<?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;
use Zend\Validator\Barcode as BarcodeValidator;
/**
* Class for generate UpcA barcode
*/
class Upce extends Ean13
{
protected $parities = array(
0 => array(
0 => array('B','B','B','A','A','A'),
1 => array('B','B','A','B','A','A'),
2 => array('B','B','A','A','B','A'),
3 => array('B','B','A','A','A','B'),
4 => array('B','A','B','B','A','A'),
5 => array('B','A','A','B','B','A'),
6 => array('B','A','A','A','B','B'),
7 => array('B','A','B','A','B','A'),
8 => array('B','A','B','A','A','B'),
9 => array('B','A','A','B','A','B')),
1 => array(
0 => array('A','A','A','B','B','B'),
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'))
);
/**
* Default options for Postnet barcode
* @return void
*/
protected function getDefaultOptions()
{
$this->barcodeLength = 8;
$this->mandatoryChecksum = true;
$this->mandatoryQuietZones = true;
}
/**
* Retrieve text to encode
* @return string
*/
public function getText()
{
$text = parent::getText();
if ($text{0} != 1) {
$text{0} = 0;
}
return $text;
}
/**
* Width of the barcode (in pixels)
* @return int
*/
protected function calculateBarcodeWidth()
{
$quietZone = $this->getQuietZone();
$startCharacter = (3 * $this->barThinWidth) * $this->factor;
$stopCharacter = (6 * $this->barThinWidth) * $this->factor;
$encodedData = (7 * $this->barThinWidth) * $this->factor * 6;
return $quietZone + $startCharacter + $encodedData + $stopCharacter + $quietZone;
}
/**
* Prepare array to draw barcode
* @return array
*/
protected function prepareBarcode()
{
$barcodeTable = array();
$height = ($this->drawText) ? 1.1 : 1;
// Start character (101)
$barcodeTable[] = array(1, $this->barThinWidth, 0, $height);
$barcodeTable[] = array(0, $this->barThinWidth, 0, $height);
$barcodeTable[] = array(1, $this->barThinWidth, 0, $height);
$textTable = str_split($this->getText());
$system = 0;
if ($textTable[0] == 1) {
$system = 1;
}
$checksum = $textTable[7];
$parity = $this->parities[$system][$checksum];
for ($i = 1; $i < 7; $i++) {
$bars = str_split($this->codingMap[$parity[$i - 1]][$textTable[$i]]);
foreach ($bars as $b) {
$barcodeTable[] = array($b, $this->barThinWidth, 0, 1);
}
}
// Stop character (10101)
$barcodeTable[] = array(0, $this->barThinWidth, 0, $height);
$barcodeTable[] = array(1, $this->barThinWidth, 0, $height);
$barcodeTable[] = array(0, $this->barThinWidth, 0, $height);
$barcodeTable[] = array(1, $this->barThinWidth, 0, $height);
$barcodeTable[] = array(0, $this->barThinWidth, 0, $height);
$barcodeTable[] = array(1, $this->barThinWidth, 0, $height);
return $barcodeTable;
}
/**
* Partial function to draw text
* @return void
*/
protected function drawText()
{
if ($this->drawText) {
$text = $this->getTextToDisplay();
$characterWidth = (7 * $this->barThinWidth) * $this->factor;
$leftPosition = $this->getQuietZone() - $characterWidth;
for ($i = 0; $i < $this->barcodeLength; $i ++) {
$fontSize = $this->fontSize;
if ($i == 0 || $i == 7) {
$fontSize *= 0.8;
}
$this->addText(
$text{$i},
$fontSize * $this->factor,
$this->rotate(
$leftPosition,
(int) $this->withBorder * 2
+ $this->factor * ($this->barHeight + $fontSize) + 1
),
$this->font,
$this->foreColor,
'left',
- $this->orientation
);
switch ($i) {
case 0:
$factor = 3;
break;
case 6:
$factor = 5;
break;
default:
$factor = 0;
}
$leftPosition = $leftPosition + $characterWidth + ($factor * $this->barThinWidth * $this->factor);
}
}
}
/**
* Particular validation for Upce barcode objects
* (to suppress checksum character substitution)
*
* @param string $value
* @param array $options
* @throws Exception\BarcodeValidationException
*/
protected function validateSpecificText($value, $options = array())
{
$validator = new BarcodeValidator(array(
'adapter' => 'upce',
'checksum' => false,
));
$value = $this->addLeadingZeros($value, true);
if (!$validator->isValid($value)) {
$message = implode("\n", $validator->getMessages());
throw new Exception\BarcodeValidationException($message);
}
}
/**
* Get barcode checksum
*
* @param string $text
* @return int
*/
public function getChecksum($text)
{
$text = $this->addLeadingZeros($text, true);
if ($text{0} != 1) {
$text{0} = 0;
}
return parent::getChecksum($text);
}
}