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<?php
namespace Mpdf\Barcode;
/**
* CODABAR barcodes.
* Older code often used in library systems, sometimes in blood banks
*/
class Codabar extends \Mpdf\Barcode\AbstractBarcode implements \Mpdf\Barcode\BarcodeInterface
{
/**
* @param string $code
* @param float $printRatio
*/
public function __construct($code, $printRatio, $quiet_zone_left = null, $quiet_zone_right = null)
{
$this->init($code, $printRatio);
$this->data['nom-X'] = 0.381; // Nominal value for X-dim (bar width) in mm (2 X min. spec.)
$this->data['nom-H'] = 10; // Nominal value for Height of Full bar in mm (non-spec.)
$this->data['lightmL'] = ($quiet_zone_left !== null ? $quiet_zone_left : 10); // LEFT light margin = x X-dim (spec.)
$this->data['lightmR'] = ($quiet_zone_right !== null ? $quiet_zone_right : 10); // RIGHT light margin = x X-dim (spec.)
$this->data['lightTB'] = 0; // TOP/BOTTOM light margin = x X-dim (non-spec.)
}
/**
* @param string $code
* @param float $printRatio
*/
private function init($code, $printRatio)
{
$chr = [
'0' => '11111221',
'1' => '11112211',
'2' => '11121121',
'3' => '22111111',
'4' => '11211211',
'5' => '21111211',
'6' => '12111121',
'7' => '12112111',
'8' => '12211111',
'9' => '21121111',
'-' => '11122111',
'$' => '11221111',
':' => '21112121',
'/' => '21211121',
'.' => '21212111',
'+' => '11222221',
'A' => '11221211',
'B' => '12121121',
'C' => '11121221',
'D' => '11122211'
];
$bararray = ['code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => []];
$k = 0;
$code = strtoupper($code);
$len = strlen($code);
for ($i = 0; $i < $len; ++$i) {
if (!isset($chr[$code[$i]])) {
throw new \Mpdf\Barcode\BarcodeException(sprintf('Invalid character "%s" in CODABAR barcode value "%s"', $code[$i], $code));
}
$seq = $chr[$code[$i]];
for ($j = 0; $j < 8; ++$j) {
if (($j % 2) == 0) {
$t = true; // bar
} else {
$t = false; // space
}
$x = $seq[$j];
if ($x == 2) {
$w = $printRatio;
} else {
$w = 1;
}
$bararray['bcode'][$k] = ['t' => $t, 'w' => $w, 'h' => 1, 'p' => 0];
$bararray['maxw'] += $w;
++$k;
}
}
$this->data = $bararray;
}
public function getType()
{
return 'CODABAR';
}
}