Browse Source

Améliore la gestion de l'OTP, ajout du QR-code

Christophe HENRY 4 years ago
parent
commit
1fb93d25b2

+ 17 - 0
Functions.class.php

@@ -374,5 +374,22 @@ class Functions
     public static function isAjaxCall() {
         return !empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest';
     }
+
+    /**
+    * Charge dans la portée locale des variables de $_REQUEST
+    * Ex: chargeVarRequest('liste', 'var') créera $liste et $var venant de $_REQUEST
+    */ 
+    public static function chargeVarRequest() {
+        foreach (func_get_args() as $arg) {
+            global ${$arg};
+            if (array_key_exists($arg, $_REQUEST)) {
+                $valeur = $_REQUEST[$arg];
+            } else {
+                $valeur = '';
+            }
+            ${$arg} = $valeur;
+        }
+    }
+
 }
 ?>

+ 49 - 9
User.class.php

@@ -8,7 +8,12 @@
 
 class User extends MysqlEntity{
 
-    protected $id,$login,$password;
+    const OTP_INTERVAL = 30;
+    const OTP_DIGITS   = 8;
+    const OTP_DIGEST   = 'sha1';
+    private $otpControler;
+
+    protected $id,$login,$password,$otpSecret;
     protected $TABLE_NAME = 'user';
     protected $CLASS_NAME = 'User';
     protected $object_fields =
@@ -16,7 +21,7 @@ class User extends MysqlEntity{
         'id'=>'key',
         'login'=>'string',
         'password'=>'string',
-        'otpSeed'=>'string',
+        'otpSecret'=>'string',
     );
 
     function __construct(){
@@ -27,19 +32,40 @@ class User extends MysqlEntity{
         $this->id = $id;
     }
 
+    function isOtpSecretValid($otpSecret) {
+        // Teste si la longueur est d'au moins 8 caractères
+        // et en Base32: [A-Z] + [2-7]
+        return is_string($otpSecret) && preg_match('/^[a-zA-Z2-7]{8,}$/', $otpSecret);
+    }
+
+    protected function getOtpControler() {
+        if (empty($this->otpControler))
+            $this->otpControler = new \OTPHP\TOTP($this->otpSecret, array('interval'=>self::OTP_INTERVAL, 'digits'=>self::OTP_DIGITS, 'digest'=>self::OTP_DIGEST));
+        return $this->otpControler;
+    }
+
+    function getOtpKey() {
+        $otp = $this->getOtpControler();
+        return str_pad($otp->now(), $otp->digits, '0', STR_PAD_LEFT);
+    }
+
     function exist($login,$password,$salt='',$otpEntered=Null){
         $userManager = new User();
         $user = $userManager->load(array('login'=>$login,'password'=>User::encrypt($password,$salt)));
 
         if (false!=$user) {
-            $otpSeed = @$user->otpSeed; # Si champ null, la propriété n'existe pas !
-            if (!defined('OTP') || is_null($otpSeed) && is_null($otpEntered) ) {
-                return $user;
-            } else {
-                $otp = new \OTPHP\TOTP($otpSeed, array('interval'=>30, 'digits'=>8, 'digest'=>'sha1'));
-                if ($otp->verify($otpEntered) || $otp->verify($otpEntered, time()-10)) {
+            $otpSecret = $user->otpSecret;
+
+            global $configurationManager;
+            switch (True) {
+                case !$configurationManager->get('otpEnabled'):
+                case empty($otpSecret) && empty($otpEntered):
+                    // Pas d'OTP s'il est désactivé dans la configuration où s'il n'est pas demandé et fourni.
                     return $user;
-                }
+            }
+            $otp = $user->getOtpControler();
+            if ($otp->verify($otpEntered) || $otp->verify($otpEntered, time()-10)) {
+                return $user;
             }
         }
 
@@ -101,6 +127,20 @@ class User extends MysqlEntity{
         $this->password = User::encrypt($password,$salt);
     }
 
+    function getOtpSeed(){
+        return $this->otpSecret;
+    }
+
+    function setOtpSeed($otpSecret){
+        return $this->otpSecret = $otpSecret;
+    }
+
+    function resetPassword($resetPassword, $salt=''){
+        $this->setPassword($resetPassword, $salt);
+        $this->otpSecret = '';
+        $this->save();
+    }
+
     static function encrypt($password, $salt=''){
         return sha1($password.$salt);
     }

+ 13 - 8
action.php

@@ -117,8 +117,8 @@ switch ($action){
             $configurationManager->put('feedMaxEvents',$_['feedMaxEvents']);
             $configurationManager->put('language',$_['ChgLanguage']);
             $configurationManager->put('theme',$_['ChgTheme']);
+            $configurationManager->put('otpEnabled',$_['otpEnabled']);
 
-            $userManager->change(array('login'=>$_['login']),array('id'=>$myUser->getId()));
             if(trim($_['password'])!='') {
                 $salt = User::generateSalt();
                 $userManager->change(array('password'=>User::encrypt($_['password'], $salt)),array('id'=>$myUser->getId()));
@@ -137,6 +137,16 @@ switch ($action){
 
             }
 
+            # Modifications dans la base de données, la portée courante et la sesssion
+            # @TODO: gérer cela de façon centralisée
+            $otpSecret = $_['otpSecret'];
+            if ($myUser->isOtpSecretValid($otpSecret)) {
+                $userManager->change(array('login'=>$_['login'], 'otpSecret'=>$otpSecret),array('id'=>$myUser->getId()));
+                $myUser->setLogin($_['login']);
+                $myUser->setOtpSeed($otpSecret);
+                $_SESSION['currentUser'] = serialize($myUser);
+            }
+
     header('location: ./settings.php#preferenceBloc');
     break;
 
@@ -426,13 +436,8 @@ switch ($action){
                 if (false===$tmpUser) {
                     $message = "Unknown user '{$_['login']}'! No password reset.";
                 } else {
-                    $id = $tmpUser->getId();
-                    $salt = $configurationManager->get('cryptographicSalt');
-                    $userManager->change(
-                        array('password'=>User::encrypt($resetPassword, $salt)),
-                        array('id'=>$id)
-                    );
-                    $message = "User '{$_['login']}' (id=$id) Password reset to '$resetPassword'.";
+                    $tmpUser->resetPassword($resetPassword, $configurationManager->get('cryptographicSalt'));
+                    $message = "User '{$_['login']}' (id={$tmpUser->getId()}) Password reset to '$resetPassword'.";
                 }
             }
             error_log($message);

+ 2 - 2
index.php

@@ -28,8 +28,8 @@ $tpl->assign('allEvents',$eventManager->getEventCountPerFolder());
 //utilisé pour récupérer le statut d'un feed dans le template (en erreur ou ok)
 $feedState = new Feed();
 $tpl->assign('feedState',$feedState);
-
-$tpl->assign('otpEnabled', defined('OTP') && OTP);
+//afficher ou non le champ OTP
+$tpl->assign('otpEnabled', $configurationManager->get('otpEnabled'));
 
 $articleDisplayAuthor = $configurationManager->get('articleDisplayAuthor');
 $articleDisplayDate = $configurationManager->get('articleDisplayDate');

+ 0 - 1
locale/en.json

@@ -53,7 +53,6 @@
  "LEED_UPDATE_MESSAGE":"Leed has been updated. Refresh the page to return to your Leed.",
  "LOGIN":"Username",
  "NEW_ARTICLES":"new articles",
- "ONE_TIME_PASSWORD":"OTP Key",
  "OPML_FILE":"OPML File",
  "PASSWORD":"Password",
  "PENDING":"In progress...",

+ 0 - 1
locale/eo.json

@@ -53,7 +53,6 @@
  "LEED_UPDATE_MESSAGE":"Leed estis ĝisdatigita. Reŝargi la paĝon por reiri al via Leed.",
  "LOGIN":"Salutnomo",
  "NEW_ARTICLES":"Novaj artikoloj",
- "ONE_TIME_PASSWORD":"OTP ŝlosilo",
  "OPML_FILE":"Dosiero OPML",
  "PASSWORD":"Pasvorto",
  "PENDING":"Okazonta...",

+ 1 - 1
locale/es.json

@@ -67,4 +67,4 @@
  "SYNCHRONIZE_COFFEE_TIME":"NB : La syncronisación puede tomar cierto tiempo, deje su navegador y vaya tomarse un cafe. :)",
  "SYNCHRONIZE_NOW":"Syncronisar ahora",
  "YOU_MUST_BE_CONNECTED_ACTION":"Usted debe haber iniciado una sesión para continuar."
-}
+}

+ 0 - 1
locale/fr.json

@@ -53,7 +53,6 @@
  "LEED_UPDATE_MESSAGE":"Leed à été mis à jour. Rafraîchir la page pour retourner sur votre Leed.",
  "LOGIN":"Identifiant",
  "NEW_ARTICLES":"nouveaux articles",
- "ONE_TIME_PASSWORD":"Clé OTP",
  "OPML_FILE":"Fichier OPML",
  "PASSWORD":"Mot de passe",
  "PENDING":"En cours…",

+ 17 - 4
otTest.php

@@ -5,14 +5,27 @@
 
 require_once dirname(__FILE__).'/otphp/lib/otphp.php';
 
-$totp1 = new \OTPHP\TOTP('22222222', array('interval'=>30, 'digits'=>8, 'digest'=>'sha1'));
-$totp512 = new \OTPHP\TOTP('22222222', array('interval'=>30, 'digits'=>8, 'digest'=>'sha512'));
-print_r($totp);
+
+# Il faut faire comme ça : https://python-totp.herokuapp.com/
+# Ça génère un OTP aléatoire et le QR qui correspond. FreeOTP le récupère
+# d'un coup. Idéal à placer sur la gestion du compte pour activer l'OTP sans se
+# soucier du secret.
+
+$pass = '42432526';
+$pass = 'abcdefgh';
+$pass = 'abcdefgh23456';
+$pass = 'abcdeijrgfoaefgh23456';
+$pass = "yiemah3ShulaeXaichae";
+$pass = "yiemah3shulaexaichae";
+
+$pass = "yiemah3shul";
+$totp1 = new \OTPHP\TOTP($pass, array('interval'=>30, 'digits'=>8, 'digest'=>'sha1'));
+$totp2 = new \OTPHP\TOTP(strtoupper($pass), array('interval'=>30, 'digits'=>8, 'digest'=>'sha1'));
 
 
 while( True ){
     echo "1 ", str_pad($totp1->now(), $totp1->digits, '0', STR_PAD_LEFT)."\n";
-    echo "512 ", str_pad($totp512->now(), $totp512->digits, '0', STR_PAD_LEFT)."\n";
+    echo "2 ", str_pad($totp2->now(), $totp2->digits, '0', STR_PAD_LEFT)."\n";
     sleep(1);
 }
 

+ 1 - 0
otphp/vendor/base32.php

@@ -56,6 +56,7 @@ class Base32 {
     
     public static function decode($input) {
         if(empty($input)) return;
+        $input = strtoupper($input);
         $paddingCharCount = substr_count($input, self::$map[32]);
         $allowedValues = array(6,4,3,1,0);
         if(!in_array($paddingCharCount, $allowedValues)) return false;

+ 3312 - 0
phpqrcode.php

@@ -0,0 +1,3312 @@
+<?php
+
+/*
+ * PHP QR Code encoder
+ *
+ * This file contains MERGED version of PHP QR Code library.
+ * It was auto-generated from full version for your convenience.
+ *
+ * This merged version was configured to not requre any external files,
+ * with disabled cache, error loging and weker but faster mask matching.
+ * If you need tune it up please use non-merged version.
+ *
+ * For full version, documentation, examples of use please visit:
+ *
+ *    http://phpqrcode.sourceforge.net/
+ *    https://sourceforge.net/projects/phpqrcode/
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+ 
+ 
+
+/*
+ * Version: 1.1.4
+ * Build: 2010100721
+ */
+
+
+
+//---- qrconst.php -----------------------------
+
+
+
+
+
+/*
+ * PHP QR Code encoder
+ *
+ * Common constants
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+ 
+	// Encoding modes
+	 
+	define('QR_MODE_NUL', -1);
+	define('QR_MODE_NUM', 0);
+	define('QR_MODE_AN', 1);
+	define('QR_MODE_8', 2);
+	define('QR_MODE_KANJI', 3);
+	define('QR_MODE_STRUCTURE', 4);
+
+	// Levels of error correction.
+
+	define('QR_ECLEVEL_L', 0);
+	define('QR_ECLEVEL_M', 1);
+	define('QR_ECLEVEL_Q', 2);
+	define('QR_ECLEVEL_H', 3);
+	
+	// Supported output formats
+	
+	define('QR_FORMAT_TEXT', 0);
+	define('QR_FORMAT_PNG',  1);
+	
+	class qrstr {
+		public static function set(&$srctab, $x, $y, $repl, $replLen = false) {
+			$srctab[$y] = substr_replace($srctab[$y], ($replLen !== false)?substr($repl,0,$replLen):$repl, $x, ($replLen !== false)?$replLen:strlen($repl));
+		}
+	}	
+
+
+
+//---- merged_config.php -----------------------------
+
+
+
+
+/*
+ * PHP QR Code encoder
+ *
+ * Config file, tuned-up for merged verion
+ */
+     
+    define('QR_CACHEABLE', false);       // use cache - more disk reads but less CPU power, masks and format templates are stored there
+    define('QR_CACHE_DIR', false);       // used when QR_CACHEABLE === true
+    define('QR_LOG_DIR', false);         // default error logs dir   
+    
+    define('QR_FIND_BEST_MASK', true);                                                          // if true, estimates best mask (spec. default, but extremally slow; set to false to significant performance boost but (propably) worst quality code
+    define('QR_FIND_FROM_RANDOM', 2);                                                       // if false, checks all masks available, otherwise value tells count of masks need to be checked, mask id are got randomly
+    define('QR_DEFAULT_MASK', 2);                                                               // when QR_FIND_BEST_MASK === false
+                                                  
+    define('QR_PNG_MAXIMUM_SIZE',  1024);                                                       // maximum allowed png image width (in pixels), tune to make sure GD and PHP can handle such big images
+                                                  
+
+
+
+//---- qrtools.php -----------------------------
+
+
+
+
+/*
+ * PHP QR Code encoder
+ *
+ * Toolset, handy and debug utilites.
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+    class QRtools {
+    
+        //----------------------------------------------------------------------
+        public static function binarize($frame)
+        {
+            $len = count($frame);
+            foreach ($frame as &$frameLine) {
+                
+                for($i=0; $i<$len; $i++) {
+                    $frameLine[$i] = (ord($frameLine[$i])&1)?'1':'0';
+                }
+            }
+            
+            return $frame;
+        }
+        
+        //----------------------------------------------------------------------
+        public static function tcpdfBarcodeArray($code, $mode = 'QR,L', $tcPdfVersion = '4.5.037')
+        {
+            $barcode_array = array();
+            
+            if (!is_array($mode))
+                $mode = explode(',', $mode);
+                
+            $eccLevel = 'L';
+                
+            if (count($mode) > 1) {
+                $eccLevel = $mode[1];
+            }
+                
+            $qrTab = QRcode::text($code, false, $eccLevel);
+            $size = count($qrTab);
+                
+            $barcode_array['num_rows'] = $size;
+            $barcode_array['num_cols'] = $size;
+            $barcode_array['bcode'] = array();
+                
+            foreach ($qrTab as $line) {
+                $arrAdd = array();
+                foreach(str_split($line) as $char)
+                    $arrAdd[] = ($char=='1')?1:0;
+                $barcode_array['bcode'][] = $arrAdd;
+            }
+                    
+            return $barcode_array;
+        }
+        
+        //----------------------------------------------------------------------
+        public static function clearCache()
+        {
+            self::$frames = array();
+        }
+        
+        //----------------------------------------------------------------------
+        public static function buildCache()
+        {
+			QRtools::markTime('before_build_cache');
+			
+			$mask = new QRmask();
+            for ($a=1; $a <= QRSPEC_VERSION_MAX; $a++) {
+                $frame = QRspec::newFrame($a);
+                if (QR_IMAGE) {
+                    $fileName = QR_CACHE_DIR.'frame_'.$a.'.png';
+                    QRimage::png(self::binarize($frame), $fileName, 1, 0);
+                }
+				
+				$width = count($frame);
+				$bitMask = array_fill(0, $width, array_fill(0, $width, 0));
+				for ($maskNo=0; $maskNo<8; $maskNo++)
+					$mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true);
+            }
+			
+			QRtools::markTime('after_build_cache');
+        }
+
+        //----------------------------------------------------------------------
+        public static function log($outfile, $err)
+        {
+            if (QR_LOG_DIR !== false) {
+                if ($err != '') {
+                    if ($outfile !== false) {
+                        file_put_contents(QR_LOG_DIR.basename($outfile).'-errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);
+                    } else {
+                        file_put_contents(QR_LOG_DIR.'errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);
+                    }
+                }    
+            }
+        }
+        
+        //----------------------------------------------------------------------
+        public static function dumpMask($frame) 
+        {
+            $width = count($frame);
+            for($y=0;$y<$width;$y++) {
+                for($x=0;$x<$width;$x++) {
+                    echo ord($frame[$y][$x]).',';
+                }
+            }
+        }
+        
+        //----------------------------------------------------------------------
+        public static function markTime($markerId)
+        {
+            list($usec, $sec) = explode(" ", microtime());
+            $time = ((float)$usec + (float)$sec);
+            
+            if (!isset($GLOBALS['qr_time_bench']))
+                $GLOBALS['qr_time_bench'] = array();
+            
+            $GLOBALS['qr_time_bench'][$markerId] = $time;
+        }
+        
+        //----------------------------------------------------------------------
+        public static function timeBenchmark()
+        {
+            self::markTime('finish');
+        
+            $lastTime = 0;
+            $startTime = 0;
+            $p = 0;
+
+            echo '<table cellpadding="3" cellspacing="1">
+                    <thead><tr style="border-bottom:1px solid silver"><td colspan="2" style="text-align:center">BENCHMARK</td></tr></thead>
+                    <tbody>';
+
+            foreach($GLOBALS['qr_time_bench'] as $markerId=>$thisTime) {
+                if ($p > 0) {
+                    echo '<tr><th style="text-align:right">till '.$markerId.': </th><td>'.number_format($thisTime-$lastTime, 6).'s</td></tr>';
+                } else {
+                    $startTime = $thisTime;
+                }
+                
+                $p++;
+                $lastTime = $thisTime;
+            }
+            
+            echo '</tbody><tfoot>
+                <tr style="border-top:2px solid black"><th style="text-align:right">TOTAL: </th><td>'.number_format($lastTime-$startTime, 6).'s</td></tr>
+            </tfoot>
+            </table>';
+        }
+        
+    }
+    
+    //##########################################################################
+    
+    QRtools::markTime('start');
+    
+
+
+
+//---- qrspec.php -----------------------------
+
+
+
+
+/*
+ * PHP QR Code encoder
+ *
+ * QR Code specifications
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * The following data / specifications are taken from
+ * "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)
+ *  or
+ * "Automatic identification and data capture techniques -- 
+ *  QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+ 
+    define('QRSPEC_VERSION_MAX', 40);
+    define('QRSPEC_WIDTH_MAX',   177);
+
+    define('QRCAP_WIDTH',        0);
+    define('QRCAP_WORDS',        1);
+    define('QRCAP_REMINDER',     2);
+    define('QRCAP_EC',           3);
+
+    class QRspec {
+    
+        public static $capacity = array(
+            array(  0,    0, 0, array(   0,    0,    0,    0)),
+            array( 21,   26, 0, array(   7,   10,   13,   17)), // 1
+            array( 25,   44, 7, array(  10,   16,   22,   28)),
+            array( 29,   70, 7, array(  15,   26,   36,   44)),
+            array( 33,  100, 7, array(  20,   36,   52,   64)),
+            array( 37,  134, 7, array(  26,   48,   72,   88)), // 5
+            array( 41,  172, 7, array(  36,   64,   96,  112)),
+            array( 45,  196, 0, array(  40,   72,  108,  130)),
+            array( 49,  242, 0, array(  48,   88,  132,  156)),
+            array( 53,  292, 0, array(  60,  110,  160,  192)),
+            array( 57,  346, 0, array(  72,  130,  192,  224)), //10
+            array( 61,  404, 0, array(  80,  150,  224,  264)),
+            array( 65,  466, 0, array(  96,  176,  260,  308)),
+            array( 69,  532, 0, array( 104,  198,  288,  352)),
+            array( 73,  581, 3, array( 120,  216,  320,  384)),
+            array( 77,  655, 3, array( 132,  240,  360,  432)), //15
+            array( 81,  733, 3, array( 144,  280,  408,  480)),
+            array( 85,  815, 3, array( 168,  308,  448,  532)),
+            array( 89,  901, 3, array( 180,  338,  504,  588)),
+            array( 93,  991, 3, array( 196,  364,  546,  650)),
+            array( 97, 1085, 3, array( 224,  416,  600,  700)), //20
+            array(101, 1156, 4, array( 224,  442,  644,  750)),
+            array(105, 1258, 4, array( 252,  476,  690,  816)),
+            array(109, 1364, 4, array( 270,  504,  750,  900)),
+            array(113, 1474, 4, array( 300,  560,  810,  960)),
+            array(117, 1588, 4, array( 312,  588,  870, 1050)), //25
+            array(121, 1706, 4, array( 336,  644,  952, 1110)),
+            array(125, 1828, 4, array( 360,  700, 1020, 1200)),
+            array(129, 1921, 3, array( 390,  728, 1050, 1260)),
+            array(133, 2051, 3, array( 420,  784, 1140, 1350)),
+            array(137, 2185, 3, array( 450,  812, 1200, 1440)), //30
+            array(141, 2323, 3, array( 480,  868, 1290, 1530)),
+            array(145, 2465, 3, array( 510,  924, 1350, 1620)),
+            array(149, 2611, 3, array( 540,  980, 1440, 1710)),
+            array(153, 2761, 3, array( 570, 1036, 1530, 1800)),
+            array(157, 2876, 0, array( 570, 1064, 1590, 1890)), //35
+            array(161, 3034, 0, array( 600, 1120, 1680, 1980)),
+            array(165, 3196, 0, array( 630, 1204, 1770, 2100)),
+            array(169, 3362, 0, array( 660, 1260, 1860, 2220)),
+            array(173, 3532, 0, array( 720, 1316, 1950, 2310)),
+            array(177, 3706, 0, array( 750, 1372, 2040, 2430)) //40
+        );
+        
+        //----------------------------------------------------------------------
+        public static function getDataLength($version, $level)
+        {
+            return self::$capacity[$version][QRCAP_WORDS] - self::$capacity[$version][QRCAP_EC][$level];
+        }
+        
+        //----------------------------------------------------------------------
+        public static function getECCLength($version, $level)
+        {
+            return self::$capacity[$version][QRCAP_EC][$level];
+        }
+        
+        //----------------------------------------------------------------------
+        public static function getWidth($version)
+        {
+            return self::$capacity[$version][QRCAP_WIDTH];
+        }
+        
+        //----------------------------------------------------------------------
+        public static function getRemainder($version)
+        {
+            return self::$capacity[$version][QRCAP_REMINDER];
+        }
+        
+        //----------------------------------------------------------------------
+        public static function getMinimumVersion($size, $level)
+        {
+
+            for($i=1; $i<= QRSPEC_VERSION_MAX; $i++) {
+                $words  = self::$capacity[$i][QRCAP_WORDS] - self::$capacity[$i][QRCAP_EC][$level];
+                if($words >= $size) 
+                    return $i;
+            }
+
+            return -1;
+        }
+    
+        //######################################################################
+        
+        public static $lengthTableBits = array(
+            array(10, 12, 14),
+            array( 9, 11, 13),
+            array( 8, 16, 16),
+            array( 8, 10, 12)
+        );
+        
+        //----------------------------------------------------------------------
+        public static function lengthIndicator($mode, $version)
+        {
+            if ($mode == QR_MODE_STRUCTURE)
+                return 0;
+                
+            if ($version <= 9) {
+                $l = 0;
+            } else if ($version <= 26) {
+                $l = 1;
+            } else {
+                $l = 2;
+            }
+
+            return self::$lengthTableBits[$mode][$l];
+        }
+        
+        //----------------------------------------------------------------------
+        public static function maximumWords($mode, $version)
+        {
+            if($mode == QR_MODE_STRUCTURE) 
+                return 3;
+                
+            if($version <= 9) {
+                $l = 0;
+            } else if($version <= 26) {
+                $l = 1;
+            } else {
+                $l = 2;
+            }
+
+            $bits = self::$lengthTableBits[$mode][$l];
+            $words = (1 << $bits) - 1;
+            
+            if($mode == QR_MODE_KANJI) {
+                $words *= 2; // the number of bytes is required
+            }
+
+            return $words;
+        }
+
+        // Error correction code -----------------------------------------------
+        // Table of the error correction code (Reed-Solomon block)
+        // See Table 12-16 (pp.30-36), JIS X0510:2004.
+
+        public static $eccTable = array(
+            array(array( 0,  0), array( 0,  0), array( 0,  0), array( 0,  0)),
+            array(array( 1,  0), array( 1,  0), array( 1,  0), array( 1,  0)), // 1
+            array(array( 1,  0), array( 1,  0), array( 1,  0), array( 1,  0)),
+            array(array( 1,  0), array( 1,  0), array( 2,  0), array( 2,  0)),
+            array(array( 1,  0), array( 2,  0), array( 2,  0), array( 4,  0)),
+            array(array( 1,  0), array( 2,  0), array( 2,  2), array( 2,  2)), // 5
+            array(array( 2,  0), array( 4,  0), array( 4,  0), array( 4,  0)),
+            array(array( 2,  0), array( 4,  0), array( 2,  4), array( 4,  1)),
+            array(array( 2,  0), array( 2,  2), array( 4,  2), array( 4,  2)),
+            array(array( 2,  0), array( 3,  2), array( 4,  4), array( 4,  4)),
+            array(array( 2,  2), array( 4,  1), array( 6,  2), array( 6,  2)), //10
+            array(array( 4,  0), array( 1,  4), array( 4,  4), array( 3,  8)),
+            array(array( 2,  2), array( 6,  2), array( 4,  6), array( 7,  4)),
+            array(array( 4,  0), array( 8,  1), array( 8,  4), array(12,  4)),
+            array(array( 3,  1), array( 4,  5), array(11,  5), array(11,  5)),
+            array(array( 5,  1), array( 5,  5), array( 5,  7), array(11,  7)), //15
+            array(array( 5,  1), array( 7,  3), array(15,  2), array( 3, 13)),
+            array(array( 1,  5), array(10,  1), array( 1, 15), array( 2, 17)),
+            array(array( 5,  1), array( 9,  4), array(17,  1), array( 2, 19)),
+            array(array( 3,  4), array( 3, 11), array(17,  4), array( 9, 16)),
+            array(array( 3,  5), array( 3, 13), array(15,  5), array(15, 10)), //20
+            array(array( 4,  4), array(17,  0), array(17,  6), array(19,  6)),
+            array(array( 2,  7), array(17,  0), array( 7, 16), array(34,  0)),
+            array(array( 4,  5), array( 4, 14), array(11, 14), array(16, 14)),
+            array(array( 6,  4), array( 6, 14), array(11, 16), array(30,  2)),
+            array(array( 8,  4), array( 8, 13), array( 7, 22), array(22, 13)), //25
+            array(array(10,  2), array(19,  4), array(28,  6), array(33,  4)),
+            array(array( 8,  4), array(22,  3), array( 8, 26), array(12, 28)),
+            array(array( 3, 10), array( 3, 23), array( 4, 31), array(11, 31)),
+            array(array( 7,  7), array(21,  7), array( 1, 37), array(19, 26)),
+            array(array( 5, 10), array(19, 10), array(15, 25), array(23, 25)), //30
+            array(array(13,  3), array( 2, 29), array(42,  1), array(23, 28)),
+            array(array(17,  0), array(10, 23), array(10, 35), array(19, 35)),
+            array(array(17,  1), array(14, 21), array(29, 19), array(11, 46)),
+            array(array(13,  6), array(14, 23), array(44,  7), array(59,  1)),
+            array(array(12,  7), array(12, 26), array(39, 14), array(22, 41)), //35
+            array(array( 6, 14), array( 6, 34), array(46, 10), array( 2, 64)),
+            array(array(17,  4), array(29, 14), array(49, 10), array(24, 46)),
+            array(array( 4, 18), array(13, 32), array(48, 14), array(42, 32)),
+            array(array(20,  4), array(40,  7), array(43, 22), array(10, 67)),
+            array(array(19,  6), array(18, 31), array(34, 34), array(20, 61)),//40
+        );                                                                       
+
+        //----------------------------------------------------------------------
+        // CACHEABLE!!!
+        
+        public static function getEccSpec($version, $level, array &$spec)
+        {
+            if (count($spec) < 5) {
+                $spec = array(0,0,0,0,0);
+            }
+
+            $b1   = self::$eccTable[$version][$level][0];
+            $b2   = self::$eccTable[$version][$level][1];
+            $data = self::getDataLength($version, $level);
+            $ecc  = self::getECCLength($version, $level);
+
+            if($b2 == 0) {
+                $spec[0] = $b1;
+                $spec[1] = (int)($data / $b1);
+                $spec[2] = (int)($ecc / $b1);
+                $spec[3] = 0; 
+                $spec[4] = 0;
+            } else {
+                $spec[0] = $b1;
+                $spec[1] = (int)($data / ($b1 + $b2));
+                $spec[2] = (int)($ecc  / ($b1 + $b2));
+                $spec[3] = $b2;
+                $spec[4] = $spec[1] + 1;
+            }
+        }
+
+        // Alignment pattern ---------------------------------------------------
+
+        // Positions of alignment patterns.
+        // This array includes only the second and the third position of the 
+        // alignment patterns. Rest of them can be calculated from the distance 
+        // between them.
+         
+        // See Table 1 in Appendix E (pp.71) of JIS X0510:2004.
+         
+        public static $alignmentPattern = array(      
+            array( 0,  0),
+            array( 0,  0), array(18,  0), array(22,  0), array(26,  0), array(30,  0), // 1- 5
+            array(34,  0), array(22, 38), array(24, 42), array(26, 46), array(28, 50), // 6-10
+            array(30, 54), array(32, 58), array(34, 62), array(26, 46), array(26, 48), //11-15
+            array(26, 50), array(30, 54), array(30, 56), array(30, 58), array(34, 62), //16-20
+            array(28, 50), array(26, 50), array(30, 54), array(28, 54), array(32, 58), //21-25
+            array(30, 58), array(34, 62), array(26, 50), array(30, 54), array(26, 52), //26-30
+            array(30, 56), array(34, 60), array(30, 58), array(34, 62), array(30, 54), //31-35
+            array(24, 50), array(28, 54), array(32, 58), array(26, 54), array(30, 58), //35-40
+        );                                                                                  
+
+        
+        /** --------------------------------------------------------------------
+         * Put an alignment marker.
+         * @param frame
+         * @param width
+         * @param ox,oy center coordinate of the pattern
+         */
+        public static function putAlignmentMarker(array &$frame, $ox, $oy)
+        {
+            $finder = array(
+                "\xa1\xa1\xa1\xa1\xa1",
+                "\xa1\xa0\xa0\xa0\xa1",
+                "\xa1\xa0\xa1\xa0\xa1",
+                "\xa1\xa0\xa0\xa0\xa1",
+                "\xa1\xa1\xa1\xa1\xa1"
+            );                        
+            
+            $yStart = $oy-2;         
+            $xStart = $ox-2;
+            
+            for($y=0; $y<5; $y++) {
+                QRstr::set($frame, $xStart, $yStart+$y, $finder[$y]);
+            }
+        }
+
+        //----------------------------------------------------------------------
+        public static function putAlignmentPattern($version, &$frame, $width)
+        {
+            if($version < 2)
+                return;
+
+            $d = self::$alignmentPattern[$version][1] - self::$alignmentPattern[$version][0];
+            if($d < 0) {
+                $w = 2;
+            } else {
+                $w = (int)(($width - self::$alignmentPattern[$version][0]) / $d + 2);
+            }
+
+            if($w * $w - 3 == 1) {
+                $x = self::$alignmentPattern[$version][0];
+                $y = self::$alignmentPattern[$version][0];
+                self::putAlignmentMarker($frame, $x, $y);
+                return;
+            }
+
+            $cx = self::$alignmentPattern[$version][0];
+            for($x=1; $x<$w - 1; $x++) {
+                self::putAlignmentMarker($frame, 6, $cx);
+                self::putAlignmentMarker($frame, $cx,  6);
+                $cx += $d;
+            }
+
+            $cy = self::$alignmentPattern[$version][0];
+            for($y=0; $y<$w-1; $y++) {
+                $cx = self::$alignmentPattern[$version][0];
+                for($x=0; $x<$w-1; $x++) {
+                    self::putAlignmentMarker($frame, $cx, $cy);
+                    $cx += $d;
+                }
+                $cy += $d;
+            }
+        }
+
+        // Version information pattern -----------------------------------------
+
+		// Version information pattern (BCH coded).
+        // See Table 1 in Appendix D (pp.68) of JIS X0510:2004.
+        
+		// size: [QRSPEC_VERSION_MAX - 6]
+		
+        public static $versionPattern = array(
+            0x07c94, 0x085bc, 0x09a99, 0x0a4d3, 0x0bbf6, 0x0c762, 0x0d847, 0x0e60d,
+            0x0f928, 0x10b78, 0x1145d, 0x12a17, 0x13532, 0x149a6, 0x15683, 0x168c9,
+            0x177ec, 0x18ec4, 0x191e1, 0x1afab, 0x1b08e, 0x1cc1a, 0x1d33f, 0x1ed75,
+            0x1f250, 0x209d5, 0x216f0, 0x228ba, 0x2379f, 0x24b0b, 0x2542e, 0x26a64,
+            0x27541, 0x28c69
+        );
+
+        //----------------------------------------------------------------------
+        public static function getVersionPattern($version)
+        {
+            if($version < 7 || $version > QRSPEC_VERSION_MAX)
+                return 0;
+
+            return self::$versionPattern[$version -7];
+        }
+
+        // Format information --------------------------------------------------
+        // See calcFormatInfo in tests/test_qrspec.c (orginal qrencode c lib)
+        
+        public static $formatInfo = array(
+            array(0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976),
+            array(0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0),
+            array(0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed),
+            array(0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b)
+        );
+
+        public static function getFormatInfo($mask, $level)
+        {
+            if($mask < 0 || $mask > 7)
+                return 0;
+                
+            if($level < 0 || $level > 3)
+                return 0;                
+
+            return self::$formatInfo[$level][$mask];
+        }
+
+        // Frame ---------------------------------------------------------------
+        // Cache of initial frames.
+         
+        public static $frames = array();
+
+        /** --------------------------------------------------------------------
+         * Put a finder pattern.
+         * @param frame
+         * @param width
+         * @param ox,oy upper-left coordinate of the pattern
+         */
+        public static function putFinderPattern(&$frame, $ox, $oy)
+        {
+            $finder = array(
+                "\xc1\xc1\xc1\xc1\xc1\xc1\xc1",
+                "\xc1\xc0\xc0\xc0\xc0\xc0\xc1",
+                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
+                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
+                "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
+                "\xc1\xc0\xc0\xc0\xc0\xc0\xc1",
+                "\xc1\xc1\xc1\xc1\xc1\xc1\xc1"
+            );                            
+            
+            for($y=0; $y<7; $y++) {
+                QRstr::set($frame, $ox, $oy+$y, $finder[$y]);
+            }
+        }
+
+        //----------------------------------------------------------------------
+        public static function createFrame($version)
+        {
+            $width = self::$capacity[$version][QRCAP_WIDTH];
+            $frameLine = str_repeat ("\0", $width);
+            $frame = array_fill(0, $width, $frameLine);
+
+            // Finder pattern
+            self::putFinderPattern($frame, 0, 0);
+            self::putFinderPattern($frame, $width - 7, 0);
+            self::putFinderPattern($frame, 0, $width - 7);
+            
+            // Separator
+            $yOffset = $width - 7;
+            
+            for($y=0; $y<7; $y++) {
+                $frame[$y][7] = "\xc0";
+                $frame[$y][$width - 8] = "\xc0";
+                $frame[$yOffset][7] = "\xc0";
+                $yOffset++;
+            }
+            
+            $setPattern = str_repeat("\xc0", 8);
+            
+            QRstr::set($frame, 0, 7, $setPattern);
+            QRstr::set($frame, $width-8, 7, $setPattern);
+            QRstr::set($frame, 0, $width - 8, $setPattern);
+        
+            // Format info
+            $setPattern = str_repeat("\x84", 9);
+            QRstr::set($frame, 0, 8, $setPattern);
+            QRstr::set($frame, $width - 8, 8, $setPattern, 8);
+            
+            $yOffset = $width - 8;
+
+            for($y=0; $y<8; $y++,$yOffset++) {
+                $frame[$y][8] = "\x84";
+                $frame[$yOffset][8] = "\x84";
+            }
+
+            // Timing pattern  
+            
+            for($i=1; $i<$width-15; $i++) {
+                $frame[6][7+$i] = chr(0x90 | ($i & 1));
+                $frame[7+$i][6] = chr(0x90 | ($i & 1));
+            }
+            
+            // Alignment pattern  
+            self::putAlignmentPattern($version, $frame, $width);
+            
+            // Version information 
+            if($version >= 7) {
+                $vinf = self::getVersionPattern($version);
+
+                $v = $vinf;
+                
+                for($x=0; $x<6; $x++) {
+                    for($y=0; $y<3; $y++) {
+                        $frame[($width - 11)+$y][$x] = chr(0x88 | ($v & 1));
+                        $v = $v >> 1;
+                    }
+                }
+
+                $v = $vinf;
+                for($y=0; $y<6; $y++) {
+                    for($x=0; $x<3; $x++) {
+                        $frame[$y][$x+($width - 11)] = chr(0x88 | ($v & 1));
+                        $v = $v >> 1;
+                    }
+                }
+            }
+    
+            // and a little bit...  
+            $frame[$width - 8][8] = "\x81";
+            
+            return $frame;
+        }
+
+        //----------------------------------------------------------------------
+        public static function debug($frame, $binary_mode = false)
+        {
+            if ($binary_mode) {
+            
+                    foreach ($frame as &$frameLine) {
+                        $frameLine = join('<span class="m">&nbsp;&nbsp;</span>', explode('0', $frameLine));
+                        $frameLine = join('&#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("\0", $frameLine));
+                }
+                
+                ?>
+                <style>
+                    .p { background-color: yellow; }
+                    .m { background-color: #00FF00; }
+                    .s { background-color: #FF0000; }
+                    .c { background-color: aqua; }
+                    .x { background-color: pink; }
+                    .f { background-color: gold; }
+                </style>
+                <?php
+                echo "<pre><tt>";
+                echo join("<br/ >", $frame);
+                echo "</tt></pre>";
+            
+            }
+        }
+
+        //----------------------------------------------------------------------
+        public static function serial($frame)
+        {
+            return gzcompress(join("\n", $frame), 9);
+        }
+        
+        //----------------------------------------------------------------------
+        public static function unserial($code)
+        {
+            return explode("\n", gzuncompress($code));
+        }
+        
+        //----------------------------------------------------------------------
+        public static function newFrame($version)
+        {
+            if($version < 1 || $version > QRSPEC_VERSION_MAX) 
+                return null;
+
+            if(!isset(self::$frames[$version])) {
+                
+                $fileName = QR_CACHE_DIR.'frame_'.$version.'.dat';
+                
+                if (QR_CACHEABLE) {
+                    if (file_exists($fileName)) {
+                        self::$frames[$version] = self::unserial(file_get_contents($fileName));
+                    } else {
+                        self::$frames[$version] = self::createFrame($version);
+                        file_put_contents($fileName, self::serial(self::$frames[$version]));
+                    }
+                } else {
+                    self::$frames[$version] = self::createFrame($version);
+                }
+            }
+            
+            if(is_null(self::$frames[$version]))
+                return null;
+
+            return self::$frames[$version];
+        }
+
+        //----------------------------------------------------------------------
+        public static function rsBlockNum($spec)     { return $spec[0] + $spec[3]; }
+        public static function rsBlockNum1($spec)    { return $spec[0]; }
+        public static function rsDataCodes1($spec)   { return $spec[1]; }
+        public static function rsEccCodes1($spec)    { return $spec[2]; }
+        public static function rsBlockNum2($spec)    { return $spec[3]; }
+        public static function rsDataCodes2($spec)   { return $spec[4]; }
+        public static function rsEccCodes2($spec)    { return $spec[2]; }
+        public static function rsDataLength($spec)   { return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]);    }
+        public static function rsEccLength($spec)    { return ($spec[0] + $spec[3]) * $spec[2]; }
+        
+    }
+
+
+
+//---- qrimage.php -----------------------------
+
+
+
+
+/*
+ * PHP QR Code encoder
+ *
+ * Image output of code using GD2
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+ 
+    define('QR_IMAGE', true);
+
+    class QRimage {
+    
+        //----------------------------------------------------------------------
+        public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE) 
+        {
+            $image = self::image($frame, $pixelPerPoint, $outerFrame);
+            
+            if ($filename === false) {
+                Header("Content-type: image/png");
+                ImagePng($image);
+            } else {
+                if($saveandprint===TRUE){
+                    ImagePng($image, $filename);
+                    header("Content-type: image/png");
+                    ImagePng($image);
+                }else{
+                    ImagePng($image, $filename);
+                }
+            }
+            
+            ImageDestroy($image);
+        }
+    
+        //----------------------------------------------------------------------
+        public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85) 
+        {
+            $image = self::image($frame, $pixelPerPoint, $outerFrame);
+            
+            if ($filename === false) {
+                Header("Content-type: image/jpeg");
+                ImageJpeg($image, null, $q);
+            } else {
+                ImageJpeg($image, $filename, $q);            
+            }
+            
+            ImageDestroy($image);
+        }
+    
+        //----------------------------------------------------------------------
+        private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4) 
+        {
+            $h = count($frame);
+            $w = strlen($frame[0]);
+            
+            $imgW = $w + 2*$outerFrame;
+            $imgH = $h + 2*$outerFrame;
+            
+            $base_image =ImageCreate($imgW, $imgH);
+            
+            $col[0] = ImageColorAllocate($base_image,255,255,255);
+            $col[1] = ImageColorAllocate($base_image,0,0,0);
+
+            imagefill($base_image, 0, 0, $col[0]);
+
+            for($y=0; $y<$h; $y++) {
+                for($x=0; $x<$w; $x++) {
+                    if ($frame[$y][$x] == '1') {
+                        ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]); 
+                    }
+                }
+            }
+            
+            $target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
+            ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);
+            ImageDestroy($base_image);
+            
+            return $target_image;
+        }
+    }
+
+
+
+//---- qrinput.php -----------------------------
+
+
+
+
+/*
+ * PHP QR Code encoder
+ *
+ * Input encoding class
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+ 
+    define('STRUCTURE_HEADER_BITS',  20);
+    define('MAX_STRUCTURED_SYMBOLS', 16);
+
+    class QRinputItem {
+    
+        public $mode;
+        public $size;
+        public $data;
+        public $bstream;
+
+        public function __construct($mode, $size, $data, $bstream = null) 
+        {
+            $setData = array_slice($data, 0, $size);
+            
+            if (count($setData) < $size) {
+                $setData = array_merge($setData, array_fill(0,$size-count($setData),0));
+            }
+        
+            if(!QRinput::check($mode, $size, $setData)) {
+                throw new Exception('Error m:'.$mode.',s:'.$size.',d:'.join(',',$setData));
+                return null;
+            }
+            
+            $this->mode = $mode;
+            $this->size = $size;
+            $this->data = $setData;
+            $this->bstream = $bstream;
+        }
+        
+        //----------------------------------------------------------------------
+        public function encodeModeNum($version)
+        {
+            try {
+            
+                $words = (int)($this->size / 3);
+                $bs = new QRbitstream();
+                
+                $val = 0x1;
+                $bs->appendNum(4, $val);
+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_NUM, $version), $this->size);
+
+                for($i=0; $i<$words; $i++) {
+                    $val  = (ord($this->data[$i*3  ]) - ord('0')) * 100;
+                    $val += (ord($this->data[$i*3+1]) - ord('0')) * 10;
+                    $val += (ord($this->data[$i*3+2]) - ord('0'));
+                    $bs->appendNum(10, $val);
+                }
+
+                if($this->size - $words * 3 == 1) {
+                    $val = ord($this->data[$words*3]) - ord('0');
+                    $bs->appendNum(4, $val);
+                } else if($this->size - $words * 3 == 2) {
+                    $val  = (ord($this->data[$words*3  ]) - ord('0')) * 10;
+                    $val += (ord($this->data[$words*3+1]) - ord('0'));
+                    $bs->appendNum(7, $val);
+                }
+
+                $this->bstream = $bs;
+                return 0;
+                
+            } catch (Exception $e) {
+                return -1;
+            }
+        }
+        
+        //----------------------------------------------------------------------
+        public function encodeModeAn($version)
+        {
+            try {
+                $words = (int)($this->size / 2);
+                $bs = new QRbitstream();
+                
+                $bs->appendNum(4, 0x02);
+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_AN, $version), $this->size);
+
+                for($i=0; $i<$words; $i++) {
+                    $val  = (int)QRinput::lookAnTable(ord($this->data[$i*2  ])) * 45;
+                    $val += (int)QRinput::lookAnTable(ord($this->data[$i*2+1]));
+
+                    $bs->appendNum(11, $val);
+                }
+
+                if($this->size & 1) {
+                    $val = QRinput::lookAnTable(ord($this->data[$words * 2]));
+                    $bs->appendNum(6, $val);
+                }
+        
+                $this->bstream = $bs;
+                return 0;
+            
+            } catch (Exception $e) {
+                return -1;
+            }
+        }
+        
+        //----------------------------------------------------------------------
+        public function encodeMode8($version)
+        {
+            try {
+                $bs = new QRbitstream();
+
+                $bs->appendNum(4, 0x4);
+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_8, $version), $this->size);
+
+                for($i=0; $i<$this->size; $i++) {
+                    $bs->appendNum(8, ord($this->data[$i]));
+                }
+
+                $this->bstream = $bs;
+                return 0;
+            
+            } catch (Exception $e) {
+                return -1;
+            }
+        }
+        
+        //----------------------------------------------------------------------
+        public function encodeModeKanji($version)
+        {
+            try {
+
+                $bs = new QRbitrtream();
+                
+                $bs->appendNum(4, 0x8);
+                $bs->appendNum(QRspec::lengthIndicator(QR_MODE_KANJI, $version), (int)($this->size / 2));
+
+                for($i=0; $i<$this->size; $i+=2) {
+                    $val = (ord($this->data[$i]) << 8) | ord($this->data[$i+1]);
+                    if($val <= 0x9ffc) {
+                        $val -= 0x8140;
+                    } else {
+                        $val -= 0xc140;
+                    }
+                    
+                    $h = ($val >> 8) * 0xc0;
+                    $val = ($val & 0xff) + $h;
+
+                    $bs->appendNum(13, $val);
+                }
+
+                $this->bstream = $bs;
+                return 0;
+            
+            } catch (Exception $e) {
+                return -1;
+            }
+        }
+
+        //----------------------------------------------------------------------
+        public function encodeModeStructure()
+        {
+            try {
+                $bs =  new QRbitstream();
+                
+                $bs->appendNum(4, 0x03);
+                $bs->appendNum(4, ord($this->data[1]) - 1);
+                $bs->appendNum(4, ord($this->data[0]) - 1);
+                $bs->appendNum(8, ord($this->data[2]));
+
+                $this->bstream = $bs;
+                return 0;
+            
+            } catch (Exception $e) {
+                return -1;
+            }
+        }
+        
+        //----------------------------------------------------------------------
+        public function estimateBitStreamSizeOfEntry($version)
+        {
+            $bits = 0;
+
+            if($version == 0) 
+                $version = 1;
+
+            switch($this->mode) {
+                case QR_MODE_NUM:        $bits = QRinput::estimateBitsModeNum($this->size);    break;
+                case QR_MODE_AN:        $bits = QRinput::estimateBitsModeAn($this->size);    break;
+                case QR_MODE_8:            $bits = QRinput::estimateBitsMode8($this->size);    break;
+                case QR_MODE_KANJI:        $bits = QRinput::estimateBitsModeKanji($this->size);break;
+                case QR_MODE_STRUCTURE:    return STRUCTURE_HEADER_BITS;            
+                default:
+                    return 0;
+            }
+
+            $l = QRspec::lengthIndicator($this->mode, $version);
+            $m = 1 << $l;
+            $num = (int)(($this->size + $m - 1) / $m);
+
+            $bits += $num * (4 + $l);
+
+            return $bits;
+        }
+        
+        //----------------------------------------------------------------------
+        public function encodeBitStream($version)
+        {
+            try {
+            
+                unset($this->bstream);
+                $words = QRspec::maximumWords($this->mode, $version);
+                
+                if($this->size > $words) {
+                
+                    $st1 = new QRinputItem($this->mode, $words, $this->data);
+                    $st2 = new QRinputItem($this->mode, $this->size - $words, array_slice($this->data, $words));
+
+                    $st1->encodeBitStream($version);
+                    $st2->encodeBitStream($version);
+                    
+                    $this->bstream = new QRbitstream();
+                    $this->bstream->append($st1->bstream);
+                    $this->bstream->append($st2->bstream);
+                    
+                    unset($st1);
+                    unset($st2);
+                    
+                } else {
+                    
+                    $ret = 0;
+                    
+                    switch($this->mode) {
+                        case QR_MODE_NUM:        $ret = $this->encodeModeNum($version);    break;
+                        case QR_MODE_AN:        $ret = $this->encodeModeAn($version);    break;
+                        case QR_MODE_8:            $ret = $this->encodeMode8($version);    break;
+                        case QR_MODE_KANJI:        $ret = $this->encodeModeKanji($version);break;
+                        case QR_MODE_STRUCTURE:    $ret = $this->encodeModeStructure();    break;
+                        
+                        default:
+                            break;
+                    }
+                    
+                    if($ret < 0)
+                        return -1;
+                }
+
+                return $this->bstream->size();
+            
+            } catch (Exception $e) {
+                return -1;
+            }
+        }
+    };
+    
+    //##########################################################################
+
+    class QRinput {
+
+        public $items;
+        
+        private $version;
+        private $level;
+        
+        //----------------------------------------------------------------------
+        public function __construct($version = 0, $level = QR_ECLEVEL_L)
+        {
+            if ($version < 0 || $version > QRSPEC_VERSION_MAX || $level > QR_ECLEVEL_H) {
+                throw new Exception('Invalid version no');
+                return NULL;
+            }
+            
+            $this->version = $version;
+            $this->level = $level;
+        }
+        
+        //----------------------------------------------------------------------
+        public function getVersion()
+        {
+            return $this->version;
+        }
+        
+        //----------------------------------------------------------------------
+        public function setVersion($version)
+        {
+            if($version < 0 || $version > QRSPEC_VERSION_MAX) {
+                throw new Exception('Invalid version no');
+                return -1;
+            }
+
+            $this->version = $version;
+
+            return 0;
+        }
+        
+        //----------------------------------------------------------------------
+        public function getErrorCorrectionLevel()
+        {
+            return $this->level;
+        }
+
+        //----------------------------------------------------------------------
+        public function setErrorCorrectionLevel($level)
+        {
+            if($level > QR_ECLEVEL_H) {
+                throw new Exception('Invalid ECLEVEL');
+                return -1;
+            }
+
+            $this->level = $level;
+
+            return 0;
+        }
+        
+        //----------------------------------------------------------------------
+        public function appendEntry(QRinputItem $entry)
+        {
+            $this->items[] = $entry;
+        }
+        
+        //----------------------------------------------------------------------
+        public function append($mode, $size, $data)
+        {
+            try {
+                $entry = new QRinputItem($mode, $size, $data);
+                $this->items[] = $entry;
+                return 0;
+            } catch (Exception $e) {
+                return -1;
+            }
+        }
+        
+        //----------------------------------------------------------------------
+        
+        public function insertStructuredAppendHeader($size, $index, $parity)
+        {
+            if( $size > MAX_STRUCTURED_SYMBOLS ) {
+                throw new Exception('insertStructuredAppendHeader wrong size');
+            }
+            
+            if( $index <= 0 || $index > MAX_STRUCTURED_SYMBOLS ) {
+                throw new Exception('insertStructuredAppendHeader wrong index');
+            }
+
+            $buf = array($size, $index, $parity);
+            
+            try {
+                $entry = new QRinputItem(QR_MODE_STRUCTURE, 3, buf);
+                array_unshift($this->items, $entry);
+                return 0;
+            } catch (Exception $e) {
+                return -1;
+            }
+        }
+
+        //----------------------------------------------------------------------
+        public function calcParity()
+        {
+            $parity = 0;
+            
+            foreach($this->items as $item) {
+                if($item->mode != QR_MODE_STRUCTURE) {
+                    for($i=$item->size-1; $i>=0; $i--) {
+                        $parity ^= $item->data[$i];
+                    }
+                }
+            }
+
+            return $parity;
+        }
+        
+        //----------------------------------------------------------------------
+        public static function checkModeNum($size, $data)
+        {
+            for($i=0; $i<$size; $i++) {
+                if((ord($data[$i]) < ord('0')) || (ord($data[$i]) > ord('9'))){
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        //----------------------------------------------------------------------
+        public static function estimateBitsModeNum($size)
+        {
+            $w = (int)$size / 3;
+            $bits = $w * 10;
+            
+            switch($size - $w * 3) {
+                case 1:
+                    $bits += 4;
+                    break;
+                case 2:
+                    $bits += 7;
+                    break;
+                default:
+                    break;
+            }
+
+            return $bits;
+        }
+        
+        //----------------------------------------------------------------------
+        public static $anTable = array(
+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+            36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43,
+             0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 44, -1, -1, -1, -1, -1,
+            -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+            25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1,
+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+            -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+        );
+        
+        //----------------------------------------------------------------------
+        public static function lookAnTable($c)
+        {
+            return (($c > 127)?-1:self::$anTable[$c]);
+        }
+        
+        //----------------------------------------------------------------------
+        public static function checkModeAn($size, $data)
+        {
+            for($i=0; $i<$size; $i++) {
+                if (self::lookAnTable(ord($data[$i])) == -1) {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+        
+        //----------------------------------------------------------------------
+        public static function estimateBitsModeAn($size)
+        {
+            $w = (int)($size / 2);
+            $bits = $w * 11;
+            
+            if($size & 1) {
+                $bits += 6;
+            }
+
+            return $bits;
+        }
+    
+        //----------------------------------------------------------------------
+        public static function estimateBitsMode8($size)
+        {
+            return $size * 8;
+        }
+        
+        //----------------------------------------------------------------------
+        public function estimateBitsModeKanji($size)
+        {
+            return (int)(($size / 2) * 13);
+        }
+        
+        //----------------------------------------------------------------------
+        public static function checkModeKanji($size, $data)
+        {
+            if($size & 1)
+                return false;
+
+            for($i=0; $i<$size; $i+=2) {
+                $val = (ord($data[$i]) << 8) | ord($data[$i+1]);
+                if( $val < 0x8140 
+                || ($val > 0x9ffc && $val < 0xe040) 
+                || $val > 0xebbf) {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        /***********************************************************************
+         * Validation
+         **********************************************************************/
+
+        public static function check($mode, $size, $data)
+        {
+            if($size <= 0) 
+                return false;
+
+            switch($mode) {
+                case QR_MODE_NUM:       return self::checkModeNum($size, $data);   break;
+                case QR_MODE_AN:        return self::checkModeAn($size, $data);    break;
+                case QR_MODE_KANJI:     return self::checkModeKanji($size, $data); break;
+                case QR_MODE_8:         return true; break;
+                case QR_MODE_STRUCTURE: return true; break;
+                
+                default:
+                    break;
+            }
+
+            return false;
+        }
+        
+        
+        //----------------------------------------------------------------------
+        public function estimateBitStreamSize($version)
+        {
+            $bits = 0;
+
+            foreach($this->items as $item) {
+                $bits += $item->estimateBitStreamSizeOfEntry($version);
+            }
+
+            return $bits;
+        }
+        
+        //----------------------------------------------------------------------
+        public function estimateVersion()
+        {
+            $version = 0;
+            $prev = 0;
+            do {
+                $prev = $version;
+                $bits = $this->estimateBitStreamSize($prev);
+                $version = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level);
+                if ($version < 0) {
+                    return -1;
+                }
+            } while ($version > $prev);
+
+            return $version;
+        }
+        
+        //----------------------------------------------------------------------
+        public static function lengthOfCode($mode, $version, $bits)
+        {
+            $payload = $bits - 4 - QRspec::lengthIndicator($mode, $version);
+            switch($mode) {
+                case QR_MODE_NUM:
+                    $chunks = (int)($payload / 10);
+                    $remain = $payload - $chunks * 10;
+                    $size = $chunks * 3;
+                    if($remain >= 7) {
+                        $size += 2;
+                    } else if($remain >= 4) {
+                        $size += 1;
+                    }
+                    break;
+                case QR_MODE_AN:
+                    $chunks = (int)($payload / 11);
+                    $remain = $payload - $chunks * 11;
+                    $size = $chunks * 2;
+                    if($remain >= 6) 
+                        $size++;
+                    break;
+                case QR_MODE_8:
+                    $size = (int)($payload / 8);
+                    break;
+                case QR_MODE_KANJI:
+                    $size = (int)(($payload / 13) * 2);
+                    break;
+                case QR_MODE_STRUCTURE:
+                    $size = (int)($payload / 8);
+                    break;
+                default:
+                    $size = 0;
+                    break;
+            }
+            
+            $maxsize = QRspec::maximumWords($mode, $version);
+            if($size < 0) $size = 0;
+            if($size > $maxsize) $size = $maxsize;
+
+            return $size;
+        }
+        
+        //----------------------------------------------------------------------
+        public function createBitStream()
+        {
+            $total = 0;
+
+            foreach($this->items as $item) {
+                $bits = $item->encodeBitStream($this->version);
+                
+                if($bits < 0) 
+                    return -1;
+                    
+                $total += $bits;
+            }
+
+            return $total;
+        }
+        
+        //----------------------------------------------------------------------
+        public function convertData()
+        {
+            $ver = $this->estimateVersion();
+            if($ver > $this->getVersion()) {
+                $this->setVersion($ver);
+            }
+
+            for(;;) {
+                $bits = $this->createBitStream();
+                
+                if($bits < 0) 
+                    return -1;
+                    
+                $ver = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level);
+                if($ver < 0) {
+                    throw new Exception('WRONG VERSION');
+                    return -1;
+                } else if($ver > $this->getVersion()) {
+                    $this->setVersion($ver);
+                } else {
+                    break;
+                }
+            }
+
+            return 0;
+        }
+        
+        //----------------------------------------------------------------------
+        public function appendPaddingBit(&$bstream)
+        {
+            $bits = $bstream->size();
+            $maxwords = QRspec::getDataLength($this->version, $this->level);
+            $maxbits = $maxwords * 8;
+
+            if ($maxbits == $bits) {
+                return 0;
+            }
+
+            if ($maxbits - $bits < 5) {
+                return $bstream->appendNum($maxbits - $bits, 0);
+            }
+
+            $bits += 4;
+            $words = (int)(($bits + 7) / 8);
+
+            $padding = new QRbitstream();
+            $ret = $padding->appendNum($words * 8 - $bits + 4, 0);
+            
+            if($ret < 0) 
+                return $ret;
+
+            $padlen = $maxwords - $words;
+            
+            if($padlen > 0) {
+                
+                $padbuf = array();
+                for($i=0; $i<$padlen; $i++) {
+                    $padbuf[$i] = ($i&1)?0x11:0xec;
+                }
+                
+                $ret = $padding->appendBytes($padlen, $padbuf);
+                
+                if($ret < 0)
+                    return $ret;
+                
+            }
+
+            $ret = $bstream->append($padding);
+            
+            return $ret;
+        }
+
+        //----------------------------------------------------------------------
+        public function mergeBitStream()
+        {
+            if($this->convertData() < 0) {
+                return null;
+            }
+
+            $bstream = new QRbitstream();
+            
+            foreach($this->items as $item) {
+                $ret = $bstream->append($item->bstream);
+                if($ret < 0) {
+                    return null;
+                }
+            }
+
+            return $bstream;
+        }
+
+        //----------------------------------------------------------------------
+        public function getBitStream()
+        {
+
+            $bstream = $this->mergeBitStream();
+            
+            if($bstream == null) {
+                return null;
+            }
+            
+            $ret = $this->appendPaddingBit($bstream);
+            if($ret < 0) {
+                return null;
+            }
+
+            return $bstream;
+        }
+        
+        //----------------------------------------------------------------------
+        public function getByteStream()
+        {
+            $bstream = $this->getBitStream();
+            if($bstream == null) {
+                return null;
+            }
+            
+            return $bstream->toByte();
+        }
+    }
+        
+        
+    
+
+
+
+//---- qrbitstream.php -----------------------------
+
+
+
+
+/*
+ * PHP QR Code encoder
+ *
+ * Bitstream class
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+     
+    class QRbitstream {
+    
+        public $data = array();
+        
+        //----------------------------------------------------------------------
+        public function size()
+        {
+            return count($this->data);
+        }
+        
+        //----------------------------------------------------------------------
+        public function allocate($setLength)
+        {
+            $this->data = array_fill(0, $setLength, 0);
+            return 0;
+        }
+    
+        //----------------------------------------------------------------------
+        public static function newFromNum($bits, $num)
+        {
+            $bstream = new QRbitstream();
+            $bstream->allocate($bits);
+            
+            $mask = 1 << ($bits - 1);
+            for($i=0; $i<$bits; $i++) {
+                if($num & $mask) {
+                    $bstream->data[$i] = 1;
+                } else {
+                    $bstream->data[$i] = 0;
+                }
+                $mask = $mask >> 1;
+            }
+
+            return $bstream;
+        }
+        
+        //----------------------------------------------------------------------
+        public static function newFromBytes($size, $data)
+        {
+            $bstream = new QRbitstream();
+            $bstream->allocate($size * 8);
+            $p=0;
+
+            for($i=0; $i<$size; $i++) {
+                $mask = 0x80;
+                for($j=0; $j<8; $j++) {
+                    if($data[$i] & $mask) {
+                        $bstream->data[$p] = 1;
+                    } else {
+                        $bstream->data[$p] = 0;
+                    }
+                    $p++;
+                    $mask = $mask >> 1;
+                }
+            }
+
+            return $bstream;
+        }
+        
+        //----------------------------------------------------------------------
+        public function append(QRbitstream $arg)
+        {
+            if (is_null($arg)) {
+                return -1;
+            }
+            
+            if($arg->size() == 0) {
+                return 0;
+            }
+            
+            if($this->size() == 0) {
+                $this->data = $arg->data;
+                return 0;
+            }
+            
+            $this->data = array_values(array_merge($this->data, $arg->data));
+
+            return 0;
+        }
+        
+        //----------------------------------------------------------------------
+        public function appendNum($bits, $num)
+        {
+            if ($bits == 0) 
+                return 0;
+
+            $b = QRbitstream::newFromNum($bits, $num);
+            
+            if(is_null($b))
+                return -1;
+
+            $ret = $this->append($b);
+            unset($b);
+
+            return $ret;
+        }
+
+        //----------------------------------------------------------------------
+        public function appendBytes($size, $data)
+        {
+            if ($size == 0) 
+                return 0;
+
+            $b = QRbitstream::newFromBytes($size, $data);
+            
+            if(is_null($b))
+                return -1;
+
+            $ret = $this->append($b);
+            unset($b);
+
+            return $ret;
+        }
+        
+        //----------------------------------------------------------------------
+        public function toByte()
+        {
+        
+            $size = $this->size();
+
+            if($size == 0) {
+                return array();
+            }
+            
+            $data = array_fill(0, (int)(($size + 7) / 8), 0);
+            $bytes = (int)($size / 8);
+
+            $p = 0;
+            
+            for($i=0; $i<$bytes; $i++) {
+                $v = 0;
+                for($j=0; $j<8; $j++) {
+                    $v = $v << 1;
+                    $v |= $this->data[$p];
+                    $p++;
+                }
+                $data[$i] = $v;
+            }
+            
+            if($size & 7) {
+                $v = 0;
+                for($j=0; $j<($size & 7); $j++) {
+                    $v = $v << 1;
+                    $v |= $this->data[$p];
+                    $p++;
+                }
+                $data[$bytes] = $v;
+            }
+
+            return $data;
+        }
+
+    }
+
+
+
+
+//---- qrsplit.php -----------------------------
+
+
+
+
+/*
+ * PHP QR Code encoder
+ *
+ * Input splitting classes
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * The following data / specifications are taken from
+ * "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)
+ *  or
+ * "Automatic identification and data capture techniques -- 
+ *  QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+    class QRsplit {
+
+        public $dataStr = '';
+        public $input;
+        public $modeHint;
+
+        //----------------------------------------------------------------------
+        public function __construct($dataStr, $input, $modeHint) 
+        {
+            $this->dataStr  = $dataStr;
+            $this->input    = $input;
+            $this->modeHint = $modeHint;
+        }
+        
+        //----------------------------------------------------------------------
+        public static function isdigitat($str, $pos)
+        {    
+            if ($pos >= strlen($str))
+                return false;
+            
+            return ((ord($str[$pos]) >= ord('0'))&&(ord($str[$pos]) <= ord('9')));
+        }
+        
+        //----------------------------------------------------------------------
+        public static function isalnumat($str, $pos)
+        {
+            if ($pos >= strlen($str))
+                return false;
+                
+            return (QRinput::lookAnTable(ord($str[$pos])) >= 0);
+        }
+
+        //----------------------------------------------------------------------
+        public function identifyMode($pos)
+        {
+            if ($pos >= strlen($this->dataStr)) 
+                return QR_MODE_NUL;
+                
+            $c = $this->dataStr[$pos];
+            
+            if(self::isdigitat($this->dataStr, $pos)) {
+                return QR_MODE_NUM;
+            } else if(self::isalnumat($this->dataStr, $pos)) {
+                return QR_MODE_AN;
+            } else if($this->modeHint == QR_MODE_KANJI) {
+            
+                if ($pos+1 < strlen($this->dataStr)) 
+                {
+                    $d = $this->dataStr[$pos+1];
+                    $word = (ord($c) << 8) | ord($d);
+                    if(($word >= 0x8140 && $word <= 0x9ffc) || ($word >= 0xe040 && $word <= 0xebbf)) {
+                        return QR_MODE_KANJI;
+                    }
+                }
+            }
+
+            return QR_MODE_8;
+        } 
+        
+        //----------------------------------------------------------------------
+        public function eatNum()
+        {
+            $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());
+
+            $p = 0;
+            while(self::isdigitat($this->dataStr, $p)) {
+                $p++;
+            }
+            
+            $run = $p;
+            $mode = $this->identifyMode($p);
+            
+            if($mode == QR_MODE_8) {
+                $dif = QRinput::estimateBitsModeNum($run) + 4 + $ln
+                     + QRinput::estimateBitsMode8(1)         // + 4 + l8
+                     - QRinput::estimateBitsMode8($run + 1); // - 4 - l8
+                if($dif > 0) {
+                    return $this->eat8();
+                }
+            }
+            if($mode == QR_MODE_AN) {
+                $dif = QRinput::estimateBitsModeNum($run) + 4 + $ln
+                     + QRinput::estimateBitsModeAn(1)        // + 4 + la
+                     - QRinput::estimateBitsModeAn($run + 1);// - 4 - la
+                if($dif > 0) {
+                    return $this->eatAn();
+                }
+            }
+            
+            $ret = $this->input->append(QR_MODE_NUM, $run, str_split($this->dataStr));
+            if($ret < 0)
+                return -1;
+
+            return $run;
+        }
+        
+        //----------------------------------------------------------------------
+        public function eatAn()
+        {
+            $la = QRspec::lengthIndicator(QR_MODE_AN,  $this->input->getVersion());
+            $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());
+
+            $p = 0;
+            
+            while(self::isalnumat($this->dataStr, $p)) {
+                if(self::isdigitat($this->dataStr, $p)) {
+                    $q = $p;
+                    while(self::isdigitat($this->dataStr, $q)) {
+                        $q++;
+                    }
+                    
+                    $dif = QRinput::estimateBitsModeAn($p) // + 4 + la
+                         + QRinput::estimateBitsModeNum($q - $p) + 4 + $ln
+                         - QRinput::estimateBitsModeAn($q); // - 4 - la
+                         
+                    if($dif < 0) {
+                        break;
+                    } else {
+                        $p = $q;
+                    }
+                } else {
+                    $p++;
+                }
+            }
+
+            $run = $p;
+
+            if(!self::isalnumat($this->dataStr, $p)) {
+                $dif = QRinput::estimateBitsModeAn($run) + 4 + $la
+                     + QRinput::estimateBitsMode8(1) // + 4 + l8
+                      - QRinput::estimateBitsMode8($run + 1); // - 4 - l8
+                if($dif > 0) {
+                    return $this->eat8();
+                }
+            }
+
+            $ret = $this->input->append(QR_MODE_AN, $run, str_split($this->dataStr));
+            if($ret < 0)
+                return -1;
+
+            return $run;
+        }
+        
+        //----------------------------------------------------------------------
+        public function eatKanji()
+        {
+            $p = 0;
+            
+            while($this->identifyMode($p) == QR_MODE_KANJI) {
+                $p += 2;
+            }
+            
+            $ret = $this->input->append(QR_MODE_KANJI, $p, str_split($this->dataStr));
+            if($ret < 0)
+                return -1;
+
+            return $run;
+        }
+
+        //----------------------------------------------------------------------
+        public function eat8()
+        {
+            $la = QRspec::lengthIndicator(QR_MODE_AN, $this->input->getVersion());
+            $ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());
+
+            $p = 1;
+            $dataStrLen = strlen($this->dataStr);
+            
+            while($p < $dataStrLen) {
+                
+                $mode = $this->identifyMode($p);
+                if($mode == QR_MODE_KANJI) {
+                    break;
+                }
+                if($mode == QR_MODE_NUM) {
+                    $q = $p;
+                    while(self::isdigitat($this->dataStr, $q)) {
+                        $q++;
+                    }
+                    $dif = QRinput::estimateBitsMode8($p) // + 4 + l8
+                         + QRinput::estimateBitsModeNum($q - $p) + 4 + $ln
+                         - QRinput::estimateBitsMode8($q); // - 4 - l8
+                    if($dif < 0) {
+                        break;
+                    } else {
+                        $p = $q;
+                    }
+                } else if($mode == QR_MODE_AN) {
+                    $q = $p;
+                    while(self::isalnumat($this->dataStr, $q)) {
+                        $q++;
+                    }
+                    $dif = QRinput::estimateBitsMode8($p)  // + 4 + l8
+                         + QRinput::estimateBitsModeAn($q - $p) + 4 + $la
+                         - QRinput::estimateBitsMode8($q); // - 4 - l8
+                    if($dif < 0) {
+                        break;
+                    } else {
+                        $p = $q;
+                    }
+                } else {
+                    $p++;
+                }
+            }
+
+            $run = $p;
+            $ret = $this->input->append(QR_MODE_8, $run, str_split($this->dataStr));
+            
+            if($ret < 0)
+                return -1;
+
+            return $run;
+        }
+
+        //----------------------------------------------------------------------
+        public function splitString()
+        {
+            while (strlen($this->dataStr) > 0)
+            {
+                if($this->dataStr == '')
+                    return 0;
+
+                $mode = $this->identifyMode(0);
+                
+                switch ($mode) {
+                    case QR_MODE_NUM: $length = $this->eatNum(); break;
+                    case QR_MODE_AN:  $length = $this->eatAn(); break;
+                    case QR_MODE_KANJI:
+                        if ($hint == QR_MODE_KANJI)
+                                $length = $this->eatKanji();
+                        else    $length = $this->eat8();
+                        break;
+                    default: $length = $this->eat8(); break;
+                
+                }
+
+                if($length == 0) return 0;
+                if($length < 0)  return -1;
+                
+                $this->dataStr = substr($this->dataStr, $length);
+            }
+        }
+
+        //----------------------------------------------------------------------
+        public function toUpper()
+        {
+            $stringLen = strlen($this->dataStr);
+            $p = 0;
+            
+            while ($p<$stringLen) {
+                $mode = self::identifyMode(substr($this->dataStr, $p), $this->modeHint);
+                if($mode == QR_MODE_KANJI) {
+                    $p += 2;
+                } else {
+                    if (ord($this->dataStr[$p]) >= ord('a') && ord($this->dataStr[$p]) <= ord('z')) {
+                        $this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32);
+                    }
+                    $p++;
+                }
+            }
+
+            return $this->dataStr;
+        }
+
+        //----------------------------------------------------------------------
+        public static function splitStringToQRinput($string, QRinput $input, $modeHint, $casesensitive = true)
+        {
+            if(is_null($string) || $string == '\0' || $string == '') {
+                throw new Exception('empty string!!!');
+            }
+
+            $split = new QRsplit($string, $input, $modeHint);
+            
+            if(!$casesensitive)
+                $split->toUpper();
+                
+            return $split->splitString();
+        }
+    }
+
+
+
+//---- qrrscode.php -----------------------------
+
+
+
+
+/*
+ * PHP QR Code encoder
+ *
+ * Reed-Solomon error correction support
+ * 
+ * Copyright (C) 2002, 2003, 2004, 2006 Phil Karn, KA9Q
+ * (libfec is released under the GNU Lesser General Public License.)
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+ 
+    class QRrsItem {
+    
+        public $mm;                  // Bits per symbol 
+        public $nn;                  // Symbols per block (= (1<<mm)-1) 
+        public $alpha_to = array();  // log lookup table 
+        public $index_of = array();  // Antilog lookup table 
+        public $genpoly = array();   // Generator polynomial 
+        public $nroots;              // Number of generator roots = number of parity symbols 
+        public $fcr;                 // First consecutive root, index form 
+        public $prim;                // Primitive element, index form 
+        public $iprim;               // prim-th root of 1, index form 
+        public $pad;                 // Padding bytes in shortened block 
+        public $gfpoly;
+    
+        //----------------------------------------------------------------------
+        public function modnn($x)
+        {
+            while ($x >= $this->nn) {
+                $x -= $this->nn;
+                $x = ($x >> $this->mm) + ($x & $this->nn);
+            }
+            
+            return $x;
+        }
+        
+        //----------------------------------------------------------------------
+        public static function init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)
+        {
+            // Common code for intializing a Reed-Solomon control block (char or int symbols)
+            // Copyright 2004 Phil Karn, KA9Q
+            // May be used under the terms of the GNU Lesser General Public License (LGPL)
+
+            $rs = null;
+            
+            // Check parameter ranges
+            if($symsize < 0 || $symsize > 8)                     return $rs;
+            if($fcr < 0 || $fcr >= (1<<$symsize))                return $rs;
+            if($prim <= 0 || $prim >= (1<<$symsize))             return $rs;
+            if($nroots < 0 || $nroots >= (1<<$symsize))          return $rs; // Can't have more roots than symbol values!
+            if($pad < 0 || $pad >= ((1<<$symsize) -1 - $nroots)) return $rs; // Too much padding
+
+            $rs = new QRrsItem();
+            $rs->mm = $symsize;
+            $rs->nn = (1<<$symsize)-1;
+            $rs->pad = $pad;
+
+            $rs->alpha_to = array_fill(0, $rs->nn+1, 0);
+            $rs->index_of = array_fill(0, $rs->nn+1, 0);
+          
+            // PHP style macro replacement ;)
+            $NN =& $rs->nn;
+            $A0 =& $NN;
+            
+            // Generate Galois field lookup tables
+            $rs->index_of[0] = $A0; // log(zero) = -inf
+            $rs->alpha_to[$A0] = 0; // alpha**-inf = 0
+            $sr = 1;
+          
+            for($i=0; $i<$rs->nn; $i++) {
+                $rs->index_of[$sr] = $i;
+                $rs->alpha_to[$i] = $sr;
+                $sr <<= 1;
+                if($sr & (1<<$symsize)) {
+                    $sr ^= $gfpoly;
+                }
+                $sr &= $rs->nn;
+            }
+            
+            if($sr != 1){
+                // field generator polynomial is not primitive!
+                $rs = NULL;
+                return $rs;
+            }
+
+            /* Form RS code generator polynomial from its roots */
+            $rs->genpoly = array_fill(0, $nroots+1, 0);
+        
+            $rs->fcr = $fcr;
+            $rs->prim = $prim;
+            $rs->nroots = $nroots;
+            $rs->gfpoly = $gfpoly;
+
+            /* Find prim-th root of 1, used in decoding */
+            for($iprim=1;($iprim % $prim) != 0;$iprim += $rs->nn)
+            ; // intentional empty-body loop!
+            
+            $rs->iprim = (int)($iprim / $prim);
+            $rs->genpoly[0] = 1;
+            
+            for ($i = 0,$root=$fcr*$prim; $i < $nroots; $i++, $root += $prim) {
+                $rs->genpoly[$i+1] = 1;
+
+                // Multiply rs->genpoly[] by  @**(root + x)
+                for ($j = $i; $j > 0; $j--) {
+                    if ($rs->genpoly[$j] != 0) {
+                        $rs->genpoly[$j] = $rs->genpoly[$j-1] ^ $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[$j]] + $root)];
+                    } else {
+                        $rs->genpoly[$j] = $rs->genpoly[$j-1];
+                    }
+                }
+                // rs->genpoly[0] can never be zero
+                $rs->genpoly[0] = $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[0]] + $root)];
+            }
+            
+            // convert rs->genpoly[] to index form for quicker encoding
+            for ($i = 0; $i <= $nroots; $i++)
+                $rs->genpoly[$i] = $rs->index_of[$rs->genpoly[$i]];
+
+            return $rs;
+        }
+        
+        //----------------------------------------------------------------------
+        public function encode_rs_char($data, &$parity)
+        {
+            $MM       =& $this->mm;
+            $NN       =& $this->nn;
+            $ALPHA_TO =& $this->alpha_to;
+            $INDEX_OF =& $this->index_of;
+            $GENPOLY  =& $this->genpoly;
+            $NROOTS   =& $this->nroots;
+            $FCR      =& $this->fcr;
+            $PRIM     =& $this->prim;
+            $IPRIM    =& $this->iprim;
+            $PAD      =& $this->pad;
+            $A0       =& $NN;
+
+            $parity = array_fill(0, $NROOTS, 0);
+
+            for($i=0; $i< ($NN-$NROOTS-$PAD); $i++) {
+                
+                $feedback = $INDEX_OF[$data[$i] ^ $parity[0]];
+                if($feedback != $A0) {      
+                    // feedback term is non-zero
+            
+                    // This line is unnecessary when GENPOLY[NROOTS] is unity, as it must
+                    // always be for the polynomials constructed by init_rs()
+                    $feedback = $this->modnn($NN - $GENPOLY[$NROOTS] + $feedback);
+            
+                    for($j=1;$j<$NROOTS;$j++) {
+                        $parity[$j] ^= $ALPHA_TO[$this->modnn($feedback + $GENPOLY[$NROOTS-$j])];
+                    }
+                }
+                
+                // Shift 
+                array_shift($parity);
+                if($feedback != $A0) {
+                    array_push($parity, $ALPHA_TO[$this->modnn($feedback + $GENPOLY[0])]);
+                } else {
+                    array_push($parity, 0);
+                }
+            }
+        }
+    }
+    
+    //##########################################################################
+    
+    class QRrs {
+    
+        public static $items = array();
+        
+        //----------------------------------------------------------------------
+        public static function init_rs($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)
+        {
+            foreach(self::$items as $rs) {
+                if($rs->pad != $pad)       continue;
+                if($rs->nroots != $nroots) continue;
+                if($rs->mm != $symsize)    continue;
+                if($rs->gfpoly != $gfpoly) continue;
+                if($rs->fcr != $fcr)       continue;
+                if($rs->prim != $prim)     continue;
+
+                return $rs;
+            }
+
+            $rs = QRrsItem::init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad);
+            array_unshift(self::$items, $rs);
+
+            return $rs;
+        }
+    }
+
+
+
+//---- qrmask.php -----------------------------
+
+
+
+
+/*
+ * PHP QR Code encoder
+ *
+ * Masking
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+ 
+	define('N1', 3);
+	define('N2', 3);
+	define('N3', 40);
+	define('N4', 10);
+
+	class QRmask {
+	
+		public $runLength = array();
+		
+		//----------------------------------------------------------------------
+		public function __construct() 
+        {
+            $this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0);
+        }
+        
+        //----------------------------------------------------------------------
+        public function writeFormatInformation($width, &$frame, $mask, $level)
+        {
+            $blacks = 0;
+            $format =  QRspec::getFormatInfo($mask, $level);
+
+            for($i=0; $i<8; $i++) {
+                if($format & 1) {
+                    $blacks += 2;
+                    $v = 0x85;
+                } else {
+                    $v = 0x84;
+                }
+                
+                $frame[8][$width - 1 - $i] = chr($v);
+                if($i < 6) {
+                    $frame[$i][8] = chr($v);
+                } else {
+                    $frame[$i + 1][8] = chr($v);
+                }
+                $format = $format >> 1;
+            }
+            
+            for($i=0; $i<7; $i++) {
+                if($format & 1) {
+                    $blacks += 2;
+                    $v = 0x85;
+                } else {
+                    $v = 0x84;
+                }
+                
+                $frame[$width - 7 + $i][8] = chr($v);
+                if($i == 0) {
+                    $frame[8][7] = chr($v);
+                } else {
+                    $frame[8][6 - $i] = chr($v);
+                }
+                
+                $format = $format >> 1;
+            }
+
+            return $blacks;
+        }
+        
+        //----------------------------------------------------------------------
+        public function mask0($x, $y) { return ($x+$y)&1;                       }
+        public function mask1($x, $y) { return ($y&1);                          }
+        public function mask2($x, $y) { return ($x%3);                          }
+        public function mask3($x, $y) { return ($x+$y)%3;                       }
+        public function mask4($x, $y) { return (((int)($y/2))+((int)($x/3)))&1; }
+        public function mask5($x, $y) { return (($x*$y)&1)+($x*$y)%3;           }
+        public function mask6($x, $y) { return ((($x*$y)&1)+($x*$y)%3)&1;       }
+        public function mask7($x, $y) { return ((($x*$y)%3)+(($x+$y)&1))&1;     }
+        
+        //----------------------------------------------------------------------
+        private function generateMaskNo($maskNo, $width, $frame)
+        {
+            $bitMask = array_fill(0, $width, array_fill(0, $width, 0));
+            
+            for($y=0; $y<$width; $y++) {
+                for($x=0; $x<$width; $x++) {
+                    if(ord($frame[$y][$x]) & 0x80) {
+                        $bitMask[$y][$x] = 0;
+                    } else {
+                        $maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y);
+                        $bitMask[$y][$x] = ($maskFunc == 0)?1:0;
+                    }
+                    
+                }
+            }
+            
+            return $bitMask;
+        }
+        
+        //----------------------------------------------------------------------
+        public static function serial($bitFrame)
+        {
+            $codeArr = array();
+            
+            foreach ($bitFrame as $line)
+                $codeArr[] = join('', $line);
+                
+            return gzcompress(join("\n", $codeArr), 9);
+        }
+        
+        //----------------------------------------------------------------------
+        public static function unserial($code)
+        {
+            $codeArr = array();
+            
+            $codeLines = explode("\n", gzuncompress($code));
+            foreach ($codeLines as $line)
+                $codeArr[] = str_split($line);
+            
+            return $codeArr;
+        }
+        
+        //----------------------------------------------------------------------
+        public function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly = false) 
+        {
+            $b = 0;