ok
Mini Shell
<?php
/**
* @see https://github.com/zendframework/zend-barcode for the canonical source repository
* @copyright Copyright (c) 2005-2019 Zend Technologies USA Inc. (http://www.zend.com)
* @license https://github.com/zendframework/zend-barcode/blob/master/LICENSE.md New BSD License
*/
namespace Zend\Barcode\Object;
/**
* Class for generate Interleaved 2 of 5 barcode
*/
class Code25 extends AbstractObject
{
/**
* Coding map
* - 0 = narrow bar
* - 1 = wide bar
* @var array
*/
protected $codingMap = [
'0' => '00110',
'1' => '10001',
'2' => '01001',
'3' => '11000',
'4' => '00101',
'5' => '10100',
'6' => '01100',
'7' => '00011',
'8' => '10010',
'9' => '01010',
];
/**
* Width of the barcode (in pixels)
* @return int
*/
protected function calculateBarcodeWidth()
{
$quietZone = $this->getQuietZone();
$startCharacter = (2 * $this->barThickWidth + 4 * $this->barThinWidth) * $this->factor;
$characterLength = (3 * $this->barThinWidth + 2 * $this->barThickWidth + 5 * $this->barThinWidth)
* $this->factor;
$encodedData = strlen($this->getText()) * $characterLength;
$stopCharacter = (2 * $this->barThickWidth + 4 * $this->barThinWidth) * $this->factor;
return $quietZone + $startCharacter + $encodedData + $stopCharacter + $quietZone;
}
/**
* Partial check of interleaved 2 of 5 barcode
* @return void
*/
protected function checkSpecificParams()
{
$this->checkRatio();
}
/**
* Prepare array to draw barcode
* @return array
*/
protected function prepareBarcode()
{
$barcodeTable = [];
// Start character (30301)
$barcodeTable[] = [1, $this->barThickWidth, 0, 1];
$barcodeTable[] = [0, $this->barThinWidth, 0, 1];
$barcodeTable[] = [1, $this->barThickWidth, 0, 1];
$barcodeTable[] = [0, $this->barThinWidth, 0, 1];
$barcodeTable[] = [1, $this->barThinWidth, 0, 1];
$barcodeTable[] = [0, $this->barThinWidth];
$text = str_split($this->getText());
foreach ($text as $char) {
$barcodeChar = str_split($this->codingMap[$char]);
foreach ($barcodeChar as $c) {
/* visible, width, top, length */
$width = $c ? $this->barThickWidth : $this->barThinWidth;
$barcodeTable[] = [1, $width, 0, 1];
$barcodeTable[] = [0, $this->barThinWidth];
}
}
// Stop character (30103)
$barcodeTable[] = [1, $this->barThickWidth, 0, 1];
$barcodeTable[] = [0, $this->barThinWidth, 0, 1];
$barcodeTable[] = [1, $this->barThinWidth, 0, 1];
$barcodeTable[] = [0, $this->barThinWidth, 0, 1];
$barcodeTable[] = [1, $this->barThickWidth, 0, 1];
return $barcodeTable;
}
/**
* Get barcode checksum
*
* @param string $text
* @return int
*/
public function getChecksum($text)
{
$this->checkText($text);
$factor = 3;
$checksum = 0;
for ($i = strlen($text); $i > 0; $i --) {
$checksum += intval($text[$i - 1]) * $factor;
$factor = 4 - $factor;
}
$checksum = (10 - ($checksum % 10)) % 10;
return $checksum;
}
}
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