1. Import
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183
html/include/barcode_php8/class/BCGcode39.barcode.php
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183
html/include/barcode_php8/class/BCGcode39.barcode.php
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<?php
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/**
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* BCGcode39.barcode.php
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*--------------------------------------------------------------------
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*
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* Sub-Class - Code 39
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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
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* v1.2.1 27 jun 2005 Jean-Sébastien Goupil Font support added
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* v1.01 7 jul 2004 Jean-Sebastien Goupil Correction + Sign
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* V1.00 17 jun 2004 Jean-Sebastien Goupil
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*--------------------------------------------------------------------
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* $Id: BCGcode39.barcode.php,v 1.8 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 BCGcode39 extends BCGBarcode1D {
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var $starting, $ending;
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var $checksum;
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/**
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* Constructor
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*/
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function BCGcode39() { // public
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BCGBarcode1D::BCGBarcode1D();
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$this->starting = $this->ending = 43;
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$this->keys = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','-','.',' ','$','/','+','%','*');
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$this->code = array( // 0 added to add an extra space
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'0001101000', /* 0 */
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'1001000010', /* 1 */
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'0011000010', /* 2 */
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'1011000000', /* 3 */
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'0001100010', /* 4 */
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'1001100000', /* 5 */
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'0011100000', /* 6 */
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'0001001010', /* 7 */
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'1001001000', /* 8 */
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'0011001000', /* 9 */
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'1000010010', /* A */
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'0010010010', /* B */
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'1010010000', /* C */
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'0000110010', /* D */
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'1000110000', /* E */
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'0010110000', /* F */
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'0000011010', /* G */
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'1000011000', /* H */
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'0010011000', /* I */
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'0000111000', /* J */
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'1000000110', /* K */
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'0010000110', /* L */
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'1010000100', /* M */
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'0000100110', /* N */
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'1000100100', /* O */
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'0010100100', /* P */
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'0000001110', /* Q */
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'1000001100', /* R */
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'0010001100', /* S */
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'0000101100', /* T */
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'1100000010', /* U */
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'0110000010', /* V */
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'1110000000', /* W */
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'0100100010', /* X */
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'1100100000', /* Y */
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'0110100000', /* Z */
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'0100001010', /* - */
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'1100001000', /* . */
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'0110001000', /* */
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'0101010000', /* $ */
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'0101000100', /* / */
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'0100010100', /* + */
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'0001010100', /* % */
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'0100101000' /* * */
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);
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$this->setChecksum(false);
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}
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function setChecksum($checksum) {
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$this->checksum = (bool)$checksum;
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}
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/**
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* Saves Text
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*
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* @param string $text
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*/
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function parse($text) {
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BCGBarcode1D::parse(strtoupper($text)); // Only Capital Letters are Allowed
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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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// The * is not allowed
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if (strpos($this->text, '*') !== false) {
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$this->drawError($im, 'Char \'*\' not allowed.');
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$error_stop = true;
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}
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if ($error_stop === false) {
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// Starting *
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$this->drawChar($im, $this->code[$this->starting], 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[$i]), true);
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}
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// Checksum (rarely used)
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if ($this->checksum === true) {
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$this->calculateChecksum();
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$this->drawChar($im, $this->code[$this->checksumValue % 43], true);
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}
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// Ending *
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$this->drawChar($im, $this->code[$this->ending], true);
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$this->drawText($im);
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}
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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 = 13 * strlen($this->text) * $this->scale;
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$startlength = 13 * $this->scale;
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$checksumlength = 0;
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if ($this->checksum === true) {
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$checksumlength = 13 * $this->scale;
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}
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$endlength = 13 * $this->scale;
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return array($p[0] + $startlength + $textlength + $checksumlength + $endlength, $p[1]);
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}
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/**
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* Overloaded method to calculate checksum
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*/
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function calculateChecksum() {
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$this->checksumValue = 0;
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$c = strlen($this->text);
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for ($i = 0; $i < $c; $i++) {
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$this->checksumValue += $this->findIndex($this->text[$i]);
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}
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$this->checksumValue = $this->checksumValue % 43;
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}
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/**
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* Overloaded method to display the checksum
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*/
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function processChecksum() {
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if ($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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return $this->keys[$this->checksumValue];
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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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