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<?php
/**
* BCGcodabar.barcode.php
*--------------------------------------------------------------------
*
* Sub-Class - Codabar
*
*--------------------------------------------------------------------
* Revision History
* v2.0.0 23 apr 2008 Jean-Sébastien Goupil New Version Update + fix B and C
* v1.2.3b 31 dec 2005 Jean-Sébastien Goupil PHP5.1 compatible
* v1.2.1 27 jun 2005 Jean-Sébastien Goupil Font support added
* V1.00 17 jun 2004 Jean-Sebastien Goupil
*--------------------------------------------------------------------
* $Id: BCGcodabar.barcode.php,v 1.11 2009/11/09 04:08:41 jsgoupil Exp $
*--------------------------------------------------------------------
* Copyright (C) Jean-Sebastien Goupil
* http://www.barcodephp.com
*/
include_once('BCGBarcode1D.php');
class BCGcodabar extends BCGBarcode1D {
/**
* Constructor
*/
public function __construct() {
parent::__construct();
$this->keys = array('0','1','2','3','4','5','6','7','8','9','-','$',':','/','.','+','A','B','C','D');
$this->code = array( // 0 added to add an extra space
'00000110', /* 0 */
'00001100', /* 1 */
'00010010', /* 2 */
'11000000', /* 3 */
'00100100', /* 4 */
'10000100', /* 5 */
'01000010', /* 6 */
'01001000', /* 7 */
'01100000', /* 8 */
'10010000', /* 9 */
'00011000', /* - */
'00110000', /* $ */
'10001010', /* : */
'10100010', /* / */
'10101000', /* . */
'00111110', /* + */
'00110100', /* A */
'01010010', /* B */
'00010110', /* C */
'00011100' /* D */
);
}
/**
* Saves Text
*
* @param string $text
*/
public function parse($text) {
parent::parse(strtoupper($text)); // Only Capital Letters are Allowed
}
/**
* Draws the barcode
*
* @param resource $im
*/
public function draw(&$im) {
$error_stop = false;
// Checking if all chars are allowed
$c = strlen($this->text);
for($i = 0; $i < $c; $i++) {
if(array_search($this->text[$i], $this->keys) === false) {
$this->drawError($im, 'Char \'' . $this->text[$i] . '\' not allowed.');
$error_stop = true;
}
}
if($error_stop === false) {
// Must start by A, B, C or D
if($this->text[0] !== 'A' && $this->text[0] !== 'B' && $this->text[0] !== 'C' && $this->text[0] !== 'D') {
$this->drawError($im, 'Must start by char A, B, C or D.');
$error_stop = true;
}
// Must over by A, B, C or D
$c2 = $c - 1;
if($c2 === 0 || ($this->text[$c2] !== 'A' && $this->text[$c2] !== 'B' && $this->text[$c2] !== 'C' && $this->text[$c2] !== 'D')) {
$this->drawError($im, 'Must end by char A, B, C or D.');
$error_stop = true;
}
if($error_stop === false) {
for($i = 0; $i < $c; $i++) {
$this->drawChar($im, $this->findCode($this->text[$i]), true);
}
$this->drawText($im);
}
}
}
/**
* Returns the maximal size of a barcode
*
* @return int[]
*/
public function getMaxSize() {
$p = parent::getMaxSize();
$w = 0;
$c = strlen($this->text);
for($i = 0; $i < $c; $i++) {
$index = $this->findIndex($this->text[$i]);
if($index !== false) {
$w += 8;
$w += substr_count($this->code[$index], '1');
}
}
return array($p[0] + $w * $this->scale, $p[1]);
}
};
?>
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