include/qrcode.class.php

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<?php
/**
 * PHP QR Code porting
 *
 * @porting author	dwi.setiyadi@gmail.com
 * @original author	http://phpqrcode.sourceforge.net/
 * 
 * @version		1.0
 */
 
class DedeQrcode
{
	var $cacheable = true;
	var $cachedir = '/cache/';
	var $errorlog = '/logs/';
	var $quality = true;
	var $size = 1024;
	
	function __construct($config = array()) {
		$this->initialize($config);
	}
	
	public function initialize($config = array()) {
		$this->cacheable = (isset($config['cacheable'])) ? $config['cacheable'] : $this->cacheable;
		$this->cachedir = (isset($config['cachedir'])) ? $config['cachedir'] : DEDEDATA.$this->cachedir;
		$this->errorlog = (isset($config['errorlog'])) ? $config['errorlog'] : DEDEDATA.$this->errorlog;
		$this->quality = (isset($config['quality'])) ? $config['quality'] : $this->quality;
		$this->size = (isset($config['size'])) ? $config['size'] : $this->size;
		
		// use cache - more disk reads but less CPU power, masks and format templates are stored there
		if (!defined('QR_CACHEABLE')) define('QR_CACHEABLE', $this->cacheable);
		
		// used when QR_CACHEABLE === true
		if (!defined('QR_CACHE_DIR')) define('QR_CACHE_DIR', $this->cachedir);
		
		// default error logs dir
		if (!defined('QR_LOG_DIR')) define('QR_LOG_DIR', $this->errorlog);
		
		// if true, estimates best mask (spec. default, but extremally slow; set to false to significant performance boost but (propably) worst quality code
		if ($this->quality) {
			if (!defined('QR_FIND_BEST_MASK')) define('QR_FIND_BEST_MASK', true);
		} else {
			if (!defined('QR_FIND_BEST_MASK')) define('QR_FIND_BEST_MASK', false);
			if (!defined('QR_DEFAULT_MASK')) define('QR_DEFAULT_MASK', $this->quality);
		}
		
		// if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly
		if (!defined('QR_FIND_FROM_RANDOM')) define('QR_FIND_FROM_RANDOM', false);
		
		// maximum allowed png image width (in pixels), tune to make sure GD and PHP can handle such big images
		if (!defined('QR_PNG_MAXIMUM_SIZE')) define('QR_PNG_MAXIMUM_SIZE',  $this->size);
	
		// call original library
		require_once dirname(__FILE__)."/qrcode/qrconst.php";
		require_once dirname(__FILE__)."/qrcode/qrtools.php";
		require_once dirname(__FILE__)."/qrcode/qrspec.php";
		require_once dirname(__FILE__)."/qrcode/qrimage.php";
		require_once dirname(__FILE__)."/qrcode/qrinput.php";
		require_once dirname(__FILE__)."/qrcode/qrbitstream.php";
		require_once dirname(__FILE__)."/qrcode/qrsplit.php";