* UPD: db schema file

omlink.sql

@@ -74,4 +74,4 @@ INSERT INTO `users` (`id`, `username`, `saltedpassword`, `roles`) VALUES
 (1,	'admin',	'$2y$10$Vd0Uv.h848Xj8HtuqMBO.OvSLp8ycQpSgveHb.bH4tl72iTCgpvay',	'a:1:{i:0;s:10:\"importdata\";}'),
 (2,	'operatore1',	'$2y$10$Vd0Uv.h848Xj8HtuqMBO.OvSLp8ycQpSgveHb.bH4tl72iTCgpvay',	'a:1:{i:0;s:10:\"importdata\";}');
 
--- 2018-10-08 16:03:54
+-- 2018-10-10 15:28:40

src/Picqer/Barcode/BarcodeGenerator.php

@@ -0,0 +1,2852 @@
+<?php
+
+/**
+ * General PHP Barcode Generator
+ *
+ * @author Casper Bakker - picqer.com
+ * Based on TCPDF Barcode Generator
+ */
+
+// Copyright (C) 2002-2015 Nicola Asuni - Tecnick.com LTD
+//
+// 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 License
+// along with TCPDF. If not, see
+// <http://www.tecnick.com/pagefiles/tcpdf/LICENSE.TXT>.
+//
+// See LICENSE.TXT file for more information.
+
+namespace Picqer\Barcode;
+
+use Picqer\Barcode\Exceptions\BarcodeException;
+use Picqer\Barcode\Exceptions\InvalidCharacterException;
+use Picqer\Barcode\Exceptions\InvalidCheckDigitException;
+use Picqer\Barcode\Exceptions\InvalidFormatException;
+use Picqer\Barcode\Exceptions\InvalidLengthException;
+use Picqer\Barcode\Exceptions\UnknownTypeException;
+
+abstract class BarcodeGenerator
+{
+    const TYPE_CODE_39 = 'C39';
+    const TYPE_CODE_39_CHECKSUM = 'C39+';
+    const TYPE_CODE_39E = 'C39E';
+    const TYPE_CODE_39E_CHECKSUM = 'C39E+';
+    const TYPE_CODE_93 = 'C93';
+    const TYPE_STANDARD_2_5 = 'S25';
+    const TYPE_STANDARD_2_5_CHECKSUM = 'S25+';
+    const TYPE_INTERLEAVED_2_5 = 'I25';
+    const TYPE_INTERLEAVED_2_5_CHECKSUM = 'I25+';
+    const TYPE_CODE_128 = 'C128';
+    const TYPE_CODE_128_A = 'C128A';
+    const TYPE_CODE_128_B = 'C128B';
+    const TYPE_CODE_128_C = 'C128C';
+    const TYPE_EAN_2 = 'EAN2';
+    const TYPE_EAN_5 = 'EAN5';
+    const TYPE_EAN_8 = 'EAN8';
+    const TYPE_EAN_13 = 'EAN13';
+    const TYPE_UPC_A = 'UPCA';
+    const TYPE_UPC_E = 'UPCE';
+    const TYPE_MSI = 'MSI';
+    const TYPE_MSI_CHECKSUM = 'MSI+';
+    const TYPE_POSTNET = 'POSTNET';
+    const TYPE_PLANET = 'PLANET';
+    const TYPE_RMS4CC = 'RMS4CC';
+    const TYPE_KIX = 'KIX';
+    const TYPE_IMB = 'IMB';
+    const TYPE_CODABAR = 'CODABAR';
+    const TYPE_CODE_11 = 'CODE11';
+    const TYPE_PHARMA_CODE = 'PHARMA';
+    const TYPE_PHARMA_CODE_TWO_TRACKS = 'PHARMA2T';
+
+    /**
+     * Get the barcode data
+     *
+     * @param string $code code to print
+     * @param string $type type of barcode
+     * @return array barcode array
+     * @public
+     */
+    protected function getBarcodeData($code, $type)
+    {
+        switch (strtoupper($type)) {
+            case self::TYPE_CODE_39: { // CODE 39 - ANSI MH10.8M-1983 - USD-3 - 3 of 9.
+                $arrcode = $this->barcode_code39($code, false, false);
+                break;
+            }
+            case self::TYPE_CODE_39_CHECKSUM: { // CODE 39 with checksum
+                $arrcode = $this->barcode_code39($code, false, true);
+                break;
+            }
+            case self::TYPE_CODE_39E: { // CODE 39 EXTENDED
+                $arrcode = $this->barcode_code39($code, true, false);
+                break;
+            }
+            case self::TYPE_CODE_39E_CHECKSUM: { // CODE 39 EXTENDED + CHECKSUM
+                $arrcode = $this->barcode_code39($code, true, true);
+                break;
+            }
+            case self::TYPE_CODE_93: { // CODE 93 - USS-93
+                $arrcode = $this->barcode_code93($code);
+                break;
+            }
+            case self::TYPE_STANDARD_2_5: { // Standard 2 of 5
+                $arrcode = $this->barcode_s25($code, false);
+                break;
+            }
+            case self::TYPE_STANDARD_2_5_CHECKSUM: { // Standard 2 of 5 + CHECKSUM
+                $arrcode = $this->barcode_s25($code, true);
+                break;
+            }
+            case self::TYPE_INTERLEAVED_2_5: { // Interleaved 2 of 5
+                $arrcode = $this->barcode_i25($code, false);
+                break;
+            }
+            case self::TYPE_INTERLEAVED_2_5_CHECKSUM: { // Interleaved 2 of 5 + CHECKSUM
+                $arrcode = $this->barcode_i25($code, true);
+                break;
+            }
+            case self::TYPE_CODE_128: { // CODE 128
+                $arrcode = $this->barcode_c128($code, '');
+                break;
+            }
+            case self::TYPE_CODE_128_A: { // CODE 128 A
+                $arrcode = $this->barcode_c128($code, 'A');
+                break;
+            }
+            case self::TYPE_CODE_128_B: { // CODE 128 B
+                $arrcode = $this->barcode_c128($code, 'B');
+                break;
+            }
+            case self::TYPE_CODE_128_C: { // CODE 128 C
+                $arrcode = $this->barcode_c128($code, 'C');
+                break;
+            }
+            case self::TYPE_EAN_2: { // 2-Digits UPC-Based Extention
+                $arrcode = $this->barcode_eanext($code, 2);
+                break;
+            }
+            case self::TYPE_EAN_5: { // 5-Digits UPC-Based Extention
+                $arrcode = $this->barcode_eanext($code, 5);
+                break;
+            }
+            case self::TYPE_EAN_8: { // EAN 8
+                $arrcode = $this->barcode_eanupc($code, 8);
+                break;
+            }
+            case self::TYPE_EAN_13: { // EAN 13
+                $arrcode = $this->barcode_eanupc($code, 13);
+                break;
+            }
+            case self::TYPE_UPC_A: { // UPC-A
+                $arrcode = $this->barcode_eanupc($code, 12);
+                break;
+            }
+            case self::TYPE_UPC_E: { // UPC-E
+                $arrcode = $this->barcode_eanupc($code, 6);
+                break;
+            }
+            case self::TYPE_MSI: { // MSI (Variation of Plessey code)
+                $arrcode = $this->barcode_msi($code, false);
+                break;
+            }
+            case self::TYPE_MSI_CHECKSUM: { // MSI + CHECKSUM (modulo 11)
+                $arrcode = $this->barcode_msi($code, true);
+                break;
+            }
+            case self::TYPE_POSTNET: { // POSTNET
+                $arrcode = $this->barcode_postnet($code, false);
+                break;
+            }
+            case self::TYPE_PLANET: { // PLANET
+                $arrcode = $this->barcode_postnet($code, true);
+                break;
+            }
+            case self::TYPE_RMS4CC: { // RMS4CC (Royal Mail 4-state Customer Code) - CBC (Customer Bar Code)
+                $arrcode = $this->barcode_rms4cc($code, false);
+                break;
+            }
+            case self::TYPE_KIX: { // KIX (Klant index - Customer index)
+                $arrcode = $this->barcode_rms4cc($code, true);
+                break;
+            }
+            case self::TYPE_IMB: { // IMB - Intelligent Mail Barcode - Onecode - USPS-B-3200
+                $arrcode = $this->barcode_imb($code);
+                break;
+            }
+            case self::TYPE_CODABAR: { // CODABAR
+                $arrcode = $this->barcode_codabar($code);
+                break;
+            }
+            case self::TYPE_CODE_11: { // CODE 11
+                $arrcode = $this->barcode_code11($code);
+                break;
+            }
+            case self::TYPE_PHARMA_CODE: { // PHARMACODE
+                $arrcode = $this->barcode_pharmacode($code);
+                break;
+            }
+            case self::TYPE_PHARMA_CODE_TWO_TRACKS: { // PHARMACODE TWO-TRACKS
+                $arrcode = $this->barcode_pharmacode2t($code);
+                break;
+            }
+            default: {
+                throw new UnknownTypeException();
+                break;
+            }
+        }
+
+        if ( ! isset($arrcode['maxWidth'])) {
+            $arrcode = $this->convertBarcodeArrayToNewStyle($arrcode);
+        }
+
+        return $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 = [];
+        $chr['0'] = '111331311';
+        $chr['1'] = '311311113';
+        $chr['2'] = '113311113';
+        $chr['3'] = '313311111';
+        $chr['4'] = '111331113';
+        $chr['5'] = '311331111';
+        $chr['6'] = '113331111';
+        $chr['7'] = '111311313';
+        $chr['8'] = '311311311';
+        $chr['9'] = '113311311';
+        $chr['A'] = '311113113';
+        $chr['B'] = '113113113';
+        $chr['C'] = '313113111';
+        $chr['D'] = '111133113';
+        $chr['E'] = '311133111';
+        $chr['F'] = '113133111';
+        $chr['G'] = '111113313';
+        $chr['H'] = '311113311';
+        $chr['I'] = '113113311';
+        $chr['J'] = '111133311';
+        $chr['K'] = '311111133';
+        $chr['L'] = '113111133';
+        $chr['M'] = '313111131';
+        $chr['N'] = '111131133';
+        $chr['O'] = '311131131';
+        $chr['P'] = '113131131';
+        $chr['Q'] = '111111333';
+        $chr['R'] = '311111331';
+        $chr['S'] = '113111331';
+        $chr['T'] = '111131331';
+        $chr['U'] = '331111113';
+        $chr['V'] = '133111113';
+        $chr['W'] = '333111111';
+        $chr['X'] = '131131113';
+        $chr['Y'] = '331131111';
+        $chr['Z'] = '133131111';
+        $chr['-'] = '131111313';
+        $chr['.'] = '331111311';
+        $chr[' '] = '133111311';
+        $chr['$'] = '131313111';
+        $chr['/'] = '131311131';
+        $chr['+'] = '131113131';
+        $chr['%'] = '111313131';
+        $chr['*'] = '131131311';
+
+        $code = strtoupper($code);
+
+        if ($extended) {
+            // extended mode
+            $code = $this->encode_code39_ext($code);
+        }
+
+        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])) {
+                throw new InvalidCharacterException('Char ' . $char . ' is unsupported');
+            }
+            for ($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;
+            }
+            // intercharacter gap
+            $bararray['bcode'][$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 string $code code to represent.
+     * @return bool|string encoded string.
+     * @protected
+     */
+    protected function encode_code39_ext($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) {
+                throw new InvalidCharacterException('Only supports till char 127');
+            }
+            $code_ext .= $encode[$code{$i}];
+        }
+
+        return $code_ext;
+    }
+
+    /**
+     * Calculate CODE 39 checksum (modulo 43).
+     *
+     * @param string $code code to represent.
+     * @return string char checksum.
+     * @protected
+     */
+    protected function checksum_code39($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;
+        $codelength = strlen($code);
+        for ($i = 0; $i < $codelength; ++$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 = [];
+        $chr[48] = '131112'; // 0
+        $chr[49] = '111213'; // 1
+        $chr[50] = '111312'; // 2
+        $chr[51] = '111411'; // 3
+        $chr[52] = '121113'; // 4
+        $chr[53] = '121212'; // 5
+        $chr[54] = '121311'; // 6
+        $chr[55] = '111114'; // 7
+        $chr[56] = '131211'; // 8
+        $chr[57] = '141111'; // 9
+        $chr[65] = '211113'; // A
+        $chr[66] = '211212'; // B
+        $chr[67] = '211311'; // C
+        $chr[68] = '221112'; // D
+        $chr[69] = '221211'; // E
+        $chr[70] = '231111'; // F
+        $chr[71] = '112113'; // G
+        $chr[72] = '112212'; // H
+        $chr[73] = '112311'; // I
+        $chr[74] = '122112'; // J
+        $chr[75] = '132111'; // K
+        $chr[76] = '111123'; // L
+        $chr[77] = '111222'; // M
+        $chr[78] = '111321'; // N
+        $chr[79] = '121122'; // O
+        $chr[80] = '131121'; // P
+        $chr[81] = '212112'; // Q
+        $chr[82] = '212211'; // R
+        $chr[83] = '211122'; // S
+        $chr[84] = '211221'; // T
+        $chr[85] = '221121'; // U
+        $chr[86] = '222111'; // V
+        $chr[87] = '112122'; // W
+        $chr[88] = '112221'; // X
+        $chr[89] = '122121'; // Y
+        $chr[90] = '123111'; // Z
+        $chr[45] = '121131'; // -
+        $chr[46] = '311112'; // .
+        $chr[32] = '311211'; //
+        $chr[36] = '321111'; // $
+        $chr[47] = '112131'; // /
+        $chr[43] = '113121'; // +
+        $chr[37] = '211131'; // %
+        $chr[128] = '121221'; // ($)
+        $chr[129] = '311121'; // (/)
+        $chr[130] = '122211'; // (+)
+        $chr[131] = '312111'; // (%)
+        $chr[42] = '111141'; // start-stop
+        $code = strtoupper($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) {
+                throw new InvalidCharacterException('Only supports till char 127');
+            }
+            $code_ext .= $encode[$code{$i}];
+        }
+        // checksum
+        $code_ext .= $this->checksum_code93($code_ext);
+        // add start and stop codes
+        $code = '*' . $code_ext . '*';
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array());
+        $k = 0;
+        $clen = strlen($code);
+        for ($i = 0; $i < $clen; ++$i) {
+            $char = ord($code{$i});
+            if ( ! isset($chr[$char])) {
+                throw new InvalidCharacterException('Char ' . $char . ' is unsupported');
+            }
+            for ($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;
+
+        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(131) . chr(129) . chr(130), '<=>?');
+        $len = strlen($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];
+        $checksum = $c . $k;
+        // resto respecial characters
+        $checksum = strtr($checksum, '<=>?', chr(128) . chr(131) . chr(129) . chr(130));
+
+        return $checksum;
+    }
+
+    /**
+     * 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])) {
+                throw new InvalidCharacterException('Char ' . $digit . ' is unsupported');
+            }
+            $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])) {
+                throw new InvalidCharacterException('Char ' . $digit . ' is unsupported');
+            }
+            $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]) || ! isset($chr[$char_space])) {
+                throw new InvalidCharacterException();
+            }
+            // create a bar-space sequence
+            $seq = '';
+            $chrlen = strlen($chr[$char_bar]);
+            for ($s = 0; $s < $chrlen; $s++) {
+                $seq .= $chr[$char_bar]{$s} . $chr[$char_space]{$s};
+            }
+            $seqlen = strlen($seq);
+            for ($j = 0; $j < $seqlen; ++$j) {
+                if (($j % 2) == 0) {
+                    $t = true; // bar
+                } else {
+                    $t = false; // space
+                }
+                $w = $seq{$j};
+                $bararray['bcode'][$k] = array('t' => $t, 'w' => $w, 'h' => 1, 'p' => 0);
+                $bararray['maxw'] += $w;
+                ++$k;
+            }
+        }
+
+        return $bararray;
+    }
+
+    /**
+     * C128 barcodes.
+     * Very capable code, excellent density, high reliability; in very wide use world-wide
+     *
+     * @param $code (string) code to represent.
+     * @param $type (string) barcode type: A, B, C or empty for automatic switch (AUTO mode)
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_c128($code, $type = '')
+    {
+        $chr = array(
+            '212222', /* 00 */
+            '222122', /* 01 */
+            '222221', /* 02 */
+            '121223', /* 03 */
+            '121322', /* 04 */
+            '131222', /* 05 */
+            '122213', /* 06 */
+            '122312', /* 07 */
+            '132212', /* 08 */
+            '221213', /* 09 */
+            '221312', /* 10 */
+            '231212', /* 11 */
+            '112232', /* 12 */
+            '122132', /* 13 */
+            '122231', /* 14 */
+            '113222', /* 15 */
+            '123122', /* 16 */
+            '123221', /* 17 */
+            '223211', /* 18 */
+            '221132', /* 19 */
+            '221231', /* 20 */
+            '213212', /* 21 */
+            '223112', /* 22 */
+            '312131', /* 23 */
+            '311222', /* 24 */
+            '321122', /* 25 */
+            '321221', /* 26 */
+            '312212', /* 27 */
+            '322112', /* 28 */
+            '322211', /* 29 */
+            '212123', /* 30 */
+            '212321', /* 31 */
+            '232121', /* 32 */
+            '111323', /* 33 */
+            '131123', /* 34 */
+            '131321', /* 35 */
+            '112313', /* 36 */
+            '132113', /* 37 */
+            '132311', /* 38 */
+            '211313', /* 39 */
+            '231113', /* 40 */
+            '231311', /* 41 */
+            '112133', /* 42 */
+            '112331', /* 43 */
+            '132131', /* 44 */
+            '113123', /* 45 */
+            '113321', /* 46 */
+            '133121', /* 47 */
+            '313121', /* 48 */
+            '211331', /* 49 */
+            '231131', /* 50 */
+            '213113', /* 51 */
+            '213311', /* 52 */
+            '213131', /* 53 */
+            '311123', /* 54 */
+            '311321', /* 55 */
+            '331121', /* 56 */
+            '312113', /* 57 */
+            '312311', /* 58 */
+            '332111', /* 59 */
+            '314111', /* 60 */
+            '221411', /* 61 */
+            '431111', /* 62 */
+            '111224', /* 63 */
+            '111422', /* 64 */
+            '121124', /* 65 */
+            '121421', /* 66 */
+            '141122', /* 67 */
+            '141221', /* 68 */
+            '112214', /* 69 */
+            '112412', /* 70 */
+            '122114', /* 71 */
+            '122411', /* 72 */
+            '142112', /* 73 */
+            '142211', /* 74 */
+            '241211', /* 75 */
+            '221114', /* 76 */
+            '413111', /* 77 */
+            '241112', /* 78 */
+            '134111', /* 79 */
+            '111242', /* 80 */
+            '121142', /* 81 */
+            '121241', /* 82 */
+            '114212', /* 83 */
+            '124112', /* 84 */
+            '124211', /* 85 */
+            '411212', /* 86 */
+            '421112', /* 87 */
+            '421211', /* 88 */
+            '212141', /* 89 */
+            '214121', /* 90 */
+            '412121', /* 91 */
+            '111143', /* 92 */
+            '111341', /* 93 */
+            '131141', /* 94 */
+            '114113', /* 95 */
+            '114311', /* 96 */
+            '411113', /* 97 */
+            '411311', /* 98 */
+            '113141', /* 99 */
+            '114131', /* 100 */
+            '311141', /* 101 */
+            '411131', /* 102 */
+            '211412', /* 103 START A */
+            '211214', /* 104 START B */
+            '211232', /* 105 START C */
+            '233111', /* STOP */
+            '200000'  /* END */
+        );
+        // ASCII characters for code A (ASCII 00 - 95)
+        $keys_a = ' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_';
+        $keys_a .= chr(0) . chr(1) . chr(2) . chr(3) . chr(4) . chr(5) . chr(6) . chr(7) . chr(8) . chr(9);
+        $keys_a .= chr(10) . chr(11) . chr(12) . chr(13) . chr(14) . chr(15) . chr(16) . chr(17) . chr(18) . chr(19);
+        $keys_a .= chr(20) . chr(21) . chr(22) . chr(23) . chr(24) . chr(25) . chr(26) . chr(27) . chr(28) . chr(29);
+        $keys_a .= chr(30) . chr(31);
+        // ASCII characters for code B (ASCII 32 - 127)
+        $keys_b = ' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~' . chr(127);
+        // special codes
+        $fnc_a = array(241 => 102, 242 => 97, 243 => 96, 244 => 101);
+        $fnc_b = array(241 => 102, 242 => 97, 243 => 96, 244 => 100);
+        // array of symbols
+        $code_data = array();
+        // length of the code
+        $len = strlen($code);
+        switch (strtoupper($type)) {
+            case 'A': { // MODE A
+                $startid = 103;
+                for ($i = 0; $i < $len; ++$i) {
+                    $char = $code{$i};
+                    $char_id = ord($char);
+                    if (($char_id >= 241) AND ($char_id <= 244)) {
+                        $code_data[] = $fnc_a[$char_id];
+                    } elseif (($char_id >= 0) AND ($char_id <= 95)) {
+                        $code_data[] = strpos($keys_a, $char);
+                    } else {
+                        throw new InvalidCharacterException('Char ' . $char . ' is unsupported');
+                    }
+                }
+                break;
+            }
+            case 'B': { // MODE B
+                $startid = 104;
+                for ($i = 0; $i < $len; ++$i) {
+                    $char = $code{$i};
+                    $char_id = ord($char);
+                    if (($char_id >= 241) AND ($char_id <= 244)) {
+                        $code_data[] = $fnc_b[$char_id];
+                    } elseif (($char_id >= 32) AND ($char_id <= 127)) {
+                        $code_data[] = strpos($keys_b, $char);
+                    } else {
+                        throw new InvalidCharacterException('Char ' . $char . ' is unsupported');
+                    }
+                }
+                break;
+            }
+            case 'C': { // MODE C
+                $startid = 105;
+                if (ord($code[0]) == 241) {
+                    $code_data[] = 102;
+                    $code = substr($code, 1);
+                    --$len;
+                }
+                if (($len % 2) != 0) {
+                    throw new InvalidLengthException('Length must be even');
+                }
+                for ($i = 0; $i < $len; $i += 2) {
+                    $chrnum = $code{$i} . $code{$i + 1};
+                    if (preg_match('/([0-9]{2})/', $chrnum) > 0) {
+                        $code_data[] = intval($chrnum);
+                    } else {
+                        throw new InvalidCharacterException();
+                    }
+                }
+                break;
+            }
+            default: { // MODE AUTO
+                // split code into sequences
+                $sequence = array();
+                // get numeric sequences (if any)
+                $numseq = array();
+                preg_match_all('/([0-9]{4,})/', $code, $numseq, PREG_OFFSET_CAPTURE);
+                if (isset($numseq[1]) AND ! empty($numseq[1])) {
+                    $end_offset = 0;
+                    foreach ($numseq[1] as $val) {
+                        $offset = $val[1];
+                        if ($offset > $end_offset) {
+                            // non numeric sequence
+                            $sequence = array_merge($sequence,
+                                $this->get128ABsequence(substr($code, $end_offset, ($offset - $end_offset))));
+                        }
+                        // numeric sequence
+                        $slen = strlen($val[0]);
+                        if (($slen % 2) != 0) {
+                            // the length must be even
+                            --$slen;
+                        }
+                        $sequence[] = array('C', substr($code, $offset, $slen), $slen);
+                        $end_offset = $offset + $slen;
+                    }
+                    if ($end_offset < $len) {
+                        $sequence = array_merge($sequence, $this->get128ABsequence(substr($code, $end_offset)));
+                    }
+                } else {
+                    // text code (non C mode)
+                    $sequence = array_merge($sequence, $this->get128ABsequence($code));
+                }
+                // process the sequence
+                foreach ($sequence as $key => $seq) {
+                    switch ($seq[0]) {
+                        case 'A': {
+                            if ($key == 0) {
+                                $startid = 103;
+                            } elseif ($sequence[($key - 1)][0] != 'A') {
+                                if (($seq[2] == 1) AND ($key > 0) AND ($sequence[($key - 1)][0] == 'B') AND ( ! isset($sequence[($key - 1)][3]))) {
+                                    // single character shift
+                                    $code_data[] = 98;
+                                    // mark shift
+                                    $sequence[$key][3] = true;
+                                } elseif ( ! isset($sequence[($key - 1)][3])) {
+                                    $code_data[] = 101;
+                                }
+                            }
+                            for ($i = 0; $i < $seq[2]; ++$i) {
+                                $char = $seq[1]{$i};
+                                $char_id = ord($char);
+                                if (($char_id >= 241) AND ($char_id <= 244)) {
+                                    $code_data[] = $fnc_a[$char_id];
+                                } else {
+                                    $code_data[] = strpos($keys_a, $char);
+                                }
+                            }
+                            break;
+                        }
+                        case 'B': {
+                            if ($key == 0) {
+                                $tmpchr = ord($seq[1][0]);
+                                if (($seq[2] == 1) AND ($tmpchr >= 241) AND ($tmpchr <= 244) AND isset($sequence[($key + 1)]) AND ($sequence[($key + 1)][0] != 'B')) {
+                                    switch ($sequence[($key + 1)][0]) {
+                                        case 'A': {
+                                            $startid = 103;
+                                            $sequence[$key][0] = 'A';
+                                            $code_data[] = $fnc_a[$tmpchr];
+                                            break;
+                                        }
+                                        case 'C': {
+                                            $startid = 105;
+                                            $sequence[$key][0] = 'C';
+                                            $code_data[] = $fnc_a[$tmpchr];
+                                            break;
+                                        }
+                                    }
+                                    break;
+                                } else {
+                                    $startid = 104;
+                                }
+                            } elseif ($sequence[($key - 1)][0] != 'B') {
+                                if (($seq[2] == 1) AND ($key > 0) AND ($sequence[($key - 1)][0] == 'A') AND ( ! isset($sequence[($key - 1)][3]))) {
+                                    // single character shift
+                                    $code_data[] = 98;
+                                    // mark shift
+                                    $sequence[$key][3] = true;
+                                } elseif ( ! isset($sequence[($key - 1)][3])) {
+                                    $code_data[] = 100;
+                                }
+                            }
+                            for ($i = 0; $i < $seq[2]; ++$i) {
+                                $char = $seq[1]{$i};
+                                $char_id = ord($char);
+                                if (($char_id >= 241) AND ($char_id <= 244)) {
+                                    $code_data[] = $fnc_b[$char_id];
+                                } else {
+                                    $code_data[] = strpos($keys_b, $char);
+                                }
+                            }
+                            break;
+                        }
+                        case 'C': {
+                            if ($key == 0) {
+                                $startid = 105;
+                            } elseif ($sequence[($key - 1)][0] != 'C') {
+                                $code_data[] = 99;
+                            }
+                            for ($i = 0; $i < $seq[2]; $i += 2) {
+                                $chrnum = $seq[1]{$i} . $seq[1]{$i + 1};
+                                $code_data[] = intval($chrnum);
+                            }
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+        // calculate check character
+        $sum = $startid;
+        foreach ($code_data as $key => $val) {
+            $sum += ($val * ($key + 1));
+        }
+        // add check character
+        $code_data[] = ($sum % 103);
+        // add stop sequence
+        $code_data[] = 106;
+        $code_data[] = 107;
+        // add start code at the beginning
+        array_unshift($code_data, $startid);
+        // build barcode array
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array());
+        foreach ($code_data as $val) {
+            $seq = $chr[$val];
+            for ($j = 0; $j < 6; ++$j) {
+                if (($j % 2) == 0) {
+                    $t = true; // bar
+                } else {
+                    $t = false; // space
+                }
+                $w = $seq{$j};
+                $bararray['bcode'][] = array('t' => $t, 'w' => $w, 'h' => 1, 'p' => 0);
+                $bararray['maxw'] += $w;
+            }
+        }
+
+        return $bararray;
+    }
+
+    /**
+     * Split text code in A/B sequence for 128 code
+     *
+     * @param $code (string) code to split.
+     * @return array sequence
+     * @protected
+     */
+    protected function get128ABsequence($code)
+    {
+        $len = strlen($code);
+        $sequence = array();
+        // get A sequences (if any)
+        $numseq = array();
+        preg_match_all('/([\x00-\x1f])/', $code, $numseq, PREG_OFFSET_CAPTURE);
+        if (isset($numseq[1]) AND ! empty($numseq[1])) {
+            $end_offset = 0;
+            foreach ($numseq[1] as $val) {
+                $offset = $val[1];
+                if ($offset > $end_offset) {
+                    // B sequence
+                    $sequence[] = array(
+                        'B',
+                        substr($code, $end_offset, ($offset - $end_offset)),
+                        ($offset - $end_offset)
+                    );
+                }
+                // A sequence
+                $slen = strlen($val[0]);
+                $sequence[] = array('A', substr($code, $offset, $slen), $slen);
+                $end_offset = $offset + $slen;
+            }
+            if ($end_offset < $len) {
+                $sequence[] = array('B', substr($code, $end_offset), ($len - $end_offset));
+            }
+        } else {
+            // only B sequence
+            $sequence[] = array('B', $code, $len);
+        }
+
+        return $sequence;
+    }
+
+    /**
+     * EAN13 and UPC-A barcodes.
+     * EAN13: European Article Numbering international retail product code
+     * UPC-A: Universal product code seen on almost all retail products in the USA and Canada
+     * UPC-E: Short version of UPC symbol
+     *
+     * @param $code (string) code to represent.
+     * @param $len (string) barcode type: 6 = UPC-E, 8 = EAN8, 13 = EAN13, 12 = UPC-A
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_eanupc($code, $len = 13)
+    {
+        $upce = false;
+        if ($len == 6) {
+            $len = 12; // UPC-A
+            $upce = true; // UPC-E mode
+        }
+        $data_len = $len - 1;
+        //Padding
+        $code = str_pad($code, $data_len, '0', STR_PAD_LEFT);
+        $code_len = strlen($code);
+        // calculate check digit
+        $sum_a = 0;
+        for ($i = 1; $i < $data_len; $i += 2) {
+            $sum_a += $code{$i};
+        }
+        if ($len > 12) {
+            $sum_a *= 3;
+        }
+        $sum_b = 0;
+        for ($i = 0; $i < $data_len; $i += 2) {
+            $sum_b += ($code{$i});
+        }
+        if ($len < 13) {
+            $sum_b *= 3;
+        }
+        $r = ($sum_a + $sum_b) % 10;
+        if ($r > 0) {
+            $r = (10 - $r);
+        }
+        if ($code_len == $data_len) {
+            // add check digit
+            $code .= $r;
+        } elseif ($r !== intval($code{$data_len})) {
+            throw new InvalidCheckDigitException();
+        }
+        if ($len == 12) {
+            // UPC-A
+            $code = '0' . $code;
+            ++$len;
+        }
+        if ($upce) {
+            // convert UPC-A to UPC-E
+            $tmp = substr($code, 4, 3);
+            if (($tmp == '000') OR ($tmp == '100') OR ($tmp == '200')) {
+                // manufacturer code ends in 000, 100, or 200
+                $upce_code = substr($code, 2, 2) . substr($code, 9, 3) . substr($code, 4, 1);
+            } else {
+                $tmp = substr($code, 5, 2);
+                if ($tmp == '00') {
+                    // manufacturer code ends in 00
+                    $upce_code = substr($code, 2, 3) . substr($code, 10, 2) . '3';
+                } else {
+                    $tmp = substr($code, 6, 1);
+                    if ($tmp == '0') {
+                        // manufacturer code ends in 0
+                        $upce_code = substr($code, 2, 4) . substr($code, 11, 1) . '4';
+                    } else {
+                        // manufacturer code does not end in zero
+                        $upce_code = substr($code, 2, 5) . substr($code, 11, 1);
+                    }
+                }
+            }
+        }
+        //Convert digits to bars
+        $codes = array(
+            'A' => array( // left odd parity
+                '0' => '0001101',
+                '1' => '0011001',
+                '2' => '0010011',
+                '3' => '0111101',
+                '4' => '0100011',
+                '5' => '0110001',
+                '6' => '0101111',
+                '7' => '0111011',
+                '8' => '0110111',
+                '9' => '0001011'
+            ),
+            'B' => array( // left even parity
+                '0' => '0100111',
+                '1' => '0110011',
+                '2' => '0011011',
+                '3' => '0100001',
+                '4' => '0011101',
+                '5' => '0111001',
+                '6' => '0000101',
+                '7' => '0010001',
+                '8' => '0001001',
+                '9' => '0010111'
+            ),
+            'C' => array( // right
+                '0' => '1110010',
+                '1' => '1100110',
+                '2' => '1101100',
+                '3' => '1000010',
+                '4' => '1011100',
+                '5' => '1001110',
+                '6' => '1010000',
+                '7' => '1000100',
+                '8' => '1001000',
+                '9' => '1110100'
+            )
+        );
+        $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')
+        );
+        $upce_parities = array();
+        $upce_parities[0] = array(
+            '0' => array('B', 'B', 'B', 'A', 'A', 'A'),
+            '1' => array('B', 'B', 'A', 'B', 'A', 'A'),
+            '2' => array('B', 'B', 'A', 'A', 'B', 'A'),
+            '3' => array('B', 'B', 'A', 'A', 'A', 'B'),
+            '4' => array('B', 'A', 'B', 'B', 'A', 'A'),
+            '5' => array('B', 'A', 'A', 'B', 'B', 'A'),
+            '6' => array('B', 'A', 'A', 'A', 'B', 'B'),
+            '7' => array('B', 'A', 'B', 'A', 'B', 'A'),
+            '8' => array('B', 'A', 'B', 'A', 'A', 'B'),
+            '9' => array('B', 'A', 'A', 'B', 'A', 'B')
+        );
+        $upce_parities[1] = array(
+            '0' => array('A', 'A', 'A', 'B', 'B', 'B'),
+            '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')
+        );
+        $k = 0;
+        $seq = '101'; // left guard bar
+        if ($upce) {
+            $bararray = array('code' => $upce_code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array());
+            $p = $upce_parities[$code[1]][$r];
+            for ($i = 0; $i < 6; ++$i) {
+                $seq .= $codes[$p[$i]][$upce_code{$i}];
+            }
+            $seq .= '010101'; // right guard bar
+        } else {
+            $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array());
+            $half_len = intval(ceil($len / 2));
+            if ($len == 8) {
+                for ($i = 0; $i < $half_len; ++$i) {
+                    $seq .= $codes['A'][$code{$i}];
+                }
+            } else {
+                $p = $parities[$code[0]];
+                for ($i = 1; $i < $half_len; ++$i) {
+                    $seq .= $codes[$p[$i - 1]][$code{$i}];
+                }
+            }
+            $seq .= '01010'; // center guard bar
+            for ($i = $half_len; $i < $len; ++$i) {
+                if ( ! isset($codes['C'][$code{$i}])) {
+                    throw new InvalidCharacterException('Char ' . $code{$i} . ' not allowed');
+                }
+                $seq .= $codes['C'][$code{$i}];
+            }
+            $seq .= '101'; // right guard bar
+        }
+        $clen = strlen($seq);
+        $w = 0;
+        for ($i = 0; $i < $clen; ++$i) {
+            $w += 1;
+            if (($i == ($clen - 1)) OR (($i < ($clen - 1)) AND ($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;
+    }
+
+    /**
+     * UPC-Based Extensions
+     * 2-Digit Ext.: Used to indicate magazines and newspaper issue numbers
+     * 5-Digit Ext.: Used to mark suggested retail price of books
+     *
+     * @param $code (string) code to represent.
+     * @param $len (string) barcode type: 2 = 2-Digit, 5 = 5-Digit
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_eanext($code, $len = 5)
+    {
+        //Padding
+        $code = str_pad($code, $len, '0', STR_PAD_LEFT);
+        // calculate check digit
+        if ($len == 2) {
+            $r = $code % 4;
+        } elseif ($len == 5) {
+            $r = (3 * ($code[0] + $code[2] + $code[4])) + (9 * ($code[1] + $code[3]));
+            $r %= 10;
+        } else {
+            throw new InvalidCheckDigitException();
+        }
+        //Convert digits to bars
+        $codes = array(
+            'A' => array( // left odd parity
+                '0' => '0001101',
+                '1' => '0011001',
+                '2' => '0010011',
+                '3' => '0111101',
+                '4' => '0100011',
+                '5' => '0110001',
+                '6' => '0101111',
+                '7' => '0111011',
+                '8' => '0110111',
+                '9' => '0001011'
+            ),
+            'B' => array( // left even parity
+                '0' => '0100111',
+                '1' => '0110011',
+                '2' => '0011011',
+                '3' => '0100001',
+                '4' => '0011101',
+                '5' => '0111001',
+                '6' => '0000101',
+                '7' => '0010001',
+                '8' => '0001001',
+                '9' => '0010111'
+            )
+        );
+        $parities = array();
+        $parities[2] = array(
+            '0' => array('A', 'A'),
+            '1' => array('A', 'B'),
+            '2' => array('B', 'A'),
+            '3' => array('B', 'B')
+        );
+        $parities[5] = array(
+            '0' => array('B', 'B', 'A', 'A', 'A'),
+            '1' => array('B', 'A', 'B', 'A', 'A'),
+            '2' => array('B', 'A', 'A', 'B', 'A'),
+            '3' => array('B', 'A', 'A', 'A', 'B'),
+            '4' => array('A', 'B', 'B', 'A', 'A'),
+            '5' => array('A', 'A', 'B', 'B', 'A'),
+            '6' => array('A', 'A', 'A', 'B', 'B'),
+            '7' => array('A', 'B', 'A', 'B', 'A'),
+            '8' => array('A', 'B', 'A', 'A', 'B'),
+            '9' => array('A', 'A', 'B', 'A', 'B')
+        );
+        $p = $parities[$len][$r];
+        $seq = '1011'; // left guard bar
+        $seq .= $codes[$p[0]][$code[0]];
+        for ($i = 1; $i < $len; ++$i) {
+            $seq .= '01'; // separator
+            $seq .= $codes[$p[$i]][$code{$i}];
+        }
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array());
+
+        return $this->binseq_to_array($seq, $bararray);
+    }
+
+    /**
+     * POSTNET and PLANET barcodes.
+     * Used by U.S. Postal Service for automated mail sorting
+     *
+     * @param $code (string) zip code to represent. Must be a string containing a zip code of the form DDDDD or
+     *     DDDDD-DDDD.
+     * @param $planet (boolean) if true print the PLANET barcode, otherwise print POSTNET
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_postnet($code, $planet = false)
+    {
+        // bar length
+        if ($planet) {
+            $barlen = Array(
+                0 => Array(1, 1, 2, 2, 2),
+                1 => Array(2, 2, 2, 1, 1),
+                2 => Array(2, 2, 1, 2, 1),
+                3 => Array(2, 2, 1, 1, 2),
+                4 => Array(2, 1, 2, 2, 1),
+                5 => Array(2, 1, 2, 1, 2),
+                6 => Array(2, 1, 1, 2, 2),
+                7 => Array(1, 2, 2, 2, 1),
+                8 => Array(1, 2, 2, 1, 2),
+                9 => Array(1, 2, 1, 2, 2)
+            );
+        } else {
+            $barlen = Array(
+                0 => Array(2, 2, 1, 1, 1),
+                1 => Array(1, 1, 1, 2, 2),
+                2 => Array(1, 1, 2, 1, 2),
+                3 => Array(1, 1, 2, 2, 1),
+                4 => Array(1, 2, 1, 1, 2),
+                5 => Array(1, 2, 1, 2, 1),
+                6 => Array(1, 2, 2, 1, 1),
+                7 => Array(2, 1, 1, 1, 2),
+                8 => Array(2, 1, 1, 2, 1),
+                9 => Array(2, 1, 2, 1, 1)
+            );
+        }
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 2, 'bcode' => array());
+        $k = 0;
+        $code = str_replace('-', '', $code);
+        $code = str_replace(' ', '', $code);
+        $len = strlen($code);
+        // calculate checksum
+        $sum = 0;
+        for ($i = 0; $i < $len; ++$i) {
+            $sum += intval($code{$i});
+        }
+        $chkd = ($sum % 10);
+        if ($chkd > 0) {
+            $chkd = (10 - $chkd);
+        }
+        $code .= $chkd;
+        $len = strlen($code);
+        // start bar
+        $bararray['bcode'][$k++] = array('t' => 1, 'w' => 1, 'h' => 2, 'p' => 0);
+        $bararray['bcode'][$k++] = array('t' => 0, 'w' => 1, 'h' => 2, 'p' => 0);
+        $bararray['maxw'] += 2;
+        for ($i = 0; $i < $len; ++$i) {
+            for ($j = 0; $j < 5; ++$j) {
+                $h = $barlen[$code{$i}][$j];
+                $p = floor(1 / $h);
+                $bararray['bcode'][$k++] = array('t' => 1, 'w' => 1, 'h' => $h, 'p' => $p);
+                $bararray['bcode'][$k++] = array('t' => 0, 'w' => 1, 'h' => 2, 'p' => 0);
+                $bararray['maxw'] += 2;
+            }
+        }
+        // end bar
+        $bararray['bcode'][$k++] = array('t' => 1, 'w' => 1, 'h' => 2, 'p' => 0);
+        $bararray['maxw'] += 1;
+
+        return $bararray;
+    }
+
+    /**
+     * RMS4CC - CBC - KIX
+     * RMS4CC (Royal Mail 4-state Customer Code) - CBC (Customer Bar Code) - KIX (Klant index - Customer index)
+     * RM4SCC is the name of the barcode symbology used by the Royal Mail for its Cleanmail service.
+     *
+     * @param $code (string) code to print
+     * @param $kix (boolean) if true prints the KIX variation (doesn't use the start and end symbols, and the checksum)
+     *     - in this case the house number must be sufficed with an X and placed at the end of the code.
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_rms4cc($code, $kix = false)
+    {
+        $notkix = ! $kix;
+        // bar mode
+        // 1 = pos 1, length 2
+        // 2 = pos 1, length 3
+        // 3 = pos 2, length 1
+        // 4 = pos 2, length 2
+        $barmode = array(
+            '0' => array(3, 3, 2, 2),
+            '1' => array(3, 4, 1, 2),
+            '2' => array(3, 4, 2, 1),
+            '3' => array(4, 3, 1, 2),
+            '4' => array(4, 3, 2, 1),
+            '5' => array(4, 4, 1, 1),
+            '6' => array(3, 1, 4, 2),
+            '7' => array(3, 2, 3, 2),
+            '8' => array(3, 2, 4, 1),
+            '9' => array(4, 1, 3, 2),
+            'A' => array(4, 1, 4, 1),
+            'B' => array(4, 2, 3, 1),
+            'C' => array(3, 1, 2, 4),
+            'D' => array(3, 2, 1, 4),
+            'E' => array(3, 2, 2, 3),
+            'F' => array(4, 1, 1, 4),
+            'G' => array(4, 1, 2, 3),
+            'H' => array(4, 2, 1, 3),
+            'I' => array(1, 3, 4, 2),
+            'J' => array(1, 4, 3, 2),
+            'K' => array(1, 4, 4, 1),
+            'L' => array(2, 3, 3, 2),
+            'M' => array(2, 3, 4, 1),
+            'N' => array(2, 4, 3, 1),
+            'O' => array(1, 3, 2, 4),
+            'P' => array(1, 4, 1, 4),
+            'Q' => array(1, 4, 2, 3),
+            'R' => array(2, 3, 1, 4),
+            'S' => array(2, 3, 2, 3),
+            'T' => array(2, 4, 1, 3),
+            'U' => array(1, 1, 4, 4),
+            'V' => array(1, 2, 3, 4),
+            'W' => array(1, 2, 4, 3),
+            'X' => array(2, 1, 3, 4),
+            'Y' => array(2, 1, 4, 3),
+            'Z' => array(2, 2, 3, 3)
+        );
+        $code = strtoupper($code);
+        $len = strlen($code);
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 3, 'bcode' => array());
+        if ($notkix) {
+            // table for checksum calculation (row,col)
+            $checktable = array(
+                '0' => array(1, 1),
+                '1' => array(1, 2),
+                '2' => array(1, 3),
+                '3' => array(1, 4),
+                '4' => array(1, 5),
+                '5' => array(1, 0),
+                '6' => array(2, 1),
+                '7' => array(2, 2),
+                '8' => array(2, 3),
+                '9' => array(2, 4),
+                'A' => array(2, 5),
+                'B' => array(2, 0),
+                'C' => array(3, 1),
+                'D' => array(3, 2),
+                'E' => array(3, 3),
+                'F' => array(3, 4),
+                'G' => array(3, 5),
+                'H' => array(3, 0),
+                'I' => array(4, 1),
+                'J' => array(4, 2),
+                'K' => array(4, 3),
+                'L' => array(4, 4),
+                'M' => array(4, 5),
+                'N' => array(4, 0),
+                'O' => array(5, 1),
+                'P' => array(5, 2),
+                'Q' => array(5, 3),
+                'R' => array(5, 4),
+                'S' => array(5, 5),
+                'T' => array(5, 0),
+                'U' => array(0, 1),
+                'V' => array(0, 2),
+                'W' => array(0, 3),
+                'X' => array(0, 4),
+                'Y' => array(0, 5),
+                'Z' => array(0, 0)
+            );
+            $row = 0;
+            $col = 0;
+            for ($i = 0; $i < $len; ++$i) {
+                $row += $checktable[$code{$i}][0];
+                $col += $checktable[$code{$i}][1];
+            }
+            $row %= 6;
+            $col %= 6;
+            $chk = array_keys($checktable, array($row, $col));
+            $code .= $chk[0];
+            ++$len;
+        }
+        $k = 0;
+        if ($notkix) {
+            // start bar
+            $bararray['bcode'][$k++] = array('t' => 1, 'w' => 1, 'h' => 2, 'p' => 0);
+            $bararray['bcode'][$k++] = array('t' => 0, 'w' => 1, 'h' => 2, 'p' => 0);
+            $bararray['maxw'] += 2;
+        }
+        for ($i = 0; $i < $len; ++$i) {
+            for ($j = 0; $j < 4; ++$j) {
+                switch ($barmode[$code{$i}][$j]) {
+                    case 1: {
+                        $p = 0;
+                        $h = 2;
+                        break;
+                    }
+                    case 2: {
+                        $p = 0;
+                        $h = 3;
+                        break;
+                    }
+                    case 3: {
+                        $p = 1;
+                        $h = 1;
+                        break;
+                    }
+                    case 4: {
+                        $p = 1;
+                        $h = 2;
+                        break;
+                    }
+                }
+                $bararray['bcode'][$k++] = array('t' => 1, 'w' => 1, 'h' => $h, 'p' => $p);
+                $bararray['bcode'][$k++] = array('t' => 0, 'w' => 1, 'h' => 2, 'p' => 0);
+                $bararray['maxw'] += 2;
+            }
+        }
+        if ($notkix) {
+            // stop bar
+            $bararray['bcode'][$k++] = array('t' => 1, 'w' => 1, 'h' => 3, 'p' => 0);
+            $bararray['maxw'] += 1;
+        }
+
+        return $bararray;
+    }
+
+    /**
+     * CODABAR barcodes.
+     * Older code often used in library systems, sometimes in blood banks
+     *
+     * @param $code (string) code to represent.
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_codabar($code)
+    {
+        $chr = array(
+            '0' => '11111221',
+            '1' => '11112211',
+            '2' => '11121121',
+            '3' => '22111111',
+            '4' => '11211211',
+            '5' => '21111211',
+            '6' => '12111121',
+            '7' => '12112111',
+            '8' => '12211111',
+            '9' => '21121111',
+            '-' => '11122111',
+            '$' => '11221111',
+            ':' => '21112121',
+            '/' => '21211121',
+            '.' => '21212111',
+            '+' => '11222221',
+            'A' => '11221211',
+            'B' => '12121121',
+            'C' => '11121221',
+            'D' => '11122211'
+        );
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array());
+        $k = 0;
+        $w = 0;
+        $seq = '';
+        $code = 'A' . strtoupper($code) . 'A';
+        $len = strlen($code);
+        for ($i = 0; $i < $len; ++$i) {
+            if ( ! isset($chr[$code{$i}])) {
+                throw new InvalidCharacterException('Char ' . $code{$i} . ' is unsupported');
+            }
+            $seq = $chr[$code{$i}];
+            for ($j = 0; $j < 8; ++$j) {
+                if (($j % 2) == 0) {
+                    $t = true; // bar
+                } else {
+                    $t = false; // space
+                }
+                $w = $seq{$j};
+                $bararray['bcode'][$k] = array('t' => $t, 'w' => $w, 'h' => 1, 'p' => 0);
+                $bararray['maxw'] += $w;
+                ++$k;
+            }
+        }
+
+        return $bararray;
+    }
+
+    /**
+     * CODE11 barcodes.
+     * Used primarily for labeling telecommunications equipment
+     *
+     * @param $code (string) code to represent.
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_code11($code)
+    {
+        $chr = array(
+            '0' => '111121',
+            '1' => '211121',
+            '2' => '121121',
+            '3' => '221111',
+            '4' => '112121',
+            '5' => '212111',
+            '6' => '122111',
+            '7' => '111221',
+            '8' => '211211',
+            '9' => '211111',
+            '-' => '112111',
+            'S' => '112211'
+        );
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array());
+        $k = 0;
+        $w = 0;
+        $seq = '';
+        $len = strlen($code);
+        // calculate check digit C
+        $p = 1;
+        $check = 0;
+        for ($i = ($len - 1); $i >= 0; --$i) {
+            $digit = $code{$i};
+            if ($digit == '-') {
+                $dval = 10;
+            } else {
+                $dval = intval($digit);
+            }
+            $check += ($dval * $p);
+            ++$p;
+            if ($p > 10) {
+                $p = 1;
+            }
+        }
+        $check %= 11;
+        if ($check == 10) {
+            $check = '-';
+        }
+        $code .= $check;
+        if ($len > 10) {
+            // calculate check digit K
+            $p = 1;
+            $check = 0;
+            for ($i = $len; $i >= 0; --$i) {
+                $digit = $code{$i};
+                if ($digit == '-') {
+                    $dval = 10;
+                } else {
+                    $dval = intval($digit);
+                }
+                $check += ($dval * $p);
+                ++$p;
+                if ($p > 9) {
+                    $p = 1;
+                }
+            }
+            $check %= 11;
+            $code .= $check;
+            ++$len;
+        }
+        $code = 'S' . $code . 'S';
+        $len += 3;
+        for ($i = 0; $i < $len; ++$i) {
+            if ( ! isset($chr[$code{$i}])) {
+                throw new InvalidCharacterException('Char ' . $code{$i} . ' is unsupported');
+            }
+            $seq = $chr[$code{$i}];
+            for ($j = 0; $j < 6; ++$j) {
+                if (($j % 2) == 0) {
+                    $t = true; // bar
+                } else {
+                    $t = false; // space
+                }
+                $w = $seq{$j};
+                $bararray['bcode'][$k] = array('t' => $t, 'w' => $w, 'h' => 1, 'p' => 0);
+                $bararray['maxw'] += $w;
+                ++$k;
+            }
+        }
+
+        return $bararray;
+    }
+
+    /**
+     * Pharmacode
+     * Contains digits (0 to 9)
+     *
+     * @param $code (string) code to represent.
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_pharmacode($code)
+    {
+        $seq = '';
+        $code = intval($code);
+        while ($code > 0) {
+            if (($code % 2) == 0) {
+                $seq .= '11100';
+                $code -= 2;
+            } else {
+                $seq .= '100';
+                $code -= 1;
+            }
+            $code /= 2;
+        }
+        $seq = substr($seq, 0, -2);
+        $seq = strrev($seq);
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 1, 'bcode' => array());
+
+        return $this->binseq_to_array($seq, $bararray);
+    }
+
+    /**
+     * Pharmacode two-track
+     * Contains digits (0 to 9)
+     *
+     * @param $code (string) code to represent.
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_pharmacode2t($code)
+    {
+        $seq = '';
+        $code = intval($code);
+        do {
+            switch ($code % 3) {
+                case 0: {
+                    $seq .= '3';
+                    $code = ($code - 3) / 3;
+                    break;
+                }
+                case 1: {
+                    $seq .= '1';
+                    $code = ($code - 1) / 3;
+                    break;
+                }
+                case 2: {
+                    $seq .= '2';
+                    $code = ($code - 2) / 3;
+                    break;
+                }
+            }
+        } while ($code != 0);
+        $seq = strrev($seq);
+        $k = 0;
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 2, 'bcode' => array());
+        $len = strlen($seq);
+        for ($i = 0; $i < $len; ++$i) {
+            switch ($seq{$i}) {
+                case '1': {
+                    $p = 1;
+                    $h = 1;
+                    break;
+                }
+                case '2': {
+                    $p = 0;
+                    $h = 1;
+                    break;
+                }
+                case '3': {
+                    $p = 0;
+                    $h = 2;
+                    break;
+                }
+            }
+            $bararray['bcode'][$k++] = array('t' => 1, 'w' => 1, 'h' => $h, 'p' => $p);
+            $bararray['bcode'][$k++] = array('t' => 0, 'w' => 1, 'h' => 2, 'p' => 0);
+            $bararray['maxw'] += 2;
+        }
+        unset($bararray['bcode'][($k - 1)]);
+        --$bararray['maxw'];
+
+        return $bararray;
+    }
+
+    /**
+     * IMB - Intelligent Mail Barcode - Onecode - USPS-B-3200
+     * (requires PHP bcmath extension)
+     * Intelligent Mail barcode is a 65-bar code for use on mail in the United States.
+     * The fields are described as follows:<ul><li>The Barcode Identifier shall be assigned by USPS to encode the
+     * presort identification that is currently printed in human readable form on the optional endorsement line (OEL)
+     * as well as for future USPS use. This shall be two digits, with the second digit in the range of 0–4. The
+     * allowable encoding ranges shall be 00–04, 10–14, 20–24, 30–34, 40–44, 50–54, 60–64, 70–74, 80–84, and
+     * 90–94.</li><li>The Service Type Identifier shall be assigned by USPS for any combination of services requested
+     * on the mailpiece. The allowable encoding range shall be 000http://it2.php.net/manual/en/function.dechex.php–999.
+     * Each 3-digit value shall correspond to a particular mail class with a particular combination of service(s). Each
+     * service program, such as OneCode Confirm and OneCode ACS, shall provide the list of Service Type Identifier
+     * values.</li><li>The Mailer or Customer Identifier shall be assigned by USPS as a unique, 6 or 9 digit number
+     * that identifies a business entity. The allowable encoding range for the 6 digit Mailer ID shall be 000000-
+     * 899999, while the allowable encoding range for the 9 digit Mailer ID shall be 900000000-999999999.</li><li>The
+     * Serial or Sequence Number shall be assigned by the mailer for uniquely identifying and tracking mailpieces. The
+     * allowable encoding range shall be 000000000–999999999 when used with a 6 digit Mailer ID and 000000-999999 when
+     * used with a 9 digit Mailer ID. e. The Delivery Point ZIP Code shall be assigned by the mailer for routing the
+     * mailpiece. This shall replace POSTNET for routing the mailpiece to its final delivery point. The length may be
+     * 0, 5, 9, or 11 digits. The allowable encoding ranges shall be no ZIP Code, 00000–99999,  000000000–999999999,
+     * and 00000000000–99999999999.</li></ul>
+     *
+     * @param $code (string) code to print, separate the ZIP (routing code) from the rest using a minus char '-'
+     *     (BarcodeID_ServiceTypeID_MailerID_SerialNumber-RoutingCode)
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_imb($code)
+    {
+        $asc_chr = array(
+            4,
+            0,
+            2,
+            6,
+            3,
+            5,
+            1,
+            9,
+            8,
+            7,
+            1,
+            2,
+            0,
+            6,
+            4,
+            8,
+            2,
+            9,
+            5,
+            3,
+            0,
+            1,
+            3,
+            7,
+            4,
+            6,
+            8,
+            9,
+            2,
+            0,
+            5,
+            1,
+            9,
+            4,
+            3,
+            8,
+            6,
+            7,
+            1,
+            2,
+            4,
+            3,
+            9,
+            5,
+            7,
+            8,
+            3,
+            0,
+            2,
+            1,
+            4,
+            0,
+            9,
+            1,
+            7,
+            0,
+            2,
+            4,
+            6,
+            3,
+            7,
+            1,
+            9,
+            5,
+            8
+        );
+        $dsc_chr = array(
+            7,
+            1,
+            9,
+            5,
+            8,
+            0,
+            2,
+            4,
+            6,
+            3,
+            5,
+            8,
+            9,
+            7,
+            3,
+            0,
+            6,
+            1,
+            7,
+            4,
+            6,
+            8,
+            9,
+            2,
+            5,
+            1,
+            7,
+            5,
+            4,
+            3,
+            8,
+            7,
+            6,
+            0,
+            2,
+            5,
+            4,
+            9,
+            3,
+            0,
+            1,
+            6,
+            8,
+            2,
+            0,
+            4,
+            5,
+            9,
+            6,
+            7,
+            5,
+            2,
+            6,
+            3,
+            8,
+            5,
+            1,
+            9,
+            8,
+            7,
+            4,
+            0,
+            2,
+            6,
+            3
+        );
+        $asc_pos = array(
+            3,
+            0,
+            8,
+            11,
+            1,
+            12,
+            8,
+            11,
+            10,
+            6,
+            4,
+            12,
+            2,
+            7,
+            9,
+            6,
+            7,
+            9,
+            2,
+            8,
+            4,
+            0,
+            12,
+            7,
+            10,
+            9,
+            0,
+            7,
+            10,
+            5,
+            7,
+            9,
+            6,
+            8,
+            2,
+            12,
+            1,
+            4,
+            2,
+            0,
+            1,
+            5,
+            4,
+            6,
+            12,
+            1,
+            0,
+            9,
+            4,
+            7,
+            5,
+            10,
+            2,
+            6,
+            9,
+            11,
+            2,
+            12,
+            6,
+            7,
+            5,
+            11,
+            0,
+            3,
+            2
+        );
+        $dsc_pos = array(
+            2,
+            10,
+            12,
+            5,
+            9,
+            1,
+            5,
+            4,
+            3,
+            9,
+            11,
+            5,
+            10,
+            1,
+            6,
+            3,
+            4,
+            1,
+            10,
+            0,
+            2,
+            11,
+            8,
+            6,
+            1,
+            12,
+            3,
+            8,
+            6,
+            4,
+            4,
+            11,
+            0,
+            6,
+            1,
+            9,
+            11,
+            5,
+            3,
+            7,
+            3,
+            10,
+            7,
+            11,
+            8,
+            2,
+            10,
+            3,
+            5,
+            8,
+            0,
+            3,
+            12,
+            11,
+            8,
+            4,
+            5,
+            1,
+            3,
+            0,
+            7,
+            12,
+            9,
+            8,
+            10
+        );
+        $code_arr = explode('-', $code);
+        $tracking_number = $code_arr[0];
+        if (isset($code_arr[1])) {
+            $routing_code = $code_arr[1];
+        } else {
+            $routing_code = '';
+        }
+        // Conversion of Routing Code
+        switch (strlen($routing_code)) {
+            case 0: {
+                $binary_code = 0;
+                break;
+            }
+            case 5: {
+                $binary_code = bcadd($routing_code, '1');
+                break;
+            }
+            case 9: {
+                $binary_code = bcadd($routing_code, '100001');
+                break;
+            }
+            case 11: {
+                $binary_code = bcadd($routing_code, '1000100001');
+                break;
+            }
+            default: {
+                throw new BarcodeException('Routing code unknown');
+                break;
+            }
+        }
+        $binary_code = bcmul($binary_code, 10);
+        $binary_code = bcadd($binary_code, $tracking_number[0]);
+        $binary_code = bcmul($binary_code, 5);
+        $binary_code = bcadd($binary_code, $tracking_number[1]);
+        $binary_code .= substr($tracking_number, 2, 18);
+        // convert to hexadecimal
+        $binary_code = $this->dec_to_hex($binary_code);
+        // pad to get 13 bytes
+        $binary_code = str_pad($binary_code, 26, '0', STR_PAD_LEFT);
+        // convert string to array of bytes
+        $binary_code_arr = chunk_split($binary_code, 2, "\r");
+        $binary_code_arr = substr($binary_code_arr, 0, -1);
+        $binary_code_arr = explode("\r", $binary_code_arr);
+        // calculate frame check sequence
+        $fcs = $this->imb_crc11fcs($binary_code_arr);
+        // exclude first 2 bits from first byte
+        $first_byte = sprintf('%2s', dechex((hexdec($binary_code_arr[0]) << 2) >> 2));
+        $binary_code_102bit = $first_byte . substr($binary_code, 2);
+        // convert binary data to codewords
+        $codewords = array();
+        $data = $this->hex_to_dec($binary_code_102bit);
+        $codewords[0] = bcmod($data, 636) * 2;
+        $data = bcdiv($data, 636);
+        for ($i = 1; $i < 9; ++$i) {
+            $codewords[$i] = bcmod($data, 1365);
+            $data = bcdiv($data, 1365);
+        }
+        $codewords[9] = $data;
+        if (($fcs >> 10) == 1) {
+            $codewords[9] += 659;
+        }
+        // generate lookup tables
+        $table2of13 = $this->imb_tables(2, 78);
+        $table5of13 = $this->imb_tables(5, 1287);
+        // convert codewords to characters
+        $characters = array();
+        $bitmask = 512;
+        foreach ($codewords as $k => $val) {
+            if ($val <= 1286) {
+                $chrcode = $table5of13[$val];
+            } else {
+                $chrcode = $table2of13[($val - 1287)];
+            }
+            if (($fcs & $bitmask) > 0) {
+                // bitwise invert
+                $chrcode = ((~$chrcode) & 8191);
+            }
+            $characters[] = $chrcode;
+            $bitmask /= 2;
+        }
+        $characters = array_reverse($characters);
+        // build bars
+        $k = 0;
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 3, 'bcode' => array());
+        for ($i = 0; $i < 65; ++$i) {
+            $asc = (($characters[$asc_chr[$i]] & pow(2, $asc_pos[$i])) > 0);
+            $dsc = (($characters[$dsc_chr[$i]] & pow(2, $dsc_pos[$i])) > 0);
+            if ($asc AND $dsc) {
+                // full bar (F)
+                $p = 0;
+                $h = 3;
+            } elseif ($asc) {
+                // ascender (A)
+                $p = 0;
+                $h = 2;
+            } elseif ($dsc) {
+                // descender (D)
+                $p = 1;
+                $h = 2;
+            } else {
+                // tracker (T)
+                $p = 1;
+                $h = 1;
+            }
+            $bararray['bcode'][$k++] = array('t' => 1, 'w' => 1, 'h' => $h, 'p' => $p);
+            $bararray['bcode'][$k++] = array('t' => 0, 'w' => 1, 'h' => 2, 'p' => 0);
+            $bararray['maxw'] += 2;
+        }
+        unset($bararray['bcode'][($k - 1)]);
+        --$bararray['maxw'];
+
+        return $bararray;
+    }
+
+    /**
+     * IMB - Intelligent Mail Barcode - Onecode - USPS-B-3200
+     *
+     * @param $code (string) pre-formatted IMB barcode (65 chars "FADT")
+     * @return array barcode representation.
+     * @protected
+     */
+    protected function barcode_imb_pre($code)
+    {
+        if ( ! preg_match('/^[fadtFADT]{65}$/', $code) == 1) {
+            throw new InvalidFormatException();
+        }
+        $characters = str_split(strtolower($code), 1);
+        // build bars
+        $k = 0;
+        $bararray = array('code' => $code, 'maxw' => 0, 'maxh' => 3, 'bcode' => array());
+        for ($i = 0; $i < 65; ++$i) {
+            switch ($characters[$i]) {
+                case 'f': {
+                    // full bar
+                    $p = 0;
+                    $h = 3;
+                    break;
+                }
+                case 'a': {
+                    // ascender
+                    $p = 0;
+                    $h = 2;
+                    break;
+                }
+                case 'd': {
+                    // descender
+                    $p = 1;
+                    $h = 2;
+                    break;
+                }
+                case 't': {
+                    // tracker (short)
+                    $p = 1;
+                    $h = 1;
+                    break;
+                }
+            }
+            $bararray['bcode'][$k++] = array('t' => 1, 'w' => 1, 'h' => $h, 'p' => $p);
+            $bararray['bcode'][$k++] = array('t' => 0, 'w' => 1, 'h' => 2, 'p' => 0);
+            $bararray['maxw'] += 2;
+        }
+        unset($bararray['bcode'][($k - 1)]);
+        --$bararray['maxw'];
+
+        return $bararray;
+    }
+
+    /**
+     * Convert large integer number to hexadecimal representation.
+     * (requires PHP bcmath extension)
+     *
+     * @param $number (string) number to convert specified as a string
+     * @return string hexadecimal representation
+     */
+    protected function dec_to_hex($number)
+    {
+        if ($number == 0) {
+            return '00';
+        }
+
+        $hex = [];
+
+        while ($number > 0) {
+            array_push($hex, strtoupper(dechex(bcmod($number, '16'))));
+            $number = bcdiv($number, '16', 0);
+        }
+        $hex = array_reverse($hex);
+
+        return implode($hex);
+    }
+
+    /**
+     * Convert large hexadecimal number to decimal representation (string).
+     * (requires PHP bcmath extension)
+     *
+     * @param $hex (string) hexadecimal number to convert specified as a string
+     * @return string hexadecimal representation
+     */
+    protected function hex_to_dec($hex)
+    {
+        $dec = 0;
+        $bitval = 1;
+        $len = strlen($hex);
+        for ($pos = ($len - 1); $pos >= 0; --$pos) {
+            $dec = bcadd($dec, bcmul(hexdec($hex{$pos}), $bitval));
+            $bitval = bcmul($bitval, 16);
+        }
+
+        return $dec;
+    }
+
+    /**
+     * Intelligent Mail Barcode calculation of Frame Check Sequence
+     *
+     * @param $code_arr (string) array of hexadecimal values (13 bytes holding 102 bits right justified).
+     * @return int 11 bit Frame Check Sequence as integer (decimal base)
+     * @protected
+     */
+    protected function imb_crc11fcs($code_arr)
+    {
+        $genpoly = 0x0F35; // generator polynomial
+        $fcs = 0x07FF; // Frame Check Sequence
+        // do most significant byte skipping the 2 most significant bits
+        $data = hexdec($code_arr[0]) << 5;
+        for ($bit = 2; $bit < 8; ++$bit) {
+            if (($fcs ^ $data) & 0x400) {
+                $fcs = ($fcs << 1) ^ $genpoly;
+            } else {
+                $fcs = ($fcs << 1);
+            }
+            $fcs &= 0x7FF;
+            $data <<= 1;
+        }
+        // do rest of bytes
+        for ($byte = 1; $byte < 13; ++$byte) {
+            $data = hexdec($code_arr[$byte]) << 3;
+            for ($bit = 0; $bit < 8; ++$bit) {
+                if (($fcs ^ $data) & 0x400) {
+                    $fcs = ($fcs << 1) ^ $genpoly;
+                } else {
+                    $fcs = ($fcs << 1);
+                }
+                $fcs &= 0x7FF;
+                $data <<= 1;
+            }
+        }
+
+        return $fcs;
+    }
+
+    /**
+     * Reverse unsigned short value
+     *
+     * @param $num (int) value to reversr
+     * @return int reversed value
+     * @protected
+     */
+    protected function imb_reverse_us($num)
+    {
+        $rev = 0;
+        for ($i = 0; $i < 16; ++$i) {
+            $rev <<= 1;
+            $rev |= ($num & 1);
+            $num >>= 1;
+        }
+
+        return $rev;
+    }
+
+    /**
+     * generate Nof13 tables used for Intelligent Mail Barcode
+     *
+     * @param $n (int) is the type of table: 2 for 2of13 table, 5 for 5of13table
+     * @param $size (int) size of table (78 for n=2 and 1287 for n=5)
+     * @return array requested table
+     * @protected
+     */
+    protected function imb_tables($n, $size)
+    {
+        $table = array();
+        $lli = 0; // LUT lower index
+        $lui = $size - 1; // LUT upper index
+        for ($count = 0; $count < 8192; ++$count) {
+            $bit_count = 0;
+            for ($bit_index = 0; $bit_index < 13; ++$bit_index) {
+                $bit_count += intval(($count & (1 << $bit_index)) != 0);
+            }
+            // if we don't have the right number of bits on, go on to the next value
+            if ($bit_count == $n) {
+                $reverse = ($this->imb_reverse_us($count) >> 3);
+                // if the reverse is less than count, we have already visited this pair before
+                if ($reverse >= $count) {
+                    // If count is symmetric, place it at the first free slot from the end of the list.
+                    // Otherwise, place it at the first free slot from the beginning of the list AND place $reverse ath the next free slot from the beginning of the list
+                    if ($reverse == $count) {
+                        $table[$lui] = $count;
+                        --$lui;
+                    } else {
+                        $table[$lli] = $count;
+                        ++$lli;
+                        $table[$lli] = $reverse;
+                        ++$lli;
+                    }
+                }
+            }
+        }
+
+        return $table;
+    }
+
+    protected function convertBarcodeArrayToNewStyle($oldBarcodeArray)
+    {
+        $newBarcodeArray = [];
+        $newBarcodeArray['code'] = $oldBarcodeArray['code'];
+        $newBarcodeArray['maxWidth'] = $oldBarcodeArray['maxw'];
+        $newBarcodeArray['maxHeight'] = $oldBarcodeArray['maxh'];
+        $newBarcodeArray['bars'] = [];
+        foreach ($oldBarcodeArray['bcode'] as $oldbar) {
+            $newBar = [];
+            $newBar['width'] = $oldbar['w'];
+            $newBar['height'] = $oldbar['h'];
+            $newBar['positionVertical'] = $oldbar['p'];
+            $newBar['drawBar'] = $oldbar['t'];
+            $newBar['drawSpacing'] = ! $oldbar['t'];
+
+            $newBarcodeArray['bars'][] = $newBar;
+        }
+
+        return $newBarcodeArray;
+    }
+}

src/Picqer/Barcode/BarcodeGeneratorHTML.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Picqer\Barcode;
+
+class BarcodeGeneratorHTML extends BarcodeGenerator
+{
+
+    /**
+     * Return an HTML representation of barcode.
+     *
+     * @param string $code code to print
+     * @param string $type type of barcode
+     * @param int $widthFactor Width of a single bar element in pixels.
+     * @param int $totalHeight Height of a single bar element in pixels.
+     * @param int|string $color Foreground color for bar elements (background is transparent).
+     * @return string HTML code.
+     * @public
+     */
+    public function getBarcode($code, $type, $widthFactor = 2, $totalHeight = 30, $color = 'black')
+    {
+        $barcodeData = $this->getBarcodeData($code, $type);
+
+        $html = '<div style="font-size:0;position:relative;width:' . ($barcodeData['maxWidth'] * $widthFactor) . 'px;height:' . ($totalHeight) . 'px;">' . "\n";
+
+        $positionHorizontal = 0;
+        foreach ($barcodeData['bars'] as $bar) {
+            $barWidth = round(($bar['width'] * $widthFactor), 3);
+            $barHeight = round(($bar['height'] * $totalHeight / $barcodeData['maxHeight']), 3);
+
+            if ($bar['drawBar']) {
+                $positionVertical = round(($bar['positionVertical'] * $totalHeight / $barcodeData['maxHeight']), 3);
+                // draw a vertical bar
+                $html .= '<div style="background-color:' . $color . ';width:' . $barWidth . 'px;height:' . $barHeight . 'px;position:absolute;left:' . $positionHorizontal . 'px;top:' . $positionVertical . 'px;">&nbsp;</div>' . "\n";
+            }
+
+            $positionHorizontal += $barWidth;
+        }
+
+        $html .= '</div>' . "\n";
+
+        return $html;
+    }
+}

src/Picqer/Barcode/BarcodeGeneratorJPG.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace Picqer\Barcode;
+
+use Picqer\Barcode\Exceptions\BarcodeException;
+
+class BarcodeGeneratorJPG extends BarcodeGenerator
+{
+
+    /**
+     * Return a JPG image representation of barcode (requires GD or Imagick library).
+     *
+     * @param string $code code to print
+     * @param string $type type of barcode:
+     * @param int $widthFactor Width of a single bar element in pixels.
+     * @param int $totalHeight Height of a single bar element in pixels.
+     * @param array $color RGB (0-255) foreground color for bar elements (background is transparent).
+     * @return string image data or false in case of error.
+     * @public
+     * @throws BarcodeException
+     */
+    public function getBarcode($code, $type, $widthFactor = 2, $totalHeight = 30, $color = array(0, 0, 0))
+    {
+        $barcodeData = $this->getBarcodeData($code, $type);
+
+        // calculate image size
+        $width = ($barcodeData['maxWidth'] * $widthFactor);
+        $height = $totalHeight;
+
+        if (function_exists('imagecreate')) {
+            // GD library
+            $imagick = false;
+            $jpg = imagecreate($width, $height);
+            $colorBackground = imagecolorallocate($jpg, 255, 255, 255);
+            imagecolortransparent($jpg, $colorBackground);
+            $colorForeground = imagecolorallocate($jpg, $color[0], $color[1], $color[2]);
+        } elseif (extension_loaded('imagick')) {
+            $imagick = true;
+            $colorForeground = new \imagickpixel('rgb(' . $color[0] . ',' . $color[1] . ',' . $color[2] . ')');
+            $jpg = new \Imagick();
+            $jpg->newImage($width, $height, 'none', 'jpg');
+            $imageMagickObject = new \imagickdraw();
+            $imageMagickObject->setFillColor($colorForeground);
+        } else {
+            throw new BarcodeException('Neither gd-lib or imagick are installed!');
+        }
+
+        // print bars
+        $positionHorizontal = 0;
+        foreach ($barcodeData['bars'] as $bar) {
+            $bw = round(($bar['width'] * $widthFactor), 3);
+            $bh = round(($bar['height'] * $totalHeight / $barcodeData['maxHeight']), 3);
+            if ($bar['drawBar']) {
+                $y = round(($bar['positionVertical'] * $totalHeight / $barcodeData['maxHeight']), 3);
+                // draw a vertical bar
+                if ($imagick && isset($imageMagickObject)) {
+                    $imageMagickObject->rectangle($positionHorizontal, $y, ($positionHorizontal + $bw), ($y + $bh));
+                } else {
+                    imagefilledrectangle($jpg, $positionHorizontal, $y, ($positionHorizontal + $bw) - 1, ($y + $bh),
+                        $colorForeground);
+                }
+            }
+            $positionHorizontal += $bw;
+        }
+        ob_start();
+        if ($imagick && isset($imageMagickObject)) {
+            $jpg->drawImage($imageMagickObject);
+            echo $jpg;
+        } else {
+            imagejpeg($jpg);
+            imagedestroy($jpg);
+        }
+        $image = ob_get_clean();
+
+        return $image;
+    }
+}

src/Picqer/Barcode/BarcodeGeneratorPNG.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Picqer\Barcode;
+
+use Picqer\Barcode\Exceptions\BarcodeException;
+
+class BarcodeGeneratorPNG extends BarcodeGenerator
+{
+
+    /**
+     * Return a PNG image representation of barcode (requires GD or Imagick library).
+     *
+     * @param string $code code to print
+     * @param string $type type of barcode:
+     * @param int $widthFactor Width of a single bar element in pixels.
+     * @param int $totalHeight Height of a single bar element in pixels.
+     * @param array $color RGB (0-255) foreground color for bar elements (background is transparent).
+     * @return string image data or false in case of error.
+     * @public
+     */
+    public function getBarcode($code, $type, $widthFactor = 2, $totalHeight = 30, $color = array(0, 0, 0))
+    {
+        $barcodeData = $this->getBarcodeData($code, $type);
+
+        // calculate image size
+        $width = ($barcodeData['maxWidth'] * $widthFactor);
+        $height = $totalHeight;
+
+        if (function_exists('imagecreate')) {
+            // GD library
+            $imagick = false;
+            $png = imagecreate($width, $height);
+            $colorBackground = imagecolorallocate($png, 255, 255, 255);
+            imagecolortransparent($png, $colorBackground);
+            $colorForeground = imagecolorallocate($png, $color[0], $color[1], $color[2]);
+        } elseif (extension_loaded('imagick')) {
+            $imagick = true;
+            $colorForeground = new \imagickpixel('rgb(' . $color[0] . ',' . $color[1] . ',' . $color[2] . ')');
+            $png = new \Imagick();
+            $png->newImage($width, $height, 'none', 'png');
+            $imageMagickObject = new \imagickdraw();
+            $imageMagickObject->setFillColor($colorForeground);
+        } else {
+            throw new BarcodeException('Neither gd-lib or imagick are installed!');
+        }
+
+        // print bars
+        $positionHorizontal = 0;
+        foreach ($barcodeData['bars'] as $bar) {
+            $bw = round(($bar['width'] * $widthFactor), 3);
+            $bh = round(($bar['height'] * $totalHeight / $barcodeData['maxHeight']), 3);
+            if ($bar['drawBar']) {
+                $y = round(($bar['positionVertical'] * $totalHeight / $barcodeData['maxHeight']), 3);
+                // draw a vertical bar
+                if ($imagick && isset($imageMagickObject)) {
+                    $imageMagickObject->rectangle($positionHorizontal, $y, ($positionHorizontal + $bw), ($y + $bh));
+                } else {
+                    imagefilledrectangle($png, $positionHorizontal, $y, ($positionHorizontal + $bw) - 1, ($y + $bh),
+                        $colorForeground);
+                }
+            }
+            $positionHorizontal += $bw;
+        }
+        ob_start();
+        if ($imagick && isset($imageMagickObject)) {
+            $png->drawImage($imageMagickObject);
+            echo $png;
+        } else {
+            imagepng($png);
+            imagedestroy($png);
+        }
+        $image = ob_get_clean();
+
+        return $image;
+    }
+}

src/Picqer/Barcode/BarcodeGeneratorSVG.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Picqer\Barcode;
+
+class BarcodeGeneratorSVG extends BarcodeGenerator
+{
+
+    /**
+     * Return a SVG string representation of barcode.
+     *
+     * @param $code (string) code to print
+     * @param $type (const) type of barcode
+     * @param $widthFactor (int) Minimum width of a single bar in user units.
+     * @param $totalHeight (int) Height of barcode in user units.
+     * @param $color (string) Foreground color (in SVG format) for bar elements (background is transparent).
+     * @return string SVG code.
+     * @public
+     */
+    public function getBarcode($code, $type, $widthFactor = 2, $totalHeight = 30, $color = 'black')
+    {
+        $barcodeData = $this->getBarcodeData($code, $type);
+
+        // replace table for special characters
+        $repstr = array("\0" => '', '&' => '&amp;', '<' => '&lt;', '>' => '&gt;');
+
+        $svg = '<?xml version="1.0" standalone="no" ?>' . "\n";
+        $svg .= '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">' . "\n";
+        $svg .= '<svg width="' . round(($barcodeData['maxWidth'] * $widthFactor),
+                3) . '" height="' . $totalHeight . '" version="1.1" xmlns="http://www.w3.org/2000/svg">' . "\n";
+        $svg .= "\t" . '<desc>' . strtr($barcodeData['code'], $repstr) . '</desc>' . "\n";
+        $svg .= "\t" . '<g id="bars" fill="' . $color . '" stroke="none">' . "\n";
+        // print bars
+        $positionHorizontal = 0;
+        foreach ($barcodeData['bars'] as $bar) {
+            $barWidth = round(($bar['width'] * $widthFactor), 3);
+            $barHeight = round(($bar['height'] * $totalHeight / $barcodeData['maxHeight']), 3);
+            if ($bar['drawBar']) {
+                $positionVertical = round(($bar['positionVertical'] * $totalHeight / $barcodeData['maxHeight']), 3);
+                // draw a vertical bar
+                $svg .= "\t\t" . '<rect x="' . $positionHorizontal . '" y="' . $positionVertical . '" width="' . $barWidth . '" height="' . $barHeight . '" />' . "\n";
+            }
+            $positionHorizontal += $barWidth;
+        }
+        $svg .= "\t" . '</g>' . "\n";
+        $svg .= '</svg>' . "\n";
+
+        return $svg;
+    }
+}

src/Picqer/Barcode/Exceptions/BarcodeException.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace Picqer\Barcode\Exceptions;
+
+class BarcodeException extends \Exception {}

src/Picqer/Barcode/Exceptions/InvalidCharacterException.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace Picqer\Barcode\Exceptions;
+
+class InvalidCharacterException extends BarcodeException {}

src/Picqer/Barcode/Exceptions/InvalidCheckDigitException.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace Picqer\Barcode\Exceptions;
+
+class InvalidCheckDigitException extends BarcodeException {}

src/Picqer/Barcode/Exceptions/InvalidFormatException.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace Picqer\Barcode\Exceptions;
+
+class InvalidFormatException extends BarcodeException {}

src/Picqer/Barcode/Exceptions/InvalidLengthException.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace Picqer\Barcode\Exceptions;
+
+class InvalidLengthException extends BarcodeException {}

src/Picqer/Barcode/Exceptions/UnknownTypeException.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace Picqer\Barcode\Exceptions;
+
+class UnknownTypeException extends BarcodeException {}