--- a/lib/tcpdf/qrcode.php +++ b/lib/tcpdf/qrcode.php @@ -1,1 +1,2867 @@ - +<?php +//============================================================+ +// File name : qrcode.php +// Version : 1.0.009 +// Begin : 2010-03-22 +// Last Update : 2010-12-16 +// Author : Nicola Asuni - Tecnick.com S.r.l - Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com +// License : GNU-LGPL v3 (http://www.gnu.org/copyleft/lesser.html) +// ------------------------------------------------------------------- +// Copyright (C) 2010-2010 Nicola Asuni - Tecnick.com S.r.l. +// +// This file is part of TCPDF software library. +// +// TCPDF is free software: you can redistribute it and/or modify it +// under the terms of the GNU Lesser General Public License as +// published by the Free Software Foundation, either version 3 of the +// License, or (at your option) any later version. +// +// TCPDF is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +// See the GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with TCPDF. If not, see <http://www.gnu.org/licenses/>. +// +// See LICENSE.TXT file for more information. +// ------------------------------------------------------------------- +// +// DESCRIPTION : +// +// Class to create QR-code arrays for TCPDF class. +// QR Code symbol is a 2D barcode that can be scanned by +// handy terminals such as a mobile phone with CCD. +// The capacity of QR Code is up to 7000 digits or 4000 +// characters, and has high robustness. +// This class supports QR Code model 2, described in +// JIS (Japanese Industrial Standards) X0510:2004 +// or ISO/IEC 18004. +// Currently the following features are not supported: +// ECI and FNC1 mode, Micro QR Code, QR Code model 1, +// Structured mode. +// +// This class is derived from the following projects: +// --------------------------------------------------------- +// "PHP QR Code encoder" +// License: GNU-LGPLv3 +// Copyright (C) 2010 by Dominik Dzienia <deltalab at poczta dot fm> +// http://phpqrcode.sourceforge.net/ +// https://sourceforge.net/projects/phpqrcode/ +// +// The "PHP QR Code encoder" is based on +// "C libqrencode library" (ver. 3.1.1) +// License: GNU-LGPL 2.1 +// Copyright (C) 2006-2010 by Kentaro Fukuchi +// http://megaui.net/fukuchi/works/qrencode/index.en.html +// +// Reed-Solomon code encoder is written by Phil Karn, KA9Q. +// Copyright (C) 2002-2006 Phil Karn, KA9Q +// +// QR Code is registered trademark of DENSO WAVE INCORPORATED +// http://www.denso-wave.com/qrcode/index-e.html +// --------------------------------------------------------- +//============================================================+ + +/** + * @file + * Class to create QR-code arrays for TCPDF class. + * QR Code symbol is a 2D barcode that can be scanned by handy terminals such as a mobile phone with CCD. + * The capacity of QR Code is up to 7000 digits or 4000 characters, and has high robustness. + * This class supports QR Code model 2, described in JIS (Japanese Industrial Standards) X0510:2004 or ISO/IEC 18004. + * Currently the following features are not supported: ECI and FNC1 mode, Micro QR Code, QR Code model 1, Structured mode. + * + * This class is derived from "PHP QR Code encoder" by Dominik Dzienia (http://phpqrcode.sourceforge.net/) based on "libqrencode C library 3.1.1." by Kentaro Fukuchi (http://megaui.net/fukuchi/works/qrencode/index.en.html), contains Reed-Solomon code written by Phil Karn, KA9Q. QR Code is registered trademark of DENSO WAVE INCORPORATED (http://www.denso-wave.com/qrcode/index-e.html). + * Please read comments on this class source file for full copyright and license information. + * + * @package com.tecnick.tcpdf + * @author Nicola Asuni + * @version 1.0.009 + */ + +// definitions +if (!defined('QRCODEDEFS')) { + + /** + * Indicate that definitions for this class are set + */ + define('QRCODEDEFS', true); + + // ----------------------------------------------------- + + // Encoding modes (characters which can be encoded in QRcode) + + /** + * Encoding mode + */ + define('QR_MODE_NL', -1); + + /** + * Encoding mode numeric (0-9). 3 characters are encoded to 10bit length. In theory, 7089 characters or less can be stored in a QRcode. + */ + define('QR_MODE_NM', 0); + + /** + * Encoding mode alphanumeric (0-9A-Z $%*+-./:) 45characters. 2 characters are encoded to 11bit length. In theory, 4296 characters or less can be stored in a QRcode. + */ + define('QR_MODE_AN', 1); + + /** + * Encoding mode 8bit byte data. In theory, 2953 characters or less can be stored in a QRcode. + */ + define('QR_MODE_8B', 2); + + /** + * Encoding mode KANJI. A KANJI character (multibyte character) is encoded to 13bit length. In theory, 1817 characters or less can be stored in a QRcode. + */ + define('QR_MODE_KJ', 3); + + /** + * Encoding mode STRUCTURED (currently unsupported) + */ + define('QR_MODE_ST', 4); + + // ----------------------------------------------------- + + // Levels of error correction. + // QRcode has a function of an error correcting for miss reading that white is black. + // Error correcting is defined in 4 level as below. + + /** + * Error correction level L : About 7% or less errors can be corrected. + */ + define('QR_ECLEVEL_L', 0); + + /** + * Error correction level M : About 15% or less errors can be corrected. + */ + define('QR_ECLEVEL_M', 1); + + /** + * Error correction level Q : About 25% or less errors can be corrected. + */ + define('QR_ECLEVEL_Q', 2); + + /** + * Error correction level H : About 30% or less errors can be corrected. + */ + define('QR_ECLEVEL_H', 3); + + // ----------------------------------------------------- + + // Version. Size of QRcode is defined as version. + // Version is from 1 to 40. + // Version 1 is 21*21 matrix. And 4 modules increases whenever 1 version increases. + // So version 40 is 177*177 matrix. + + /** + * Maximum QR Code version. + */ + define('QRSPEC_VERSION_MAX', 40); + + /** + * Maximum matrix size for maximum version (version 40 is 177*177 matrix). + */ + define('QRSPEC_WIDTH_MAX', 177); + + // ----------------------------------------------------- + + /** + * Matrix index to get width from $capacity array. + */ + define('QRCAP_WIDTH', 0); + + /** + * Matrix index to get number of words from $capacity array. + */ + define('QRCAP_WORDS', 1); + + /** + * Matrix index to get remainder from $capacity array. + */ + define('QRCAP_REMINDER', 2); + + /** + * Matrix index to get error correction level from $capacity array. + */ + define('QRCAP_EC', 3); + + // ----------------------------------------------------- + + // Structure (currently usupported) + + /** + * Number of header bits for structured mode + */ + define('STRUCTURE_HEADER_BITS', 20); + + /** + * Max number of symbols for structured mode + */ + define('MAX_STRUCTURED_SYMBOLS', 16); + + // ----------------------------------------------------- + + // Masks + + /** + * Down point base value for case 1 mask pattern (concatenation of same color in a line or a column) + */ + define('N1', 3); + + /** + * Down point base value for case 2 mask pattern (module block of same color) + */ + define('N2', 3); + + /** + * Down point base value for case 3 mask pattern (1:1:3:1:1(dark:bright:dark:bright:dark)pattern in a line or a column) + */ + define('N3', 40); + + /** + * Down point base value for case 4 mask pattern (ration of dark modules in whole) + */ + define('N4', 10); + + // ----------------------------------------------------- + + // Optimization settings + + /** + * if true, estimates best mask (spec. default, but extremally slow; set to false to significant performance boost but (propably) worst quality code + */ + define('QR_FIND_BEST_MASK', true); + + /** + * if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly + */ + define('QR_FIND_FROM_RANDOM', 2); + + /** + * when QR_FIND_BEST_MASK === false + */ + define('QR_DEFAULT_MASK', 2); + + // ----------------------------------------------------- + +} // end of definitions + +// #*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*# + +// for compatibility with PHP4 +if (!function_exists('str_split')) { + /** + * Convert a string to an array (needed for PHP4 compatibility) + * @param $string (string) The input string. + * @param $split_length (int) Maximum length of the chunk. + * @return If the optional split_length parameter is specified, the returned array will be broken down into chunks with each being split_length in length, otherwise each chunk will be one character in length. FALSE is returned if split_length is less than 1. If the split_length length exceeds the length of string , the entire string is returned as the first (and only) array element. + */ + function str_split($string, $split_length=1) { + if ((strlen($string) > $split_length) OR (!$split_length)) { + do { + $c = strlen($string); + $parts[] = substr($string, 0, $split_length); + $string = substr($string, $split_length); + } while ($string !== false); + } else { + $parts = array($string); + } + return $parts; + } +} + +// ##################################################### + +/** + * @class QRcode + * Class to create QR-code arrays for TCPDF class. + * QR Code symbol is a 2D barcode that can be scanned by handy terminals such as a mobile phone with CCD. + * The capacity of QR Code is up to 7000 digits or 4000 characters, and has high robustness. + * This class supports QR Code model 2, described in JIS (Japanese Industrial Standards) X0510:2004 or ISO/IEC 18004. + * Currently the following features are not supported: ECI and FNC1 mode, Micro QR Code, QR Code model 1, Structured mode. + * + * This class is derived from "PHP QR Code encoder" by Dominik Dzienia (http://phpqrcode.sourceforge.net/) based on "libqrencode C library 3.1.1." by Kentaro Fukuchi (http://megaui.net/fukuchi/works/qrencode/index.en.html), contains Reed-Solomon code written by Phil Karn, KA9Q. QR Code is registered trademark of DENSO WAVE INCORPORATED (http://www.denso-wave.com/qrcode/index-e.html). + * Please read comments on this class source file for full copyright and license information. + * + * @package com.tecnick.tcpdf + * @author Nicola Asuni + * @version 1.0.009 + */ +class QRcode { + + /** + * Barcode array to be returned which is readable by TCPDF. + * @protected + */ + protected $barcode_array = array(); + + /** + * QR code version. Size of QRcode is defined as version. Version is from 1 to 40. Version 1 is 21*21 matrix. And 4 modules increases whenever 1 version increases. So version 40 is 177*177 matrix. + * @protected + */ + protected $version = 0; + + /** + * Levels of error correction. See definitions for possible values. + * @protected + */ + protected $level = QR_ECLEVEL_L; + + /** + * Encoding mode. + * @protected + */ + protected $hint = QR_MODE_8B; + + /** + * Boolean flag, if true the input string will be converted to uppercase. + * @protected + */ + protected $casesensitive = true; + + /** + * Structured QR code (not supported yet). + * @protected + */ + protected $structured = 0; + + /** + * Mask data. + * @protected + */ + protected $data; + + // FrameFiller + + /** + * Width. + * @protected + */ + protected $width; + + /** + * Frame. + * @protected + */ + protected $frame; + + /** + * X position of bit. + * @protected + */ + protected $x; + + /** + * Y position of bit. + * @protected + */ + protected $y; + + /** + * Direction. + * @protected + */ + protected $dir; + + /** + * Single bit value. + * @protected + */ + protected $bit; + + // ---- QRrawcode ---- + + /** + * Data code. + * @protected + */ + protected $datacode = array(); + + /** + * Error correction code. + * @protected + */ + protected $ecccode = array(); + + /** + * Blocks. + * @protected + */ + protected $blocks; + + /** + * Reed-Solomon blocks. + * @protected + */ + protected $rsblocks = array(); //of RSblock + + /** + * Counter. + * @protected + */ + protected $count; + + /** + * Data length. + * @protected + */ + protected $dataLength; + + /** + * Error correction length. + * @protected + */ + protected $eccLength; + + /** + * Value b1. + * @protected + */ + protected $b1; + + // ---- QRmask ---- + + /** + * Run length. + * @protected + */ + protected $runLength = array(); + + // ---- QRsplit ---- + + /** + * Input data string. + * @protected + */ + protected $dataStr = ''; + + /** + * Input items. + * @protected + */ + protected $items; + + // Reed-Solomon items + + /** + * Reed-Solomon items. + * @protected + */ + protected $rsitems = array(); + + /** + * Array of frames. + * @protected + */ + protected $frames = array(); + + /** + * Alphabet-numeric convesion table. + * @protected + */ + protected $anTable = array( + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // + 36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43, // + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 44, -1, -1, -1, -1, -1, // + -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, // + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, // + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, // + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 // + ); + + /** + * Array Table of the capacity of symbols. + * See Table 1 (pp.13) and Table 12-16 (pp.30-36), JIS X0510:2004. + * @protected + */ + protected $capacity = array( + array( 0, 0, 0, array( 0, 0, 0, 0)), // + array( 21, 26, 0, array( 7, 10, 13, 17)), // 1 + array( 25, 44, 7, array( 10, 16, 22, 28)), // + array( 29, 70, 7, array( 15, 26, 36, 44)), // + array( 33, 100, 7, array( 20, 36, 52, 64)), // + array( 37, 134, 7, array( 26, 48, 72, 88)), // 5 + array( 41, 172, 7, array( 36, 64, 96, 112)), // + array( 45, 196, 0, array( 40, 72, 108, 130)), // + array( 49, 242, 0, array( 48, 88, 132, 156)), // + array( 53, 292, 0, array( 60, 110, 160, 192)), // + array( 57, 346, 0, array( 72, 130, 192, 224)), // 10 + array( 61, 404, 0, array( 80, 150, 224, 264)), // + array( 65, 466, 0, array( 96, 176, 260, 308)), // + array( 69, 532, 0, array( 104, 198, 288, 352)), // + array( 73, 581, 3, array( 120, 216, 320, 384)), // + array( 77, 655, 3, array( 132, 240, 360, 432)), // 15 + array( 81, 733, 3, array( 144, 280, 408, 480)), // + array( 85, 815, 3, array( 168, 308, 448, 532)), // + array( 89, 901, 3, array( 180, 338, 504, 588)), // + array( 93, 991, 3, array( 196, 364, 546, 650)), // + array( 97, 1085, 3, array( 224, 416, 600, 700)), // 20 + array(101, 1156, 4, array( 224, 442, 644, 750)), // + array(105, 1258, 4, array( 252, 476, 690, 816)), // + array(109, 1364, 4, array( 270, 504, 750, 900)), // + array(113, 1474, 4, array( 300, 560, 810, 960)), // + array(117, 1588, 4, array( 312, 588, 870, 1050)), // 25 + array(121, 1706, 4, array( 336, 644, 952, 1110)), // + array(125, 1828, 4, array( 360, 700, 1020, 1200)), // + array(129, 1921, 3, array( 390, 728, 1050, 1260)), // + array(133, 2051, 3, array( 420, 784, 1140, 1350)), // + array(137, 2185, 3, array( 450, 812, 1200, 1440)), // 30 + array(141, 2323, 3, array( 480, 868, 1290, 1530)), // + array(145, 2465, 3, array( 510, 924, 1350, 1620)), // + array(149, 2611, 3, array( 540, 980, 1440, 1710)), // + array(153, 2761, 3, array( 570, 1036, 1530, 1800)), // + array(157, 2876, 0, array( 570, 1064, 1590, 1890)), // 35 + array(161, 3034, 0, array( 600, 1120, 1680, 1980)), // + array(165, 3196, 0, array( 630, 1204, 1770, 2100)), // + array(169, 3362, 0, array( 660, 1260, 1860, 2220)), // + array(173, 3532, 0, array( 720, 1316, 1950, 2310)), // + array(177, 3706, 0, array( 750, 1372, 2040, 2430)) // 40 + ); + + /** + * Array Length indicator. + * @protected + */ + protected $lengthTableBits = array( + array(10, 12, 14), + array( 9, 11, 13), + array( 8, 16, 16), + array( 8, 10, 12) + ); + + /** + * Array Table of the error correction code (Reed-Solomon block). + * See Table 12-16 (pp.30-36), JIS X0510:2004. + * @protected + */ + protected $eccTable = array( + array(array( 0, 0), array( 0, 0), array( 0, 0), array( 0, 0)), // + array(array( 1, 0), array( 1, 0), array( 1, 0), array( 1, 0)), // 1 + array(array( 1, 0), array( 1, 0), array( 1, 0), array( 1, 0)), // + array(array( 1, 0), array( 1, 0), array( 2, 0), array( 2, 0)), // + array(array( 1, 0), array( 2, 0), array( 2, 0), array( 4, 0)), // + array(array( 1, 0), array( 2, 0), array( 2, 2), array( 2, 2)), // 5 + array(array( 2, 0), array( 4, 0), array( 4, 0), array( 4, 0)), // + array(array( 2, 0), array( 4, 0), array( 2, 4), array( 4, 1)), // + array(array( 2, 0), array( 2, 2), array( 4, 2), array( 4, 2)), // + array(array( 2, 0), array( 3, 2), array( 4, 4), array( 4, 4)), // + array(array( 2, 2), array( 4, 1), array( 6, 2), array( 6, 2)), // 10 + array(array( 4, 0), array( 1, 4), array( 4, 4), array( 3, 8)), // + array(array( 2, 2), array( 6, 2), array( 4, 6), array( 7, 4)), // + array(array( 4, 0), array( 8, 1), array( 8, 4), array(12, 4)), // + array(array( 3, 1), array( 4, 5), array(11, 5), array(11, 5)), // + array(array( 5, 1), array( 5, 5), array( 5, 7), array(11, 7)), // 15 + array(array( 5, 1), array( 7, 3), array(15, 2), array( 3, 13)), // + array(array( 1, 5), array(10, 1), array( 1, 15), array( 2, 17)), // + array(array( 5, 1), array( 9, 4), array(17, 1), array( 2, 19)), // + array(array( 3, 4), array( 3, 11), array(17, 4), array( 9, 16)), // + array(array( 3, 5), array( 3, 13), array(15, 5), array(15, 10)), // 20 + array(array( 4, 4), array(17, 0), array(17, 6), array(19, 6)), // + array(array( 2, 7), array(17, 0), array( 7, 16), array(34, 0)), // + array(array( 4, 5), array( 4, 14), array(11, 14), array(16, 14)), // + array(array( 6, 4), array( 6, 14), array(11, 16), array(30, 2)), // + array(array( 8, 4), array( 8, 13), array( 7, 22), array(22, 13)), // 25 + array(array(10, 2), array(19, 4), array(28, 6), array(33, 4)), // + array(array( 8, 4), array(22, 3), array( 8, 26), array(12, 28)), // + array(array( 3, 10), array( 3, 23), array( 4, 31), array(11, 31)), // + array(array( 7, 7), array(21, 7), array( 1, 37), array(19, 26)), // + array(array( 5, 10), array(19, 10), array(15, 25), array(23, 25)), // 30 + array(array(13, 3), array( 2, 29), array(42, 1), array(23, 28)), // + array(array(17, 0), array(10, 23), array(10, 35), array(19, 35)), // + array(array(17, 1), array(14, 21), array(29, 19), array(11, 46)), // + array(array(13, 6), array(14, 23), array(44, 7), array(59, 1)), // + array(array(12, 7), array(12, 26), array(39, 14), array(22, 41)), // 35 + array(array( 6, 14), array( 6, 34), array(46, 10), array( 2, 64)), // + array(array(17, 4), array(29, 14), array(49, 10), array(24, 46)), // + array(array( 4, 18), array(13, 32), array(48, 14), array(42, 32)), // + array(array(20, 4), array(40, 7), array(43, 22), array(10, 67)), // + array(array(19, 6), array(18, 31), array(34, 34), array(20, 61)) // 40 + ); + + /** + * Array Positions of alignment patterns. + * This array includes only the second and the third position of the alignment patterns. Rest of them can be calculated from the distance between them. + * See Table 1 in Appendix E (pp.71) of JIS X0510:2004. + * @protected + */ + protected $alignmentPattern = array( + array( 0, 0), + array( 0, 0), array(18, 0), array(22, 0), array(26, 0), array(30, 0), // 1- 5 + array(34, 0), array(22, 38), array(24, 42), array(26, 46), array(28, 50), // 6-10 + array(30, 54), array(32, 58), array(34, 62), array(26, 46), array(26, 48), // 11-15 + array(26, 50), array(30, 54), array(30, 56), array(30, 58), array(34, 62), // 16-20 + array(28, 50), array(26, 50), array(30, 54), array(28, 54), array(32, 58), // 21-25 + array(30, 58), array(34, 62), array(26, 50), array(30, 54), array(26, 52), // 26-30 + array(30, 56), array(34, 60), array(30, 58), array(34, 62), array(30, 54), // 31-35 + array(24, 50), array(28, 54), array(32, 58), array(26, 54), array(30, 58) // 35-40 + ); + + /** + * Array Version information pattern (BCH coded). + * See Table 1 in Appendix D (pp.68) of JIS X0510:2004. + * size: [QRSPEC_VERSION_MAX - 6] + * @protected + */ + protected $versionPattern = array( + 0x07c94, 0x085bc, 0x09a99, 0x0a4d3, 0x0bbf6, 0x0c762, 0x0d847, 0x0e60d, // + 0x0f928, 0x10b78, 0x1145d, 0x12a17, 0x13532, 0x149a6, 0x15683, 0x168c9, // + 0x177ec, 0x18ec4, 0x191e1, 0x1afab, 0x1b08e, 0x1cc1a, 0x1d33f, 0x1ed75, // + 0x1f250, 0x209d5, 0x216f0, 0x228ba, 0x2379f, 0x24b0b, 0x2542e, 0x26a64, // + 0x27541, 0x28c69 + ); + + /** + * Array Format information + * @protected + */ + protected $formatInfo = array( + array(0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976), // + array(0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0), // + array(0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed), // + array(0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b) // + ); + + + // ------------------------------------------------- + // ------------------------------------------------- + + + /** + * This is the class constructor. + * Creates a QRcode object + * @param $code (string) code to represent using QRcode + * @param $eclevel (string) error level: <ul><li>L : About 7% or less errors can be corrected.</li><li>M : About 15% or less errors can be corrected.</li><li>Q : About 25% or less errors can be corrected.</li><li>H : About 30% or less errors can be corrected.</li></ul> + * @public + * @since 1.0.000 + */ + public function __construct($code, $eclevel = 'L') { + $barcode_array = array(); + if ((is_null($code)) OR ($code == '\0') OR ($code == '')) { + return false; + } + // set error correction level + $this->level = array_search($eclevel, array('L', 'M', 'Q', 'H')); + if ($this->level === false) { + $this->level = QR_ECLEVEL_L; + } + if (($this->hint != QR_MODE_8B) AND ($this->hint != QR_MODE_KJ)) { + return false; + } + if (($this->version < 0) OR ($this->version > QRSPEC_VERSION_MAX)) { + return false; + } + $this->items = array(); + $this->encodeString($code); + if (is_null($this->data)) { + return false; + } + $qrTab = $this->binarize($this->data); + $size = count($qrTab); + $barcode_array['num_rows'] = $size; + $barcode_array['num_cols'] = $size; + $barcode_array['bcode'] = array(); + foreach ($qrTab as $line) { + $arrAdd = array(); + foreach (str_split($line) as $char) { + $arrAdd[] = ($char=='1')?1:0; + } + $barcode_array['bcode'][] = $arrAdd; + } + $this->barcode_array = $barcode_array; + } + + /** + * Returns a barcode array which is readable by TCPDF + * @return array barcode array readable by TCPDF; + * @public + */ + public function getBarcodeArray() { + return $this->barcode_array; + } + + /** + * Convert the frame in binary form + * @param $frame (array) array to binarize + * @return array frame in binary form + */ + protected function binarize($frame) { + $len = count($frame); + // the frame is square (width = height) + foreach ($frame as &$frameLine) { + for ($i=0; $i<$len; $i++) { + $frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0'; + } + } + return $frame; + } + + /** + * Encode the input string to QR code + * @param $string (string) input string to encode + */ + protected function encodeString($string) { + $this->dataStr = $string; + if (!$this->casesensitive) { + $this->toUpper(); + } + $ret = $this->splitString(); + if ($ret < 0) { + return NULL; + } + $this->encodeMask(-1); + } + + /** + * Encode mask + * @param $mask (int) masking mode + */ + protected function encodeMask($mask) { + $spec = array(0, 0, 0, 0, 0); + $this->datacode = $this->getByteStream($this->items); + if (is_null($this->datacode)) { + return NULL; + } + $spec = $this->getEccSpec($this->version, $this->level, $spec); + $this->b1 = $this->rsBlockNum1($spec); + $this->dataLength = $this->rsDataLength($spec); + $this->eccLength = $this->rsEccLength($spec); + $this->ecccode = array_fill(0, $this->eccLength, 0); + $this->blocks = $this->rsBlockNum($spec); + $ret = $this->init($spec); + if ($ret < 0) { + return NULL; + } + $this->count = 0; + $this->width = $this->getWidth($this->version); + $this->frame = $this->newFrame($this->version); + $this->x = $this->width - 1; + $this->y = $this->width - 1; + $this->dir = -1; + $this->bit = -1; + // inteleaved data and ecc codes + for ($i=0; $i < ($this->dataLength + $this->eccLength); $i++) { + $code = $this->getCode(); + $bit = 0x80; + for ($j=0; $j<8; $j++) { + $addr = $this->getNextPosition(); + $this->setFrameAt($addr, 0x02 | (($bit & $code) != 0)); + $bit = $bit >> 1; + } + } + // remainder bits + $j = $this->getRemainder($this->version); + for ($i=0; $i<$j; $i++) { + $addr = $this->getNextPosition(); + $this->setFrameAt($addr, 0x02); + } + // masking + $this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0); + if ($mask < 0) { + if (QR_FIND_BEST_MASK) { + $masked = $this->mask($this->width, $this->frame, $this->level); + } else { + $masked = $this->makeMask($this->width, $this->frame, (intval(QR_DEFAULT_MASK) % 8), $this->level); + } + } else { + $masked = $this->makeMask($this->width, $this->frame, $mask, $this->level); + } + if ($masked == NULL) { + return NULL; + } + $this->data = $masked; + } + + // - - - - - - - - - - - - - - - - - - - - - - - - - + + // FrameFiller + + /** + * Set frame value at specified position + * @param $at (array) x,y position + * @param $val (int) value of the character to set + */ + protected function setFrameAt($at, $val) { + $this->frame[$at['y']][$at['x']] = chr($val); + } + + /** + * Get frame value at specified position + * @param $at (array) x,y position + * @return value at specified position + */ + protected function getFrameAt($at) { + return ord($this->frame[$at['y']][$at['x']]); + } + + /** + * Return the next frame position + * @return array of x,y coordinates + */ + protected function getNextPosition() { + do { + if ($this->bit == -1) { + $this->bit = 0; + return array('x'=>$this->x, 'y'=>$this->y); + } + $x = $this->x; + $y = $this->y; + $w = $this->width; + if ($this->bit == 0) { + $x--; + $this->bit++; + } else { + $x++; + $y += $this->dir; + $this->bit--; + } + if ($this->dir < 0) { + if ($y < 0) { + $y = 0; + $x -= 2; + $this->dir = 1; + if ($x == 6) { + $x--; + $y = 9; + } + } + } else { + if ($y == $w) { + $y = $w - 1; + $x -= 2; + $this->dir = -1; + if ($x == 6) { + $x--; + $y -= 8; + } + } + } + if (($x < 0) OR ($y < 0)) { + return NULL; + } + $this->x = $x; + $this->y = $y; + } while(ord($this->frame[$y][$x]) & 0x80); + return array('x'=>$x, 'y'=>$y); + } + + // - - - - - - - - - - - - - - - - - - - - - - - - - + + // QRrawcode + + /** + * Initialize code. + * @param $spec (array) array of ECC specification + * @return 0 in case of success, -1 in case of error + */ + protected function init($spec) { + $dl = $this->rsDataCodes1($spec); + $el = $this->rsEccCodes1($spec); + $rs = $this->init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el); + $blockNo = 0; + $dataPos = 0; + $eccPos = 0; + $endfor = $this->rsBlockNum1($spec); + for ($i=0; $i < $endfor; ++$i) { + $ecc = array_slice($this->ecccode, $eccPos); + $this->rsblocks[$blockNo] = array(); + $this->rsblocks[$blockNo]['dataLength'] = $dl; + $this->rsblocks[$blockNo]['data'] = array_slice($this->datacode, $dataPos); + $this->rsblocks[$blockNo]['eccLength'] = $el; + $ecc = $this->encode_rs_char($rs, $this->rsblocks[$blockNo]['data'], $ecc); + $this->rsblocks[$blockNo]['ecc'] = $ecc; + $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc); + $dataPos += $dl; + $eccPos += $el; + $blockNo++; + } + if ($this->rsBlockNum2($spec) == 0) { + return 0; + } + $dl = $this->rsDataCodes2($spec); + $el = $this->rsEccCodes2($spec); + $rs = $this->init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el); + if ($rs == NULL) { + return -1; + } + $endfor = $this->rsBlockNum2($spec); + for ($i=0; $i < $endfor; ++$i) { + $ecc = array_slice($this->ecccode, $eccPos); + $this->rsblocks[$blockNo] = array(); + $this->rsblocks[$blockNo]['dataLength'] = $dl; + $this->rsblocks[$blockNo]['data'] = array_slice($this->datacode, $dataPos); + $this->rsblocks[$blockNo]['eccLength'] = $el; + $ecc = $this->encode_rs_char($rs, $this->rsblocks[$blockNo]['data'], $ecc); + $this->rsblocks[$blockNo]['ecc'] = $ecc; + $this->ecccode = array_merge(array_slice($this->ecccode, 0, $eccPos), $ecc); + $dataPos += $dl; + $eccPos += $el; + $blockNo++; + } + return 0; + } + + /** + * Return Reed-Solomon block code. + * @return array rsblocks + */ + protected function getCode() { + if ($this->count < $this->dataLength) { + $row = $this->count % $this->blocks; + $col = $this->count / $this->blocks; + if ($col >= $this->rsblocks[0]['dataLength']) { + $row += $this->b1; + } + $ret = $this->rsblocks[$row]['data'][$col]; + } elseif ($this->count < $this->dat