<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Barcode\Object;
/**
* Class for generate Postnet barcode
*/
class Postnet extends AbstractObject
{
/**
* Coding map
* - 0 = half bar
* - 1 = complete bar
* @var array
*/
protected $codingMap = array(
0 => "11000",
1 => "00011",
2 => "00101",
3 => "00110",
4 => "01001",
5 => "01010",
6 => "01100",
7 => "10001",
8 => "10010",
9 => "10100"
);
/**
* Default options for Postnet barcode
* @return void
*/
protected function getDefaultOptions()
{
$this->barThinWidth = 2;
$this->barHeight = 20;
$this->drawText = false;
$this->stretchText = true;
$this->mandatoryChecksum = true;
}
/**
* Width of the barcode (in pixels)
* @return int
*/
protected function calculateBarcodeWidth()
{
$quietZone = $this->getQuietZone();
$startCharacter = (2 * $this->barThinWidth) * $this->factor;
$stopCharacter = (1 * $this->barThinWidth) * $this->factor;
$encodedData = (10 * $this->barThinWidth) * $this->factor * strlen($this->getText());
return $quietZone + $startCharacter + $encodedData + $stopCharacter + $quietZone;
}
/**
* Partial check of interleaved Postnet barcode
* @return void
*/
protected function checkSpecificParams()
{}
/**
* Prepare array to draw barcode
* @return array
*/
protected function prepareBarcode()
{
$barcodeTable = array();
// Start character (1)
$barcodeTable[] = array(1, $this->barThinWidth, 0, 1);
$barcodeTable[] = array(0, $this->barThinWidth, 0, 1);
// Text to encode
$textTable = str_split($this->getText());
foreach ($textTable as $char) {
$bars = str_split($this->codingMap[$char]);
foreach ($bars as $b) {
$barcodeTable[] = array(1, $this->barThinWidth, 0.5 - $b * 0.5, 1);
$barcodeTable[] = array(0, $this->barThinWidth, 0, 1);
}
}
// Stop character (1)
$barcodeTable[] = array(1, $this->barThinWidth, 0, 1);
return $barcodeTable;
}
/**
* Get barcode checksum
*
* @param string $text
* @return int
*/
public function getChecksum($text)
{
$this->checkText($text);
$sum = array_sum(str_split($text));
$checksum = (10 - ($sum % 10)) % 10;
return $checksum;
}
}
# |
Change |
User |
Description |
Committed |
|
#1
|
18334 |
Liz Lam |
initial add of jambox |
|
|