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<?php
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//============================================================+
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// File name   : 2dbarcodes.php
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// Version     : 1.0.007
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// Begin       : 2009-04-07
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// Last Update : 2010-08-08
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// Author      : Nicola Asuni - Tecnick.com S.r.l - Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com
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// License     : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html)
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// -------------------------------------------------------------------
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// Copyright (C) 2009-2010  Nicola Asuni - Tecnick.com S.r.l.
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//
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// This file is part of TCPDF software library.
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//
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// TCPDF is free software: you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// TCPDF is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with TCPDF.  If not, see <http://www.gnu.org/licenses/>.
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//
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// See LICENSE.TXT file for more information.
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// -------------------------------------------------------------------
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//
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// Description : PHP class to creates array representations for
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//               2D barcodes to be used with TCPDF.
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//
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//============================================================+
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/**
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 * PHP class to creates array representations for 2D barcodes to be used with TCPDF.
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 * @package com.tecnick.tcpdf
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 * @abstract Functions for generating string representation of 2D barcodes.
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 * @author Nicola Asuni
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 * @copyright 2009-2009 Nicola Asuni - Tecnick.com S.r.l (www.tecnick.com) Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com
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 * @link http://www.tcpdf.org
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 * @license http://www.gnu.org/copyleft/lesser.html LGPL
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 * @version 1.0.007
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 */
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	/**
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	* PHP class to creates array representations for 2D barcodes to be used with TCPDF (http://www.tcpdf.org).<br>
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	* @name TCPDFBarcode
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	* @package com.tecnick.tcpdf
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	* @version 1.0.007
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	* @author Nicola Asuni
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	* @link http://www.tcpdf.org
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	* @license http://www.gnu.org/copyleft/lesser.html LGPL
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	*/
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class TCPDF2DBarcode {
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	/**
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	 * @var array representation of barcode.
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	 * @access protected
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	 */
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	protected $barcode_array = false;
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	/**
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	 * This is the class constructor.
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	 * Return an array representations for 2D barcodes:<ul>
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	 * <li>$arrcode['code'] code to be printed on text label</li>
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	 * <li>$arrcode['num_rows'] required number of rows</li>
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	 * <li>$arrcode['num_cols'] required number of columns</li>
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	 * <li>$arrcode['bcode'][$r][$c] value of the cell is $r row and $c column (0 = transparent, 1 = black)</li></ul>
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	 * @param string $code code to print
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 	 * @param string $type type of barcode: <ul><li>RAW: raw mode - comma-separad list of array rows</li><li>RAW2: raw mode - array rows are surrounded by square parenthesis.</li><li>QRCODE : QR-CODE Low error correction</li><li>QRCODE,L : QR-CODE Low error correction</li><li>QRCODE,M : QR-CODE Medium error correction</li><li>QRCODE,Q : QR-CODE Better error correction</li><li>QRCODE,H : QR-CODE Best error correction</li><li>PDF417 : PDF417 (ISO/IEC 15438:2006)</li><li>PDF417,a,e,t,s,f,o0,o1,o2,o3,o4,o5,o6 : PDF417 with parameters: a = aspect ratio (width/height); e = error correction level (0-8); t = total number of macro segments; s = macro segment index (0-99998); f = file ID; o0 = File Name (text); o1 = Segment Count (numeric); o2 = Time Stamp (numeric); o3 = Sender (text); o4 = Addressee (text); o5 = File Size (numeric); o6 = Checksum (numeric). NOTES: Parameters t, s and f are required for a Macro Control Block, all other parametrs are optional. To use a comma character ',' on text options, replace it with the character 255: "\xff".</li></ul>
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	 */
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	public function __construct($code, $type) {
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		$this->setBarcode($code, $type);
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	}
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	/**
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	 * Return an array representations of barcode.
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 	 * @return array
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	 */
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	public function getBarcodeArray() {
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		return $this->barcode_array;
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	}
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	/**
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	 * Set the barcode.
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	 * @param string $code code to print
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 	 * @param string $type type of barcode: <ul><li>RAW: raw mode - comma-separad list of array rows</li><li>RAW2: raw mode - array rows are surrounded by square parenthesis.</li><li>QRCODE : QR-CODE Low error correction</li><li>QRCODE,L : QR-CODE Low error correction</li><li>QRCODE,M : QR-CODE Medium error correction</li><li>QRCODE,Q : QR-CODE Better error correction</li><li>QRCODE,H : QR-CODE Best error correction</li><li>PDF417 : PDF417 (ISO/IEC 15438:2006)</li><li>PDF417,a,e,t,s,f,o0,o1,o2,o3,o4,o5,o6 : PDF417 with parameters: a = aspect ratio (width/height); e = error correction level (0-8); t = total number of macro segments; s = macro segment index (0-99998); f = file ID; o0 = File Name (text); o1 = Segment Count (numeric); o2 = Time Stamp (numeric); o3 = Sender (text); o4 = Addressee (text); o5 = File Size (numeric); o6 = Checksum (numeric). NOTES: Parameters t, s and f are required for a Macro Control Block, all other parametrs are optional. To use a comma character ',' on text options, replace it with the character 255: "\xff".</li></ul>
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 	 * @return array
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	 */
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	public function setBarcode($code, $type) {
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		$mode = explode(',', $type);
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		$qrtype = strtoupper($mode[0]);
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		switch ($qrtype) {
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			case 'QRCODE': { // QR-CODE
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				require_once(dirname(__FILE__).'/qrcode.php');
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				if (!isset($mode[1]) OR (!in_array($mode[1],array('L','M','Q','H')))) {
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					$mode[1] = 'L'; // Ddefault: Low error correction
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				}
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				$qrcode = new QRcode($code, strtoupper($mode[1]));
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				$this->barcode_array = $qrcode->getBarcodeArray();
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				break;
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			}
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			case 'PDF417': { // PDF417 (ISO/IEC 15438:2006)
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				require_once(dirname(__FILE__).'/pdf417.php');
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				if (!isset($mode[1]) OR ($mode[1] === '')) {
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					$aspectratio = 2; // default aspect ratio (width / height)
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				} else {
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					$aspectratio = floatval($mode[1]);
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				}
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				if (!isset($mode[2]) OR ($mode[2] === '')) {
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					$ecl = -1; // default error correction level (auto)
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				} else {
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					$ecl = intval($mode[2]);
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				}
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				// set macro block
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				$macro = array();
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				if (isset($mode[3]) AND ($mode[3] !== '') AND isset($mode[4]) AND ($mode[4] !== '') AND isset($mode[5]) AND ($mode[5] !== '')) {
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					$macro['segment_total'] = intval($mode[3]);
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					$macro['segment_index'] = intval($mode[4]);
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					$macro['file_id'] = strtr($mode[5], "\xff", ',');
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					for ($i = 0; $i < 7; ++$i) {
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						$o = $i + 6;
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						if (isset($mode[$o]) AND ($mode[$o] !== '')) {
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							// add option
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							$macro['option_'.$i] = strtr($mode[$o], "\xff", ',');
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						}
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					}
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				}
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				$qrcode = new PDF417($code, $ecl, $aspectratio, $macro);
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				$this->barcode_array = $qrcode->getBarcodeArray();
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				break;
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			}
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			case 'RAW':
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			case 'RAW2': { // RAW MODE
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				// remove spaces
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				$code = preg_replace('/[\s]*/si', '', $code);
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				if (strlen($code) < 3) {
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					break;
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				}
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				if ($qrtype == 'RAW') {
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					// comma-separated rows
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					$rows = explode(',', $code);
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				} else { // RAW2
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					// rows enclosed in square parentheses
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					$code = substr($code, 1, -1);
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					$rows = explode('][', $code);
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				}
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				$this->barcode_array['num_rows'] = count($rows);
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				$this->barcode_array['num_cols'] = strlen($rows[0]);
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				$this->barcode_array['bcode'] = array();
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				foreach ($rows as $r) {
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					$this->barcode_array['bcode'][] = str_split($r, 1);
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				}
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				break;
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			}
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			case 'TEST': { // TEST MODE
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				$this->barcode_array['num_rows'] = 5;
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				$this->barcode_array['num_cols'] = 15;
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				$this->barcode_array['bcode'] = array(
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					array(1,1,1,0,1,1,1,0,1,1,1,0,1,1,1),
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					array(0,1,0,0,1,0,0,0,1,0,0,0,0,1,0),
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					array(0,1,0,0,1,1,0,0,1,1,1,0,0,1,0),
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					array(0,1,0,0,1,0,0,0,0,0,1,0,0,1,0),
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					array(0,1,0,0,1,1,1,0,1,1,1,0,0,1,0));
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				break;
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			}
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			default: {
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				$this->barcode_array = false;
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			}
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		}
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	}
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} // end of class
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//============================================================+
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// END OF FILE
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//============================================================+