146 lines
4.2 KiB
PHP
146 lines
4.2 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Barcode
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* @subpackage Object
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* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Barcode_Object_Ean13
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*/
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/**
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* @see Zend_Validate_Barcode
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*/
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/**
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* Class for generate Ean5 barcode
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*
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* @category Zend
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* @package Zend_Barcode
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* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Barcode_Object_Ean5 extends Zend_Barcode_Object_Ean13
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{
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protected $_parities = array(
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0 => array('B','B','A','A','A'),
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1 => array('B','A','B','A','A'),
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2 => array('B','A','A','B','A'),
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3 => array('B','A','A','A','B'),
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4 => array('A','B','B','A','A'),
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5 => array('A','A','B','B','A'),
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6 => array('A','A','A','B','B'),
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7 => array('A','B','A','B','A'),
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8 => array('A','B','A','A','B'),
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9 => array('A','A','B','A','B')
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);
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/**
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* Default options for Ean5 barcode
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* @return void
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*/
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protected function _getDefaultOptions()
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{
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$this->_barcodeLength = 5;
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}
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/**
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* Width of the barcode (in pixels)
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* @return integer
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*/
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protected function _calculateBarcodeWidth()
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{
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$quietZone = $this->getQuietZone();
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$startCharacter = (5 * $this->_barThinWidth) * $this->_factor;
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$middleCharacter = (2 * $this->_barThinWidth) * $this->_factor;
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$encodedData = (7 * $this->_barThinWidth) * $this->_factor;
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return $quietZone + $startCharacter + ($this->_barcodeLength - 1) * $middleCharacter + $this->_barcodeLength * $encodedData + $quietZone;
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}
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/**
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* Prepare array to draw barcode
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* @return array
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*/
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protected function _prepareBarcode()
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{
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$barcodeTable = array();
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// Start character (01011)
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$barcodeTable[] = array(0 , $this->_barThinWidth , 0 , 1);
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$barcodeTable[] = array(1 , $this->_barThinWidth , 0 , 1);
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$barcodeTable[] = array(0 , $this->_barThinWidth , 0 , 1);
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$barcodeTable[] = array(1 , $this->_barThinWidth , 0 , 1);
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$barcodeTable[] = array(1 , $this->_barThinWidth , 0 , 1);
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$firstCharacter = true;
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$textTable = str_split($this->getText());
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// Characters
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for ($i = 0; $i < $this->_barcodeLength; $i++) {
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if ($firstCharacter) {
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$firstCharacter = false;
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} else {
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// Intermediate character (01)
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$barcodeTable[] = array(0 , $this->_barThinWidth , 0 , 1);
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$barcodeTable[] = array(1 , $this->_barThinWidth , 0 , 1);
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}
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$bars = str_split($this->_codingMap[$this->_getParity($i)][$textTable[$i]]);
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foreach ($bars as $b) {
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$barcodeTable[] = array($b , $this->_barThinWidth , 0 , 1);
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}
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}
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return $barcodeTable;
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}
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/**
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* Get barcode checksum
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*
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* @param string $text
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* @return int
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*/
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public function getChecksum($text)
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{
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$this->_checkText($text);
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$checksum = 0;
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for ($i = 0 ; $i < $this->_barcodeLength; $i ++) {
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$checksum += intval($text{$i}) * ($i % 2 ? 9 : 3);
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}
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return ($checksum % 10);
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}
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protected function _getParity($i)
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{
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$checksum = $this->getChecksum($this->getText());
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return $this->_parities[$checksum][$i];
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}
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/**
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* Retrieve text to encode
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* @return string
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*/
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public function getText()
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{
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return $this->_addLeadingZeros($this->_text);
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}
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}
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