1. Import
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html/include/barcode_php8/class/BCGmsi.barcode.php
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170
html/include/barcode_php8/class/BCGmsi.barcode.php
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<?php
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/**
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* BCGmsi.barcode.php
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*--------------------------------------------------------------------
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*
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* Sub-Class - MSI Plessey
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*
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*--------------------------------------------------------------------
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* Revision History
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* v2.0.1 8 mar 2009 Jean-Sébastien Goupil Fix checksum 1 or 2
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* v2.0.0 23 apr 2008 Jean-Sébastien Goupil New Version Update
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* v1.2.3b 31 dec 2005 Jean-Sébastien Goupil Checksum separated + PHP5.1 compatible
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* v1.2.2 23 jul 2005 Jean-Sébastien Goupil Enhance rapidity
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* v1.2.1 27 jun 2005 Jean-Sébastien Goupil Font support added
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* V1.00 17 jun 2004 Jean-Sebastien Goupil
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*--------------------------------------------------------------------
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* $Id: BCGmsi.barcode.php,v 1.9 2009/11/09 04:13:35 jsgoupil Exp $
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* PHP5-Revision: 1.10
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*--------------------------------------------------------------------
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* Copyright (C) Jean-Sebastien Goupil
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* http://www.barcodephp.com
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*/
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include_once('BCGBarcode1D.php');
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class BCGmsi extends BCGBarcode1D {
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var $checksum;
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/**
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* Constructor
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*/
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function BCGmsi() {
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BCGBarcode1D::BCGBarcode1D();
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$this->keys = array('0','1','2','3','4','5','6','7','8','9');
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$this->code = array(
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'01010101', /* 0 */
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'01010110', /* 1 */
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'01011001', /* 2 */
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'01011010', /* 3 */
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'01100101', /* 4 */
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'01100110', /* 5 */
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'01101001', /* 6 */
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'01101010', /* 7 */
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'10010101', /* 8 */
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'10010110' /* 9 */
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);
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$this->setChecksum(0);
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}
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function setChecksum($checksum) {
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$checksum = intval($checksum);
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if($checksum < 0 && $checksum > 2) {
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$checksum = 0;
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}
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$this->checksum = $checksum;
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}
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/**
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* Draws the barcode
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*
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* @param resource $im
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*/
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function draw(&$im) {
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$error_stop = false;
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// Checking if all chars are allowed
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$c = strlen($this->text);
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for($i = 0; $i < $c; $i++) {
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if(array_search($this->text[$i], $this->keys) === false) {
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$this->drawError($im, 'Char \'' . $this->text[$i] . '\' not allowed.');
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$error_stop = true;
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}
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}
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if($error_stop === false) {
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// Checksum
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$this->calculateChecksum();
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// Starting Code
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$this->drawChar($im, '10', true);
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// Chars
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$c = strlen($this->text);
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for($i = 0; $i < $c; $i++) {
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$this->drawChar($im, $this->findCode($this->text[$i]), true);
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}
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$c = count($this->checksumValue);
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for($i = 0; $i < $c; $i++) {
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$this->drawChar($im, $this->findCode($this->checksumValue[$i]), true);
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}
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// Ending Code
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$this->drawChar($im, '010', true);
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$this->drawText($im);
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}
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}
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/**
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* Returns the maximal size of a barcode
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*
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* @return int[]
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*/
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function getMaxSize() {
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$p = BCGBarcode1D::getMaxSize();
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$textlength = 12 * strlen($this->text) * $this->scale;
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$startlength = 3 * $this->scale;
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$checksumlength = $this->checksum * 12 * $this->scale;
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$endlength = 4 * $this->scale;
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return array($p[0] + $startlength + $textlength + $checksumlength + $endlength, $p[1]);
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}
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/**
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* Overloaded method to calculate checksum
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*/
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function calculateChecksum() {
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// Forming a new number
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// If the original number is even, we take all even position
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// If the original number is odd, we take all odd position
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// 123456 = 246
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// 12345 = 135
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// Multiply by 2
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// Add up all the digit in the result (270 : 2+7+0)
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// Add up other digit not used.
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// 10 - (? Modulo 10). If result = 10, change to 0
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$last_text = $this->text;
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$this->checksumValue = array();
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for($i = 0; $i < $this->checksum; $i++) {
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$new_text = '';
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$new_number = 0;
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$c = strlen($last_text);
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if($c % 2 === 0) { // Even
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$starting = 1;
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} else {
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$starting = 0;
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}
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for($j = $starting; $j < $c; $j += 2) {
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$new_text .= $last_text[$j];
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}
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$new_text = strval(intval($new_text) * 2);
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$c2 = strlen($new_text);
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for($j = 0; $j < $c2; $j++) {
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$new_number += intval($new_text[$j]);
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}
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for($j = ($starting === 0) ? 1 : 0; $j < $c; $j += 2) {
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$new_number += intval($last_text[$j]);
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}
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$new_number = (10 - $new_number % 10) % 10;
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$this->checksumValue[] = $new_number;
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$last_text .= $new_number;
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}
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}
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/**
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* Overloaded method to display the checksum
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*/
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function processChecksum() {
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if($this->checksumValue === false) { // Calculate the checksum only once
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$this->calculateChecksum();
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}
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if($this->checksumValue !== false) {
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$ret = '';
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$c = count($this->checksumValue);
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for($i = 0; $i < $c; $i++) {
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$ret .= $this->keys[$this->checksumValue[$i]];
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}
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return $ret;
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}
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return false;
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}
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};
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?>
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