PHP生成二维码的类及方法

jopen 9年前

<!-----------------------类文件phpqrcode.php开始--------------------------->

<?php    /*   * PHP QR Code encoder   *   * This file contains MERGED version of PHP QR Code library.   * It was auto-generated from full version for your convenience.   *   * This merged version was configured to not requre any external files,   * with disabled cache, error loging and weker but faster mask matching.   * If you need tune it up please use non-merged version.   *   * For full version, documentation, examples of use please visit:   *   *    http://phpqrcode.sourceforge.net/   *    https://sourceforge.net/projects/phpqrcode/   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * This library 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 any later version.   *   * This library 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 this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */          /*   * Version: 1.1.4   * Build: 2010100721   */        //---- qrconst.php -----------------------------            /*   * PHP QR Code encoder   *   * Common constants   *   * Based on libqrencode C library distributed under LGPL 2.1   * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * This library 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 any later version.   *   * This library 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 this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */      // Encoding modes       define('QR_MODE_NUL', -1);   define('QR_MODE_NUM', 0);   define('QR_MODE_AN', 1);   define('QR_MODE_8', 2);   define('QR_MODE_KANJI', 3);   define('QR_MODE_STRUCTURE', 4);     // Levels of error correction.     define('QR_ECLEVEL_L', 0);   define('QR_ECLEVEL_M', 1);   define('QR_ECLEVEL_Q', 2);   define('QR_ECLEVEL_H', 3);      // Supported output formats      define('QR_FORMAT_TEXT', 0);   define('QR_FORMAT_PNG',  1);      class qrstr {    public static function set(&$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));    }   }         //---- merged_config.php -----------------------------          /*   * PHP QR Code encoder   *   * Config file, tuned-up for merged verion   */             define('QR_CACHEABLE', false);       // use cache - more disk reads but less CPU power, masks and format templates are stored there      define('QR_CACHE_DIR', false);       // used when QR_CACHEABLE === true      define('QR_LOG_DIR', false);         // default error logs dir               define('QR_FIND_BEST_MASK', true);                                                          // 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_FROM_RANDOM', 2);                                                       // if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly      define('QR_DEFAULT_MASK', 2);                                                               // when QR_FIND_BEST_MASK === false                                                          define('QR_PNG_MAXIMUM_SIZE',  1024);                                                       // maximum allowed png image width (in pixels), tune to make sure GD and PHP can handle such big images                                                            //---- qrtools.php -----------------------------          /*   * PHP QR Code encoder   *   * Toolset, handy and debug utilites.   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * This library 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 any later version.   *   * This library 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 this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */        class QRtools {                //----------------------------------------------------------------------          public static function binarize($frame)          {              $len = count($frame);              foreach ($frame as &$frameLine) {                                    for($i=0; $i<$len; $i++) {                      $frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0';                  }              }                            return $frame;          }                    //----------------------------------------------------------------------          public static function tcpdfBarcodeArray($code, $mode = 'QR,L', $tcPdfVersion = '4.5.037')          {              $barcode_array = array();                            if (!is_array($mode))                  $mode = explode(',', $mode);                                $eccLevel = 'L';                                if (count($mode) > 1) {                  $eccLevel = $mode[1];              }                                $qrTab = QRcode::text($code, false, $eccLevel);              $size = count($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;              }                                    return $barcode_array;          }                    //----------------------------------------------------------------------          public static function clearCache()          {              self::$frames = array();          }                    //----------------------------------------------------------------------          public static function buildCache()          {     QRtools::markTime('before_build_cache');          $mask = new QRmask();              for ($a=1; $a <= QRSPEC_VERSION_MAX; $a++) {                  $frame = QRspec::newFrame($a);                  if (QR_IMAGE) {                      $fileName = QR_CACHE_DIR.'frame_'.$a.'.png';                      QRimage::png(self::binarize($frame), $fileName, 1, 0);                  }            $width = count($frame);      $bitMask = array_fill(0, $width, array_fill(0, $width, 0));      for ($maskNo=0; $maskNo<8; $maskNo++)       $mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true);              }          QRtools::markTime('after_build_cache');          }            //----------------------------------------------------------------------          public static function log($outfile, $err)          {              if (QR_LOG_DIR !== false) {                  if ($err != '') {                      if ($outfile !== false) {                          file_put_contents(QR_LOG_DIR.basename($outfile).'-errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);                      } else {                          file_put_contents(QR_LOG_DIR.'errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);                      }                  }                  }          }                    //----------------------------------------------------------------------          public static function dumpMask($frame)           {              $width = count($frame);              for($y=0;$y<$width;$y++) {                  for($x=0;$x<$width;$x++) {                      echo ord($frame[$y][$x]).',';                  }              }          }                    //----------------------------------------------------------------------          public static function markTime($markerId)          {              list($usec, $sec) = explode(" ", microtime());              $time = ((float)$usec + (float)$sec);                            if (!isset($GLOBALS['qr_time_bench']))                  $GLOBALS['qr_time_bench'] = array();                            $GLOBALS['qr_time_bench'][$markerId] = $time;          }                    //----------------------------------------------------------------------          public static function timeBenchmark()          {              self::markTime('finish');                        $lastTime = 0;              $startTime = 0;              $p = 0;                echo '<table cellpadding="3" cellspacing="1">                      <thead><tr style="border-bottom:1px solid silver"><td colspan="2" style="text-align:center">BENCHMARK</td></tr></thead>                      <tbody>';                foreach($GLOBALS['qr_time_bench'] as $markerId=>$thisTime) {                  if ($p > 0) {                      echo '<tr><th style="text-align:right">till '.$markerId.': </th><td>'.number_format($thisTime-$lastTime, 6).'s</td></tr>';                  } else {                      $startTime = $thisTime;                  }                                    $p++;                  $lastTime = $thisTime;              }                            echo '</tbody><tfoot>                  <tr style="border-top:2px solid black"><th style="text-align:right">TOTAL: </th><td>'.number_format($lastTime-$startTime, 6).'s</td></tr>              </tfoot>              </table>';          }                }            //##########################################################################            QRtools::markTime('start');              //---- qrspec.php -----------------------------          /*   * PHP QR Code encoder   *   * QR Code specifications   *   * Based on libqrencode C library distributed under LGPL 2.1   * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * The following data / specifications are taken from   * "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)   *  or   * "Automatic identification and data capture techniques --    *  QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)   *   * This library 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 any later version.   *   * This library 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 this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */         define('QRSPEC_VERSION_MAX', 40);      define('QRSPEC_WIDTH_MAX',   177);        define('QRCAP_WIDTH',        0);      define('QRCAP_WORDS',        1);      define('QRCAP_REMINDER',     2);      define('QRCAP_EC',           3);        class QRspec {                public static $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          );                    //----------------------------------------------------------------------          public static function getDataLength($version, $level)          {              return self::$capacity[$version][QRCAP_WORDS] - self::$capacity[$version][QRCAP_EC][$level];          }                    //----------------------------------------------------------------------          public static function getECCLength($version, $level)          {              return self::$capacity[$version][QRCAP_EC][$level];          }                    //----------------------------------------------------------------------          public static function getWidth($version)          {              return self::$capacity[$version][QRCAP_WIDTH];          }                    //----------------------------------------------------------------------          public static function getRemainder($version)          {              return self::$capacity[$version][QRCAP_REMINDER];          }                    //----------------------------------------------------------------------          public static function getMinimumVersion($size, $level)          {                for($i=1; $i<= QRSPEC_VERSION_MAX; $i++) {                  $words  = self::$capacity[$i][QRCAP_WORDS] - self::$capacity[$i][QRCAP_EC][$level];                  if($words >= $size)                       return $i;              }                return -1;          }                //######################################################################                    public static $lengthTableBits = array(              array(10, 12, 14),              array( 9, 11, 13),              array( 8, 16, 16),              array( 8, 10, 12)          );                    //----------------------------------------------------------------------          public static function lengthIndicator($mode, $version)          {              if ($mode == QR_MODE_STRUCTURE)                  return 0;                                if ($version <= 9) {                  $l = 0;              } else if ($version <= 26) {                  $l = 1;              } else {                  $l = 2;              }                return self::$lengthTableBits[$mode][$l];          }                    //----------------------------------------------------------------------          public static function maximumWords($mode, $version)          {              if($mode == QR_MODE_STRUCTURE)                   return 3;                                if($version <= 9) {                  $l = 0;              } else if($version <= 26) {                  $l = 1;              } else {                  $l = 2;              }                $bits = self::$lengthTableBits[$mode][$l];              $words = (1 << $bits) - 1;                            if($mode == QR_MODE_KANJI) {                  $words *= 2; // the number of bytes is required              }                return $words;          }            // Error correction code -----------------------------------------------          // Table of the error correction code (Reed-Solomon block)          // See Table 12-16 (pp.30-36), JIS X0510:2004.            public static $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          );                                                                                   //----------------------------------------------------------------------          // CACHEABLE!!!                    public static function getEccSpec($version, $level, array &$spec)          {              if (count($spec) < 5) {                  $spec = array(0,0,0,0,0);              }                $b1   = self::$eccTable[$version][$level][0];              $b2   = self::$eccTable[$version][$level][1];              $data = self::getDataLength($version, $level);              $ecc  = self::getECCLength($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;              }          }            // Alignment pattern ---------------------------------------------------            // 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.                     public static $alignmentPattern = array(                    array( 0,  0),              array( 0,  0), array(18,  0), array(22,  0), array(26,  0), array(30,  0), // 1- 5              array(34,  0), array(22, 38), array(24, 42), array(26, 46), array(28, 50), // 6-10              array(30, 54), array(32, 58), array(34, 62), array(26, 46), array(26, 48), //11-15              array(26, 50), array(30, 54), array(30, 56), array(30, 58), array(34, 62), //16-20              array(28, 50), array(26, 50), array(30, 54), array(28, 54), array(32, 58), //21-25              array(30, 58), array(34, 62), array(26, 50), array(30, 54), array(26, 52), //26-30              array(30, 56), array(34, 60), array(30, 58), array(34, 62), array(30, 54), //31-35              array(24, 50), array(28, 54), array(32, 58), array(26, 54), array(30, 58), //35-40          );                                                                                                        /** --------------------------------------------------------------------           * Put an alignment marker.           * @param frame           * @param width           * @param ox,oy center coordinate of the pattern           */          public static function putAlignmentMarker(array &$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; $y++) {                  QRstr::set($frame, $xStart, $yStart+$y, $finder[$y]);              }          }            //----------------------------------------------------------------------          public static function putAlignmentPattern($version, &$frame, $width)          {              if($version < 2)                  return;                $d = self::$alignmentPattern[$version][1] - self::$alignmentPattern[$version][0];              if($d < 0) {                  $w = 2;              } else {                  $w = (int)(($width - self::$alignmentPattern[$version][0]) / $d + 2);              }                if($w * $w - 3 == 1) {                  $x = self::$alignmentPattern[$version][0];                  $y = self::$alignmentPattern[$version][0];                  self::putAlignmentMarker($frame, $x, $y);                  return;              }                $cx = self::$alignmentPattern[$version][0];              for($x=1; $x<$w - 1; $x++) {                  self::putAlignmentMarker($frame, 6, $cx);                  self::putAlignmentMarker($frame, $cx,  6);                  $cx += $d;              }                $cy = self::$alignmentPattern[$version][0];              for($y=0; $y<$w-1; $y++) {                  $cx = self::$alignmentPattern[$version][0];                  for($x=0; $x<$w-1; $x++) {                      self::putAlignmentMarker($frame, $cx, $cy);                      $cx += $d;                  }                  $cy += $d;              }          }            // Version information pattern -----------------------------------------      // Version information pattern (BCH coded).          // See Table 1 in Appendix D (pp.68) of JIS X0510:2004.              // size: [QRSPEC_VERSION_MAX - 6]              public static $versionPattern = array(              0x07c94, 0x085bc, 0x09a99, 0x0a4d3, 0x0bbf6, 0x0c762, 0x0d847, 0x0e60d,              0x0f928, 0x10b78, 0x1145d, 0x12a17, 0x13532, 0x149a6, 0x15683, 0x168c9,              0x177ec, 0x18ec4, 0x191e1, 0x1afab, 0x1b08e, 0x1cc1a, 0x1d33f, 0x1ed75,              0x1f250, 0x209d5, 0x216f0, 0x228ba, 0x2379f, 0x24b0b, 0x2542e, 0x26a64,              0x27541, 0x28c69          );            //----------------------------------------------------------------------          public static function getVersionPattern($version)          {              if($version < 7 || $version > QRSPEC_VERSION_MAX)                  return 0;                return self::$versionPattern[$version -7];          }            // Format information --------------------------------------------------          // See calcFormatInfo in tests/test_qrspec.c (orginal qrencode c lib)                    public static $formatInfo = array(              array(0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976),              array(0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0),              array(0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed),              array(0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b)          );            public static function getFormatInfo($mask, $level)          {              if($mask < 0 || $mask > 7)                  return 0;                                if($level < 0 || $level > 3)                  return 0;                                return self::$formatInfo[$level][$mask];          }            // Frame ---------------------------------------------------------------          // Cache of initial frames.                     public static $frames = array();            /** --------------------------------------------------------------------           * Put a finder pattern.           * @param frame           * @param width           * @param ox,oy upper-left coordinate of the pattern           */          public static function putFinderPattern(&$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; $y++) {                  QRstr::set($frame, $ox, $oy+$y, $finder[$y]);              }          }            //----------------------------------------------------------------------          public static function createFrame($version)          {              $width = self::$capacity[$version][QRCAP_WIDTH];              $frameLine = str_repeat ("\0", $width);              $frame = array_fill(0, $width, $frameLine);                // Finder pattern              self::putFinderPattern($frame, 0, 0);              self::putFinderPattern($frame, $width - 7, 0);              self::putFinderPattern($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++;              }                            $setPattern = str_repeat("\xc0", 8);                            QRstr::set($frame, 0, 7, $setPattern);              QRstr::set($frame, $width-8, 7, $setPattern);              QRstr::set($frame, 0, $width - 8, $setPattern);                        // Format info              $setPattern = str_repeat("\x84", 9);              QRstr::set($frame, 0, 8, $setPattern);              QRstr::set($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                              for($i=1; $i<$width-15; $i++) {                  $frame[6][7+$i] = chr(0x90 | ($i & 1));                  $frame[7+$i][6] = chr(0x90 | ($i & 1));              }                            // Alignment pattern                self::putAlignmentPattern($version, $frame, $width);                            // Version information               if($version >= 7) {                  $vinf = self::getVersionPattern($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 $frame;          }            //----------------------------------------------------------------------          public static function debug($frame, $binary_mode = false)          {              if ($binary_mode) {                                    foreach ($frame as &$frameLine) {                          $frameLine = join('<span class="m">&nbsp;&nbsp;</span>', explode('0', $frameLine));                          $frameLine = join('██', explode('1', $frameLine));                      }                                            ?>                  <style>                      .m { background-color: white; }                  </style>                  <?php                      echo '<pre><tt><br/ ><br/ ><br/ >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';                      echo join("<br/ >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;", $frame);                      echo '</tt></pre><br/ ><br/ ><br/ ><br/ ><br/ ><br/ >';                            } else {                                foreach ($frame as &$frameLine) {                      $frameLine = join('<span class="m">&nbsp;</span>',  explode("\xc0", $frameLine));                      $frameLine = join('<span class="m">▒</span>', explode("\xc1", $frameLine));                      $frameLine = join('<span class="p">&nbsp;</span>',  explode("\xa0", $frameLine));                      $frameLine = join('<span class="p">▒</span>', explode("\xa1", $frameLine));                      $frameLine = join('<span class="s">◇</span>', explode("\x84", $frameLine)); //format 0                      $frameLine = join('<span class="s">◆</span>', explode("\x85", $frameLine)); //format 1                      $frameLine = join('<span class="x">☢</span>', explode("\x81", $frameLine)); //special bit                      $frameLine = join('<span class="c">&nbsp;</span>',  explode("\x90", $frameLine)); //clock 0                      $frameLine = join('<span class="c">◷</span>', explode("\x91", $frameLine)); //clock 1                      $frameLine = join('<span class="f">&nbsp;</span>',  explode("\x88", $frameLine)); //version                      $frameLine = join('<span class="f">▒</span>', explode("\x89", $frameLine)); //version                      $frameLine = join('♦', explode("\x01", $frameLine));                      $frameLine = join('⋅', explode("\0", $frameLine));                  }                                    ?>                  <style>                      .p { background-color: yellow; }                      .m { background-color: #00FF00; }                      .s { background-color: #FF0000; }                      .c { background-color: aqua; }                      .x { background-color: pink; }                      .f { background-color: gold; }                  </style>                  <?php                  echo "<pre><tt>";                  echo join("<br/ >", $frame);                  echo "</tt></pre>";                            }          }            //----------------------------------------------------------------------          public static function serial($frame)          {              return gzcompress(join("\n", $frame), 9);          }                    //----------------------------------------------------------------------          public static function unserial($code)          {              return explode("\n", gzuncompress($code));          }                    //----------------------------------------------------------------------          public static function newFrame($version)          {              if($version < 1 || $version > QRSPEC_VERSION_MAX)                   return null;                if(!isset(self::$frames[$version])) {                                    $fileName = QR_CACHE_DIR.'frame_'.$version.'.dat';                                    if (QR_CACHEABLE) {                      if (file_exists($fileName)) {                          self::$frames[$version] = self::unserial(file_get_contents($fileName));                      } else {                          self::$frames[$version] = self::createFrame($version);                          file_put_contents($fileName, self::serial(self::$frames[$version]));                      }                  } else {                      self::$frames[$version] = self::createFrame($version);                  }              }                            if(is_null(self::$frames[$version]))                  return null;                return self::$frames[$version];          }            //----------------------------------------------------------------------          public static function rsBlockNum($spec)     { return $spec[0] + $spec[3]; }          public static function rsBlockNum1($spec)    { return $spec[0]; }          public static function rsDataCodes1($spec)   { return $spec[1]; }          public static function rsEccCodes1($spec)    { return $spec[2]; }          public static function rsBlockNum2($spec)    { return $spec[3]; }          public static function rsDataCodes2($spec)   { return $spec[4]; }          public static function rsEccCodes2($spec)    { return $spec[2]; }          public static function rsDataLength($spec)   { return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]);    }          public static function rsEccLength($spec)    { return ($spec[0] + $spec[3]) * $spec[2]; }                }        //---- qrimage.php -----------------------------          /*   * PHP QR Code encoder   *   * Image output of code using GD2   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * This library is free software; you can redistribute it and/or   * modify it under the terms of the GNU Lesser General Public   * License as published by the Free Software Foundation; either   * version 3 of the License, or any later version.   *   * This library is distributed in the hope that it will be useful,   * but WITHOUT ANY WARRANTY; without even the implied warranty of   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU   * Lesser General Public License for more details.   *   * You should have received a copy of the GNU Lesser General Public   * License along with this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */         define('QR_IMAGE', true);        class QRimage {                //----------------------------------------------------------------------          public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE)           {              $image = self::image($frame, $pixelPerPoint, $outerFrame);                            if ($filename === false) {                  Header("Content-type: image/png");                  ImagePng($image);              } else {                  if($saveandprint===TRUE){                      ImagePng($image, $filename);                      header("Content-type: image/png");                      ImagePng($image);                  }else{                      ImagePng($image, $filename);                  }              }                            ImageDestroy($image);          }                //----------------------------------------------------------------------          public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85)           {              $image = self::image($frame, $pixelPerPoint, $outerFrame);                            if ($filename === false) {                  Header("Content-type: image/jpeg");                  ImageJpeg($image, null, $q);              } else {                  ImageJpeg($image, $filename, $q);                          }                            ImageDestroy($image);          }                //----------------------------------------------------------------------          private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4)           {              $h = count($frame);              $w = strlen($frame[0]);                            $imgW = $w + 2*$outerFrame;              $imgH = $h + 2*$outerFrame;                            $base_image =ImageCreate($imgW, $imgH);                            $col[0] = ImageColorAllocate($base_image,255,255,255);              $col[1] = ImageColorAllocate($base_image,0,0,0);                imagefill($base_image, 0, 0, $col[0]);                for($y=0; $y<$h; $y++) {                  for($x=0; $x<$w; $x++) {                      if ($frame[$y][$x] == '1') {                          ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]);                       }                  }              }                            $target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);              ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);              ImageDestroy($base_image);                            return $target_image;          }      }        //---- qrinput.php -----------------------------          /*   * PHP QR Code encoder   *   * Input encoding class   *   * Based on libqrencode C library distributed under LGPL 2.1   * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * This library 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 any later version.   *   * This library 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 this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */         define('STRUCTURE_HEADER_BITS',  20);      define('MAX_STRUCTURED_SYMBOLS', 16);        class QRinputItem {                public $mode;          public $size;          public $data;          public $bstream;            public function __construct($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(!QRinput::check($mode, $size, $setData)) {                  throw new Exception('Error m:'.$mode.',s:'.$size.',d:'.join(',',$setData));                  return null;              }                            $this->mode = $mode;              $this->size = $size;              $this->data = $setData;              $this->bstream = $bstream;          }                    //----------------------------------------------------------------------          public function encodeModeNum($version)          {              try {                                $words = (int)($this->size / 3);                  $bs = new QRbitstream();                                    $val = 0x1;                  $bs->appendNum(4, $val);                  $bs->appendNum(QRspec::lengthIndicator(QR_MODE_NUM, $version), $this->size);                    for($i=0; $i<$words; $i++) {                      $val  = (ord($this->data[$i*3  ]) - ord('0')) * 100;                      $val += (ord($this->data[$i*3+1]) - ord('0')) * 10;                      $val += (ord($this->data[$i*3+2]) - ord('0'));                      $bs->appendNum(10, $val);                  }                    if($this->size - $words * 3 == 1) {                      $val = ord($this->data[$words*3]) - ord('0');                      $bs->appendNum(4, $val);                  } else if($this->size - $words * 3 == 2) {                      $val  = (ord($this->data[$words*3  ]) - ord('0')) * 10;                      $val += (ord($this->data[$words*3+1]) - ord('0'));                      $bs->appendNum(7, $val);                  }                    $this->bstream = $bs;                  return 0;                                } catch (Exception $e) {                  return -1;              }          }                    //----------------------------------------------------------------------          public function encodeModeAn($version)          {              try {                  $words = (int)($this->size / 2);                  $bs = new QRbitstream();                                    $bs->appendNum(4, 0x02);                  $bs->appendNum(QRspec::lengthIndicator(QR_MODE_AN, $version), $this->size);                    for($i=0; $i<$words; $i++) {                      $val  = (int)QRinput::lookAnTable(ord($this->data[$i*2  ])) * 45;                      $val += (int)QRinput::lookAnTable(ord($this->data[$i*2+1]));                        $bs->appendNum(11, $val);                  }                    if($this->size & 1) {                      $val = QRinput::lookAnTable(ord($this->data[$words * 2]));                      $bs->appendNum(6, $val);                  }                            $this->bstream = $bs;                  return 0;                            } catch (Exception $e) {                  return -1;              }          }                    //----------------------------------------------------------------------          public function encodeMode8($version)          {              try {                  $bs = new QRbitstream();                    $bs->appendNum(4, 0x4);                  $bs->appendNum(QRspec::lengthIndicator(QR_MODE_8, $version), $this->size);                    for($i=0; $i<$this->size; $i++) {                      $bs->appendNum(8, ord($this->data[$i]));                  }                    $this->bstream = $bs;                  return 0;                            } catch (Exception $e) {                  return -1;              }          }                    //----------------------------------------------------------------------          public function encodeModeKanji($version)          {              try {                    $bs = new QRbitrtream();                                    $bs->appendNum(4, 0x8);                  $bs->appendNum(QRspec::lengthIndicator(QR_MODE_KANJI, $version), (int)($this->size / 2));                    for($i=0; $i<$this->size; $i+=2) {                      $val = (ord($this->data[$i]) << 8) | ord($this->data[$i+1]);                      if($val <= 0x9ffc) {                          $val -= 0x8140;                      } else {                          $val -= 0xc140;                      }                                            $h = ($val >> 8) * 0xc0;                      $val = ($val & 0xff) + $h;                        $bs->appendNum(13, $val);                  }                    $this->bstream = $bs;                  return 0;                            } catch (Exception $e) {                  return -1;              }          }            //----------------------------------------------------------------------          public function encodeModeStructure()          {              try {                  $bs =  new QRbitstream();                                    $bs->appendNum(4, 0x03);                  $bs->appendNum(4, ord($this->data[1]) - 1);                  $bs->appendNum(4, ord($this->data[0]) - 1);                  $bs->appendNum(8, ord($this->data[2]));                    $this->bstream = $bs;                  return 0;                            } catch (Exception $e) {                  return -1;              }          }                    //----------------------------------------------------------------------          public function estimateBitStreamSizeOfEntry($version)          {              $bits = 0;                if($version == 0)                   $version = 1;                switch($this->mode) {                  case QR_MODE_NUM:        $bits = QRinput::estimateBitsModeNum($this->size);    break;                  case QR_MODE_AN:        $bits = QRinput::estimateBitsModeAn($this->size);    break;                  case QR_MODE_8:            $bits = QRinput::estimateBitsMode8($this->size);    break;                  case QR_MODE_KANJI:        $bits = QRinput::estimateBitsModeKanji($this->size);break;                  case QR_MODE_STRUCTURE:    return STRUCTURE_HEADER_BITS;                              default:                      return 0;              }                $l = QRspec::lengthIndicator($this->mode, $version);              $m = 1 << $l;              $num = (int)(($this->size + $m - 1) / $m);                $bits += $num * (4 + $l);                return $bits;          }                    //----------------------------------------------------------------------          public function encodeBitStream($version)          {              try {                                unset($this->bstream);                  $words = QRspec::maximumWords($this->mode, $version);                                    if($this->size > $words) {                                        $st1 = new QRinputItem($this->mode, $words, $this->data);                      $st2 = new QRinputItem($this->mode, $this->size - $words, array_slice($this->data, $words));                        $st1->encodeBitStream($version);                      $st2->encodeBitStream($version);                                            $this->bstream = new QRbitstream();                      $this->bstream->append($st1->bstream);                      $this->bstream->append($st2->bstream);                                            unset($st1);                      unset($st2);                                        } else {                                            $ret = 0;                                            switch($this->mode) {                          case QR_MODE_NUM:        $ret = $this->encodeModeNum($version);    break;                          case QR_MODE_AN:        $ret = $this->encodeModeAn($version);    break;                          case QR_MODE_8:            $ret = $this->encodeMode8($version);    break;                          case QR_MODE_KANJI:        $ret = $this->encodeModeKanji($version);break;                          case QR_MODE_STRUCTURE:    $ret = $this->encodeModeStructure();    break;                                                    default:                              break;                      }                                            if($ret < 0)                          return -1;                  }                    return $this->bstream->size();                            } catch (Exception $e) {                  return -1;              }          }      };            //##########################################################################        class QRinput {            public $items;                    private $version;          private $level;                    //----------------------------------------------------------------------          public function __construct($version = 0, $level = QR_ECLEVEL_L)          {              if ($version < 0 || $version > QRSPEC_VERSION_MAX || $level > QR_ECLEVEL_H) {                  throw new Exception('Invalid version no');                  return NULL;              }                            $this->version = $version;              $this->level = $level;          }                    //----------------------------------------------------------------------          public function getVersion()          {              return $this->version;          }                    //----------------------------------------------------------------------          public function setVersion($version)          {              if($version < 0 || $version > QRSPEC_VERSION_MAX) {                  throw new Exception('Invalid version no');                  return -1;              }                $this->version = $version;                return 0;          }                    //----------------------------------------------------------------------          public function getErrorCorrectionLevel()          {              return $this->level;          }            //----------------------------------------------------------------------          public function setErrorCorrectionLevel($level)          {              if($level > QR_ECLEVEL_H) {                  throw new Exception('Invalid ECLEVEL');                  return -1;              }                $this->level = $level;                return 0;          }                    //----------------------------------------------------------------------          public function appendEntry(QRinputItem $entry)          {              $this->items[] = $entry;          }                    //----------------------------------------------------------------------          public function append($mode, $size, $data)          {              try {                  $entry = new QRinputItem($mode, $size, $data);                  $this->items[] = $entry;                  return 0;              } catch (Exception $e) {                  return -1;              }          }                    //----------------------------------------------------------------------                    public function insertStructuredAppendHeader($size, $index, $parity)          {              if( $size > MAX_STRUCTURED_SYMBOLS ) {                  throw new Exception('insertStructuredAppendHeader wrong size');              }                            if( $index <= 0 || $index > MAX_STRUCTURED_SYMBOLS ) {                  throw new Exception('insertStructuredAppendHeader wrong index');              }                $buf = array($size, $index, $parity);                            try {                  $entry = new QRinputItem(QR_MODE_STRUCTURE, 3, buf);                  array_unshift($this->items, $entry);                  return 0;              } catch (Exception $e) {                  return -1;              }          }            //----------------------------------------------------------------------          public function calcParity()          {              $parity = 0;                            foreach($this->items as $item) {                  if($item->mode != QR_MODE_STRUCTURE) {                      for($i=$item->size-1; $i>=0; $i--) {                          $parity ^= $item->data[$i];                      }                  }              }                return $parity;          }                    //----------------------------------------------------------------------          public static function checkModeNum($size, $data)          {              for($i=0; $i<$size; $i++) {                  if((ord($data[$i]) < ord('0')) || (ord($data[$i]) > ord('9'))){                      return false;                  }              }                return true;          }            //----------------------------------------------------------------------          public static function estimateBitsModeNum($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;          }                    //----------------------------------------------------------------------          public static $anTable = array(              -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,              -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,              36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43,               0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 44, -1, -1, -1, -1, -1,              -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,              25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1,              -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,              -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1          );                    //----------------------------------------------------------------------          public static function lookAnTable($c)          {              return (($c > 127)?-1:self::$anTable[$c]);          }                    //----------------------------------------------------------------------          public static function checkModeAn($size, $data)          {              for($i=0; $i<$size; $i++) {                  if (self::lookAnTable(ord($data[$i])) == -1) {                      return false;                  }              }                return true;          }                    //----------------------------------------------------------------------          public static function estimateBitsModeAn($size)          {              $w = (int)($size / 2);              $bits = $w * 11;                            if($size & 1) {                  $bits += 6;              }                return $bits;          }                //----------------------------------------------------------------------          public static function estimateBitsMode8($size)          {              return $size * 8;          }                    //----------------------------------------------------------------------          public function estimateBitsModeKanji($size)          {              return (int)(($size / 2) * 13);          }                    //----------------------------------------------------------------------          public static function checkModeKanji($size, $data)          {              if($size & 1)                  return false;                for($i=0; $i<$size; $i+=2) {                  $val = (ord($data[$i]) << 8) | ord($data[$i+1]);                  if( $val < 0x8140                   || ($val > 0x9ffc && $val < 0xe040)                   || $val > 0xebbf) {                      return false;                  }              }                return true;          }            /***********************************************************************           * Validation           **********************************************************************/            public static function check($mode, $size, $data)          {              if($size <= 0)                   return false;                switch($mode) {                  case QR_MODE_NUM:       return self::checkModeNum($size, $data);   break;                  case QR_MODE_AN:        return self::checkModeAn($size, $data);    break;                  case QR_MODE_KANJI:     return self::checkModeKanji($size, $data); break;                  case QR_MODE_8:         return true; break;                  case QR_MODE_STRUCTURE: return true; break;                                    default:                      break;              }                return false;          }                              //----------------------------------------------------------------------          public function estimateBitStreamSize($version)          {              $bits = 0;                foreach($this->items as $item) {                  $bits += $item->estimateBitStreamSizeOfEntry($version);              }                return $bits;          }                    //----------------------------------------------------------------------          public function estimateVersion()          {              $version = 0;              $prev = 0;              do {                  $prev = $version;                  $bits = $this->estimateBitStreamSize($prev);                  $version = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level);                  if ($version < 0) {                      return -1;                  }              } while ($version > $prev);                return $version;          }                    //----------------------------------------------------------------------          public static function lengthOfCode($mode, $version, $bits)          {              $payload = $bits - 4 - QRspec::lengthIndicator($mode, $version);              switch($mode) {                  case QR_MODE_NUM:                      $chunks = (int)($payload / 10);                      $remain = $payload - $chunks * 10;                      $size = $chunks * 3;                      if($remain >= 7) {                          $size += 2;                      } else if($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_8:                      $size = (int)($payload / 8);                      break;                  case QR_MODE_KANJI:                      $size = (int)(($payload / 13) * 2);                      break;                  case QR_MODE_STRUCTURE:                      $size = (int)($payload / 8);                      break;                  default:                      $size = 0;                      break;              }                            $maxsize = QRspec::maximumWords($mode, $version);              if($size < 0) $size = 0;              if($size > $maxsize) $size = $maxsize;                return $size;          }                    //----------------------------------------------------------------------          public function createBitStream()          {              $total = 0;                foreach($this->items as $item) {                  $bits = $item->encodeBitStream($this->version);                                    if($bits < 0)                       return -1;                                        $total += $bits;              }                return $total;          }                    //----------------------------------------------------------------------          public function convertData()          {              $ver = $this->estimateVersion();              if($ver > $this->getVersion()) {                  $this->setVersion($ver);              }                for(;;) {                  $bits = $this->createBitStream();                                    if($bits < 0)                       return -1;                                        $ver = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level);                  if($ver < 0) {                      throw new Exception('WRONG VERSION');                      return -1;                  } else if($ver > $this->getVersion()) {                      $this->setVersion($ver);                  } else {                      break;                  }              }                return 0;          }                    //----------------------------------------------------------------------          public function appendPaddingBit(&$bstream)          {              $bits = $bstream->size();              $maxwords = QRspec::getDataLength($this->version, $this->level);              $maxbits = $maxwords * 8;                if ($maxbits == $bits) {                  return 0;              }                if ($maxbits - $bits < 5) {                  return $bstream->appendNum($maxbits - $bits, 0);              }                $bits += 4;              $words = (int)(($bits + 7) / 8);                $padding = new QRbitstream();              $ret = $padding->appendNum($words * 8 - $bits + 4, 0);                            if($ret < 0)                   return $ret;                $padlen = $maxwords - $words;                            if($padlen > 0) {                                    $padbuf = array();                  for($i=0; $i<$padlen; $i++) {                      $padbuf[$i] = ($i&1)?0x11:0xec;                  }                                    $ret = $padding->appendBytes($padlen, $padbuf);                                    if($ret < 0)                      return $ret;                                }                $ret = $bstream->append($padding);                            return $ret;          }            //----------------------------------------------------------------------          public function mergeBitStream()          {              if($this->convertData() < 0) {                  return null;              }                $bstream = new QRbitstream();                            foreach($this->items as $item) {                  $ret = $bstream->append($item->bstream);                  if($ret < 0) {                      return null;                  }              }                return $bstream;          }            //----------------------------------------------------------------------          public function getBitStream()          {                $bstream = $this->mergeBitStream();                            if($bstream == null) {                  return null;              }                            $ret = $this->appendPaddingBit($bstream);              if($ret < 0) {                  return null;              }                return $bstream;          }                    //----------------------------------------------------------------------          public function getByteStream()          {              $bstream = $this->getBitStream();              if($bstream == null) {                  return null;              }                            return $bstream->toByte();          }      }                                  //---- qrbitstream.php -----------------------------          /*   * PHP QR Code encoder   *   * Bitstream class   *   * Based on libqrencode C library distributed under LGPL 2.1   * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * This library 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 any later version.   *   * This library 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 this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */             class QRbitstream {                public $data = array();                    //----------------------------------------------------------------------          public function size()          {              return count($this->data);          }                    //----------------------------------------------------------------------          public function allocate($setLength)          {              $this->data = array_fill(0, $setLength, 0);              return 0;          }                //----------------------------------------------------------------------          public static function newFromNum($bits, $num)          {              $bstream = new QRbitstream();              $bstream->allocate($bits);                            $mask = 1 << ($bits - 1);              for($i=0; $i<$bits; $i++) {                  if($num & $mask) {                      $bstream->data[$i] = 1;                  } else {                      $bstream->data[$i] = 0;                  }                  $mask = $mask >> 1;              }                return $bstream;          }                    //----------------------------------------------------------------------          public static function newFromBytes($size, $data)          {              $bstream = new QRbitstream();              $bstream->allocate($size * 8);              $p=0;                for($i=0; $i<$size; $i++) {                  $mask = 0x80;                  for($j=0; $j<8; $j++) {                      if($data[$i] & $mask) {                          $bstream->data[$p] = 1;                      } else {                          $bstream->data[$p] = 0;                      }                      $p++;                      $mask = $mask >> 1;                  }              }                return $bstream;          }                    //----------------------------------------------------------------------          public function append(QRbitstream $arg)          {              if (is_null($arg)) {                  return -1;              }                            if($arg->size() == 0) {                  return 0;              }                            if($this->size() == 0) {                  $this->data = $arg->data;                  return 0;              }                            $this->data = array_values(array_merge($this->data, $arg->data));                return 0;          }                    //----------------------------------------------------------------------          public function appendNum($bits, $num)          {              if ($bits == 0)                   return 0;                $b = QRbitstream::newFromNum($bits, $num);                            if(is_null($b))                  return -1;                $ret = $this->append($b);              unset($b);                return $ret;          }            //----------------------------------------------------------------------          public function appendBytes($size, $data)          {              if ($size == 0)                   return 0;                $b = QRbitstream::newFromBytes($size, $data);                            if(is_null($b))                  return -1;                $ret = $this->append($b);              unset($b);                return $ret;          }                    //----------------------------------------------------------------------          public function toByte()          {                        $size = $this->size();                if($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 |= $this->data[$p];                      $p++;                  }                  $data[$i] = $v;              }                            if($size & 7) {                  $v = 0;                  for($j=0; $j<($size & 7); $j++) {                      $v = $v << 1;                      $v |= $this->data[$p];                      $p++;                  }                  $data[$bytes] = $v;              }                return $data;          }        }          //---- qrsplit.php -----------------------------          /*   * PHP QR Code encoder   *   * Input splitting classes   *   * Based on libqrencode C library distributed under LGPL 2.1   * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * The following data / specifications are taken from   * "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)   *  or   * "Automatic identification and data capture techniques --    *  QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)   *   * This library 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 any later version.   *   * This library 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 this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */      class QRsplit {            public $dataStr = '';          public $input;          public $modeHint;            //----------------------------------------------------------------------          public function __construct($dataStr, $input, $modeHint)           {              $this->dataStr  = $dataStr;              $this->input    = $input;              $this->modeHint = $modeHint;          }                    //----------------------------------------------------------------------          public static function isdigitat($str, $pos)          {                  if ($pos >= strlen($str))                  return false;                            return ((ord($str[$pos]) >= ord('0'))&&(ord($str[$pos]) <= ord('9')));          }                    //----------------------------------------------------------------------          public static function isalnumat($str, $pos)          {              if ($pos >= strlen($str))                  return false;                                return (QRinput::lookAnTable(ord($str[$pos])) >= 0);          }            //----------------------------------------------------------------------          public function identifyMode($pos)          {              if ($pos >= strlen($this->dataStr))                   return QR_MODE_NUL;                                $c = $this->dataStr[$pos];                            if(self::isdigitat($this->dataStr, $pos)) {                  return QR_MODE_NUM;              } else if(self::isalnumat($this->dataStr, $pos)) {                  return QR_MODE_AN;              } else if($this->modeHint == QR_MODE_KANJI) {                                if ($pos+1 < strlen($this->dataStr))                   {                      $d = $this->dataStr[$pos+1];                      $word = (ord($c) << 8) | ord($d);                      if(($word >= 0x8140 && $word <= 0x9ffc) || ($word >= 0xe040 && $word <= 0xebbf)) {                          return QR_MODE_KANJI;                      }                  }              }                return QR_MODE_8;          }                     //----------------------------------------------------------------------          public function eatNum()          {              $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());                $p = 0;              while(self::isdigitat($this->dataStr, $p)) {                  $p++;              }                            $run = $p;              $mode = $this->identifyMode($p);                            if($mode == QR_MODE_8) {                  $dif = QRinput::estimateBitsModeNum($run) + 4 + $ln                       + QRinput::estimateBitsMode8(1)         // + 4 + l8                       - QRinput::estimateBitsMode8($run + 1); // - 4 - l8                  if($dif > 0) {                      return $this->eat8();                  }              }              if($mode == QR_MODE_AN) {                  $dif = QRinput::estimateBitsModeNum($run) + 4 + $ln                       + QRinput::estimateBitsModeAn(1)        // + 4 + la                       - QRinput::estimateBitsModeAn($run + 1);// - 4 - la                  if($dif > 0) {                      return $this->eatAn();                  }              }                            $ret = $this->input->append(QR_MODE_NUM, $run, str_split($this->dataStr));              if($ret < 0)                  return -1;                return $run;          }                    //----------------------------------------------------------------------          public function eatAn()          {              $la = QRspec::lengthIndicator(QR_MODE_AN,  $this->input->getVersion());              $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());                $p = 0;                            while(self::isalnumat($this->dataStr, $p)) {                  if(self::isdigitat($this->dataStr, $p)) {                      $q = $p;                      while(self::isdigitat($this->dataStr, $q)) {                          $q++;                      }                                            $dif = QRinput::estimateBitsModeAn($p) // + 4 + la                           + QRinput::estimateBitsModeNum($q - $p) + 4 + $ln                           - QRinput::estimateBitsModeAn($q); // - 4 - la                                                 if($dif < 0) {                          break;                      } else {                          $p = $q;                      }                  } else {                      $p++;                  }              }                $run = $p;                if(!self::isalnumat($this->dataStr, $p)) {                  $dif = QRinput::estimateBitsModeAn($run) + 4 + $la                       + QRinput::estimateBitsMode8(1) // + 4 + l8                        - QRinput::estimateBitsMode8($run + 1); // - 4 - l8                  if($dif > 0) {                      return $this->eat8();                  }              }                $ret = $this->input->append(QR_MODE_AN, $run, str_split($this->dataStr));              if($ret < 0)                  return -1;                return $run;          }                    //----------------------------------------------------------------------          public function eatKanji()          {              $p = 0;                            while($this->identifyMode($p) == QR_MODE_KANJI) {                  $p += 2;              }                            $ret = $this->input->append(QR_MODE_KANJI, $p, str_split($this->dataStr));              if($ret < 0)                  return -1;                return $run;          }            //----------------------------------------------------------------------          public function eat8()          {              $la = QRspec::lengthIndicator(QR_MODE_AN, $this->input->getVersion());              $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());                $p = 1;              $dataStrLen = strlen($this->dataStr);                            while($p < $dataStrLen) {                                    $mode = $this->identifyMode($p);                  if($mode == QR_MODE_KANJI) {                      break;                  }                  if($mode == QR_MODE_NUM) {                      $q = $p;                      while(self::isdigitat($this->dataStr, $q)) {                          $q++;                      }                      $dif = QRinput::estimateBitsMode8($p) // + 4 + l8                           + QRinput::estimateBitsModeNum($q - $p) + 4 + $ln                           - QRinput::estimateBitsMode8($q); // - 4 - l8                      if($dif < 0) {                          break;                      } else {                          $p = $q;                      }                  } else if($mode == QR_MODE_AN) {                      $q = $p;                      while(self::isalnumat($this->dataStr, $q)) {                          $q++;                      }                      $dif = QRinput::estimateBitsMode8($p)  // + 4 + l8                           + QRinput::estimateBitsModeAn($q - $p) + 4 + $la                           - QRinput::estimateBitsMode8($q); // - 4 - l8                      if($dif < 0) {                          break;                      } else {                          $p = $q;                      }                  } else {                      $p++;                  }              }                $run = $p;              $ret = $this->input->append(QR_MODE_8, $run, str_split($this->dataStr));                            if($ret < 0)                  return -1;                return $run;          }            //----------------------------------------------------------------------          public function splitString()          {              while (strlen($this->dataStr) > 0)              {                  if($this->dataStr == '')                      return 0;                    $mode = $this->identifyMode(0);                                    switch ($mode) {                      case QR_MODE_NUM: $length = $this->eatNum(); break;                      case QR_MODE_AN:  $length = $this->eatAn(); break;                      case QR_MODE_KANJI:                          if ($hint == QR_MODE_KANJI)                                  $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);              }          }            //----------------------------------------------------------------------          public function toUpper()          {              $stringLen = strlen($this->dataStr);              $p = 0;                            while ($p<$stringLen) {                  $mode = self::identifyMode(substr($this->dataStr, $p), $this->modeHint);                  if($mode == QR_MODE_KANJI) {                      $p += 2;                  } else {                      if (ord($this->dataStr[$p]) >= ord('a') && ord($this->dataStr[$p]) <= ord('z')) {                          $this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32);                      }                      $p++;                  }              }                return $this->dataStr;          }            //----------------------------------------------------------------------          public static function splitStringToQRinput($string, QRinput $input, $modeHint, $casesensitive = true)          {              if(is_null($string) || $string == '\0' || $string == '') {                  throw new Exception('empty string!!!');              }                $split = new QRsplit($string, $input, $modeHint);                            if(!$casesensitive)                  $split->toUpper();                                return $split->splitString();          }      }        //---- qrrscode.php -----------------------------          /*   * PHP QR Code encoder   *   * Reed-Solomon error correction support   *    * Copyright (C) 2002, 2003, 2004, 2006 Phil Karn, KA9Q   * (libfec is released under the GNU Lesser General Public License.)   *   * Based on libqrencode C library distributed under LGPL 2.1   * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * This library 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 any later version.   *   * This library 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 this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */         class QRrsItem {                public $mm;                  // Bits per symbol           public $nn;                  // Symbols per block (= (1<<mm)-1)           public $alpha_to = array();  // log lookup table           public $index_of = array();  // Antilog lookup table           public $genpoly = array();   // Generator polynomial           public $nroots;              // Number of generator roots = number of parity symbols           public $fcr;                 // First consecutive root, index form           public $prim;                // Primitive element, index form           public $iprim;               // prim-th root of 1, index form           public $pad;                 // Padding bytes in shortened block           public $gfpoly;                //----------------------------------------------------------------------          public function modnn($x)          {              while ($x >= $this->nn) {                  $x -= $this->nn;                  $x = ($x >> $this->mm) + ($x & $this->nn);              }                            return $x;          }                    //----------------------------------------------------------------------          public static function init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)          {              // Common code for intializing a Reed-Solomon control block (char or int symbols)              // Copyright 2004 Phil Karn, KA9Q              // May be used under the terms of the GNU Lesser General Public License (LGPL)                $rs = null;                            // Check parameter ranges              if($symsize < 0 || $symsize > 8)                     return $rs;              if($fcr < 0 || $fcr >= (1<<$symsize))                return $rs;              if($prim <= 0 || $prim >= (1<<$symsize))             return $rs;              if($nroots < 0 || $nroots >= (1<<$symsize))          return $rs; // Can't have more roots than symbol values!              if($pad < 0 || $pad >= ((1<<$symsize) -1 - $nroots)) return $rs; // Too much padding                $rs = new QRrsItem();              $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!                  $rs = NULL;                  return $rs;              }                /* 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] ^ $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[$j]] + $root)];                      } else {                          $rs->genpoly[$j] = $rs->genpoly[$j-1];                      }                  }                  // rs->genpoly[0] can never be zero                  $rs->genpoly[0] = $rs->alpha_to[$rs->modnn($rs->index_of[$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 $rs;          }                    //----------------------------------------------------------------------          public function encode_rs_char($data, &$parity)          {              $MM       =& $this->mm;              $NN       =& $this->nn;              $ALPHA_TO =& $this->alpha_to;              $INDEX_OF =& $this->index_of;              $GENPOLY  =& $this->genpoly;              $NROOTS   =& $this->nroots;              $FCR      =& $this->fcr;              $PRIM     =& $this->prim;              $IPRIM    =& $this->iprim;              $PAD      =& $this->pad;              $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 = $this->modnn($NN - $GENPOLY[$NROOTS] + $feedback);                                    for($j=1;$j<$NROOTS;$j++) {                          $parity[$j] ^= $ALPHA_TO[$this->modnn($feedback + $GENPOLY[$NROOTS-$j])];                      }                  }                                    // Shift                   array_shift($parity);                  if($feedback != $A0) {                      array_push($parity, $ALPHA_TO[$this->modnn($feedback + $GENPOLY[0])]);                  } else {                      array_push($parity, 0);                  }              }          }      }            //##########################################################################            class QRrs {                public static $items = array();                    //----------------------------------------------------------------------          public static function init_rs($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)          {              foreach(self::$items as $rs) {                  if($rs->pad != $pad)       continue;                  if($rs->nroots != $nroots) continue;                  if($rs->mm != $symsize)    continue;                  if($rs->gfpoly != $gfpoly) continue;                  if($rs->fcr != $fcr)       continue;                  if($rs->prim != $prim)     continue;                    return $rs;              }                $rs = QRrsItem::init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad);              array_unshift(self::$items, $rs);                return $rs;          }      }        //---- qrmask.php -----------------------------          /*   * PHP QR Code encoder   *   * Masking   *   * Based on libqrencode C library distributed under LGPL 2.1   * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * This library 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 any later version.   *   * This library 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 this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */      define('N1', 3);   define('N2', 3);   define('N3', 40);   define('N4', 10);     class QRmask {       public $runLength = array();        //----------------------------------------------------------------------    public function __construct()           {              $this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0);          }                    //----------------------------------------------------------------------          public function writeFormatInformation($width, &$frame, $mask, $level)          {              $blacks = 0;              $format =  QRspec::getFormatInfo($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 $blacks;          }                    //----------------------------------------------------------------------          public function mask0($x, $y) { return ($x+$y)&1;                       }          public function mask1($x, $y) { return ($y&1);                          }          public function mask2($x, $y) { return ($x%3);                          }          public function mask3($x, $y) { return ($x+$y)%3;                       }          public function mask4($x, $y) { return (((int)($y/2))+((int)($x/3)))&1; }          public function mask5($x, $y) { return (($x*$y)&1)+($x*$y)%3;           }          public function mask6($x, $y) { return ((($x*$y)&1)+($x*$y)%3)&1;       }          public function mask7($x, $y) { return ((($x*$y)%3)+(($x+$y)&1))&1;     }                    //----------------------------------------------------------------------          private function generateMaskNo($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 $bitMask;          }                    //----------------------------------------------------------------------          public static function serial($bitFrame)          {              $codeArr = array();                            foreach ($bitFrame as $line)                  $codeArr[] = join('', $line);                                return gzcompress(join("\n", $codeArr), 9);          }                    //----------------------------------------------------------------------          public static function unserial($code)          {              $codeArr = array();                            $codeLines = explode("\n", gzuncompress($code));              foreach ($codeLines as $line)                  $codeArr[] = str_split($line);                            return $codeArr;          }                    //----------------------------------------------------------------------          public function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly = false)           {              $b = 0;              $bitMask = array();                            $fileName = QR_CACHE_DIR.'mask_'.$maskNo.DIRECTORY_SEPARATOR.'mask_'.$width.'_'.$maskNo.'.dat';                if (QR_CACHEABLE) {                  if (file_exists($fileName)) {                      $bitMask = self::unserial(file_get_contents($fileName));                  } else {                      $bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);                      if (!file_exists(QR_CACHE_DIR.'mask_'.$maskNo))                          mkdir(QR_CACHE_DIR.'mask_'.$maskNo);                      file_put_contents($fileName, self::serial($bitMask));                  }              } else {                  $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 $b;          }                    //----------------------------------------------------------------------          public function makeMask($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 $masked;          }                    //----------------------------------------------------------------------          public function calcN1N3($length)          {              $demerit = 0;                for($i=0; $i<$length; $i++) {                                    if($this->runLength[$i] >= 5) {                      $demerit += (N1 + ($this->runLength[$i] - 5));                  }                  if($i & 1) {                      if(($i >= 3) && ($i < ($length-2)) && ($this->runLength[$i] % 3 == 0)) {                          $fact = (int)($this->runLength[$i] / 3);                          if(($this->runLength[$i-2] == $fact) &&                             ($this->runLength[$i-1] == $fact) &&                             ($this->runLength[$i+1] == $fact) &&                             ($this->runLength[$i+2] == $fact)) {                              if(($this->runLength[$i-3] < 0) || ($this->runLength[$i-3] >= (4 * $fact))) {                                  $demerit += N3;                              } else if((($i+3) >= $length) || ($this->runLength[$i+3] >= (4 * $fact))) {                                  $demerit += N3;                              }                          }                      }                  }              }              return $demerit;          }                    //----------------------------------------------------------------------          public function evaluateSymbol($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) && ($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) && (ord($frameY[$x]) & 1)) {                          $this->runLength[0] = -1;                          $head = 1;                          $this->runLength[$head] = 1;                      } else if($x > 0) {                          if((ord($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 && (ord($frame[$y][$x]) & 1)) {                          $this->runLength[0] = -1;                          $head = 1;                          $this->runLength[$head] = 1;                      } else if($y > 0) {                          if((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) {                              $head++;                              $this->runLength[$head] = 1;                          } else {                              $this->runLength[$head]++;                          }                      }                  }                                $demerit += $this->calcN1N3($head+1);              }                return $demerit;          }                              //----------------------------------------------------------------------          public function mask($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;          }                    //----------------------------------------------------------------------      }          //---- qrencode.php -----------------------------          /*   * PHP QR Code encoder   *   * Main encoder classes.   *   * Based on libqrencode C library distributed under LGPL 2.1   * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>   *   * PHP QR Code is distributed under LGPL 3   * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>   *   * This library 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 any later version.   *   * This library 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 this library; if not, write to the Free Software   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA   */         class QRrsblock {          public $dataLength;          public $data = array();          public $eccLength;          public $ecc = array();                    public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs)          {              $rs->encode_rs_char($data, $ecc);                        $this->dataLength = $dl;              $this->data = $data;              $this->eccLength = $el;              $this->ecc = $ecc;          }      };            //##########################################################################        class QRrawcode {          public $version;          public $datacode = array();          public $ecccode = array();          public $blocks;          public $rsblocks = array(); //of RSblock          public $count;          public $dataLength;          public $eccLength;          public $b1;                    //----------------------------------------------------------------------          public function __construct(QRinput $input)          {              $spec = array(0,0,0,0,0);                            $this->datacode = $input->getByteStream();              if(is_null($this->datacode)) {                  throw new Exception('null imput string');              }                QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec);                $this->version = $input->getVersion();              $this->b1 = QRspec::rsBlockNum1($spec);              $this->dataLength = QRspec::rsDataLength($spec);              $this->eccLength = QRspec::rsEccLength($spec);              $this->ecccode = array_fill(0, $this->eccLength, 0);              $this->blocks = QRspec::rsBlockNum($spec);                            $ret = $this->init($spec);              if($ret < 0) {                  throw new Exception('block alloc error');                  return null;              }                $this->count = 0;          }                    //----------------------------------------------------------------------          public function init(array $spec)          {              $dl = QRspec::rsDataCodes1($spec);              $el = QRspec::rsEccCodes1($spec);              $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);                              $blockNo = 0;              $dataPos = 0;              $eccPos = 0;              for($i=0; $i<QRspec::rsBlockNum1($spec); $i++) {                  $ecc = array_slice($this->ecccode,$eccPos);                  $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el,  $ecc, $rs);                  $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);                                    $dataPos += $dl;                  $eccPos += $el;                  $blockNo++;              }                if(QRspec::rsBlockNum2($spec) == 0)                  return 0;                $dl = QRspec::rsDataCodes2($spec);              $el = QRspec::rsEccCodes2($spec);              $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);                            if($rs == NULL) return -1;                            for($i=0; $i<QRspec::rsBlockNum2($spec); $i++) {                  $ecc = array_slice($this->ecccode,$eccPos);                  $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);                  $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);                                    $dataPos += $dl;                  $eccPos += $el;                  $blockNo++;              }                return 0;          }                    //----------------------------------------------------------------------          public function getCode()          {              $ret;                if($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[$col];              } else if($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;          }      }        //##########################################################################            class QRcode {                public $version;          public $width;          public $data;                     //----------------------------------------------------------------------          public function encodeMask(QRinput $input, $mask)          {              if($input->getVersion() < 0 || $input->getVersion() > QRSPEC_VERSION_MAX) {                  throw new Exception('wrong version');              }              if($input->getErrorCorrectionLevel() > QR_ECLEVEL_H) {                  throw new Exception('wrong level');              }                $raw = new QRrawcode($input);                            QRtools::markTime('after_raw');                            $version = $raw->version;              $width = QRspec::getWidth($version);              $frame = QRspec::newFrame($version);                            $filler = new FrameFiller($width, $frame);              if(is_null($filler)) {                  return NULL;              }                // inteleaved data and ecc codes              for($i=0; $i<$raw->dataLength + $raw->eccLength; $i++) {                  $code = $raw->getCode();                  $bit = 0x80;                  for($j=0; $j<8; $j++) {                      $addr = $filler->next();                      $filler->setFrameAt($addr, 0x02 | (($bit & $code) != 0));                      $bit = $bit >> 1;                  }              }                            QRtools::markTime('after_filler');                            unset($raw);                            // remainder bits              $j = QRspec::getRemainder($version);              for($i=0; $i<$j; $i++) {                  $addr = $filler->next();                  $filler->setFrameAt($addr, 0x02);              }                            $frame = $filler->frame;              unset($filler);                                          // masking              $maskObj = new QRmask();              if($mask < 0) {                                if (QR_FIND_BEST_MASK) {                      $masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel());                  } else {                      $masked = $maskObj->makeMask($width, $frame, (intval(QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel());                  }              } else {                  $masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel());              }                            if($masked == NULL) {                  return NULL;              }                            QRtools::markTime('after_mask');                            $this->version = $version;              $this->width = $width;              $this->data = $masked;                            return $this;          }                //----------------------------------------------------------------------          public function encodeInput(QRinput $input)          {              return $this->encodeMask($input, -1);          }                    //----------------------------------------------------------------------          public function encodeString8bit($string, $version, $level)          {              if(string == NULL) {                  throw new Exception('empty string!');                  return NULL;              }                $input = new QRinput($version, $level);              if($input == NULL) return NULL;                $ret = $input->append($input, QR_MODE_8, strlen($string), str_split($string));              if($ret < 0) {                  unset($input);                  return NULL;              }              return $this->encodeInput($input);          }            //----------------------------------------------------------------------          public function encodeString($string, $version, $level, $hint, $casesensitive)          {                if($hint != QR_MODE_8 && $hint != QR_MODE_KANJI) {                  throw new Exception('bad hint');                  return NULL;              }                $input = new QRinput($version, $level);              if($input == NULL) return NULL;                $ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive);              if($ret < 0) {                  return NULL;              }                return $this->encodeInput($input);          }                    //----------------------------------------------------------------------          public static function png($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint=false)           {              $enc = QRencode::factory($level, $size, $margin);              return $enc->encodePNG($text, $outfile, $saveandprint=false);          }            //----------------------------------------------------------------------          public static function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)           {              $enc = QRencode::factory($level, $size, $margin);              return $enc->encode($text, $outfile);          }            //----------------------------------------------------------------------          public static function raw($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)           {              $enc = QRencode::factory($level, $size, $margin);              return $enc->encodeRAW($text, $outfile);          }      }            //##########################################################################            class FrameFiller {                public $width;          public $frame;          public $x;          public $y;          public $dir;          public $bit;                    //----------------------------------------------------------------------          public function __construct($width, &$frame)          {              $this->width = $width;              $this->frame = $frame;              $this->x = $width - 1;              $this->y = $width - 1;              $this->dir = -1;              $this->bit = -1;          }                    //----------------------------------------------------------------------          public function setFrameAt($at, $val)          {              $this->frame[$at['y']][$at['x']] = chr($val);          }                    //----------------------------------------------------------------------          public function getFrameAt($at)          {              return ord($this->frame[$at['y']][$at['x']]);          }                    //----------------------------------------------------------------------          public function next()          {              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 || $y < 0) return null;                    $this->x = $x;                  $this->y = $y;                } while(ord($this->frame[$y][$x]) & 0x80);                                        return array('x'=>$x, 'y'=>$y);          }                } ;            //##########################################################################                class QRencode {                public $casesensitive = true;          public $eightbit = false;                    public $version = 0;          public $size = 3;          public $margin = 4;                    public $structured = 0; // not supported yet                    public $level = QR_ECLEVEL_L;          public $hint = QR_MODE_8;                    //----------------------------------------------------------------------          public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4)          {              $enc = new QRencode();              $enc->size = $size;              $enc->margin = $margin;                            switch ($level.'') {                  case '0':                  case '1':                  case '2':                  case '3':                          $enc->level = $level;                      break;                  case 'l':                  case 'L':                          $enc->level = QR_ECLEVEL_L;                      break;                  case 'm':                  case 'M':                          $enc->level = QR_ECLEVEL_M;                      break;                  case 'q':                  case 'Q':                          $enc->level = QR_ECLEVEL_Q;                      break;                  case 'h':                  case 'H':                          $enc->level = QR_ECLEVEL_H;                      break;              }                            return $enc;          }                    //----------------------------------------------------------------------          public function encodeRAW($intext, $outfile = false)           {              $code = new QRcode();                if($this->eightbit) {                  $code->encodeString8bit($intext, $this->version, $this->level);              } else {                  $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);              }                            return $code->data;          }            //----------------------------------------------------------------------          public function encode($intext, $outfile = false)           {              $code = new QRcode();                if($this->eightbit) {                  $code->encodeString8bit($intext, $this->version, $this->level);              } else {                  $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);              }                            QRtools::markTime('after_encode');                            if ($outfile!== false) {                  file_put_contents($outfile, join("\n", QRtools::binarize($code->data)));              } else {                  return QRtools::binarize($code->data);              }          }                    //----------------------------------------------------------------------          public function encodePNG($intext, $outfile = false,$saveandprint=false)           {              try {                                ob_start();                  $tab = $this->encode($intext);                  $err = ob_get_contents();                  ob_end_clean();                                    if ($err != '')                      QRtools::log($outfile, $err);                                    $maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin));                                    QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint);                            } catch (Exception $e) {                                QRtools::log($outfile, $e->getMessage());                            }          }      }

<!-----------------------类文件phpqrcode.php结束--------------------------->

<!-----------------------使用方法开始--------------------------->

include('./phpqrcode.php');       //引入类文件

$picUrl = 'http://blog.csdn.net/maildocgaojingru';     //二维码扫描出的链接

QRcode::png($picUrl, "./code.png",'L',4,0);     //生成png图片

 

<!-----------------------使用方法结束--------------------------->