--- a/lib/tcpdf/barcodes.php +++ b/lib/tcpdf/barcodes.php @@ -1,1 +1,1966 @@ - +<?php +//============================================================+ +// File name : barcodes.php +// Version : 1.0.012 +// Begin : 2008-06-09 +// Last Update : 2010-12-16 +// Author : Nicola Asuni - Tecnick.com S.r.l - Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com +// License : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html) +// ------------------------------------------------------------------- +// Copyright (C) 2008-2010 Nicola Asuni - Tecnick.com S.r.l. +// +// This file is part of TCPDF software library. +// +// TCPDF is free software: you can redistribute it and/or modify it +// under the terms of the GNU Lesser General Public License as +// published by the Free Software Foundation, either version 3 of the +// License, or (at your option) any later version. +// +// TCPDF is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +// See the GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with TCPDF. If not, see <http://www.gnu.org/licenses/>. +// +// See LICENSE.TXT file for more information. +// ------------------------------------------------------------------- +// +// Description : PHP class to creates array representations for +// common 1D barcodes to be used with TCPDF. +// +//============================================================+ + +/** + * @file + * PHP class to creates array representations for common 1D barcodes to be used with TCPDF. + * @package com.tecnick.tcpdf + * @author Nicola Asuni + * @version 1.0.012 + */ + +/** + * @class TCPDFBarcode + * PHP class to creates array representations for common 1D barcodes to be used with TCPDF (http://www.tcpdf.org).<br> + * @package com.tecnick.tcpdf + * @version 1.0.012 + * @author Nicola Asuni + */ +class TCPDFBarcode { + + /** + * Array representation of barcode. + * @protected + */ + protected $barcode_array; + + /** + * This is the class constructor. + * Return an array representations for common 1D barcodes:<ul> + * <li>$arrcode['code'] code to be printed on text label</li> + * <li>$arrcode['maxh'] max bar height</li> + * <li>$arrcode['maxw'] max bar width</li> + * <li>$arrcode['bcode'][$k] single bar or space in $k position</li> + * <li>$arrcode['bcode'][$k]['t'] bar type: true = bar, false = space.</li> + * <li>$arrcode['bcode'][$k]['w'] bar width in units.</li> + * <li>$arrcode['bcode'][$k]['h'] bar height in units.</li> + * <li>$arrcode['bcode'][$k]['p'] bar top position (0 = top, 1 = middle)</li></ul> + * @param $code (string) code to print + * @param $type (string) type of barcode: <ul><li>C39 : CODE 39 - ANSI MH10.8M-1983 - USD-3 - 3 of 9.</li><li>C39+ : CODE 39 with checksum</li><li>C39E : CODE 39 EXTENDED</li><li>C39E+ : CODE 39 EXTENDED + CHECKSUM</li><li>C93 : CODE 93 - USS-93</li><li>S25 : Standard 2 of 5</li><li>S25+ : Standard 2 of 5 + CHECKSUM</li><li>I25 : Interleaved 2 of 5</li><li>I25+ : Interleaved 2 of 5 + CHECKSUM</li><li>C128A : CODE 128 A</li><li>C128B : CODE 128 B</li><li>C128C : CODE 128 C</li><li>EAN2 : 2-Digits UPC-Based Extention</li><li>EAN5 : 5-Digits UPC-Based Extention</li><li>EAN8 : EAN 8</li><li>EAN13 : EAN 13</li><li>UPCA : UPC-A</li><li>UPCE : UPC-E</li><li>MSI : MSI (Variation of Plessey code)</li><li>MSI+ : MSI + CHECKSUM (modulo 11)</li><li>POSTNET : POSTNET</li><li>PLANET : PLANET</li><li>RMS4CC : RMS4CC (Royal Mail 4-state Customer Code) - CBC (Customer Bar Code)</li><li>KIX : KIX (Klant index - Customer index)</li><li>IMB: Intelligent Mail Barcode - Onecode - USPS-B-3200</li><li>CODABAR : CODABAR</li><li>CODE11 : CODE 11</li><li>PHARMA : PHARMACODE</li><li>PHARMA2T : PHARMACODE TWO-TRACKS</li></ul> + */ + public function __construct($code, $type) { + $this->setBarcode($code, $type); + } + + /** + * Return an array representations of barcode. + * @return array + */ + public function getBarcodeArray() { + return $this->barcode_array; + } + + /** + * Set the barcode. + * @param $code (string) code to print + * @param $type (string) type of barcode: <ul><li>C39 : CODE 39 - ANSI MH10.8M-1983 - USD-3 - 3 of 9.</li><li>C39+ : CODE 39 with checksum</li><li>C39E : CODE 39 EXTENDED</li><li>C39E+ : CODE 39 EXTENDED + CHECKSUM</li><li>C93 : CODE 93 - USS-93</li><li>S25 : Standard 2 of 5</li><li>S25+ : Standard 2 of 5 + CHECKSUM</li><li>I25 : Interleaved 2 of 5</li><li>I25+ : Interleaved 2 of 5 + CHECKSUM</li><li>C128A : CODE 128 A</li><li>C128B : CODE 128 B</li><li>C128C : CODE 128 C</li><li>EAN2 : 2-Digits UPC-Based Extention</li><li>EAN5 : 5-Digits UPC-Based Extention</li><li>EAN8 : EAN 8</li><li>EAN13 : EAN 13</li><li>UPCA : UPC-A</li><li>UPCE : UPC-E</li><li>MSI : MSI (Variation of Plessey code)</li><li>MSI+ : MSI + CHECKSUM (modulo 11)</li><li>POSTNET : POSTNET</li><li>PLANET : PLANET</li><li>RMS4CC : RMS4CC (Royal Mail 4-state Customer Code) - CBC (Customer Bar Code)</li><li>KIX : KIX (Klant index - Customer index)</li><li>IMB: Intelligent Mail Barcode - Onecode - USPS-B-3200</li><li>CODABAR : CODABAR</li><li>CODE11 : CODE 11</li><li>PHARMA : PHARMACODE</li><li>PHARMA2T : PHARMACODE TWO-TRACKS</li></ul> + * @return array + */ + public function setBarcode($code, $type) { + switch (strtoupper($type)) { + case 'C39': { // CODE 39 - ANSI MH10.8M-1983 - USD-3 - 3 of 9. + $arrcode = $this->barcode_code39($code, false, false); + break; + } + case 'C39+': { // CODE 39 with checksum + $arrcode = $this->barcode_code39($code, false, true); + break; + } + case 'C39E': { // CODE 39 EXTENDED + $arrcode = $this->barcode_code39($code, true, false); + break; + } + case 'C39E+': { // CODE 39 EXTENDED + CHECKSUM + $arrcode = $this->barcode_code39($code, true, true); + break; + } + case 'C93': { // CODE 93 - USS-93 + $arrcode = $this->barcode_code93($code); + break; + } + case 'S25': { // Standard 2 of 5 + $arrcode = $this->barcode_s25($code, false); + break; + } + case 'S25+': { // Standard 2 of 5 + CHECKSUM + $arrcode = $this->barcode_s25($code, true); + break; + } + case 'I25': { // Interleaved 2 of 5 + $arrcode = $this->barcode_i25($code, false); + break; + } + case 'I25+': { // Interleaved 2 of 5 + CHECKSUM + $arrcode = $this->barcode_i25($code, true); + break; + } + case 'C128A': { // CODE 128 A + $arrcode = $this->barcode_c128($code, 'A'); + break; + } + case 'C128B': { // CODE 128 B + $arrcode = $this->barcode_c128($code, 'B'); + break; + } + case 'C128C': { // CODE 128 C + $arrcode = $this->barcode_c128($code, 'C'); + break; + } + case 'EAN2': { // 2-Digits UPC-Based Extention + $arrcode = $this->barcode_eanext($code, 2); + break; + } + case 'EAN5': { // 5-Digits UPC-Based Extention + $arrcode = $this->barcode_eanext($code, 5); + break; + } + case 'EAN8': { // EAN 8 + $arrcode = $this->barcode_eanupc($code, 8); + break; + } + case 'EAN13': { // EAN 13 + $arrcode = $this->barcode_eanupc($code, 13); + break; + } + case 'UPCA': { // UPC-A + $arrcode = $this->barcode_eanupc($code, 12); + break; + } + case 'UPCE': { // UPC-E + $arrcode = $this->barcode_eanupc($code, 6); + break; + } + case 'MSI': { // MSI (Variation of Plessey code) + $arrcode = $this->barcode_msi($code, false); + break; + } + case 'MSI+': { // MSI + CHECKSUM (modulo 11) + $arrcode = $this->barcode_msi($code, true); + break; + } + case 'POSTNET': { // POSTNET + $arrcode = $this->barcode_postnet($code, false); + break; + } + case 'PLANET': { // PLANET + $arrcode = $this->barcode_postnet($code, true); + break; + } + case 'RMS4CC': { // RMS4CC (Royal Mail 4-state Customer Code) - CBC (Customer Bar Code) + $arrcode = $this->barcode_rms4cc($code, false); + break; + } + case 'KIX': { // KIX (Klant index - Customer index) + $arrcode = $this->barcode_rms4cc($code, true); + break; + } + case 'IMB': { // IMB - Intelligent Mail Barcode - Onecode - USPS-B-3200 + $arrcode = $this->barcode_imb($code); + break; + } + case 'CODABAR': { // CODABAR + $arrcode = $this->barcode_codabar($code); + break; + } + case 'CODE11': { // CODE 11 + $arrcode = $this->barcode_code11($code); + break; + } + case 'PHARMA': { // PHARMACODE + $arrcode = $this->barcode_pharmacode($code); + break; + } + case 'PHARMA2T': { // PHARMACODE TWO-TRACKS + $arrcode = $this->barcode_pharmacode2t($code); + break; + } + default: { + $this->barcode_array = false; + $arrcode = false; + break; + } + } + $this->barcode_array = $arrcode; + } + + /** + * CODE 39 - ANSI MH10.8M-1983 - USD-3 - 3 of 9. + * General-purpose code in very wide use world-wide + * @param $code (string) code to represent. + * @param $extended (boolean) if true uses the extended mode. + * @param $checksum (boolean) if true add a checksum to the code. + * @return array barcode representation. + * @protected + */ + protected function barcode_code39($code, $extended=false, $checksum=false) { + $chr['0'] = '111221211'; + $chr['1'] = '211211112'; + $chr['2'] = '112211112'; + $chr['3'] = '212211111'; + $chr['4'] = '111221112'; + $chr['5'] = '211221111'; + $chr['6'] = '112221111'; + $chr['7'] = '111211212'; + $chr['8'] = '211211211'; + $chr['9'] = '112211211'; + $chr['A'] = '211112112'; + $chr['B'] = '112112112'; + $chr['C'] = '212112111'; + $chr['D'] = '111122112'; + $chr['E'] = '211122111'; + $chr['F'] = '112122111'; + $chr['G'] = '111112212'; + $chr['H'] = '211112211'; + $chr['I'] = '112112211'; + $chr['J'] = '111122211'; + $chr['K'] = '211111122'; + $chr['L'] = '112111122'; + $chr['M'] = '212111121'; + $chr['N'] = '111121122'; + $chr['O'] = '211121121'; + $chr['P'] = '112121121'; + $chr['Q'] = '111111222'; + $chr['R'] = '211111221'; + $chr['S'] = '112111221'; + $chr['T'] = '111121221'; + $chr['U'] = '221111112'; + $chr['V'] = '122111112'; + $chr['W'] = '222111111'; + $chr['X'] = '121121112'; + $chr['Y'] = '221121111'; + $chr['Z'] = '122121111'; + $chr['-'] = '121111212'; + $chr['.'] = '221111211'; + $chr[' '] = '122111211'; + $chr['$'] = '121212111'; + $chr['/'] = '121211121'; + $chr['+'] = '121112121'; + $chr['%'] = '111212121'; + $chr['*'] = '121121211'; + + $code = strtoupper($code); + if ($extended) { + // extended mode + $code = $this->encode_code39_ext($code); + } + if ($code === false) { + return false; + } + if ($checksum) { + // checksum + $code .= $this->checksum_code39($code); + } + // add start and stop codes + $code = '*'.$code.'*'; + + $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array()); + $k = 0; + $clen = strlen($code); + for ($i = 0; $i < $clen; ++$i) { + $char = $code{$i}; + if(!isset($chr[$char])) { + // invalid character + return false; + } + for ($j = 0; $j < 9; ++$j) { + if (($j % 2) == 0) { + $t = true; // bar + } else { + $t = false; // space + } + $w = $chr[$char]{$j}; + $bararray['bcode'][$k] = array('t' => $t, 'w' => $w, 'h' => 1, 'p' => 0); + $bararray['maxw'] += $w; + ++$k; + } + $bararray['bcode'][$k] = array('t' => false, 'w' => 1, 'h' => 1, 'p' => 0); + $bararray['maxw'] += 1; + ++$k; + } + return $bararray; + } + + /** + * Encode a string to be used for CODE 39 Extended mode. + * @param $code (string) code to represent. + * @return encoded string. + * @protected + */ + protected function encode_code39_ext($code) { + $encode = array( + chr(0) => '%U', chr(1) => '$A', chr(2) => '$B', chr(3) => '$C', + chr(4) => '$D', chr(5) => '$E', chr(6) => '$F', chr(7) => '$G', + chr(8) => '$H', chr(9) => '$I', chr(10) => '$J', chr(11) => '£K', + chr(12) => '$L', chr(13) => '$M', chr(14) => '$N', chr(15) => '$O', + chr(16) => '$P', chr(17) => '$Q', chr(18) => '$R', chr(19) => '$S', + chr(20) => '$T', chr(21) => '$U', chr(22) => '$V', chr(23) => '$W', + chr(24) => '$X', chr(25) => '$Y', chr(26) => '$Z', chr(27) => '%A', + chr(28) => '%B', chr(29) => '%C', chr(30) => '%D', chr(31) => '%E', + chr(32) => ' ', chr(33) => '/A', chr(34) => '/B', chr(35) => '/C', + chr(36) => '/D', chr(37) => '/E', chr(38) => '/F', chr(39) => '/G', + chr(40) => '/H', chr(41) => '/I', chr(42) => '/J', chr(43) => '/K', + chr(44) => '/L', chr(45) => '-', chr(46) => '.', chr(47) => '/O', + chr(48) => '0', chr(49) => '1', chr(50) => '2', chr(51) => '3', + chr(52) => '4', chr(53) => '5', chr(54) => '6', chr(55) => '7', + chr(56) => '8', chr(57) => '9', chr(58) => '/Z', chr(59) => '%F', + chr(60) => '%G', chr(61) => '%H', chr(62) => '%I', chr(63) => '%J', + chr(64) => '%V', chr(65) => 'A', chr(66) => 'B', chr(67) => 'C', + chr(68) => 'D', chr(69) => 'E', chr(70) => 'F', chr(71) => 'G', + chr(72) => 'H', chr(73) => 'I', chr(74) => 'J', chr(75) => 'K', + chr(76) => 'L', chr(77) => 'M', chr(78) => 'N', chr(79) => 'O', + chr(80) => 'P', chr(81) => 'Q', chr(82) => 'R', chr(83) => 'S', + chr(84) => 'T', chr(85) => 'U', chr(86) => 'V', chr(87) => 'W', + chr(88) => 'X', chr(89) => 'Y', chr(90) => 'Z', chr(91) => '%K', + chr(92) => '%L', chr(93) => '%M', chr(94) => '%N', chr(95) => '%O', + chr(96) => '%W', chr(97) => '+A', chr(98) => '+B', chr(99) => '+C', + chr(100) => '+D', chr(101) => '+E', chr(102) => '+F', chr(103) => '+G', + chr(104) => '+H', chr(105) => '+I', chr(106) => '+J', chr(107) => '+K', + chr(108) => '+L', chr(109) => '+M', chr(110) => '+N', chr(111) => '+O', + chr(112) => '+P', chr(113) => '+Q', chr(114) => '+R', chr(115) => '+S', + chr(116) => '+T', chr(117) => '+U', chr(118) => '+V', chr(119) => '+W', + chr(120) => '+X', chr(121) => '+Y', chr(122) => '+Z', chr(123) => '%P', + chr(124) => '%Q', chr(125) => '%R', chr(126) => '%S', chr(127) => '%T'); + $code_ext = ''; + $clen = strlen($code); + for ($i = 0 ; $i < $clen; ++$i) { + if (ord($code{$i}) > 127) { + return false; + } + $code_ext .= $encode[$code{$i}]; + } + return $code_ext; + } + + /** + * Calculate CODE 39 checksum (modulo 43). + * @param $code (string) code to represent. + * @return char checksum. + * @protected + */ + protected function checksum_code39($code) { + $chars = array( + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', + 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', + 'W', 'X', 'Y', 'Z', '-', '.', ' ', '$', '/', '+', '%'); + $sum = 0; + $clen = strlen($code); + for ($i = 0 ; $i < $clen; ++$i) { + $k = array_keys($chars, $code{$i}); + $sum += $k[0]; + } + $j = ($sum % 43); + return $chars[$j]; + } + + /** + * CODE 93 - USS-93 + * Compact code similar to Code 39 + * @param $code (string) code to represent. + * @return array barcode representation. + * @protected + */ + protected function barcode_code93($code) { + $chr['0'] = '131112'; + $chr['1'] = '111213'; + $chr['2'] = '111312'; + $chr['3'] = '111411'; + $chr['4'] = '121113'; + $chr['5'] = '121212'; + $chr['6'] = '121311'; + $chr['7'] = '111114'; + $chr['8'] = '131211'; + $chr['9'] = '141111'; + $chr['A'] = '211113'; + $chr['B'] = '211212'; + $chr['C'] = '211311'; + $chr['D'] = '221112'; + $chr['E'] = '221211'; + $chr['F'] = '231111'; + $chr['G'] = '112113'; + $chr['H'] = '112212'; + $chr['I'] = '112311'; + $chr['J'] = '122112'; + $chr['K'] = '132111'; + $chr['L'] = '111123'; + $chr['M'] = '111222'; + $chr['N'] = '111321'; + $chr['O'] = '121122'; + $chr['P'] = '131121'; + $chr['Q'] = '212112'; + $chr['R'] = '212211'; + $chr['S'] = '211122'; + $chr['T'] = '211221'; + $chr['U'] = '221121'; + $chr['V'] = '222111'; + $chr['W'] = '112122'; + $chr['X'] = '112221'; + $chr['Y'] = '122121'; + $chr['Z'] = '123111'; + $chr['-'] = '121131'; + $chr['.'] = '311112'; + $chr[' '] = '311211'; + $chr['$'] = '321111'; + $chr['/'] = '112131'; + $chr['+'] = '113121'; + $chr['%'] = '211131'; + $chr[128] = '121221'; // ($) + $chr[129] = '311121'; // (/) + $chr[130] = '122211'; // (+) + $chr[131] = '312111'; // (%) + $chr['*'] = '111141'; + $code = strtoupper($code); + $encode = array( + chr(0) => chr(131).'U', chr(1) => chr(128).'A', chr(2) => chr(128).'B', chr(3) => chr(128).'C', + chr(4) => chr(128).'D', chr(5) => chr(128).'E', chr(6) => chr(128).'F', chr(7) => chr(128).'G', + chr(8) => chr(128).'H', chr(9) => chr(128).'I', chr(10) => chr(128).'J', chr(11) => '£K', + chr(12) => chr(128).'L', chr(13) => chr(128).'M', chr(14) => chr(128).'N', chr(15) => chr(128).'O', + chr(16) => chr(128).'P', chr(17) => chr(128).'Q', chr(18) => chr(128).'R', chr(19) => chr(128).'S', + chr(20) => chr(128).'T', chr(21) => chr(128).'U', chr(22) => chr(128).'V', chr(23) => chr(128).'W', + chr(24) => chr(128).'X', chr(25) => chr(128).'Y', chr(26) => chr(128).'Z', chr(27) => chr(131).'A', + chr(28) => chr(131).'B', chr(29) => chr(131).'C', chr(30) => chr(131).'D', chr(31) => chr(131).'E', + chr(32) => ' ', chr(33) => chr(129).'A', chr(34) => chr(129).'B', chr(35) => chr(129).'C', + chr(36) => chr(129).'D', chr(37) => chr(129).'E', chr(38) => chr(129).'F', chr(39) => chr(129).'G', + chr(40) => chr(129).'H', chr(41) => chr(129).'I', chr(42) => chr(129).'J', chr(43) => chr(129).'K', + chr(44) => chr(129).'L', chr(45) => '-', chr(46) => '.', chr(47) => chr(129).'O', + chr(48) => '0', chr(49) => '1', chr(50) => '2', chr(51) => '3', + chr(52) => '4', chr(53) => '5', chr(54) => '6', chr(55) => '7', + chr(56) => '8', chr(57) => '9', chr(58) => chr(129).'Z', chr(59) => chr(131).'F', + chr(60) => chr(131).'G', chr(61) => chr(131).'H', chr(62) => chr(131).'I', chr(63) => chr(131).'J', + chr(64) => chr(131).'V', chr(65) => 'A', chr(66) => 'B', chr(67) => 'C', + chr(68) => 'D', chr(69) => 'E', chr(70) => 'F', chr(71) => 'G', + chr(72) => 'H', chr(73) => 'I', chr(74) => 'J', chr(75) => 'K', + chr(76) => 'L', chr(77) => 'M', chr(78) => 'N', chr(79) => 'O', + chr(80) => 'P', chr(81) => 'Q', chr(82) => 'R', chr(83) => 'S', + chr(84) => 'T', chr(85) => 'U', chr(86) => 'V', chr(87) => 'W', + chr(88) => 'X', chr(89) => 'Y', chr(90) => 'Z', chr(91) => chr(131).'K', + chr(92) => chr(131).'L', chr(93) => chr(131).'M', chr(94) => chr(131).'N', chr(95) => chr(131).'O', + chr(96) => chr(131).'W', chr(97) => chr(130).'A', chr(98) => chr(130).'B', chr(99) => chr(130).'C', + chr(100) => chr(130).'D', chr(101) => chr(130).'E', chr(102) => chr(130).'F', chr(103) => chr(130).'G', + chr(104) => chr(130).'H', chr(105) => chr(130).'I', chr(106) => chr(130).'J', chr(107) => chr(130).'K', + chr(108) => chr(130).'L', chr(109) => chr(130).'M', chr(110) => chr(130).'N', chr(111) => chr(130).'O', + chr(112) => chr(130).'P', chr(113) => chr(130).'Q', chr(114) => chr(130).'R', chr(115) => chr(130).'S', + chr(116) => chr(130).'T', chr(117) => chr(130).'U', chr(118) => chr(130).'V', chr(119) => chr(130).'W', + chr(120) => chr(130).'X', chr(121) => chr(130).'Y', chr(122) => chr(130).'Z', chr(123) => chr(131).'P', + chr(124) => chr(131).'Q', chr(125) => chr(131).'R', chr(126) => chr(131).'S', chr(127) => chr(131).'T'); + $code_ext = ''; + $clen = strlen($code); + for ($i = 0 ; $i < $clen; ++$i) { + if (ord($code{$i}) > 127) { + return false; + } + $code_ext .= $encode[$code{$i}]; + } + // checksum + $code .= $this->checksum_code93($code); + // add start and stop codes + $code = '*'.$code.'*'; + $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array()); + $k = 0; + $clen = strlen($code); + for ($i = 0; $i < $clen; ++$i) { + $char = $code{$i}; + if(!isset($chr[$char])) { + // invalid character + return false; + } + for ($j = 0; $j < 6; ++$j) { + if (($j % 2) == 0) { + $t = true; // bar + } else { + $t = false; // space + } + $w = $chr[$char]{$j}; + $bararray['bcode'][$k] = array('t' => $t, 'w' => $w, 'h' => 1, 'p' => 0); + $bararray['maxw'] += $w; + ++$k; + } + } + $bararray['bcode'][$k] = array('t' => true, 'w' => 1, 'h' => 1, 'p' => 0); + $bararray['maxw'] += 1; + ++$k; + return $bararray; + } + + /** + * Calculate CODE 93 checksum (modulo 47). + * @param $code (string) code to represent. + * @return string checksum code. + * @protected + */ + protected function checksum_code93($code) { + $chars = array( + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', + 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', + 'W', 'X', 'Y', 'Z', '-', '.', ' ', '$', '/', '+', '%'); + // translate special characters + $code = strtr($code, chr(128).chr(129).chr(130).chr(131), '$/+%'); + $len = strlen($code); + // calculate check digit C + $p = 1; + $check = 0; + for ($i = ($len - 1); $i >= 0; --$i) { + $k = array_keys($chars, $code{$i}); + $check += ($k[0] * $p); + ++$p; + if ($p > 20) { + $p = 1; + } + } + $check %= 47; + $c = $chars[$check]; + $code .= $c; + // calculate check digit K + $p = 1; + $check = 0; + for ($i = $len; $i >= 0; --$i) { + $k = array_keys($chars, $code{$i}); + $check += ($k[0] * $p); + ++$p; + if ($p > 15) { + $p = 1; + } + } + $check %= 47; + $k = $chars[$check]; + return $c.$k; + } + + /** + * Checksum for standard 2 of 5 barcodes. + * @param $code (string) code to process. + * @return int checksum. + * @protected + */ + protected function checksum_s25($code) { + $len = strlen($code); + $sum = 0; + for ($i = 0; $i < $len; $i+=2) { + $sum += $code{$i}; + } + $sum *= 3; + for ($i = 1; $i < $len; $i+=2) { + $sum += ($code{$i}); + } + $r = $sum % 10; + if($r > 0) { + $r = (10 - $r); + } + return $r; + } + + /** + * MSI. + * Variation of Plessey code, with similar applications + * Contains digits (0 to 9) and encodes the data only in the width of bars. + * @param $code (string) code to represent. + * @param $checksum (boolean) if true add a checksum to the code (modulo 11) + * @return array barcode representation. + * @protected + */ + protected function barcode_msi($code, $checksum=false) { + $chr['0'] = '100100100100'; + $chr['1'] = '100100100110'; + $chr['2'] = '100100110100'; + $chr['3'] = '100100110110'; + $chr['4'] = '100110100100'; + $chr['5'] = '100110100110'; + $chr['6'] = '100110110100'; + $chr['7'] = '100110110110'; + $chr['8'] = '110100100100'; + $chr['9'] = '110100100110'; + $chr['A'] = '110100110100'; + $chr['B'] = '110100110110'; + $chr['C'] = '110110100100'; + $chr['D'] = '110110100110'; + $chr['E'] = '110110110100'; + $chr['F'] = '110110110110'; + if ($checksum) { + // add checksum + $clen = strlen($code); + $p = 2; + $check = 0; + for ($i = ($clen - 1); $i >= 0; --$i) { + $check += (hexdec($code{$i}) * $p); + ++$p; + if ($p > 7) { + $p = 2; + } + } + $check %= 11; + if ($check > 0) { + $check = 11 - $check; + } + $code .= $check; + } + $seq = '110'; // left guard + $clen = strlen($code); + for ($i = 0; $i < $clen; ++$i) { + $digit = $code{$i}; + if (!isset($chr[$digit])) { + // invalid character + return false; + } + $seq .= $chr[$digit]; + } + $seq .= '1001'; // right guard + $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array()); + return $this->binseq_to_array($seq, $bararray); + } + + /** + * Standard 2 of 5 barcodes. + * Used in airline ticket marking, photofinishing + * Contains digits (0 to 9) and encodes the data only in the width of bars. + * @param $code (string) code to represent. + * @param $checksum (boolean) if true add a checksum to the code + * @return array barcode representation. + * @protected + */ + protected function barcode_s25($code, $checksum=false) { + $chr['0'] = '10101110111010'; + $chr['1'] = '11101010101110'; + $chr['2'] = '10111010101110'; + $chr['3'] = '11101110101010'; + $chr['4'] = '10101110101110'; + $chr['5'] = '11101011101010'; + $chr['6'] = '10111011101010'; + $chr['7'] = '10101011101110'; + $chr['8'] = '10101110111010'; + $chr['9'] = '10111010111010'; + if ($checksum) { + // add checksum + $code .= $this->checksum_s25($code); + } + if((strlen($code) % 2) != 0) { + // add leading zero if code-length is odd + $code = '0'.$code; + } + $seq = '11011010'; + $clen = strlen($code); + for ($i = 0; $i < $clen; ++$i) { + $digit = $code{$i}; + if (!isset($chr[$digit])) { + // invalid character + return false; + } + $seq .= $chr[$digit]; + } + $seq .= '1101011'; + $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array()); + return $this->binseq_to_array($seq, $bararray); + } + + /** + * Convert binary barcode sequence to TCPDF barcode array. + * @param $seq (string) barcode as binary sequence. + * @param $bararray (array) barcode array. + * òparam array $bararray TCPDF barcode array to fill up + * @return array barcode representation. + * @protected + */ + protected function binseq_to_array($seq, $bararray) { + $len = strlen($seq); + $w = 0; + $k = 0; + for ($i = 0; $i < $len; ++$i) { + $w += 1; + if (($i == ($len - 1)) OR (($i < ($len - 1)) AND ($seq{$i} != $seq{($i+1)}))) { + if ($seq{$i} == '1') { + $t = true; // bar + } else { + $t = false; // space + } + $bararray['bcode'][$k] = array('t' => $t, 'w' => $w, 'h' => 1, 'p' => 0); + $bararray['maxw'] += $w; + ++$k; + $w = 0; + } + } + return $bararray; + } + + /** + * Interleaved 2 of 5 barcodes. + * Compact numeric code, widely used in industry, air cargo + * Contains digits (0 to 9) and encodes the data in the width of both bars and spaces. + * @param $code (string) code to represent. + * @param $checksum (boolean) if true add a checksum to the code + * @return array barcode representation. + * @protected + */ + protected function barcode_i25($code, $checksum=false) { + $chr['0'] = '11221'; + $chr['1'] = '21112'; + $chr['2'] = '12112'; + $chr['3'] = '22111'; + $chr['4'] = '11212'; + $chr['5'] = '21211'; + $chr['6'] = '12211'; + $chr['7'] = '11122'; + $chr['8'] = '21121'; + $chr['9'] = '12121'; + $chr['A'] = '11'; + $chr['Z'] = '21'; + if ($checksum) { + // add checksum + $code .= $this->checksum_s25($code); + } + if((strlen($code) % 2) != 0) { + // add leading zero if code-length is odd + $code = '0'.$code; + } + // add start and stop codes + $code = 'AA'.strtolower($code).'ZA'; + + $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array()); + $k = 0; + $clen = strlen($code); + for ($i = 0; $i < $clen; $i = ($i + 2)) { + $char_bar = $code{$i}; + $char_space = $code{$i+1}; + if((!isset($chr[$char_bar])) OR (!isset($chr[$char_space]))) { + // invalid