mirror of
https://github.com/opensourcepos/opensourcepos.git
synced 2026-05-25 00:44:03 -04:00
Fix EAN 13 typos + set pix per bar
Add EAN 8 support
This commit is contained in:
FrancescoUK
@@ -5,11 +5,12 @@ require APPPATH.'/views/barcodes/BarcodeBase.php';
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require APPPATH.'/views/barcodes/Code39.php';
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require APPPATH.'/views/barcodes/Code128.php';
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require APPPATH.'/views/barcodes/Ean13.php';
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require APPPATH.'/views/barcodes/Ean8.php';
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class Barcode_lib
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{
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var $CI;
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var $supported_barcodes = array(1 => 'Code 39', 2 => 'Code 128', 3 => 'EAN13');
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var $supported_barcodes = array(1 => 'Code 39', 2 => 'Code 128', 3 => 'EAN 8', 4 => 'EAN 13');
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function __construct()
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{
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@@ -35,6 +36,7 @@ class Barcode_lib
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$data['barcode_num_in_row'] = $this->CI->Appconfig->get('barcode_num_in_row');
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$data['barcode_page_width'] = $this->CI->Appconfig->get('barcode_page_width');
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$data['barcode_page_cellspacing'] = $this->CI->Appconfig->get('barcode_page_cellspacing');
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return $data;
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}
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@@ -42,25 +44,32 @@ class Barcode_lib
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{
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try
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{
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if ($barcode_config['barcode_type'] == '1')
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switch($barcode_config['barcode_type'])
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{
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$barcode = new emberlabs\Barcode\Code39();
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}
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else if ($barcode_config['barcode_type'] == '2')
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{
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$barcode = new emberlabs\Barcode\Code128();
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}
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else
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{
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$barcode = new emberlabs\Barcode\Ean13();
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case '1':
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$barcode = new emberlabs\Barcode\Code39();
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break;
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case '2':
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$barcode = new emberlabs\Barcode\Code128();
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break;
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case '3':
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$barcode = new emberlabs\Barcode\Ean8();
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break;
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case '4':
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default:
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$barcode = new emberlabs\Barcode\Ean13();
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break;
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}
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$barcode->setData($barcode_content);
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$barcode->setQuality($barcode_config['barcode_quality']);
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$barcode->setDimensions($barcode_config['barcode_width'], $barcode_config['barcode_height']);
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$barcode->draw();
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return $barcode->base64();
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return "";
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}
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catch(Exception $e)
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{
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@@ -72,13 +81,14 @@ class Barcode_lib
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{
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$display_table = "<table>";
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$display_table .= "<tr><td align='center'>". $this->manage_display_layout($barcode_config['barcode_first_row'], $item, $barcode_config)."</td></tr>";
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$barcode_content=$this->CI->Appconfig->get('barcode_content') === "id" ? $item['item_id'] : $item['item_number'];
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$display_table .= "<tr><td align='center'>" . $this->manage_display_layout($barcode_config['barcode_first_row'], $item, $barcode_config) . "</td></tr>";
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$barcode_content = $this->CI->Appconfig->get('barcode_content') === "id" ? $item['item_id'] : $item['item_number'];
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$barcode = $this->generate_barcode($barcode_content,$barcode_config);
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$display_table .= "<tr><td align='center'><img src='data:image/png;base64,$barcode' /></td></tr>";
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$display_table .= "<tr><td align='center'>". $this->manage_display_layout($barcode_config['barcode_second_row'], $item, $barcode_config)."</td></tr>";
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$display_table .= "<tr><td align='center'>". $this->manage_display_layout($barcode_config['barcode_third_row'], $item, $barcode_config)."</td></tr>";
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$display_table .= "<tr><td align='center'>" . $this->manage_display_layout($barcode_config['barcode_second_row'], $item, $barcode_config) . "</td></tr>";
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$display_table .= "<tr><td align='center'>" . $this->manage_display_layout($barcode_config['barcode_third_row'], $item, $barcode_config) . "</td></tr>";
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$display_table .= "</table>";
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return $display_table;
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}
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@@ -166,11 +166,10 @@ class Ean13 extends BarcodeBase
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*/
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public function draw()
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{
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$code = generateEAN($this->data);
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$code = $this->generateEAN($this->data);
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// Calc scaling
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// Bars is in reference to a single, 1-level bar
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$pxPerBar = 5;
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$pxPerBar = 2.5;
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// Calculate the barcode width
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$barcodewidth = (strlen($code)) * (7 * $pxPerBar)
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@@ -306,7 +305,7 @@ class Ean13 extends BarcodeBase
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);
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}
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$xpos += $this->pxPerBar;
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$xpos += $pxPerBar;
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}
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}
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348
application/views/barcodes/Ean8.php
Normal file
348
application/views/barcodes/Ean8.php
Normal file
@@ -0,0 +1,348 @@
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<?php
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/**
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*
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* @package Barcode Creator
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* @copyright (c) 2011 emberlabs.org
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* @license http://opensource.org/licenses/mit-license.php The MIT License
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* @link https://github.com/samt/barcode
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*
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* Minimum Requirement: PHP 5.3.0
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*/
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/**
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* Image_Barcode2_Driver_Ean8 class
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*
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* Renders EAN 8 barcodes
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*
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* PHP versions 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category Image
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* @package Image_Barcode2
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* @author Didier Fournout <didier.fournout@nyc.fr>
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* @copyright 2005 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @link http://pear.php.net/package/Image_Barcode2
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*/
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namespace emberlabs\Barcode;
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/**
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* emberlabs Barcode Creator - Ean8
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* Generate Ean8 Barcodes
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*
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*
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* @license http://opensource.org/licenses/mit-license.php The MIT License
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* @link https://github.com/samt/barcode
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*/
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class Ean8 extends BarcodeBase
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{
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/*
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* @var data - to be set
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*/
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private $data = '';
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/*
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* Coding map
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* @var array
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*/
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private $_codingmap = array(
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'0' => array(
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'A' => array(0,0,0,1,1,0,1),
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'C' => array(1,1,1,0,0,1,0)
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),
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'1' => array(
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'A' => array(0,0,1,1,0,0,1),
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'C' => array(1,1,0,0,1,1,0)
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),
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'2' => array(
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'A' => array(0,0,1,0,0,1,1),
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'C' => array(1,1,0,1,1,0,0)
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),
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'3' => array(
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'A' => array(0,1,1,1,1,0,1),
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'C' => array(1,0,0,0,0,1,0)
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),
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'4' => array(
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'A' => array(0,1,0,0,0,1,1),
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'C' => array(1,0,1,1,1,0,0)
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),
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'5' => array(
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'A' => array(0,1,1,0,0,0,1),
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'C' => array(1,0,0,1,1,1,0)
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),
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'6' => array(
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'A' => array(0,1,0,1,1,1,1),
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'C' => array(1,0,1,0,0,0,0)
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),
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'7' => array(
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'A' => array(0,1,1,1,0,1,1),
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'C' => array(1,0,0,0,1,0,0)
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),
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'8' => array(
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'A' => array(0,1,1,0,1,1,1),
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'C' => array(1,0,0,1,0,0,0)
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),
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'9' => array(
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'A' => array(0,0,0,1,0,1,1),
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'C' => array(1,1,1,0,1,0,0)
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)
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);
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/*
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* Calculate EAN8 or EAN13 automatically
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* set $len = 8 for EAN8, $len = 13 for EAN13
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*
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* @param number is the internal code you want to have EANed. The prefix, zero-padding and checksum are added by the function.
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* @return string with complete EAN13 code
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*/
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private function generateEAN($number, $len = 8)
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{
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$code = null;
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if($number > -1)
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{
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$data_len = $len - 1;
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$code = $number;
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//Padding
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$code = str_pad($code, $data_len, '0', STR_PAD_LEFT);
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$code_len = strlen($code);
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// calculate check digit
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$sum_a = 0;
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for ($i = 1; $i < $data_len; $i += 2)
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{
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$sum_a += $code{$i};
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}
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if ($len > 12)
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{
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$sum_a *= 3;
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}
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$sum_b = 0;
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for ($i = 0; $i < $data_len; $i += 2)
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{
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$sum_b += ($code{$i});
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}
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if ($len < 13)
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{
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$sum_b *= 3;
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}
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$r = ($sum_a + $sum_b) % 10;
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if($r > 0)
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{
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$r = (10 - $r);
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}
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if ($code_len == $data_len)
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{
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// add check digit
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$code .= $r;
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}
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elseif ($r !== intval($code{$data_len}))
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{
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// wrong checkdigit
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$code = null;
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}
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}
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return $code;
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}
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/*
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* Set the data
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*
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* @param mixed data - (int or string) Data to be encoded
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* @return instance of \emberlabs\Barcode\BarcodeInterface
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* @return throws \OverflowException
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*/
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public function setData($data)
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{
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$this->data = $data;
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}
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/*
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* Draw the image
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*
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* @return void
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*/
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public function draw()
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{
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$code = $this->generateEAN($this->data);
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// Bars is in reference to a single, 1-level bar
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$pxPerBar = 2.5;
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// Calculate the barcode width
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$barcodewidth = (strlen($code)) * (7 * $pxPerBar)
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+ 3 * $pxPerBar // left
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+ 5 * $pxPerBar // center
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+ 3 * $pxPerBar // right
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;
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$this->x = ($this->x == 0) ? $barcodewidth : $this->x;
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$this->img = @imagecreate($this->x, $this->y);
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if (!$this->img)
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{
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throw new \RuntimeException("Ean13: Image failed to initialize");
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}
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$white = imagecolorallocate($this->img, 255, 255, 255);
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$black = imagecolorallocate($this->img, 0, 0, 0);
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// Fill image with white color
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imagefill($this->img, 0, 0, $white);
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// get the first digit which is the key for creating the first 6 bars
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$key = substr($code, 0, 1);
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// Initiate x position
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$xpos = 0;
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// Draws the left guard pattern (bar-space-bar)
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// bar
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imagefilledrectangle(
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$this->img,
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$xpos,
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0,
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$xpos + $pxPerBar - 1,
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$this->y,
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$black
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);
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$xpos += $pxPerBar;
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// space
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$xpos += $pxPerBar;
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// bar
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imagefilledrectangle(
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$this->img,
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$xpos,
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0,
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$xpos + $pxPerBar - 1,
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$this->y,
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$black
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);
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$xpos += $pxPerBar;
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for ($idx = 0; $idx < 4; $idx ++)
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{
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$value = substr($code, $idx, 1);
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foreach ($this->_codingmap[$value]['A'] as $bar)
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{
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if ($bar)
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{
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imagefilledrectangle(
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$this->img,
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$xpos,
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0,
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$xpos + $pxPerBar - 1,
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$this->y,
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$black
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);
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}
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$xpos += $pxPerBar;
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}
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}
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// Draws the center pattern (space-bar-space-bar-space)
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// space
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$xpos += $pxPerBar;
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// bar
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imagefilledrectangle(
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$this->img,
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$xpos,
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0,
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$xpos + $pxPerBar - 1,
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$this->y,
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$black
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);
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$xpos += $pxPerBar;
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// space
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$xpos += $pxPerBar;
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// bar
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imagefilledrectangle(
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$this->img,
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$xpos,
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0,
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$xpos + $pxPerBar - 1,
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$this->y,
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$black
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);
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$xpos += $pxPerBar;
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// space
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$xpos += $pxPerBar;
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// Draw right $code contents
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for ($idx = 4; $idx < 8; $idx ++)
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{
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$value = substr($code, $idx, 1);
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foreach ($this->_codingmap[$value]['C'] as $bar)
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{
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if ($bar)
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{
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imagefilledrectangle(
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$this->img,
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$xpos,
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0,
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$xpos + $pxPerBar - 1,
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$this->y,
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$black
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);
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}
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$xpos += $pxPerBar;
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}
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}
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// Draws the right guard pattern (bar-space-bar)
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// bar
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imagefilledrectangle(
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$this->img,
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$xpos,
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0,
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$xpos + $pxPerBar - 1,
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$this->y,
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$black
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);
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$xpos += $pxPerBar;
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// space
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$xpos += $pxPerBar;
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// bar
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imagefilledrectangle(
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$this->img,
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$xpos,
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0,
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$xpos + $pxPerBar - 1,
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$this->y,
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$black
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);
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}
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}
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?>
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