Podgląd pliku: / jacekk.info / ean8.phps
<?php
/***************************************************
* Kody kreskowe - EAN-8 *
***************************************************
* Wersja: 1.1 *
* Autor: Jacek Kowalski (http://jacekk.info) *
* *
* Strona WWW: http://jacekk.info/scripts/barcodes *
* *
* Utwór rozprowadzany na licencji *
* http://creativecommons.org/licenses/by-nc/2.5/ *
***************************************************/
/* Kodowanie znaków UTF-8 */
$len = strlen($_GET['kod']);
if(trim($_GET['kod'], '0123456789')!='' OR ($len!=7 AND $len!=8)) {
echo 'Znaki inne niż cyfry lub błędna długość ('.$len.')';
die();
}
$kod = str_split(substr($_GET['kod'], 0, 7));
$now = 3;
foreach($kod as $val) {
if($now==1) {
$sum += $val;
$now = 3;
}
else
{
$sum += $val*3;
$now = 1;
}
}
$sum = 10-($sum%10);
if($sum==10) $sum = 0;
if($len==7) {
$_GET['kod'] .= $sum;
}
elseif(substr($_GET['kod'], -1)!=$sum) {
echo 'Błędna suma kontrolna';
die();
}
unset($len, $kod, $now, $sum);
$kol = array(
'0' => array('A', 'A', 'A', 'A', 'A', 'A'),
'1' => array('A', 'A', 'B', 'A', 'B', 'B'),
'2' => array('A', 'A', 'B', 'B', 'A', 'B'),
'3' => array('A', 'A', 'B', 'B', 'B', 'A'),
'4' => array('A', 'B', 'A', 'A', 'B', 'B'),
'5' => array('A', 'B', 'B', 'A', 'A', 'B'),
'6' => array('A', 'B', 'B', 'B', 'A', 'A'),
'7' => array('A', 'B', 'A', 'B', 'A', 'B'),
'8' => array('A', 'B', 'A', 'B', 'B', 'A'),
'9' => array('A', 'B', 'B', 'A', 'B', 'A')
);
$code = array(
'start' => '101',
'lewa' => array(
'A' => array(
'0' => '0001101',
'1' => '0011001',
'2' => '0010011',
'3' => '0111101',
'4' => '0100011',
'5' => '0110001',
'6' => '0101111',
'7' => '0111011',
'8' => '0110111',
'9' => '0001011'
),
'B' => array(
'0' => '0100111',
'1' => '0110011',
'2' => '0011011',
'3' => '0100001',
'4' => '0011101',
'5' => '0111001',
'6' => '0000101',
'7' => '0010001',
'8' => '0001001',
'9' => '0010111'
)
),
'srodek' => '01010',
'prawa' => array(
'0' => '1110010',
'1' => '1100110',
'2' => '1101100',
'3' => '1000010',
'4' => '1011100',
'5' => '1001110',
'6' => '1010000',
'7' => '1000100',
'8' => '1001000',
'9' => '1110100'
),
'stop' => '101'
);
function gen_binary($kod, $strona, $sys) {
global $code, $kol;
$kod = str_split($kod);
$ret = '';
if($strona==0) {
foreach($kod as $key => $val) {
$ret .= $code['lewa'][$kol[$sys][$key]][$val];
}
}
else
{
foreach($kod as $val) {
$ret .= $code['prawa'][$val];
}
}
return $ret;
}
function print_code($kod, $img) {
global $b;
$now = 0;
$kod = str_split($kod);
foreach($kod as $val) {
if($val==1) {
imageline($img, $now, 0, $now, 40, $b);
}
$now++;
}
}
$sys = substr($_GET['kod'], 0, 1);
$lewa = substr($_GET['kod'], 0, 4);
$prawa = substr($_GET['kod'], 4);
$i = imagecreate(67, 40);
$w = imagecolorallocate($i, 255, 255, 255);
$b = imagecolorallocate($i, 0, 0, 0);
print_code($code['start'].gen_binary($lewa, 0, $sys).$code['srodek'].gen_binary($prawa, 1, $sys).$code['stop'], $i);
header('Content-type: image/gif');
imagegif($i);
?>
Browse Code © 2010 by Jacek Kowalski