php生成二维码2


<?php include "phpqrcode.php"; $value = "http://huizhongda.taobao.com/"; $errorCorrectionLevel = 'L'; $matrixPointSize = '4'; echo QRcode::png($value, false, $errorCorrectionLevel, $matrixPointSize); /*and: QRcode::png($c, 'png/'.$t.'.png'); echo '<img src="png/'.$t.'.png" /><br />'.$c; */ exit; ?>

上面代码另存为index.php

<?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( 
                "xa1xa1xa1xa1xa1", 
                "xa1xa0xa0xa0xa1", 
                "xa1xa0xa1xa0xa1", 
                "xa1xa0xa0xa0xa1", 
                "xa1xa1xa1xa1xa1" 
            );                        
            
            $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( 
                "xc1xc1xc1xc1xc1xc1xc1", 
                "xc1xc0xc0xc0xc0xc0xc1", 
                "xc1xc0xc1xc1xc1xc0xc1", 
                "xc1xc0xc1xc1xc1xc0xc1", 
                "xc1xc0xc1xc1xc1xc0xc1", 
                "xc1xc0xc0xc0xc0xc0xc1", 
                "xc1xc1xc1xc1xc1xc1xc1" 
            );                            
            
            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 ("", $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('&#9608;&#9608;', 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">&#9618;</span>', explode("xc1", $frameLine)); 
                    $frameLine = join('<span class="p">&nbsp;</span>',  explode("xa0", $frameLine)); 
                    $frameLine = join('<span class="p">&#9618;</span>', explode("xa1", $frameLine)); 
                    $frameLine = join('<span class="s">&#9671;</span>', explode("x84", $frameLine)); //format 0 
                    $frameLine = join('<span class="s">&#9670;</span>', explode("x85", $frameLine)); //format 1 
                    $frameLine = join('<span class="x">&#9762;</span>', explode("x81", $frameLine)); //special bit 
                    $frameLine = join('<span class="c">&nbsp;</span>',  explode("x90", $frameLine)); //clock 0 
                    $frameLine = join('<span class="c">&#9719;</span>', explode("x91", $frameLine)); //clock 1 
                    $frameLine = join('<span class="f">&nbsp;</span>',  explode("x88", $frameLine)); //version 
                    $frameLine = join('<span class="f">&#9618;</span>', explode("x89", $frameLine)); //version 
                    $frameLine = join('&#9830;', explode("x01", $frameLine)); 
                    $frameLine = join('&#8901;', explode("", $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("
", $frame), 9); 
        } 
        
        //---------------------------------------------------------------------- 
        public static function unserial($code) 
        { 
            return explode("
", gzuncompress($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 == '' || $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("
", $codeArr), 9); 
        } 
        
        //---------------------------------------------------------------------- 
        public static function unserial($code) 
        { 
            $codeArr = array(); 
            
            $codeLines = explode("
", gzuncompress($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("", $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("", $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("
", 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()); 
            
            } 
        } 
    }

?>

上面代码另存为:phpqrcode.php

原文地址:https://www.cnblogs.com/jthb/p/3515050.html