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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Barcode
* @subpackage Object
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Ean13.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* @see Zend_Barcode_Object_ObjectAbstract
*/
require_once 'Zend/Barcode/Object/ObjectAbstract.php';
/**
* @see Zend_Validate_Barcode
*/
require_once 'Zend/Validate/Barcode.php';
/**
* Class for generate Ean13 barcode
*
* @category Zend
* @package Zend_Barcode
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Barcode_Object_Ean13 extends Zend_Barcode_Object_ObjectAbstract
{
/**
* Coding map
* - 0 = narrow bar
* - 1 = wide bar
* @var array
*/
protected $_codingMap = 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"
),
'C' => array(
0 => "1110010", 1 => "1100110", 2 => "1101100", 3 => "1000010", 4 => "1011100",
5 => "1001110", 6 => "1010000", 7 => "1000100", 8 => "1001000", 9 => "1110100"
));
protected $_parities = 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')
);
/**
* Default options for Postnet barcode
* @return void
*/
protected function _getDefaultOptions()
{
$this->_barcodeLength = 13;
$this->_mandatoryChecksum = true;
}
/**
* Width of the barcode (in pixels)
* @return integer
*/
protected function _calculateBarcodeWidth()
{
$quietZone = $this->getQuietZone();
$startCharacter = (3 * $this->_barThinWidth) * $this->_factor;
$middleCharacter = (5 * $this->_barThinWidth) * $this->_factor;
$stopCharacter = (3 * $this->_barThinWidth) * $this->_factor;
$encodedData = (7 * $this->_barThinWidth) * $this->_factor * 12;
return $quietZone + $startCharacter + $middleCharacter + $encodedData + $stopCharacter + $quietZone;
}
/**
* Partial check of interleaved EAN/UPC barcode
* @return void
*/
protected function _checkParams()
{}
/**
* 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());
$parity = $this->_parities[$textTable[0]];
// First part
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);
}
}
// Middle character (01010)
$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 , $height);
// Second part
for ($i = 7; $i < 13; $i++) {
$bars = str_split($this->_codingMap['C'][$textTable[$i]]);
foreach ($bars as $b) {
$barcodeTable[] = array($b , $this->_barThinWidth , 0 , 1);
}
}
// Stop character (101)
$barcodeTable[] = array(1 , $this->_barThinWidth , 0 , $height);
$barcodeTable[] = array(0 , $this->_barThinWidth , 0 , $height);
$barcodeTable[] = array(1 , $this->_barThinWidth , 0 , $height);
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 $checksum;
}
/**
* Partial function to draw text
* @return void
*/
protected function _drawText()
{
if (get_class($this) == 'Zend_Barcode_Object_Ean13') {
$this->_drawEan13Text();
} else {
parent::_drawText();
}
}
protected function _drawEan13Text()
{
if ($this->_drawText) {
$text = $this->getTextToDisplay();
$characterWidth = (7 * $this->_barThinWidth) * $this->_factor;
$leftPosition = $this->getQuietZone() - $characterWidth;
for ($i = 0; $i < $this->_barcodeLength; $i ++) {
$this->_addText(
$text{$i},
$this->_fontSize * $this->_factor,
$this->_rotate(
$leftPosition,
(int) $this->_withBorder * 2
+ $this->_factor * ($this->_barHeight + $this->_fontSize) + 1
),
$this->_font,
$this->_foreColor,
'left',
- $this->_orientation
);
switch ($i) {
case 0:
$factor = 3;
break;
case 6:
$factor = 4;
break;
default:
$factor = 0;
}
$leftPosition = $leftPosition + $characterWidth + ($factor * $this->_barThinWidth * $this->_factor);
}
}
}
}
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