Files
2026-10-19 15:22:52 -07:00

143 lines
3.8 KiB
PHP

<?php
if(!defined('IN_CB'))die('You are not allowed to access to this page.');
/**
* code39.php
*--------------------------------------------------------------------
*
* Sub-Class - Code 39
*
*--------------------------------------------------------------------
* Revision History
* v1.01 7 jul 2004 Jean-Sebastien Goupil Correction + Sign
* V1.00 17 jun 2004 Jean-Sebastien Goupil
*--------------------------------------------------------------------
* Copyright (C) Jean-Sebastien Goupil
* http://other.lookstrike.com/barcode/
*/
class code39 extends BarCode {
protected $keys = array(), $code = array();
private $starting, $ending;
protected $text;
protected $textfont;
private $checksum;
/**
* Constructor
*
* @param int $maxHeight
* @param FColor $color1
* @param FColor $color2
* @param int $res
* @param string $text
* @param int $textfont
* @param bool $checksum
*/
public function __construct($maxHeight,FColor $color1,FColor $color2,$res,$text,$textfont,$checksum=false) {
BarCode::__construct($maxHeight,$color1,$color2,$res);
$this->starting = $this->ending = 43;
$this->keys = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','-','.',' ','$','/','+','%','*');
$this->code = array( // 0 added to add an extra space
'0001101000', /* 0 */
'1001000010', /* 1 */
'0011000010', /* 2 */
'1011000000', /* 3 */
'0001100010', /* 4 */
'1001100000', /* 5 */
'0011100000', /* 6 */
'0001001010', /* 7 */
'1001001000', /* 8 */
'0011001000', /* 9 */
'1000010010', /* A */
'0010010010', /* B */
'1010010000', /* C */
'0000110010', /* D */
'1000110000', /* E */
'0010110000', /* F */
'0000011010', /* G */
'1000011000', /* H */
'0010011000', /* I */
'0000111000', /* J */
'1000000110', /* K */
'0010000110', /* L */
'1010000100', /* M */
'0000100110', /* N */
'1000100100', /* O */
'0010100100', /* P */
'0000001110', /* Q */
'1000001100', /* R */
'0010001100', /* S */
'0000101100', /* T */
'1100000010', /* U */
'0110000010', /* V */
'1110000000', /* W */
'0100100010', /* X */
'1100100000', /* Y */
'0110100000', /* Z */
'0100001010', /* - */
'1100001000', /* . */
'0110001000', /* */
'0101010000', /* $ */
'0101000100', /* / */
'0100010100', /* + */
'0001010100', /* % */
'0100101000' /* * */
);
$this->setText($text);
$this->textfont = $textfont;
$this->checksum = $checksum;
}
/**
* Saves Text
*
* @param string $text
*/
public function setText($text) {
$this->text = strtoupper($text); // Only Capital Letters are Allowed
}
/**
* Draws the barcode
*
* @param ressource $im
*/
public function draw($im) {
$error_stop = false;
// Checking if all chars are allowed
for($i=0;$i<strlen($this->text);$i++) {
if(!is_int(array_search($this->text[$i],$this->keys))) {
$this->DrawError($im,'Char \''.$this->text[$i].'\' not allowed.');
$error_stop = true;
}
}
if($error_stop == false) {
// The * is not allowed
if(is_int(strpos($this->text,'*'))) {
$this->DrawError($im,'Char \'*\' not allowed.');
$error_stop = true;
}
if($error_stop == false) {
// Starting *
$this->DrawChar($im,$this->code[$this->starting],1);
// Chars
for($i=0;$i<strlen($this->text);$i++)
$this->DrawChar($im,$this->findCode($this->text[$i]),1);
// Checksum (rarely used)
if($this->checksum == true) {
$checksum = 0;
for($i=0;$i<strlen($this->text);$i++)
$checksum += $this->findIndex($this->text[$i]);
$this->DrawChar($im,$this->code[$checksum % 43],1);
}
// Ending *
$this->DrawChar($im,$this->code[$this->ending],1);
$this->lastX = $this->positionX;
$this->lastY = $this->maxHeight;
$this->DrawText($im);
}
}
}
};
?>