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<?php
//============================================================+
// File name   : 2dbarcodes.php
// Begin       : 2009-04-07
// Last Update : 2010-04-30
// Version     : 1.0.003
// License     : GNU LGPL (http://www.gnu.org/copyleft/lesser.html)
// 	----------------------------------------------------------------------------
//  Copyright (C) 2008-2009 Nicola Asuni - Tecnick.com S.r.l.
//
// 	This program is free software: you can redistribute it and/or modify
// 	it under the terms of the GNU Lesser General Public License as published by
// 	the Free Software Foundation, either version 2.1 of the License, or
// 	(at your option) any later version.
//
// 	This program 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 Lesser General Public License for more details.
//
// 	You should have received a copy of the GNU Lesser General Public License
// 	along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// 	See LICENSE.TXT file for more information.
//  ----------------------------------------------------------------------------
//
// Description : PHP class to creates array representations for
//               2D barcodes to be used with TCPDF.
//
// Author: Nicola Asuni
//
// (c) Copyright:
//               Nicola Asuni
//               Tecnick.com S.r.l.
//               Via della Pace, 11
//               09044 Quartucciu (CA)
//               ITALY
//               www.tecnick.com
//               info@tecnick.com
//============================================================+

/**
 * PHP class to creates array representations for 2D barcodes to be used with TCPDF.
 * @package com.tecnick.tcpdf
 * @abstract Functions for generating string representation of 2D barcodes.
 * @author Nicola Asuni
 * @copyright 2008-2009 Nicola Asuni - Tecnick.com S.r.l (www.tecnick.com) Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com
 * @link http://www.tcpdf.org
 * @license http://www.gnu.org/copyleft/lesser.html LGPL
 * @version 1.0.003
 */

/**
	* PHP class to creates array representations for 2D barcodes to be used with TCPDF (http://www.tcpdf.org).<br>
	* @name TCPDFBarcode
	* @package com.tecnick.tcpdf
	* @version 1.0.003
	* @author Nicola Asuni
	* @link http://www.tcpdf.org
	* @license http://www.gnu.org/copyleft/lesser.html LGPL
	*/
class TCPDF2DBarcode {

/**
	 * @var array representation of barcode.
	 * @access protected
	 */
	protected $barcode_array = false;

/**
	 * This is the class constructor.
	 * Return an array representations for 2D barcodes:<ul>
	 * <li>$arrcode['code'] code to be printed on text label</li>
	 * <li>$arrcode['num_rows'] required number of rows</li>
	 * <li>$arrcode['num_cols'] required number of columns</li>
	 * <li>$arrcode['bcode'][$r][$c] value of the cell is $r row and $c column (0 = transparent, 1 = black)</li></ul>
	 * @param string $code code to print
 	 * @param string $type type of barcode: <ul>li>RAW: raw mode - comma-separad list of array rows</li><li>RAW2: raw mode - array rows are surrounded by square parenthesis.</li><li>QRCODE : QR-CODE Low error correction</li><li>QRCODE,L : QR-CODE Low error correction</li><li>QRCODE,M : QR-CODE Medium error correction</li><li>QRCODE,Q : QR-CODE Better error correction</li><li>QRCODE,H : QR-CODE Best error correction</li></ul>
	 */
	public function __construct($code, $type) {
		$this->setBarcode($code, $type);
	}

/**
	 * Return an array representations of barcode.
 	 * @return array
	 */
	public function getBarcodeArray() {
		return $this->barcode_array;
	}

/**
	 * Set the barcode.
	 * @param string $code code to print
 	 * @param string $type type of barcode: <ul><li>RAW: raw mode - comma-separad list of array rows</li><li>RAW2: raw mode - array rows are surrounded by square parenthesis.</li><li>QRCODE : QR-CODE Low error correction</li><li>QRCODE,L : QR-CODE Low error correction</li><li>QRCODE,M : QR-CODE Medium error correction</li><li>QRCODE,Q : QR-CODE Better error correction</li><li>QRCODE,H : QR-CODE Best error correction</li></ul>
 	 * @return array
	 */
	public function setBarcode($code, $type) {
		$mode = explode(',', $type);
		$qrtype = strtoupper($mode[0]);
		switch ($qrtype) {
			case 'QRCODE': { // QR-CODE
				require_once(dirname(__FILE__).'/qrcode.php');
				if (!isset($mode[1]) OR (!in_array($mode[1],array('L','M','Q','H')))) {
					$mode[1] = 'L'; // Ddefault: Low error correction
				}
				$qrcode = new QRcode($code, strtoupper($mode[1]));
				$this->barcode_array = $qrcode->getBarcodeArray();
				break;
			}
			case 'RAW':
			case 'RAW2': { // RAW MODE
				// remove spaces
				$code = preg_replace('/[\s]*/si', '', $code);
				if (strlen($code) < 3) {
					break;
				}
				if ($qrtype == 'RAW') {
					// comma-separated rows
					$rows = explode(',', $code);
				} else {
					// rows enclosed in square parethesis
					$code = substr($code, 1, -1);
					$rows = explode('][', $code);
				}
				$this->barcode_array['num_rows'] = count($rows);
				$this->barcode_array['num_cols'] = strlen($rows[0]);
				$this->barcode_array['bcode'] = array();
				foreach ($rows as $r) {
					$this->barcode_array['bcode'][] = str_split($r, 1);
				}
				break;
			}
			case 'TEST': { // TEST MODE
				$this->barcode_array['num_rows'] = 5;
				$this->barcode_array['num_cols'] = 15;
				$this->barcode_array['bcode'] = array(
					array(1,1,1,0,1,1,1,0,1,1,1,0,1,1,1),
					array(0,1,0,0,1,0,0,0,1,0,0,0,0,1,0),
					array(0,1,0,0,1,1,0,0,1,1,1,0,0,1,0),
					array(0,1,0,0,1,0,0,0,0,0,1,0,0,1,0),
					array(0,1,0,0,1,1,1,0,1,1,1,0,0,1,0));
				break;
			}
			default: {
				$this->barcode_array = false;
			}
		}
	}
} // end of class

//============================================================+
// END OF FILE
//============================================================+
?>

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