        SpriteBootstrap::autoload($class);
    2. If you don't have an autoload function uncomment the following line */
//function __autoload($class){ SpriteBootstrap::autoload($class); }

//If that STILL doesn't work then comment out spl_autoload_register line and uncomment all these requires
/*require_once('classes/SpriteIterable.php');
require_once('classes/Sprite.php');
require_once('classes/SpriteAbstractPacker.php');
require_once('classes/SpriteAbstractPackingNode.php');
require_once('classes/SpriteAbstractParser.php');
require_once('classes/SpriteCache.php');
require_once('classes/SpriteConfig.php');
require_once('classes/SpriteException.php');
require_once('classes/SpriteHashable.php');
require_once('classes/SpriteImage.php');
require_once('classes/SpriteImageRegistry.php');
require_once('classes/SpriteImageWriter.php');
require_once('classes/SpriteRectangle.php');
require_once('classes/SpriteSorter.php');
require_once('classes/SpriteSprite.php');
require_once('classes/SpriteStyleGroup.php');
require_once('classes/SpriteStyleNode.php');
require_once('classes/SpriteStyleRegistry.php');
require_once('classes/SpriteTemplate.php');
require_once('classes/SpriteTemplateRegistry.php');
require_once('classes/Spyc.php');
require_once('packers/SpriteDefaultPacker.php');
require_once('packers/SpriteDefaultPackingNode.php');
require_once('parsers/SpriteDefaultCssParser.php');
require_once('sorters/SpriteAreaSorter.php');
require_once('sorters/SpriteLongestDimensionSorter.php');*/

class SpriteBootstrap
{
  public static function autoload($class_name)
  {
    if(is_array($class_name))
    {
     // $class_name = $class_name[0];
    }
    if(file_exists(SPRITE_ROOT_DIR.'/classes/'.$class_name.'.php'))
    {
      require_once 'classes/'.$class_name . '.php';
    }
    else if(file_exists(SPRITE_ROOT_DIR.'/sorters/'.$class_name.'.php'))
    {
      require_once 'sorters/'.$class_name.'.php';
    }
    else if(file_exists(SPRITE_ROOT_DIR.'/packers/'.$class_name.'.php'))
    {
      require_once 'packers/'.$class_name.'.php';
    }
    else if(file_exists(SPRITE_ROOT_DIR.'/parsers/'.$class_name.'.php'))
    {
      require_once 'parsers/'.$class_name.'.php';
    }
    else
    {
      //throw new Exception('Class loading Failed');
    }
  }
} // SpriteBootstrap()