1. Import
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164
html/include/barcode_php8/class/BCGcode11.barcode.php
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164
html/include/barcode_php8/class/BCGcode11.barcode.php
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<?php
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/**
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* BCGcode11.barcode.php
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*--------------------------------------------------------------------
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*
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* Sub-Class - Code 11
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*
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*--------------------------------------------------------------------
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* Revision History
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* v2.0.0 23 apr 2008 Jean-Sébastien Goupil New Version Update
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* v1.2.3b 30 dec 2005 Jean-Sébastien Goupil Checksum separated + PHP5.1 compatible + Error in checksum
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* v1.2.2 23 jul 2005 Jean-Sébastien Goupil WS Fix
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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: BCGcode11.barcode.php,v 1.9 2009/11/09 04:13:35 jsgoupil Exp $
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* PHP5-Revision: 1.11
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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 BCGcode11 extends BCGBarcode1D {
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/**
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* Constructor
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*/
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function BCGcode11() { // public
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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( // 0 added to add an extra space
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'000010', /* 0 */
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'100010', /* 1 */
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'010010', /* 2 */
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'110000', /* 3 */
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'001010', /* 4 */
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'101000', /* 5 */
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'011000', /* 6 */
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'000110', /* 7 */
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'100100', /* 8 */
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'100000', /* 9 */
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'001000' /* - */
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);
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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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// Starting Code
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$this->drawChar($im, '001100', true);
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// Chars
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for($i = 0; $i < $c; $i++) {
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$this->drawChar($im, $this->findCode($this->text[$i]), true);
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}
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// Checksum
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$this->calculateChecksum();
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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, $this->code[$this->checksumValue[$i]], true);
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}
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// Ending Code
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$this->drawChar($im, '00110', true);
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$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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$w = 0;
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$c = strlen($this->text);
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for($i = 0; $i < $c; $i++) {
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$index = $this->findIndex($this->text[$i]);
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if($index !== false) {
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$w += 6;
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$w += substr_count($this->code[$index], '1');
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}
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}
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$startlength = 8 * $this->scale;
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$textlength = $w * $this->scale;
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// We take the max length possible for checksums (it is 7 or 8...)
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$checksumlength = 8 * $this->scale;
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if($c >= 10) {
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$checksumlength += 8 * $this->scale;
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}
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$endlength = 7 * $this->scale;
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return array($p[0] + $startlength + $textlength + $checksumlength + $endlength, $p[1]);
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}
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/**
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* Overloaded method to calculate checksum
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*/
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function calculateChecksum() {
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// Checksum
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// First CheckSUM "C"
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// The "C" checksum character is the modulo 11 remainder of the sum of the weighted
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// value of the data characters. The weighting value starts at "1" for the right-most
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// data character, 2 for the second to last, 3 for the third-to-last, and so on up to 20.
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// After 10, the sequence wraps around back to 1.
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// Second CheckSUM "K"
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// Same as CheckSUM "C" but we count the CheckSum "C" at the end
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// After 9, the sequence wraps around back to 1.
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$sequence_multiplier = array(10, 9);
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$temp_text = $this->text;
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$this->checksumValue = array();
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for($z = 0; $z < 2; $z++) {
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$c = strlen($temp_text);
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// We don't display the K CheckSum if the original text had a length less than 10
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if($c <= 10 && $z === 1) {
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break;
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}
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$checksum = 0;
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for($i = $c, $j = 0; $i > 0; $i--, $j++) {
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$multiplier = $i % $sequence_multiplier[$z];
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if($multiplier === 0) {
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$multiplier = $sequence_multiplier[$z];
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}
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$checksum += $this->findIndex($temp_text[$j]) * $multiplier;
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}
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$this->checksumValue[$z] = $checksum % 11;
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$temp_text .= $this->keys[$this->checksumValue[$z]];
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}
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}
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/**
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* Overloaded method to display the checksum
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*/
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function processChecksum() {
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if($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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