1. Import
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164
html/include/barcode_php8/class/BCGi25.barcode.php
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164
html/include/barcode_php8/class/BCGi25.barcode.php
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<?php
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/**
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* BCGi25.barcode.php
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*--------------------------------------------------------------------
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*
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* Sub-Class - Interleaved 2 of 5
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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 31 dec 2005 Jean-Sébastien Goupil Checksum separated + PHP5.1 compatible
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* v1.2.2 23 jul 2005 Jean-Sébastien Goupil Correct Checksum
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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: BCGi25.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 BCGi25 extends BCGBarcode1D {
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var $checksum;
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/**
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* Constructor
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*/
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function BCGi25() {
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BCGBarcode1D::BCGBarcode1D();
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$this->keys = array('0','1','2','3','4','5','6','7','8','9');
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$this->code = array(
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'00110', /* 0 */
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'10001', /* 1 */
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'01001', /* 2 */
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'11000', /* 3 */
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'00101', /* 4 */
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'10100', /* 5 */
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'01100', /* 6 */
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'00011', /* 7 */
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'10010', /* 8 */
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'01010' /* 9 */
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);
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$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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* 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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// Must be even
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if($c % 2 !== 0 && $this->checksum === false) {
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$this->drawError($im, 'i25 must be even if checksum is false.');
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$error_stop = true;
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} elseif($c % 2 === 0 && $this->checksum === true) {
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$this->drawError($im, 'i25 must be odd if checksum is true.');
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$error_stop = true;
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}
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if($error_stop === false) {
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$temp_text = $this->text;
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// Checksum
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if($this->checksum === true) {
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$this->calculateChecksum();
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$temp_text .= $this->keys[$this->checksumValue];
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}
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// Starting Code
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$this->drawChar($im, '0000', true);
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// Chars
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$c = strlen($temp_text);
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for($i = 0; $i < $c; $i += 2) {
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$temp_bar = '';
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$c2 = strlen($this->findCode($temp_text[$i]));
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for($j = 0; $j < $c2; $j++) {
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$temp_bar .= substr($this->findCode($temp_text[$i]), $j, 1);
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$temp_bar .= substr($this->findCode($temp_text[$i + 1]), $j, 1);
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}
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$this->drawChar($im, $temp_bar, true);
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}
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// Ending Code
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$this->drawChar($im, '100', true);
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$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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$textlength = 7 * strlen($this->text) * $this->scale;
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$startlength = 4 * $this->scale;
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$checksumlength = 0;
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if($this->checksum === true) {
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$checksumlength = 7 * $this->scale;
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}
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$endlength = 4 * $this->scale;
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return array($p[0] + $startlength + $textlength + $checksumlength + $endlength, $p[1]);
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}
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/**
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* Overloaded method to calculate checksum
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*/
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function calculateChecksum() {
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// Calculating Checksum
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// Consider the right-most digit of the message to be in an "even" position,
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// and assign odd/even to each character moving from right to left
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// Even Position = 3, Odd Position = 1
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// Multiply it by the number
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// Add all of that and do 10-(?mod10)
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$even = true;
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$this->checksumValue = 0;
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$c = strlen($this->text);
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for($i = $c; $i > 0; $i--) {
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if($even === true) {
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$multiplier = 3;
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$even = false;
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} else {
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$multiplier = 1;
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$even = true;
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}
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$this->checksumValue += $this->keys[$this->text[$i - 1]] * $multiplier;
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}
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$this->checksumValue = (10 - $this->checksumValue % 10) % 10;
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}
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/**
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* Overloaded method to display the checksum
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*/
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function processChecksum() {
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if($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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