135 lines
3.6 KiB
PHP
135 lines
3.6 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) 2005-2015 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_ObjectAbstract
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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 Postnet 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) 2005-2015 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_Postnet extends Zend_Barcode_Object_ObjectAbstract
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{
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/**
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* Coding map
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* - 0 = half bar
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* - 1 = complete bar
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* @var array
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*/
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protected $_codingMap = array(
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0 => "11000",
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1 => "00011",
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2 => "00101",
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3 => "00110",
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4 => "01001",
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5 => "01010",
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6 => "01100",
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7 => "10001",
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8 => "10010",
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9 => "10100"
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);
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/**
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* Default options for Postnet barcode
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* @return void
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*/
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protected function _getDefaultOptions()
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{
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$this->_barThinWidth = 2;
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$this->_barHeight = 20;
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$this->_drawText = false;
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$this->_stretchText = true;
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$this->_mandatoryChecksum = true;
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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 = (2 * $this->_barThinWidth) * $this->_factor;
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$stopCharacter = (1 * $this->_barThinWidth) * $this->_factor;
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$encodedData = (10 * $this->_barThinWidth) * $this->_factor * strlen($this->getText());
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return $quietZone + $startCharacter + $encodedData + $stopCharacter + $quietZone;
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}
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/**
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* Partial check of interleaved Postnet barcode
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* @return void
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*/
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protected function _checkParams()
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{}
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/**
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* Prepare array to draw barcode
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* @return array
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*/
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protected function _prepareBarcode()
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{
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$barcodeTable = array();
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// Start character (1)
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$barcodeTable[] = array(1 , $this->_barThinWidth , 0 , 1);
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$barcodeTable[] = array(0 , $this->_barThinWidth , 0 , 1);
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// Text to encode
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$textTable = str_split($this->getText());
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foreach ($textTable as $char) {
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$bars = str_split($this->_codingMap[$char]);
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foreach ($bars as $b) {
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$barcodeTable[] = array(1 , $this->_barThinWidth , 0.5 - $b * 0.5 , 1);
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$barcodeTable[] = array(0 , $this->_barThinWidth , 0 , 1);
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}
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}
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// Stop character (1)
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$barcodeTable[] = array(1 , $this->_barThinWidth , 0 , 1);
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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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$sum = array_sum(str_split($text));
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$checksum = (10 - ($sum % 10)) % 10;
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return $checksum;
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}
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}
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