From 70975dda4ae5237914b510ee61559fc8233ab34d Mon Sep 17 00:00:00 2001 From: redmatrix Date: Thu, 25 Jun 2015 19:05:49 -0700 Subject: remove all QR-code stuff from core - now in qrator addon --- library/phpqrcode/bindings/tcpdf/qrcode.php | 2875 --------------------------- 1 file changed, 2875 deletions(-) delete mode 100644 library/phpqrcode/bindings/tcpdf/qrcode.php (limited to 'library/phpqrcode/bindings/tcpdf') diff --git a/library/phpqrcode/bindings/tcpdf/qrcode.php b/library/phpqrcode/bindings/tcpdf/qrcode.php deleted file mode 100644 index 7995460b5..000000000 --- a/library/phpqrcode/bindings/tcpdf/qrcode.php +++ /dev/null @@ -1,2875 +0,0 @@ - -// 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 -// --------------------------------------------------------- -// -// Author: Nicola Asuni -// -// (c) Copyright 2010: -// Nicola Asuni -// Tecnick.com S.r.l. -// Via della Pace, 11 -// 09044 Quartucciu (CA) -// ITALY -// www.tecnick.com -// info@tecnick.com -//============================================================+ - -/** - * 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 - * @abstract Class for generating QR-code array for TCPDF. - * @author Nicola Asuni - * @copyright 2010 Nicola Asuni - Tecnick.com S.r.l (www.tecnick.com) Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com - * @link http://www.tcpdf.org - * @license http://www.gnu.org/copyleft/lesser.html LGPL - * @version 1.0.002 - */ - -// 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 - -// #*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*# - -if (!class_exists('QRcode', false)) { - - // for compaibility with PHP4 - if (!function_exists('str_split')) { - /** - * Convert a string to an array (needed for PHP4 compatibility) - * @param string $string The input string. - * @param int $split_length Maximum length of the chunk. - * @return If the optional split_length parameter is specified, the returned array will be broken down into chunks with each being split_length in length, otherwise each chunk will be one character in length. FALSE is returned if split_length is less than 1. If the split_length length exceeds the length of string , the entire string is returned as the first (and only) array element. - */ - function str_split($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 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. - * - * @name QRcode - * @package com.tecnick.tcpdf - * @abstract Class for generating QR-code array for TCPDF. - * @author Nicola Asuni - * @copyright 2010 Nicola Asuni - Tecnick.com S.r.l (www.tecnick.com) Via Della Pace, 11 - 09044 - Quartucciu (CA) - ITALY - www.tecnick.com - info@tecnick.com - * @link http://www.tcpdf.org - * @license http://www.gnu.org/copyleft/lesser.html LGPL - * @version 1.0.002 - */ - class QRcode { - - /** - * @var barcode array to be returned which is readable by TCPDF - * @access protected - */ - protected $barcode_array = array(); - - /** - * @var 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. - * @access protected - */ - protected $version = 0; - - /** - * @var Levels of error correction. See definitions for possible values. - * @access protected - */ - protected $level = QR_ECLEVEL_L; - - /** - * @var Encoding mode - * @access protected - */ - protected $hint = QR_MODE_8B; - - /** - * @var if true the input string will be converted to uppercase - * @access protected - */ - protected $casesensitive = true; - - /** - * @var structured QR code (not supported yet) - * @access protected - */ - protected $structured = 0; - - /** - * @var mask data - * @access protected - */ - protected $data; - - // FrameFiller - - /** - * @var width - * @access protected - */ - protected $width; - - /** - * @var frame - * @access protected - */ - protected $frame; - - /** - * @var X position of bit - * @access protected - */ - protected $x; - - /** - * @var Y position of bit - * @access protected - */ - protected $y; - - /** - * @var direction - * @access protected - */ - protected $dir; - - /** - * @var single bit - * @access protected - */ - protected $bit; - - // ---- QRrawcode ---- - - /** - * @var data code - * @access protected - */ - protected $datacode = array(); - - /** - * @var error correction code - * @access protected - */ - protected $ecccode = array(); - - /** - * @var blocks - * @access protected - */ - protected $blocks; - - /** - * @var Reed-Solomon blocks - * @access protected - */ - protected $rsblocks = array(); //of RSblock - - /** - * @var counter - * @access protected - */ - protected $count; - - /** - * @var data length - * @access protected - */ - protected $dataLength; - - /** - * @var error correction length - * @access protected - */ - protected $eccLength; - - /** - * @var b1 - * @access protected - */ - protected $b1; - - // ---- QRmask ---- - - /** - * @var run length - * @access protected - */ - protected $runLength = array(); - - // ---- QRsplit ---- - - /** - * @var input data string - * @access protected - */ - protected $dataStr = ''; - - /** - * @var input items - * @access protected - */ - protected $items; - - // Reed-Solomon items - - /** - * @var Reed-Solomon items - * @access protected - */ - protected $rsitems = array(); - - /** - * @var array of frames - * @access protected - */ - protected $frames = array(); - - /** - * @var alphabet-numeric convesion table - * @access 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 // - ); - - /** - * @var array Table of the capacity of symbols - * See Table 1 (pp.13) and Table 12-16 (pp.30-36), JIS X0510:2004. - * @access 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 - ); - - /** - * @var array Length indicator - * @access protected - */ - protected $lengthTableBits = array( - array(10, 12, 14), - array( 9, 11, 13), - array( 8, 16, 16), - array( 8, 10, 12) - ); - - /** - * @var array Table of the error correction code (Reed-Solomon block) - * See Table 12-16 (pp.30-36), JIS X0510:2004. - * @access 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 - ); - - /** - * @var 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. - * @access 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 - ); - - /** - * @var array Version information pattern (BCH coded). - * See Table 1 in Appendix D (pp.68) of JIS X0510:2004. - * size: [QRSPEC_VERSION_MAX - 6] - * @access 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 - ); - - /** - * @var array Format information - * @access 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 string $code code to represent using QRcode - * @param string $eclevel error level: - * @access public - * @since 1.0.000 - */ - public function __construct($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); - $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; - * @access public - */ - public function getBarcodeArray() { - return $this->barcode_array; - } - - /** - * Convert the frame in binary form - * @param array $frame array to binarize - * @return array frame in binary form - */ - protected function binarize($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 int $mask masking mode - */ - protected function encodeMask($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 array $at x,y position - * @param int $val value of the character to set - */ - protected function setFrameAt($at, $val) { - $this->frame[$at['y']][$at['x']] = chr($val); - } - - /** - * Get frame value at specified position - * @param array $at x,y position - * @return value at specified position - */ - protected function getFrameAt($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 array $spec array of ECC specification - * @return 0 in case of success, -1 in case of error - */ - protected function init($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->dataLength + $this->eccLength) { - $row = ($this->count - $this->dataLength) % $this->blocks; - $col = ($this->count - $this->dataLength) / $this->blocks; - $ret = $this->rsblocks[$row]['ecc'][$col]; - } else { - return 0; - } - $this->count++; - return $ret; - } - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - // QRmask - - /** - * Write Format Information on frame and returns the number of black bits - * @param int $width frame width - * @param array $frame frame - * @param array $mask masking mode - * @param int $level error correction level - * @return int blacks - */ - protected function writeFormatInformation($width, &$frame, $mask, $level) { - $blacks = 0; - $format = $this->getFormatInfo($mask, $level); - for ($i=0; $i<8; ++$i) { - if ($format & 1) { - $blacks += 2; - $v = 0x85; - } else { - $v = 0x84; - } - $frame[8][$width - 1 - $i] = chr($v); - if ($i < 6) { - $frame[$i][8] = chr($v); - } else { - $frame[$i + 1][8] = chr($v); - } - $format = $format >> 1; - } - for ($i=0; $i<7; ++$i) { - if ($format & 1) { - $blacks += 2; - $v = 0x85; - } else { - $v = 0x84; - } - $frame[$width - 7 + $i][8] = chr($v); - if ($i == 0) { - $frame[8][7] = chr($v); - } else { - $frame[8][6 - $i] = chr($v); - } - $format = $format >> 1; - } - return $blacks; - } - - /** - * mask0 - * @param int $x X position - * @param int $y Y position - * @return int mask - */ - protected function mask0($x, $y) { - return ($x + $y) & 1; - } - - /** - * mask1 - * @param int $x X position - * @param int $y Y position - * @return int mask - */ - protected function mask1($x, $y) { - return ($y & 1); - } - - /** - * mask2 - * @param int $x X position - * @param int $y Y position - * @return int mask - */ - protected function mask2($x, $y) { - return ($x % 3); - } - - /** - * mask3 - * @param int $x X position - * @param int $y Y position - * @return int mask - */ - protected function mask3($x, $y) { - return ($x + $y) % 3; - } - - /** - * mask4 - * @param int $x X position - * @param int $y Y position - * @return int mask - */ - protected function mask4($x, $y) { - return (((int)($y / 2)) + ((int)($x / 3))) & 1; - } - - /** - * mask5 - * @param int $x X position - * @param int $y Y position - * @return int mask - */ - protected function mask5($x, $y) { - return (($x * $y) & 1) + ($x * $y) % 3; - } - - /** - * mask6 - * @param int $x X position - * @param int $y Y position - * @return int mask - */ - protected function mask6($x, $y) { - return ((($x * $y) & 1) + ($x * $y) % 3) & 1; - } - - /** - * mask7 - * @param int $x X position - * @param int $y Y position - * @return int mask - */ - protected function mask7($x, $y) { - return ((($x * $y) % 3) + (($x + $y) & 1)) & 1; - } - - /** - * Return bitmask - * @param int $maskNo mask number - * @param int $width width - * @param array $frame frame - * @return array bitmask - */ - protected function generateMaskNo($maskNo, $width, $frame) { - $bitMask = array_fill(0, $width, array_fill(0, $width, 0)); - for ($y=0; $y<$width; ++$y) { - for ($x=0; $x<$width; ++$x) { - if (ord($frame[$y][$x]) & 0x80) { - $bitMask[$y][$x] = 0; - } else { - $maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y); - $bitMask[$y][$x] = ($maskFunc == 0)?1:0; - } - } - } - return $bitMask; - } - - /** - * makeMaskNo - * @param int $maskNo - * @param int $width - * @param int $s - * @param int $d - * @param boolean $maskGenOnly - * @return int b - */ - protected function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly=false) { - $b = 0; - $bitMask = array(); - $bitMask = $this->generateMaskNo($maskNo, $width, $s, $d); - if ($maskGenOnly) { - return; - } - $d = $s; - for ($y=0; $y<$width; ++$y) { - for ($x=0; $x<$width; ++$x) { - if ($bitMask[$y][$x] == 1) { - $d[$y][$x] = chr(ord($s[$y][$x]) ^ (int)$bitMask[$y][$x]); - } - $b += (int)(ord($d[$y][$x]) & 1); - } - } - return $b; - } - - /** - * makeMask - * @param int $width - * @param array $frame - * @param int $maskNo - * @param int $level - * @return array mask - */ - protected function makeMask($width, $frame, $maskNo, $level) { - $masked = array_fill(0, $width, str_repeat("\0", $width)); - $this->makeMaskNo($maskNo, $width, $frame, $masked); - $this->writeFormatInformation($width, $masked, $maskNo, $level); - return $masked; - } - - /** - * calcN1N3 - * @param int $length - * @return int demerit - */ - protected function calcN1N3($length) { - $demerit = 0; - for ($i=0; $i<$length; ++$i) { - if ($this->runLength[$i] >= 5) { - $demerit += (N1 + ($this->runLength[$i] - 5)); - } - if ($i & 1) { - if (($i >= 3) AND ($i < ($length-2)) AND ($this->runLength[$i] % 3 == 0)) { - $fact = (int)($this->runLength[$i] / 3); - if (($this->runLength[$i-2] == $fact) - AND ($this->runLength[$i-1] == $fact) - AND ($this->runLength[$i+1] == $fact) - AND ($this->runLength[$i+2] == $fact)) { - if (($this->runLength[$i-3] < 0) OR ($this->runLength[$i-3] >= (4 * $fact))) { - $demerit += N3; - } elseif ((($i+3) >= $length) OR ($this->runLength[$i+3] >= (4 * $fact))) { - $demerit += N3; - } - } - } - } - } - return $demerit; - } - - /** - * evaluateSymbol - * @param int $width - * @param array $frame - * @return int demerit - */ - protected function evaluateSymbol($width, $frame) { - $head = 0; - $demerit = 0; - for ($y=0; $y<$width; ++$y) { - $head = 0; - $this->runLength[0] = 1; - $frameY = $frame[$y]; - if ($y > 0) { - $frameYM = $frame[$y-1]; - } - for ($x=0; $x<$width; ++$x) { - if (($x > 0) AND ($y > 0)) { - $b22 = ord($frameY[$x]) & ord($frameY[$x-1]) & ord($frameYM[$x]) & ord($frameYM[$x-1]); - $w22 = ord($frameY[$x]) | ord($frameY[$x-1]) | ord($frameYM[$x]) | ord($frameYM[$x-1]); - if (($b22 | ($w22 ^ 1)) & 1) { - $demerit += N2; - } - } - if (($x == 0) AND (ord($frameY[$x]) & 1)) { - $this->runLength[0] = -1; - $head = 1; - $this->runLength[$head] = 1; - } elseif ($x > 0) { - if ((ord($frameY[$x]) ^ ord($frameY[$x-1])) & 1) { - $head++; - $this->runLength[$head] = 1; - } else { - $this->runLength[$head]++; - } - } - } - $demerit += $this->calcN1N3($head+1); - } - for ($x=0; $x<$width; ++$x) { - $head = 0; - $this->runLength[0] = 1; - for ($y=0; $y<$width; ++$y) { - if (($y == 0) AND (ord($frame[$y][$x]) & 1)) { - $this->runLength[0] = -1; - $head = 1; - $this->runLength[$head] = 1; - } elseif ($y > 0) { - if ((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) { - $head++; - $this->runLength[$head] = 1; - } else { - $this->runLength[$head]++; - } - } - } - $demerit += $this->calcN1N3($head+1); - } - return $demerit; - } - - /** - * mask - * @param int $width - * @param array $frame - * @param int $level - * @return array best mask - */ - protected function mask($width, $frame, $level) { - $minDemerit = PHP_INT_MAX; - $bestMaskNum = 0; - $bestMask = array(); - $checked_masks = array(0, 1, 2, 3, 4, 5, 6, 7); - if (QR_FIND_FROM_RANDOM !== false) { - $howManuOut = 8 - (QR_FIND_FROM_RANDOM % 9); - for ($i = 0; $i < $howManuOut; ++$i) { - $remPos = rand (0, count($checked_masks)-1); - unset($checked_masks[$remPos]); - $checked_masks = array_values($checked_masks); - } - } - $bestMask = $frame; - foreach ($checked_masks as $i) { - $mask = array_fill(0, $width, str_repeat("\0", $width)); - $demerit = 0; - $blacks = 0; - $blacks = $this->makeMaskNo($i, $width, $frame, $mask); - $blacks += $this->writeFormatInformation($width, $mask, $i, $level); - $blacks = (int)(100 * $blacks / ($width * $width)); - $demerit = (int)((int)(abs($blacks - 50) / 5) * N4); - $demerit += $this->evaluateSymbol($width, $mask); - if ($demerit < $minDemerit) { - $minDemerit = $demerit; - $bestMask = $mask; - $bestMaskNum = $i; - } - } - return $bestMask; - } - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - // QRsplit - - /** - * Return true if the character at specified position is a number - * @param string $str string - * @param int $pos characted position - * @return boolean true of false - */ - protected function isdigitat($str, $pos) { - if ($pos >= strlen($str)) { - return false; - } - return ((ord($str[$pos]) >= ord('0'))&&(ord($str[$pos]) <= ord('9'))); - } - - /** - * Return true if the character at specified position is an alphanumeric character - * @param string $str string - * @param int $pos characted position - * @return boolean true of false - */ - protected function isalnumat($str, $pos) { - if ($pos >= strlen($str)) { - return false; - } - return ($this->lookAnTable(ord($str[$pos])) >= 0); - } - - /** - * identifyMode - * @param int $pos - * @return int mode - */ - protected function identifyMode($pos) { - if ($pos >= strlen($this->dataStr)) { - return QR_MODE_NL; - } - $c = $this->dataStr[$pos]; - if ($this->isdigitat($this->dataStr, $pos)) { - return QR_MODE_NM; - } elseif ($this->isalnumat($this->dataStr, $pos)) { - return QR_MODE_AN; - } elseif ($this->hint == QR_MODE_KJ) { - if ($pos+1 < strlen($this->dataStr)) { - $d = $this->dataStr[$pos+1]; - $word = (ord($c) << 8) | ord($d); - if (($word >= 0x8140 && $word <= 0x9ffc) OR ($word >= 0xe040 && $word <= 0xebbf)) { - return QR_MODE_KJ; - } - } - } - return QR_MODE_8B; - } - - /** - * eatNum - * @return int run - */ - protected function eatNum() { - $ln = $this->lengthIndicator(QR_MODE_NM, $this->version); - $p = 0; - while($this->isdigitat($this->dataStr, $p)) { - $p++; - } - $run = $p; - $mode = $this->identifyMode($p); - if ($mode == QR_MODE_8B) { - $dif = $this->estimateBitsModeNum($run) + 4 + $ln - + $this->estimateBitsMode8(1) // + 4 + l8 - - $this->estimateBitsMode8($run + 1); // - 4 - l8 - if ($dif > 0) { - return $this->eat8(); - } - } - if ($mode == QR_MODE_AN) { - $dif = $this->estimateBitsModeNum($run) + 4 + $ln - + $this->estimateBitsModeAn(1) // + 4 + la - - $this->estimateBitsModeAn($run + 1);// - 4 - la - if ($dif > 0) { - return $this->eatAn(); - } - } - $this->items = $this->appendNewInputItem($this->items, QR_MODE_NM, $run, str_split($this->dataStr)); - return $run; - } - - /** - * eatAn - * @return int run - */ - protected function eatAn() { - $la = $this->lengthIndicator(QR_MODE_AN, $this->version); - $ln = $this->lengthIndicator(QR_MODE_NM, $this->version); - $p = 0; - while($this->isalnumat($this->dataStr, $p)) { - if ($this->isdigitat($this->dataStr, $p)) { - $q = $p; - while($this->isdigitat($this->dataStr, $q)) { - $q++; - } - $dif = $this->estimateBitsModeAn($p) // + 4 + la - + $this->estimateBitsModeNum($q - $p) + 4 + $ln - - $this->estimateBitsModeAn($q); // - 4 - la - if ($dif < 0) { - break; - } else { - $p = $q; - } - } else { - $p++; - } - } - $run = $p; - if (!$this->isalnumat($this->dataStr, $p)) { - $dif = $this->estimateBitsModeAn($run) + 4 + $la - + $this->estimateBitsMode8(1) // + 4 + l8 - - $this->estimateBitsMode8($run + 1); // - 4 - l8 - if ($dif > 0) { - return $this->eat8(); - } - } - $this->items = $this->appendNewInputItem($this->items, QR_MODE_AN, $run, str_split($this->dataStr)); - return $run; - } - - /** - * eatKanji - * @return int run - */ - protected function eatKanji() { - $p = 0; - while($this->identifyMode($p) == QR_MODE_KJ) { - $p += 2; - } - $this->items = $this->appendNewInputItem($this->items, QR_MODE_KJ, $p, str_split($this->dataStr)); - return $run; - } - - /** - * eat8 - * @return int run - */ - protected function eat8() { - $la = $this->lengthIndicator(QR_MODE_AN, $this->version); - $ln = $this->lengthIndicator(QR_MODE_NM, $this->version); - $p = 1; - $dataStrLen = strlen($this->dataStr); - while($p < $dataStrLen) { - $mode = $this->identifyMode($p); - if ($mode == QR_MODE_KJ) { - break; - } - if ($mode == QR_MODE_NM) { - $q = $p; - while($this->isdigitat($this->dataStr, $q)) { - $q++; - } - $dif = $this->estimateBitsMode8($p) // + 4 + l8 - + $this->estimateBitsModeNum($q - $p) + 4 + $ln - - $this->estimateBitsMode8($q); // - 4 - l8 - if ($dif < 0) { - break; - } else { - $p = $q; - } - } elseif ($mode == QR_MODE_AN) { - $q = $p; - while($this->isalnumat($this->dataStr, $q)) { - $q++; - } - $dif = $this->estimateBitsMode8($p) // + 4 + l8 - + $this->estimateBitsModeAn($q - $p) + 4 + $la - - $this->estimateBitsMode8($q); // - 4 - l8 - if ($dif < 0) { - break; - } else { - $p = $q; - } - } else { - $p++; - } - } - $run = $p; - $this->items = $this->appendNewInputItem($this->items, QR_MODE_8B, $run, str_split($this->dataStr)); - return $run; - } - - /** - * splitString - */ - protected function splitString() { - while (strlen($this->dataStr) > 0) { - if ($this->dataStr == '') { - return 0; - } - $mode = $this->identifyMode(0); - switch ($mode) { - case QR_MODE_NM: { - $length = $this->eatNum(); - break; - } - case QR_MODE_AN: { - $length = $this->eatAn(); - break; - } - case QR_MODE_KJ: { - if ($hint == QR_MODE_KJ) { - $length = $this->eatKanji(); - } else { - $length = $this->eat8(); - } - break; - } - default: { - $length = $this->eat8(); - break; - } - } - if ($length == 0) { - return 0; - } - if ($length < 0) { - return -1; - } - $this->dataStr = substr($this->dataStr, $length); - } - } - - /** - * toUpper - */ - protected function toUpper() { - $stringLen = strlen($this->dataStr); - $p = 0; - while ($p < $stringLen) { - $mode = $this->identifyMode(substr($this->dataStr, $p), $this->hint); - if ($mode == QR_MODE_KJ) { - $p += 2; - } else { - if ((ord($this->dataStr[$p]) >= ord('a')) AND (ord($this->dataStr[$p]) <= ord('z'))) { - $this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32); - } - $p++; - } - } - return $this->dataStr; - } - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - // QRinputItem - - /** - * newInputItem - * @param int $mode - * @param int $size - * @param array $data - * @param array $bstream - * @return array input item - */ - protected function newInputItem($mode, $size, $data, $bstream=null) { - $setData = array_slice($data, 0, $size); - if (count($setData) < $size) { - $setData = array_merge($setData, array_fill(0, ($size - count($setData)), 0)); - } - if (!$this->check($mode, $size, $setData)) { - return NULL; - } - $inputitem = array(); - $inputitem['mode'] = $mode; - $inputitem['size'] = $size; - $inputitem['data'] = $setData; - $inputitem['bstream'] = $bstream; - return $inputitem; - } - - /** - * encodeModeNum - * @param array $inputitem - * @param int $version - * @return array input item - */ - protected function encodeModeNum($inputitem, $version) { - $words = (int)($inputitem['size'] / 3); - $inputitem['bstream'] = array(); - $val = 0x1; - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, $val); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], $this->lengthIndicator(QR_MODE_NM, $version), $inputitem['size']); - for ($i=0; $i < $words; ++$i) { - $val = (ord($inputitem['data'][$i*3 ]) - ord('0')) * 100; - $val += (ord($inputitem['data'][$i*3+1]) - ord('0')) * 10; - $val += (ord($inputitem['data'][$i*3+2]) - ord('0')); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 10, $val); - } - if ($inputitem['size'] - $words * 3 == 1) { - $val = ord($inputitem['data'][$words*3]) - ord('0'); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, $val); - } elseif (($inputitem['size'] - ($words * 3)) == 2) { - $val = (ord($inputitem['data'][$words*3 ]) - ord('0')) * 10; - $val += (ord($inputitem['data'][$words*3+1]) - ord('0')); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 7, $val); - } - return $inputitem; - } - - /** - * encodeModeAn - * @param array $inputitem - * @param int $version - * @return array input item - */ - protected function encodeModeAn($inputitem, $version) { - $words = (int)($inputitem['size'] / 2); - $inputitem['bstream'] = array(); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, 0x02); - $inputitem['bstream'] = $this->appendNum(v, $this->lengthIndicator(QR_MODE_AN, $version), $inputitem['size']); - for ($i=0; $i < $words; ++$i) { - $val = (int)$this->lookAnTable(ord($inputitem['data'][$i*2 ])) * 45; - $val += (int)$this->lookAnTable(ord($inputitem['data'][$i*2+1])); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 11, $val); - } - if ($inputitem['size'] & 1) { - $val = $this->lookAnTable(ord($inputitem['data'][($words * 2)])); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 6, $val); - } - return $inputitem; - } - - /** - * encodeMode8 - * @param array $inputitem - * @param int $version - * @return array input item - */ - protected function encodeMode8($inputitem, $version) { - $inputitem['bstream'] = array(); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, 0x4); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], $this->lengthIndicator(QR_MODE_8B, $version), $inputitem['size']); - for ($i=0; $i < $inputitem['size']; ++$i) { - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 8, ord($inputitem['data'][$i])); - } - return $inputitem; - } - - /** - * encodeModeKanji - * @param array $inputitem - * @param int $version - * @return array input item - */ - protected function encodeModeKanji($inputitem, $version) { - $inputitem['bstream'] = array(); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, 0x8); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], $this->lengthIndicator(QR_MODE_KJ, $version), (int)($inputitem['size'] / 2)); - for ($i=0; $i<$inputitem['size']; $i+=2) { - $val = (ord($inputitem['data'][$i]) << 8) | ord($inputitem['data'][$i+1]); - if ($val <= 0x9ffc) { - $val -= 0x8140; - } else { - $val -= 0xc140; - } - $h = ($val >> 8) * 0xc0; - $val = ($val & 0xff) + $h; - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 13, $val); - } - return $inputitem; - } - - /** - * encodeModeStructure - * @param array $inputitem - * @return array input item - */ - protected function encodeModeStructure($inputitem) { - $inputitem['bstream'] = array(); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, 0x03); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, ord($inputitem['data'][1]) - 1); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 4, ord($inputitem['data'][0]) - 1); - $inputitem['bstream'] = $this->appendNum($inputitem['bstream'], 8, ord($inputitem['data'][2])); - return $inputitem; - } - - /** - * encodeBitStream - * @param array $inputitem - * @param int $version - * @return array input item - */ - protected function encodeBitStream($inputitem, $version) { - $inputitem['bstream'] = array(); - $words = $this->maximumWords($inputitem['mode'], $version); - if ($inputitem['size'] > $words) { - $st1 = $this->newInputItem($inputitem['mode'], $words, $inputitem['data']); - $st2 = $this->newInputItem($inputitem['mode'], $inputitem['size'] - $words, array_slice($inputitem['data'], $words)); - $st1 = $this->encodeBitStream($st1, $version); - $st2 = $this->encodeBitStream($st2, $version); - $inputitem['bstream'] = array(); - $inputitem['bstream'] = $this->appendBitstream($inputitem['bstream'], $st1['bstream']); - $inputitem['bstream'] = $this->appendBitstream($inputitem['bstream'], $st2['bstream']); - } else { - switch($inputitem['mode']) { - case QR_MODE_NM: { - $inputitem = $this->encodeModeNum($inputitem, $version); - break; - } - case QR_MODE_AN: { - $inputitem = $this->encodeModeAn($inputitem, $version); - break; - } - case QR_MODE_8B: { - $inputitem = $this->encodeMode8($inputitem, $version); - break; - } - case QR_MODE_KJ: { - $inputitem = $this->encodeModeKanji($inputitem, $version); - break; - } - case QR_MODE_ST: { - $inputitem = $this->encodeModeStructure($inputitem); - break; - } - default: { - break; - } - } - } - return $inputitem; - } - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - // QRinput - - /** - * Append data to an input object. - * The data is copied and appended to the input object. - * @param array items input items - * @param int $mode encoding mode. - * @param int $size size of data (byte). - * @param array $data array of input data. - * @return items - * - */ - protected function appendNewInputItem($items, $mode, $size, $data) { - $items[] = $this->newInputItem($mode, $size, $data); - return $items; - } - - /** - * insertStructuredAppendHeader - * @param array $items - * @param int $size - * @param int $index - * @param int $parity - * @return array items - */ - protected function insertStructuredAppendHeader($items, $size, $index, $parity) { - if ($size > MAX_STRUCTURED_SYMBOLS) { - return -1; - } - if (($index <= 0) OR ($index > MAX_STRUCTURED_SYMBOLS)) { - return -1; - } - $buf = array($size, $index, $parity); - $entry = $this->newInputItem(QR_MODE_ST, 3, buf); - array_unshift($items, $entry); - return $items; - } - - /** - * calcParity - * @param array $items - * @return int parity - */ - protected function calcParity($items) { - $parity = 0; - foreach ($items as $item) { - if ($item['mode'] != QR_MODE_ST) { - for ($i=$item['size']-1; $i>=0; --$i) { - $parity ^= $item['data'][$i]; - } - } - } - return $parity; - } - - /** - * checkModeNum - * @param int $size - * @param array $data - * @return boolean true or false - */ - protected function checkModeNum($size, $data) { - for ($i=0; $i<$size; ++$i) { - if ((ord($data[$i]) < ord('0')) OR (ord($data[$i]) > ord('9'))){ - return false; - } - } - return true; - } - - /** - * estimateBitsModeNum - * @param int $size - * @return int number of bits - */ - protected function estimateBitsModeNum($size) { - $w = (int)$size / 3; - $bits = $w * 10; - switch($size - $w * 3) { - case 1: { - $bits += 4; - break; - } - case 2: { - $bits += 7; - break; - } - default: { - break; - } - } - return $bits; - } - - /** - * Look up the alphabet-numeric convesion table (see JIS X0510:2004, pp.19). - * @param int $c character value - * @return value - */ - protected function lookAnTable($c) { - return (($c > 127)?-1:$this->anTable[$c]); - } - - /** - * checkModeAn - * @param int $size - * @param array $data - * @return boolean true or false - */ - protected function checkModeAn($size, $data) { - for ($i=0; $i<$size; ++$i) { - if ($this->lookAnTable(ord($data[$i])) == -1) { - return false; - } - } - return true; - } - - /** - * estimateBitsModeAn - * @param int $size - * @return int number of bits - */ - protected function estimateBitsModeAn($size) { - $w = (int)($size / 2); - $bits = $w * 11; - if ($size & 1) { - $bits += 6; - } - return $bits; - } - - /** - * estimateBitsMode8 - * @param int $size - * @return int number of bits - */ - protected function estimateBitsMode8($size) { - return $size * 8; - } - - /** - * estimateBitsModeKanji - * @param int $size - * @return int number of bits - */ - protected function estimateBitsModeKanji($size) { - return (int)(($size / 2) * 13); - } - - /** - * checkModeKanji - * @param int $size - * @param array $data - * @return boolean true or false - */ - protected function checkModeKanji($size, $data) { - if ($size & 1) { - return false; - } - for ($i=0; $i<$size; $i+=2) { - $val = (ord($data[$i]) << 8) | ord($data[$i+1]); - if (($val < 0x8140) OR (($val > 0x9ffc) AND ($val < 0xe040)) OR ($val > 0xebbf)) { - return false; - } - } - return true; - } - - /** - * Validate the input data. - * @param int $mode encoding mode. - * @param int $size size of data (byte). - * @param array data data to validate - * @return boolean true in case of valid data, false otherwise - */ - protected function check($mode, $size, $data) { - if ($size <= 0) { - return false; - } - switch($mode) { - case QR_MODE_NM: { - return $this->checkModeNum($size, $data); - } - case QR_MODE_AN: { - return $this->checkModeAn($size, $data); - } - case QR_MODE_KJ: { - return $this->checkModeKanji($size, $data); - } - case QR_MODE_8B: { - return true; - } - case QR_MODE_ST: { - return true; - } - default: { - break; - } - } - return false; - } - - /** - * estimateBitStreamSize - * @param array $items - * @param int $version - * @return int bits - */ - protected function estimateBitStreamSize($items, $version) { - $bits = 0; - if ($version == 0) { - $version = 1; - } - foreach ($items as $item) { - switch($item['mode']) { - case QR_MODE_NM: { - $bits = $this->estimateBitsModeNum($item['size']); - break; - } - case QR_MODE_AN: { - $bits = $this->estimateBitsModeAn($item['size']); - break; - } - case QR_MODE_8B: { - $bits = $this->estimateBitsMode8($item['size']); - break; - } - case QR_MODE_KJ: { - $bits = $this->estimateBitsModeKanji($item['size']); - break; - } - case QR_MODE_ST: { - return STRUCTURE_HEADER_BITS; - } - default: { - return 0; - } - } - $l = $this->lengthIndicator($item['mode'], $version); - $m = 1 << $l; - $num = (int)(($item['size'] + $m - 1) / $m); - $bits += $num * (4 + $l); - } - return $bits; - } - - /** - * estimateVersion - * @param array $items - * @return int version - */ - protected function estimateVersion($items) { - $version = 0; - $prev = 0; - do { - $prev = $version; - $bits = $this->estimateBitStreamSize($items, $prev); - $version = $this->getMinimumVersion((int)(($bits + 7) / 8), $this->level); - if ($version < 0) { - return -1; - } - } while ($version > $prev); - return $version; - } - - /** - * lengthOfCode - * @param int $mode - * @param int $version - * @param int $bits - * @return int size - */ - protected function lengthOfCode($mode, $version, $bits) { - $payload = $bits - 4 - $this->lengthIndicator($mode, $version); - switch($mode) { - case QR_MODE_NM: { - $chunks = (int)($payload / 10); - $remain = $payload - $chunks * 10; - $size = $chunks * 3; - if ($remain >= 7) { - $size += 2; - } elseif ($remain >= 4) { - $size += 1; - } - break; - } - case QR_MODE_AN: { - $chunks = (int)($payload / 11); - $remain = $payload - $chunks * 11; - $size = $chunks * 2; - if ($remain >= 6) { - ++$size; - } - break; - } - case QR_MODE_8B: { - $size = (int)($payload / 8); - break; - } - case QR_MODE_KJ: { - $size = (int)(($payload / 13) * 2); - break; - } - case QR_MODE_ST: { - $size = (int)($payload / 8); - break; - } - default: { - $size = 0; - break; - } - } - $maxsize = $this->maximumWords($mode, $version); - if ($size < 0) { - $size = 0; - } - if ($size > $maxsize) { - $size = $maxsize; - } - return $size; - } - - /** - * createBitStream - * @param array $items - * @return array of items and total bits - */ - protected function createBitStream($items) { - $total = 0; - foreach ($items as $key => $item) { - $items[$key] = $this->encodeBitStream($item, $this->version); - $bits = count($items[$key]['bstream']); - $total += $bits; - } - return array($items, $total); - } - - /** - * convertData - * @param array $items - * @return array items - */ - protected function convertData($items) { - $ver = $this->estimateVersion($items); - if ($ver > $this->version) { - $this->version = $ver; - } - for (;;) { - $cbs = $this->createBitStream($items); - $items = $cbs[0]; - $bits = $cbs[1]; - if ($bits < 0) { - return -1; - } - $ver = $this->getMinimumVersion((int)(($bits + 7) / 8), $this->level); - if ($ver < 0) { - return -1; - } elseif ($ver > $this->version) { - $this->version = $ver; - } else { - break; - } - } - return $items; - } - - /** - * Append Padding Bit to bitstream - * @param array $bstream - * @return array bitstream - */ - protected function appendPaddingBit($bstream) { - $bits = count($bstream); - $maxwords = $this->getDataLength($this->version, $this->level); - $maxbits = $maxwords * 8; - if ($maxbits == $bits) { - return 0; - } - if ($maxbits - $bits < 5) { - return $this->appendNum($bstream, $maxbits - $bits, 0); - } - $bits += 4; - $words = (int)(($bits + 7) / 8); - $padding = array(); - $padding = $this->appendNum($padding, $words * 8 - $bits + 4, 0); - $padlen = $maxwords - $words; - if ($padlen > 0) { - $padbuf = array(); - for ($i=0; $i<$padlen; ++$i) { - $padbuf[$i] = ($i&1)?0x11:0xec; - } - $padding = $this->appendBytes($padding, $padlen, $padbuf); - } - return $this->appendBitstream($bstream, $padding); - } - - /** - * mergeBitStream - * @param array $bstream - * @return array bitstream - */ - protected function mergeBitStream($items) { - $items = $this->convertData($items); - $bstream = array(); - foreach ($items as $item) { - $bstream = $this->appendBitstream($bstream, $item['bstream']); - } - return $bstream; - } - - /** - * Returns a stream of bits. - * @param int $items - * @return array padded merged byte stream - */ - protected function getBitStream($items) { - $bstream = $this->mergeBitStream($items); - return $this->appendPaddingBit($bstream); - } - - /** - * Pack all bit streams padding bits into a byte array. - * @param int $items - * @return array padded merged byte stream - */ - protected function getByteStream($items) { - $bstream = $this->getBitStream($items); - return $this->bitstreamToByte($bstream); - } - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - // QRbitstream - - /** - * Return an array with zeros - * @param int $setLength array size - * @return array - */ - protected function allocate($setLength) { - return array_fill(0, $setLength, 0); - } - - /** - * Return new bitstream from number - * @param int $bits number of bits - * @param int $num number - * @return array bitstream - */ - protected function newFromNum($bits, $num) { - $bstream = $this->allocate($bits); - $mask = 1 << ($bits - 1); - for ($i=0; $i<$bits; ++$i) { - if ($num & $mask) { - $bstream[$i] = 1; - } else { - $bstream[$i] = 0; - } - $mask = $mask >> 1; - } - return $bstream; - } - - /** - * Return new bitstream from bytes - * @param int $size size - * @param array $data bytes - * @return array bitstream - */ - protected function newFromBytes($size, $data) { - $bstream = $this->allocate($size * 8); - $p=0; - for ($i=0; $i<$size; ++$i) { - $mask = 0x80; - for ($j=0; $j<8; ++$j) { - if ($data[$i] & $mask) { - $bstream[$p] = 1; - } else { - $bstream[$p] = 0; - } - $p++; - $mask = $mask >> 1; - } - } - return $bstream; - } - - /** - * Append one bitstream to another - * @param array $bitstream original bitstream - * @param array $append bitstream to append - * @return array bitstream - */ - protected function appendBitstream($bitstream, $append) { - if ((!is_array($append)) OR (count($append) == 0)) { - return $bitstream; - } - if (count($bitstream) == 0) { - return $append; - } - return array_values(array_merge($bitstream, $append)); - } - - /** - * Append one bitstream created from number to another - * @param array $bitstream original bitstream - * @param int $bits number of bits - * @param int $num number - * @return array bitstream - */ - protected function appendNum($bitstream, $bits, $num) { - if ($bits == 0) { - return 0; - } - $b = $this->newFromNum($bits, $num); - return $this->appendBitstream($bitstream, $b); - } - - /** - * Append one bitstream created from bytes to another - * @param array $bitstream original bitstream - * @param int $size size - * @param array $data bytes - * @return array bitstream - */ - protected function appendBytes($bitstream, $size, $data) { - if ($size == 0) { - return 0; - } - $b = $this->newFromBytes($size, $data); - return $this->appendBitstream($bitstream, $b); - } - - /** - * Convert bitstream to bytes - * @param array $bitstream original bitstream - * @return array of bytes - */ - protected function bitstreamToByte($bstream) { - $size = count($bstream); - if ($size == 0) { - return array(); - } - $data = array_fill(0, (int)(($size + 7) / 8), 0); - $bytes = (int)($size / 8); - $p = 0; - for ($i=0; $i<$bytes; $i++) { - $v = 0; - for ($j=0; $j<8; $j++) { - $v = $v << 1; - $v |= $bstream[$p]; - $p++; - } - $data[$i] = $v; - } - if ($size & 7) { - $v = 0; - for ($j=0; $j<($size & 7); $j++) { - $v = $v << 1; - $v |= $bstream[$p]; - $p++; - } - $data[$bytes] = $v; - } - return $data; - } - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - // QRspec - - /** - * Replace a value on the array at the specified position - * @param array $srctab - * @param int $x X position - * @param int $y Y position - * @param string $repl value to replace - * @param int $replLen length of the repl string - * @return array srctab - */ - protected function qrstrset($srctab, $x, $y, $repl, $replLen=false) { - $srctab[$y] = substr_replace($srctab[$y], ($replLen !== false)?substr($repl,0,$replLen):$repl, $x, ($replLen !== false)?$replLen:strlen($repl)); - return $srctab; - } - - /** - * Return maximum data code length (bytes) for the version. - * @param int $version version - * @param int $level error correction level - * @return int maximum size (bytes) - */ - protected function getDataLength($version, $level) { - return $this->capacity[$version][QRCAP_WORDS] - $this->capacity[$version][QRCAP_EC][$level]; - } - - /** - * Return maximum error correction code length (bytes) for the version. - * @param int $version version - * @param int $level error correction level - * @return int ECC size (bytes) - */ - protected function getECCLength($version, $level){ - return $this->capacity[$version][QRCAP_EC][$level]; - } - - /** - * Return the width of the symbol for the version. - * @param int $version version - * @return int width - */ - protected function getWidth($version) { - return $this->capacity[$version][QRCAP_WIDTH]; - } - - /** - * Return the numer of remainder bits. - * @param int $version version - * @return int number of remainder bits - */ - protected function getRemainder($version) { - return $this->capacity[$version][QRCAP_REMINDER]; - } - - /** - * Return a version number that satisfies the input code length. - * @param int $size input code length (byte) - * @param int $level error correction level - * @return int version number - */ - protected function getMinimumVersion($size, $level) { - for ($i=1; $i <= QRSPEC_VERSION_MAX; ++$i) { - $words = $this->capacity[$i][QRCAP_WORDS] - $this->capacity[$i][QRCAP_EC][$level]; - if ($words >= $size) { - return $i; - } - } - return -1; - } - - /** - * Return the size of length indicator for the mode and version. - * @param int $mode encoding mode - * @param int $version version - * @return int the size of the appropriate length indicator (bits). - */ - protected function lengthIndicator($mode, $version) { - if ($mode == QR_MODE_ST) { - return 0; - } - if ($version <= 9) { - $l = 0; - } elseif ($version <= 26) { - $l = 1; - } else { - $l = 2; - } - return $this->lengthTableBits[$mode][$l]; - } - - /** - * Return the maximum length for the mode and version. - * @param int $mode encoding mode - * @param int $version version - * @return int the maximum length (bytes) - */ - protected function maximumWords($mode, $version) { - if ($mode == QR_MODE_ST) { - return 3; - } - if ($version <= 9) { - $l = 0; - } else if ($version <= 26) { - $l = 1; - } else { - $l = 2; - } - $bits = $this->lengthTableBits[$mode][$l]; - $words = (1 << $bits) - 1; - if ($mode == QR_MODE_KJ) { - $words *= 2; // the number of bytes is required - } - return $words; - } - - /** - * Return an array of ECC specification. - * @param int $version version - * @param int $level error correction level - * @param array $spec an array of ECC specification contains as following: {# of type1 blocks, # of data code, # of ecc code, # of type2 blocks, # of data code} - * @return array spec - */ - protected function getEccSpec($version, $level, $spec) { - if (count($spec) < 5) { - $spec = array(0, 0, 0, 0, 0); - } - $b1 = $this->eccTable[$version][$level][0]; - $b2 = $this->eccTable[$version][$level][1]; - $data = $this->getDataLength($version, $level); - $ecc = $this->getECCLength($version, $level); - if ($b2 == 0) { - $spec[0] = $b1; - $spec[1] = (int)($data / $b1); - $spec[2] = (int)($ecc / $b1); - $spec[3] = 0; - $spec[4] = 0; - } else { - $spec[0] = $b1; - $spec[1] = (int)($data / ($b1 + $b2)); - $spec[2] = (int)($ecc / ($b1 + $b2)); - $spec[3] = $b2; - $spec[4] = $spec[1] + 1; - } - return $spec; - } - - /** - * Put an alignment marker. - * @param array $frame frame - * @param int $width width - * @param int $ox X center coordinate of the pattern - * @param int $oy Y center coordinate of the pattern - * @return array frame - */ - protected function putAlignmentMarker($frame, $ox, $oy) { - $finder = array( - "\xa1\xa1\xa1\xa1\xa1", - "\xa1\xa0\xa0\xa0\xa1", - "\xa1\xa0\xa1\xa0\xa1", - "\xa1\xa0\xa0\xa0\xa1", - "\xa1\xa1\xa1\xa1\xa1" - ); - $yStart = $oy - 2; - $xStart = $ox - 2; - for ($y=0; $y < 5; $y++) { - $frame = $this->qrstrset($frame, $xStart, $yStart+$y, $finder[$y]); - } - return $frame; - } - - /** - * Put an alignment pattern. - * @param int $version version - * @param array $fram frame - * @param int $width width - * @return array frame - */ - protected function putAlignmentPattern($version, $frame, $width) { - if ($version < 2) { - return $frame; - } - $d = $this->alignmentPattern[$version][1] - $this->alignmentPattern[$version][0]; - if ($d < 0) { - $w = 2; - } else { - $w = (int)(($width - $this->alignmentPattern[$version][0]) / $d + 2); - } - if ($w * $w - 3 == 1) { - $x = $this->alignmentPattern[$version][0]; - $y = $this->alignmentPattern[$version][0]; - $frame = $this->putAlignmentMarker($frame, $x, $y); - return $frame; - } - $cx = $this->alignmentPattern[$version][0]; - $wo = $w - 1; - for ($x=1; $x < $wo; ++$x) { - $frame = $this->putAlignmentMarker($frame, 6, $cx); - $frame = $this->putAlignmentMarker($frame, $cx, 6); - $cx += $d; - } - $cy = $this->alignmentPattern[$version][0]; - for ($y=0; $y < $wo; ++$y) { - $cx = $this->alignmentPattern[$version][0]; - for ($x=0; $x < $wo; ++$x) { - $frame = $this->putAlignmentMarker($frame, $cx, $cy); - $cx += $d; - } - $cy += $d; - } - return $frame; - } - - /** - * Return BCH encoded version information pattern that is used for the symbol of version 7 or greater. Use lower 18 bits. - * @param int $version version - * @return BCH encoded version information pattern - */ - protected function getVersionPattern($version) { - if (($version < 7) OR ($version > QRSPEC_VERSION_MAX)) { - return 0; - } - return $this->versionPattern[($version - 7)]; - } - - /** - * Return BCH encoded format information pattern. - * @param array $mask - * @param int $level error correction level - * @return BCH encoded format information pattern - */ - protected function getFormatInfo($mask, $level) { - if (($mask < 0) OR ($mask > 7)) { - return 0; - } - if (($level < 0) OR ($level > 3)) { - return 0; - } - return $this->formatInfo[$level][$mask]; - } - - /** - * Put a finder pattern. - * @param array $frame frame - * @param int $width width - * @param int $ox X center coordinate of the pattern - * @param int $oy Y center coordinate of the pattern - * @return array frame - */ - protected function putFinderPattern($frame, $ox, $oy) { - $finder = array( - "\xc1\xc1\xc1\xc1\xc1\xc1\xc1", - "\xc1\xc0\xc0\xc0\xc0\xc0\xc1", - "\xc1\xc0\xc1\xc1\xc1\xc0\xc1", - "\xc1\xc0\xc1\xc1\xc1\xc0\xc1", - "\xc1\xc0\xc1\xc1\xc1\xc0\xc1", - "\xc1\xc0\xc0\xc0\xc0\xc0\xc1", - "\xc1\xc1\xc1\xc1\xc1\xc1\xc1" - ); - for ($y=0; $y < 7; $y++) { - $frame = $this->qrstrset($frame, $ox, ($oy + $y), $finder[$y]); - } - return $frame; - } - - /** - * Return a copy of initialized frame. - * @param int $version version - * @return Array of unsigned char. - */ - protected function createFrame($version) { - $width = $this->capacity[$version][QRCAP_WIDTH]; - $frameLine = str_repeat ("\0", $width); - $frame = array_fill(0, $width, $frameLine); - // Finder pattern - $frame = $this->putFinderPattern($frame, 0, 0); - $frame = $this->putFinderPattern($frame, $width - 7, 0); - $frame = $this->putFinderPattern($frame, 0, $width - 7); - // Separator - $yOffset = $width - 7; - for ($y=0; $y < 7; ++$y) { - $frame[$y][7] = "\xc0"; - $frame[$y][$width - 8] = "\xc0"; - $frame[$yOffset][7] = "\xc0"; - ++$yOffset; - } - $setPattern = str_repeat("\xc0", 8); - $frame = $this->qrstrset($frame, 0, 7, $setPattern); - $frame = $this->qrstrset($frame, $width-8, 7, $setPattern); - $frame = $this->qrstrset($frame, 0, $width - 8, $setPattern); - // Format info - $setPattern = str_repeat("\x84", 9); - $frame = $this->qrstrset($frame, 0, 8, $setPattern); - $frame = $this->qrstrset($frame, $width - 8, 8, $setPattern, 8); - $yOffset = $width - 8; - for ($y=0; $y < 8; ++$y,++$yOffset) { - $frame[$y][8] = "\x84"; - $frame[$yOffset][8] = "\x84"; - } - // Timing pattern - $wo = $width - 15; - for ($i=1; $i < $wo; ++$i) { - $frame[6][7+$i] = chr(0x90 | ($i & 1)); - $frame[7+$i][6] = chr(0x90 | ($i & 1)); - } - // Alignment pattern - $frame = $this->putAlignmentPattern($version, $frame, $width); - // Version information - if ($version >= 7) { - $vinf = $this->getVersionPattern($version); - $v = $vinf; - for ($x=0; $x<6; ++$x) { - for ($y=0; $y<3; ++$y) { - $frame[($width - 11)+$y][$x] = chr(0x88 | ($v & 1)); - $v = $v >> 1; - } - } - $v = $vinf; - for ($y=0; $y<6; ++$y) { - for ($x=0; $x<3; ++$x) { - $frame[$y][$x+($width - 11)] = chr(0x88 | ($v & 1)); - $v = $v >> 1; - } - } - } - // and a little bit... - $frame[$width - 8][8] = "\x81"; - return $frame; - } - - /** - * Set new frame for the specified version. - * @param int $version version - * @return Array of unsigned char. - */ - protected function newFrame($version) { - if (($version < 1) OR ($version > QRSPEC_VERSION_MAX)) { - return NULL; - } - if (!isset($this->frames[$version])) { - $this->frames[$version] = $this->createFrame($version); - } - if (is_null($this->frames[$version])) { - return NULL; - } - return $this->frames[$version]; - } - - /** - * Return block number 0 - * @param array $spec - * @return int value - */ - protected function rsBlockNum($spec) { - return ($spec[0] + $spec[3]); - } - - /** - * Return block number 1 - * @param array $spec - * @return int value - */ - protected function rsBlockNum1($spec) { - return $spec[0]; - } - - /** - * Return data codes 1 - * @param array $spec - * @return int value - */ - protected function rsDataCodes1($spec) { - return $spec[1]; - } - - /** - * Return ecc codes 1 - * @param array $spec - * @return int value - */ - protected function rsEccCodes1($spec) { - return $spec[2]; - } - - /** - * Return block number 2 - * @param array $spec - * @return int value - */ - protected function rsBlockNum2($spec) { - return $spec[3]; - } - - /** - * Return data codes 2 - * @param array $spec - * @return int value - */ - protected function rsDataCodes2($spec) { - return $spec[4]; - } - - /** - * Return ecc codes 2 - * @param array $spec - * @return int value - */ - protected function rsEccCodes2($spec) { - return $spec[2]; - } - - /** - * Return data length - * @param array $spec - * @return int value - */ - protected function rsDataLength($spec) { - return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]); - } - - /** - * Return ecc length - * @param array $spec - * @return int value - */ - protected function rsEccLength($spec) { - return ($spec[0] + $spec[3]) * $spec[2]; - } - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - // QRrs - - /** - * Initialize a Reed-Solomon codec and add it to existing rsitems - * @param int $symsize symbol size, bits - * @param int $gfpoly Field generator polynomial coefficients - * @param int $fcr first root of RS code generator polynomial, index form - * @param int $prim primitive element to generate polynomial roots - * @param int $nroots RS code generator polynomial degree (number of roots) - * @param int $pad padding bytes at front of shortened block - * @return array Array of RS values:. - */ - protected function init_rs($symsize, $gfpoly, $fcr, $prim, $nroots, $pad) { - foreach ($this->rsitems as $rs) { - if (($rs['pad'] != $pad) OR ($rs['nroots'] != $nroots) OR ($rs['mm'] != $symsize) - OR ($rs['gfpoly'] != $gfpoly) OR ($rs['fcr'] != $fcr) OR ($rs['prim'] != $prim)) { - continue; - } - return $rs; - } - $rs = $this->init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad); - array_unshift($this->rsitems, $rs); - return $rs; - } - - // - - - - - - - - - - - - - - - - - - - - - - - - - - - // QRrsItem - - /** - * modnn - * @param array RS values - * @param int $x X position - * @return int X osition - */ - protected function modnn($rs, $x) { - while ($x >= $rs['nn']) { - $x -= $rs['nn']; - $x = ($x >> $rs['mm']) + ($x & $rs['nn']); - } - return $x; - } - - /** - * Initialize a Reed-Solomon codec and returns an array of values. - * @param int $symsize symbol size, bits - * @param int $gfpoly Field generator polynomial coefficients - * @param int $fcr first root of RS code generator polynomial, index form - * @param int $prim primitive element to generate polynomial roots - * @param int $nroots RS code generator polynomial degree (number of roots) - * @param int $pad padding bytes at front of shortened block - * @return array Array of RS values:. - */ - protected function init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad) { - // Based on Reed solomon encoder by Phil Karn, KA9Q (GNU-LGPLv2) - $rs = null; - // Check parameter ranges - if (($symsize < 0) OR ($symsize > 8)) { - return $rs; - } - if (($fcr < 0) OR ($fcr >= (1<<$symsize))) { - return $rs; - } - if (($prim <= 0) OR ($prim >= (1<<$symsize))) { - return $rs; - } - if (($nroots < 0) OR ($nroots >= (1<<$symsize))) { - return $rs; - } - if (($pad < 0) OR ($pad >= ((1<<$symsize) -1 - $nroots))) { - return $rs; - } - $rs = array(); - $rs['mm'] = $symsize; - $rs['nn'] = (1 << $symsize) - 1; - $rs['pad'] = $pad; - $rs['alpha_to'] = array_fill(0, ($rs['nn'] + 1), 0); - $rs['index_of'] = array_fill(0, ($rs['nn'] + 1), 0); - // PHP style macro replacement ;) - $NN =& $rs['nn']; - $A0 =& $NN; - // Generate Galois field lookup tables - $rs['index_of'][0] = $A0; // log(zero) = -inf - $rs['alpha_to'][$A0] = 0; // alpha**-inf = 0 - $sr = 1; - for ($i=0; $i<$rs['nn']; ++$i) { - $rs['index_of'][$sr] = $i; - $rs['alpha_to'][$i] = $sr; - $sr <<= 1; - if ($sr & (1 << $symsize)) { - $sr ^= $gfpoly; - } - $sr &= $rs['nn']; - } - if ($sr != 1) { - // field generator polynomial is not primitive! - return NULL; - } - // Form RS code generator polynomial from its roots - $rs['genpoly'] = array_fill(0, ($nroots + 1), 0); - $rs['fcr'] = $fcr; - $rs['prim'] = $prim; - $rs['nroots'] = $nroots; - $rs['gfpoly'] = $gfpoly; - // Find prim-th root of 1, used in decoding - for ($iprim=1; ($iprim % $prim) != 0; $iprim += $rs['nn']) { - ; // intentional empty-body loop! - } - $rs['iprim'] = (int)($iprim / $prim); - $rs['genpoly'][0] = 1; - - - for ($i = 0,$root=$fcr*$prim; $i < $nroots; $i++, $root += $prim) { - $rs['genpoly'][$i+1] = 1; - // Multiply rs->genpoly[] by @**(root + x) - for ($j = $i; $j > 0; --$j) { - if ($rs['genpoly'][$j] != 0) { - $rs['genpoly'][$j] = $rs['genpoly'][$j-1] ^ $rs['alpha_to'][$this->modnn($rs, $rs['index_of'][$rs['genpoly'][$j]] + $root)]; - } else { - $rs['genpoly'][$j] = $rs['genpoly'][$j-1]; - } - } - // rs->genpoly[0] can never be zero - $rs['genpoly'][0] = $rs['alpha_to'][$this->modnn($rs, $rs['index_of'][$rs['genpoly'][0]] + $root)]; - } - // convert rs->genpoly[] to index form for quicker encoding - for ($i = 0; $i <= $nroots; ++$i) { - $rs['genpoly'][$i] = $rs['index_of'][$rs['genpoly'][$i]]; - } - return $rs; - } - - /** - * Encode a Reed-Solomon codec and returns the parity array - * @param array $rs RS values - * @param array $data data - * @param array $parity parity - * @return parity array - */ - protected function encode_rs_char($rs, $data, $parity) { - $MM =& $rs['mm']; // bits per symbol - $NN =& $rs['nn']; // the total number of symbols in a RS block - $ALPHA_TO =& $rs['alpha_to']; // the address of an array of NN elements to convert Galois field elements in index (log) form to polynomial form - $INDEX_OF =& $rs['index_of']; // the address of an array of NN elements to convert Galois field elements in polynomial form to index (log) form - $GENPOLY =& $rs['genpoly']; // an array of NROOTS+1 elements containing the generator polynomial in index form - $NROOTS =& $rs['nroots']; // the number of roots in the RS code generator polynomial, which is the same as the number of parity symbols in a block - $FCR =& $rs['fcr']; // first consecutive root, index form - $PRIM =& $rs['prim']; // primitive element, index form - $IPRIM =& $rs['iprim']; // prim-th root of 1, index form - $PAD =& $rs['pad']; // the number of pad symbols in a block - $A0 =& $NN; - $parity = array_fill(0, $NROOTS, 0); - for ($i=0; $i < ($NN - $NROOTS - $PAD); $i++) { - $feedback = $INDEX_OF[$data[$i] ^ $parity[0]]; - if ($feedback != $A0) { - // feedback term is non-zero - // This line is unnecessary when GENPOLY[NROOTS] is unity, as it must - // always be for the polynomials constructed by init_rs() - $feedback = $this->modnn($rs, $NN - $GENPOLY[$NROOTS] + $feedback); - for ($j=1; $j < $NROOTS; ++$j) { - $parity[$j] ^= $ALPHA_TO[$this->modnn($rs, $feedback + $GENPOLY[($NROOTS - $j)])]; - } - } - // Shift - array_shift($parity); - if ($feedback != $A0) { - array_push($parity, $ALPHA_TO[$this->modnn($rs, $feedback + $GENPOLY[0])]); - } else { - array_push($parity, 0); - } - } - return $parity; - } - - } // end QRcode class - -} // END OF "class_exists QRcode" -?> -- cgit v1.2.3