Vendoring deprecated composer libs

author: Frédéric Guillot <fred@kanboard.net> 2018-06-21 14:13:41 -0700
committer: Frédéric Guillot <fred@kanboard.net> 2018-06-21 14:13:41 -0700
commit: a491348d442ab8e6cd2fa403d4365cdad78e52ce (patch)
tree: a00f575d82afb2c9051bad95398b4250f4a3d44d /libs/phpqrcode/lib
parent: c73ac5f1f818b6b21083f6785b4b2f6d778a6496 (diff)
19 files changed, 3341 insertions, 0 deletions
diff --git a/libs/phpqrcode/lib/PHPQRCode.php b/libs/phpqrcode/lib/PHPQRCode.php
new file mode 100644
index 00000000..e96c5e3d
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * PHPQRCode.php
+ *
+ * Created by arielferrandini
+ */
+$QR_BASEDIR = dirname(__FILE__).DIRECTORY_SEPARATOR;
+
+// Required libs
+
+/*
+ * PHP QR Code encoder
+ *
+ * Config file, feel free to modify
+ */
+
+define('QR_CACHEABLE', true);                                                               // use cache - more disk reads but less CPU power, masks and format templates are stored there
+define('QR_CACHE_DIR', dirname(__FILE__).DIRECTORY_SEPARATOR.'cache'.DIRECTORY_SEPARATOR);  // used when QR_CACHEABLE === true
+define('QR_LOG_DIR', dirname(__FILE__).DIRECTORY_SEPARATOR);                                // 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', false);                                                       // 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);
+
+
+// Supported output formats
+
+define('QR_FORMAT_TEXT', 0);
+define('QR_FORMAT_PNG',  1);
+
+/** PHPQRCode root directory */
+if (!defined('PHPQRCODE_ROOT')) {
+	define('PHPQRCODE_ROOT', dirname(__FILE__) . '/');
+	require(PHPQRCODE_ROOT . 'PHPQRCode/Autoloader.php');
+}
+
+class PHPQRCode
+{
+
+}
diff --git a/libs/phpqrcode/lib/PHPQRCode/Autoloader.php b/libs/phpqrcode/lib/PHPQRCode/Autoloader.php
new file mode 100755
index 00000000..6fe2bb2f
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/Autoloader.php
@@ -0,0 +1,48 @@
+<?php
+/**
+ * Autoloader
+ *
+ * Copyright (c) 2006 - 2011 PHPExcel
+ *
+ * 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 2.1 of the License, or (at your option) 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 Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPQRCode
+ * @package    PHPQRCode
+ */
+
+namespace PHPQRCode;
+
+class Autoloader
+{
+	public static function register()
+    {
+		spl_autoload_register(array(new self, 'autoload'));
+    }
+
+	public static function autoload($class)
+    {
+		if ((class_exists($class)) || (strpos($class, 'PHPQRCode') !== 0)) {
+			return false;
+		}
+
+		$file =	dirname(__FILE__) . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR
+            . str_replace(array('\\', "\0"), array('/', ''), $class).'.php';
+
+		if (is_file($file)) {
+			require $file;
+		}
+    }
+
+}
+\ No newline at end of file
diff --git a/libs/phpqrcode/lib/PHPQRCode/Constants.php b/libs/phpqrcode/lib/PHPQRCode/Constants.php
new file mode 100644
index 00000000..49fc6434
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/Constants.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * Constants.php
+ *
+ * Created by arielferrandini
+ */
+
+namespace PHPQRCode;
+
+class Constants
+{
+    const QR_CACHEABLE = false;
+    const QR_CACHE_DIR = ''; //dirname(__FILE__) . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'cache' . DIRECTORY_SEPARATOR;
+    const QR_LOG_DIR   = '/tmp/qrcode_log/';
+
+    const QR_FIND_BEST_MASK = true;
+    const QR_FIND_FROM_RANDOM = false;
+    const QR_DEFAULT_MASK = 2;
+
+    const QR_PNG_MAXIMUM_SIZE =  1024;
+
+    // Encoding modes
+	const QR_MODE_NUL = -1;
+	const QR_MODE_NUM = 0;
+	const QR_MODE_AN = 1;
+	const QR_MODE_8 = 2;
+	const QR_MODE_KANJI = 3;
+	const QR_MODE_STRUCTURE = 4;
+
+	// Levels of error correction.
+	const QR_ECLEVEL_L = 0;
+	const QR_ECLEVEL_M = 1;
+	const QR_ECLEVEL_Q = 2;
+	const QR_ECLEVEL_H = 3;
+
+	// Supported output formats
+	const QR_FORMAT_TEXT = 0;
+	const QR_FORMAT_PNG =  1;
+
+    const QR_IMAGE =  true;
+
+    const STRUCTURE_HEADER_BITS =  20;
+    const MAX_STRUCTURED_SYMBOLS = 16;
+
+    // Maks
+    const N1 = 3;
+	const N2 = 3;
+	const N3 = 40;
+	const N4 = 10;
+
+    const QRSPEC_VERSION_MAX = 40;
+    const QRSPEC_WIDTH_MAX =   177;
+
+    const QRCAP_WIDTH =        0;
+    const QRCAP_WORDS =        1;
+    const QRCAP_REMINDER =     2;
+    const QRCAP_EC =           3;
+}
diff --git a/libs/phpqrcode/lib/PHPQRCode/FrameFiller.php b/libs/phpqrcode/lib/PHPQRCode/FrameFiller.php
new file mode 100644
index 00000000..02e94e3f
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/FrameFiller.php
@@ -0,0 +1,96 @@
+<?php
+/**
+ * FrameFiller.php
+ *
+ * Created by arielferrandini
+ */
+
+namespace PHPQRCode;
+
+class FrameFiller {
+
+    public $width;
+    public $frame;
+    public $x;
+    public $y;
+    public $dir;
+    public $bit;
+
+    //----------------------------------------------------------------------
+    public function __construct($width, &$frame)
+    {
+        $this->width = $width;
+        $this->frame = $frame;
+        $this->x = $width - 1;
+        $this->y = $width - 1;
+        $this->dir = -1;
+        $this->bit = -1;
+    }
+
+    //----------------------------------------------------------------------
+    public function setFrameAt($at, $val)
+    {
+        $this->frame[$at['y']][$at['x']] = chr($val);
+    }
+
+    //----------------------------------------------------------------------
+    public function getFrameAt($at)
+    {
+        return ord($this->frame[$at['y']][$at['x']]);
+    }
+
+    //----------------------------------------------------------------------
+    public function next()
+    {
+        do {
+
+            if($this->bit == -1) {
+                $this->bit = 0;
+                return array('x'=>$this->x, 'y'=>$this->y);
+            }
+
+            $x = $this->x;
+            $y = $this->y;
+            $w = $this->width;
+
+            if($this->bit == 0) {
+                $x--;
+                $this->bit++;
+            } else {
+                $x++;
+                $y += $this->dir;
+                $this->bit--;
+            }
+
+            if($this->dir < 0) {
+                if($y < 0) {
+                    $y = 0;
+                    $x -= 2;
+                    $this->dir = 1;
+                    if($x == 6) {
+                        $x--;
+                        $y = 9;
+                    }
+                }
+            } else {
+                if($y == $w) {
+                    $y = $w - 1;
+                    $x -= 2;
+                    $this->dir = -1;
+                    if($x == 6) {
+                        $x--;
+                        $y -= 8;
+                    }
+                }
+            }
+            if($x < 0 || $y < 0) return null;
+
+            $this->x = $x;
+            $this->y = $y;
+
+        } while(ord($this->frame[$y][$x]) & 0x80);
+
+        return array('x'=>$x, 'y'=>$y);
+    }
+
+} ;
+\ No newline at end of file
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRbitstream.php b/libs/phpqrcode/lib/PHPQRCode/QRbitstream.php
new file mode 100755
index 00000000..93606f13
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRbitstream.php
@@ -0,0 +1,182 @@
+<?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
+ */
+
+namespace PHPQRCode;
+
+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;
+    }
+
+}
+\ No newline at end of file
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRcode.php b/libs/phpqrcode/lib/PHPQRCode/QRcode.php
new file mode 100644
index 00000000..08b60243
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRcode.php
@@ -0,0 +1,158 @@
+<?php
+/**
+ * QRcode.php
+ *
+ * Created by arielferrandini
+ */
+
+namespace PHPQRCode;
+
+use Exception;
+
+class QRcode {
+
+    public $version;
+    public $width;
+    public $data;
+
+    //----------------------------------------------------------------------
+    public function encodeMask(QRinput $input, $mask)
+    {
+        if($input->getVersion() < 0 || $input->getVersion() > Constants::QRSPEC_VERSION_MAX) {
+            throw new Exception('wrong version');
+        }
+        if($input->getErrorCorrectionLevel() > Constants::QR_ECLEVEL_H) {
+            throw new Exception('wrong level');
+        }
+
+        $raw = new QRrawcode($input);
+
+        QRtools::markTime('after_raw');
+
+        $version = $raw->version;
+        $width = QRspec::getWidth($version);
+        $frame = QRspec::newFrame($version);
+
+        $filler = new FrameFiller($width, $frame);
+        if(is_null($filler)) {
+            return NULL;
+        }
+
+        // inteleaved data and ecc codes
+        for($i=0; $i<$raw->dataLength + $raw->eccLength; $i++) {
+            $code = $raw->getCode();
+            $bit = 0x80;
+            for($j=0; $j<8; $j++) {
+                $addr = $filler->next();
+                $filler->setFrameAt($addr, 0x02 | (($bit & $code) != 0));
+                $bit = $bit >> 1;
+            }
+        }
+
+        QRtools::markTime('after_filler');
+
+        unset($raw);
+
+        // remainder bits
+        $j = QRspec::getRemainder($version);
+        for($i=0; $i<$j; $i++) {
+            $addr = $filler->next();
+            $filler->setFrameAt($addr, 0x02);
+        }
+
+        $frame = $filler->frame;
+        unset($filler);
+
+
+        // masking
+        $maskObj = new QRmask();
+        if($mask < 0) {
+
+            if (Constants::QR_FIND_BEST_MASK) {
+                $masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel());
+            } else {
+                $masked = $maskObj->makeMask($width, $frame, (intval(Constants::QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel());
+            }
+        } else {
+            $masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel());
+        }
+
+        if($masked == NULL) {
+            return NULL;
+        }
+
+        QRtools::markTime('after_mask');
+
+        $this->version = $version;
+        $this->width = $width;
+        $this->data = $masked;
+
+        return $this;
+    }
+
+    //----------------------------------------------------------------------
+    public function encodeInput(QRinput $input)
+    {
+        return $this->encodeMask($input, -1);
+    }
+
+    //----------------------------------------------------------------------
+    public function encodeString8bit($string, $version, $level)
+    {
+        if(string == NULL) {
+            throw new Exception('empty string!');
+            return NULL;
+        }
+
+        $input = new QRinput($version, $level);
+        if($input == NULL) return NULL;
+
+        $ret = $input->append($input, Constants::QR_MODE_8, strlen($string), str_split($string));
+        if($ret < 0) {
+            unset($input);
+            return NULL;
+        }
+        return $this->encodeInput($input);
+    }
+
+    //----------------------------------------------------------------------
+    public function encodeString($string, $version, $level, $hint, $casesensitive)
+    {
+
+        if($hint != Constants::QR_MODE_8 && $hint != Constants::QR_MODE_KANJI) {
+            throw new Exception('bad hint');
+            return NULL;
+        }
+
+        $input = new QRinput($version, $level);
+        if($input == NULL) return NULL;
+
+        $ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive);
+        if($ret < 0) {
+            return NULL;
+        }
+
+        return $this->encodeInput($input);
+    }
+
+    //----------------------------------------------------------------------
+    public static function png($text, $outfile = false, $level = Constants::QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint=false)
+    {
+        $enc = QRencode::factory($level, $size, $margin);
+        return $enc->encodePNG($text, $outfile, $saveandprint=false);
+    }
+
+    //----------------------------------------------------------------------
+    public static function text($text, $outfile = false, $level = Constants::QR_ECLEVEL_L, $size = 3, $margin = 4)
+    {
+        $enc = QRencode::factory($level, $size, $margin);
+        return $enc->encode($text, $outfile);
+    }
+
+    //----------------------------------------------------------------------
+    public static function raw($text, $outfile = false, $level = Constants::QR_ECLEVEL_L, $size = 3, $margin = 4)
+    {
+        $enc = QRencode::factory($level, $size, $margin);
+        return $enc->encodeRAW($text, $outfile);
+    }
+}
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRencode.php b/libs/phpqrcode/lib/PHPQRCode/QRencode.php
new file mode 100755
index 00000000..d05ab6b7
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRencode.php
@@ -0,0 +1,137 @@
+<?php
+/*
+ * PHP QR Code encoder
+ *
+ * Main encoder classes.
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+namespace PHPQRCode;
+
+use Exception;
+
+class QRencode {
+
+    public $casesensitive = true;
+    public $eightbit = false;
+
+    public $version = 0;
+    public $size = 3;
+    public $margin = 4;
+
+    public $structured = 0; // not supported yet
+
+    public $level = Constants::QR_ECLEVEL_L;
+    public $hint = Constants::QR_MODE_8;
+
+    //----------------------------------------------------------------------
+    public static function factory($level = Constants::QR_ECLEVEL_L, $size = 3, $margin = 4)
+    {
+        $enc = new QRencode();
+        $enc->size = $size;
+        $enc->margin = $margin;
+
+        switch ($level.'') {
+            case '0':
+            case '1':
+            case '2':
+            case '3':
+                    $enc->level = $level;
+                break;
+            case 'l':
+            case 'L':
+                    $enc->level = Constants::QR_ECLEVEL_L;
+                break;
+            case 'm':
+            case 'M':
+                    $enc->level = Constants::QR_ECLEVEL_M;
+                break;
+            case 'q':
+            case 'Q':
+                    $enc->level = Constants::QR_ECLEVEL_Q;
+                break;
+            case 'h':
+            case 'H':
+                    $enc->level = Constants::QR_ECLEVEL_H;
+                break;
+        }
+
+        return $enc;
+    }
+
+    //----------------------------------------------------------------------
+    public function encodeRAW($intext, $outfile = false)
+    {
+        $code = new QRcode();
+
+        if($this->eightbit) {
+            $code->encodeString8bit($intext, $this->version, $this->level);
+        } else {
+            $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
+        }
+
+        return $code->data;
+    }
+
+    //----------------------------------------------------------------------
+    public function encode($intext, $outfile = false)
+    {
+        $code = new QRcode();
+
+        if($this->eightbit) {
+            $code->encodeString8bit($intext, $this->version, $this->level);
+        } else {
+            $code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
+        }
+
+        QRtools::markTime('after_encode');
+
+        if ($outfile!== false) {
+            file_put_contents($outfile, join("\n", QRtools::binarize($code->data)));
+        } else {
+            return QRtools::binarize($code->data);
+        }
+    }
+
+    //----------------------------------------------------------------------
+    public function encodePNG($intext, $outfile = false,$saveandprint=false)
+    {
+        try {
+            ob_start();
+            $tab = $this->encode($intext);
+            $err = ob_get_contents();
+            ob_end_clean();
+
+            if ($err != '')
+                QRtools::log($outfile, "ERROR: " . $err);
+
+            $maxSize = (int)(Constants::QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin));
+
+            QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint);
+        } catch (Exception $e) {
+            echo $e->getMessage();
+            die();
+
+            QRtools::log($outfile, $e->getMessage());
+        }
+    }
+}
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRimage.php b/libs/phpqrcode/lib/PHPQRCode/QRimage.php
new file mode 100755
index 00000000..430a16f8
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRimage.php
@@ -0,0 +1,95 @@
+<?php
+/*
+ * PHP QR Code encoder
+ *
+ * Image output of code using GD2
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+namespace PHPQRCode;
+
+class QRimage {
+
+    //----------------------------------------------------------------------
+    public static function png($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;
+    }
+}
+\ No newline at end of file
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRinput.php b/libs/phpqrcode/lib/PHPQRCode/QRinput.php
new file mode 100755
index 00000000..8bdd21e7
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRinput.php
@@ -0,0 +1,486 @@
+<?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
+ */
+
+namespace PHPQRCode;
+
+use Exception;
+
+class QRinput {
+
+    public $items;
+
+    private $version;
+    private $level;
+
+    //----------------------------------------------------------------------
+    public function __construct($version = 0, $level = Constants::QR_ECLEVEL_L)
+    {
+        if ($version < 0 || $version > Constants::QRSPEC_VERSION_MAX || $level > Constants::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 > Constants::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 > Constants::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 > Constants::MAX_STRUCTURED_SYMBOLS ) {
+            throw new Exception('insertStructuredAppendHeader wrong size');
+        }
+
+        if( $index <= 0 || $index > Constants::MAX_STRUCTURED_SYMBOLS ) {
+            throw new Exception('insertStructuredAppendHeader wrong index');
+        }
+
+        $buf = array($size, $index, $parity);
+
+        try {
+            $entry = new QRinputItem(Constants::QR_MODE_STRUCTURE, 3, buf);
+            array_unshift($this->items, $entry);
+            return 0;
+        } catch (Exception $e) {
+            return -1;
+        }
+    }
+
+    //----------------------------------------------------------------------
+    public function calcParity()
+    {
+        $parity = 0;
+
+        foreach($this->items as $item) {
+            if($item->mode != Constants::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($mode) {
+            case Constants::QR_MODE_NUM:       return self::checkModeNum($size, $data);   break;
+            case Constants::QR_MODE_AN:        return self::checkModeAn($size, $data);    break;
+            case Constants::QR_MODE_KANJI:     return self::checkModeKanji($size, $data); break;
+            case Constants::QR_MODE_8:         return true; break;
+            case Constants::QR_MODE_STRUCTURE: return true; break;
+
+            default:
+                break;
+        }
+
+        return false;
+    }
+
+
+    //----------------------------------------------------------------------
+    public function estimateBitStreamSize($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 Constants::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 Constants::QR_MODE_AN:
+                $chunks = (int)($payload / 11);
+                $remain = $payload - $chunks * 11;
+                $size = $chunks * 2;
+                if($remain >= 6)
+                    $size++;
+                break;
+            case Constants::QR_MODE_8:
+                $size = (int)($payload / 8);
+                break;
+            case Constants::QR_MODE_KANJI:
+                $size = (int)(($payload / 13) * 2);
+                break;
+            case Constants::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();
+    }
+}
+
+
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRinputItem.php b/libs/phpqrcode/lib/PHPQRCode/QRinputItem.php
new file mode 100644
index 00000000..1e5eb18d
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRinputItem.php
@@ -0,0 +1,246 @@
+<?php
+
+namespace PHPQRCode;
+
+use Exception;
+
+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(Constants::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(Constants::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(Constants::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 QRbitstream();
+
+            $bs->appendNum(4, 0x8);
+            $bs->appendNum(QRspec::lengthIndicator(Constants::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 Constants::QR_MODE_NUM:        $bits = QRinput::estimateBitsModeNum($this->size);    break;
+            case Constants::QR_MODE_AN:        $bits = QRinput::estimateBitsModeAn($this->size);    break;
+            case Constants::QR_MODE_8:            $bits = QRinput::estimateBitsMode8($this->size);    break;
+            case Constants::QR_MODE_KANJI:        $bits = QRinput::estimateBitsModeKanji($this->size);break;
+            case Constants::QR_MODE_STRUCTURE:    return Constants::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 Constants::QR_MODE_NUM:        $ret = $this->encodeModeNum($version);    break;
+                    case Constants::QR_MODE_AN:        $ret = $this->encodeModeAn($version);    break;
+                    case Constants::QR_MODE_8:            $ret = $this->encodeMode8($version);    break;
+                    case Constants::QR_MODE_KANJI:        $ret = $this->encodeModeKanji($version);break;
+                    case Constants::QR_MODE_STRUCTURE:    $ret = $this->encodeModeStructure();    break;
+
+                    default:
+                        break;
+                }
+
+                if($ret < 0)
+                    return -1;
+            }
+
+            return $this->bstream->size();
+
+        } catch (Exception $e) {
+            return -1;
+        }
+    }
+}
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRmask.php b/libs/phpqrcode/lib/PHPQRCode/QRmask.php
new file mode 100755
index 00000000..2be76f47
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRmask.php
@@ -0,0 +1,325 @@
+<?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
+ */
+
+namespace PHPQRCode;
+
+class QRmask {
+
+    public $runLength = array();
+
+    //----------------------------------------------------------------------
+    public function __construct()
+    {
+        $this->runLength = array_fill(0, Constants::QRSPEC_WIDTH_MAX + 1, 0);
+    }
+
+    //----------------------------------------------------------------------
+    public function writeFormatInformation($width, &$frame, $mask, $level)
+    {
+        $blacks = 0;
+        $format =  QRspec::getFormatInfo($mask, $level);
+
+        for($i=0; $i<8; $i++) {
+            if($format & 1) {
+                $blacks += 2;
+                $v = 0x85;
+            } else {
+                $v = 0x84;
+            }
+
+            $frame[8][$width - 1 - $i] = chr($v);
+            if($i < 6) {
+                $frame[$i][8] = chr($v);
+            } else {
+                $frame[$i + 1][8] = chr($v);
+            }
+            $format = $format >> 1;
+        }
+
+        for($i=0; $i<7; $i++) {
+            if($format & 1) {
+                $blacks += 2;
+                $v = 0x85;
+            } else {
+                $v = 0x84;
+            }
+
+            $frame[$width - 7 + $i][8] = chr($v);
+            if($i == 0) {
+                $frame[8][7] = chr($v);
+            } else {
+                $frame[8][6 - $i] = chr($v);
+            }
+
+            $format = $format >> 1;
+        }
+
+        return $blacks;
+    }
+
+    //----------------------------------------------------------------------
+    public function mask0($x, $y) { return ($x+$y)&1;                       }
+    public function mask1($x, $y) { return ($y&1);                          }
+    public function mask2($x, $y) { return ($x%3);                          }
+    public function mask3($x, $y) { return ($x+$y)%3;                       }
+    public function mask4($x, $y) { return (((int)($y/2))+((int)($x/3)))&1; }
+    public function mask5($x, $y) { return (($x*$y)&1)+($x*$y)%3;           }
+    public function mask6($x, $y) { return ((($x*$y)&1)+($x*$y)%3)&1;       }
+    public function mask7($x, $y) { return ((($x*$y)%3)+(($x+$y)&1))&1;     }
+
+    //----------------------------------------------------------------------
+    private function generateMaskNo($maskNo, $width, $frame)
+    {
+        $bitMask = array_fill(0, $width, array_fill(0, $width, 0));
+
+        for($y=0; $y<$width; $y++) {
+            for($x=0; $x<$width; $x++) {
+                if(ord($frame[$y][$x]) & 0x80) {
+                    $bitMask[$y][$x] = 0;
+                } else {
+                    $maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y);
+                    $bitMask[$y][$x] = ($maskFunc == 0)?1:0;
+                }
+
+            }
+        }
+
+        return $bitMask;
+    }
+
+    //----------------------------------------------------------------------
+    public static function serial($bitFrame)
+    {
+        $codeArr = array();
+
+        foreach ($bitFrame as $line)
+            $codeArr[] = join('', $line);
+
+        return gzcompress(join("\n", $codeArr), 9);
+    }
+
+    //----------------------------------------------------------------------
+    public static function unserial($code)
+    {
+        $codeArr = array();
+
+        $codeLines = explode("\n", gzuncompress($code));
+        foreach ($codeLines as $line)
+            $codeArr[] = str_split($line);
+
+        return $codeArr;
+    }
+
+    //----------------------------------------------------------------------
+    public function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly = false)
+    {
+        $b = 0;
+        $bitMask = array();
+
+        $fileName = Constants::QR_CACHE_DIR.'mask_'.$maskNo.DIRECTORY_SEPARATOR.'mask_'.$width.'_'.$maskNo.'.dat';
+
+        if (Constants::QR_CACHEABLE) {
+            if (file_exists($fileName)) {
+                $bitMask = self::unserial(file_get_contents($fileName));
+            } else {
+                $bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);
+                if (!file_exists(Constants::QR_CACHE_DIR.'mask_'.$maskNo))
+                    mkdir(Constants::QR_CACHE_DIR.'mask_'.$maskNo);
+                file_put_contents($fileName, self::serial($bitMask));
+            }
+        } else {
+            $bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);
+        }
+
+        if ($maskGenOnly)
+            return;
+
+        $d = $s;
+
+        for($y=0; $y<$width; $y++) {
+            for($x=0; $x<$width; $x++) {
+                if($bitMask[$y][$x] == 1) {
+                    $d[$y][$x] = chr(ord($s[$y][$x]) ^ (int)$bitMask[$y][$x]);
+                }
+                $b += (int)(ord($d[$y][$x]) & 1);
+            }
+        }
+
+        return $b;
+    }
+
+    //----------------------------------------------------------------------
+    public function makeMask($width, $frame, $maskNo, $level)
+    {
+        $masked = array_fill(0, $width, str_repeat("\0", $width));
+        $this->makeMaskNo($maskNo, $width, $frame, $masked);
+        $this->writeFormatInformation($width, $masked, $maskNo, $level);
+
+        return $masked;
+    }
+
+    //----------------------------------------------------------------------
+    public function calcN1N3($length)
+    {
+        $demerit = 0;
+
+        for($i=0; $i<$length; $i++) {
+
+            if($this->runLength[$i] >= 5) {
+                $demerit += (Constants::N1 + ($this->runLength[$i] - 5));
+            }
+            if($i & 1) {
+                if(($i >= 3) && ($i < ($length-2)) && ($this->runLength[$i] % 3 == 0)) {
+                    $fact = (int)($this->runLength[$i] / 3);
+                    if(($this->runLength[$i-2] == $fact) &&
+                       ($this->runLength[$i-1] == $fact) &&
+                       ($this->runLength[$i+1] == $fact) &&
+                       ($this->runLength[$i+2] == $fact)) {
+                        if(($this->runLength[$i-3] < 0) || ($this->runLength[$i-3] >= (4 * $fact))) {
+                            $demerit += Constants::N3;
+                        } else if((($i+3) >= $length) || ($this->runLength[$i+3] >= (4 * $fact))) {
+                            $demerit += Constants::N3;
+                        }
+                    }
+                }
+            }
+        }
+        return $demerit;
+    }
+
+    //----------------------------------------------------------------------
+    public function evaluateSymbol($width, $frame)
+    {
+        $head = 0;
+        $demerit = 0;
+
+        for($y=0; $y<$width; $y++) {
+            $head = 0;
+            $this->runLength[0] = 1;
+
+            $frameY = $frame[$y];
+
+            if ($y>0)
+                $frameYM = $frame[$y-1];
+
+            for($x=0; $x<$width; $x++) {
+                if(($x > 0) && ($y > 0)) {
+                    $b22 = ord($frameY[$x]) & ord($frameY[$x-1]) & ord($frameYM[$x]) & ord($frameYM[$x-1]);
+                    $w22 = ord($frameY[$x]) | ord($frameY[$x-1]) | ord($frameYM[$x]) | ord($frameYM[$x-1]);
+
+                    if(($b22 | ($w22 ^ 1))&1) {
+                        $demerit += Constants::N2;
+                    }
+                }
+                if(($x == 0) && (ord($frameY[$x]) & 1)) {
+                    $this->runLength[0] = -1;
+                    $head = 1;
+                    $this->runLength[$head] = 1;
+                } else if($x > 0) {
+                    if((ord($frameY[$x]) ^ ord($frameY[$x-1])) & 1) {
+                        $head++;
+                        $this->runLength[$head] = 1;
+                    } else {
+                        $this->runLength[$head]++;
+                    }
+                }
+            }
+
+            $demerit += $this->calcN1N3($head+1);
+        }
+
+        for($x=0; $x<$width; $x++) {
+            $head = 0;
+            $this->runLength[0] = 1;
+
+            for($y=0; $y<$width; $y++) {
+                if($y == 0 && (ord($frame[$y][$x]) & 1)) {
+                    $this->runLength[0] = -1;
+                    $head = 1;
+                    $this->runLength[$head] = 1;
+                } else if($y > 0) {
+                    if((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) {
+                        $head++;
+                        $this->runLength[$head] = 1;
+                    } else {
+                        $this->runLength[$head]++;
+                    }
+                }
+            }
+
+            $demerit += $this->calcN1N3($head+1);
+        }
+
+        return $demerit;
+    }
+
+
+    //----------------------------------------------------------------------
+    public function mask($width, $frame, $level)
+    {
+        $minDemerit = PHP_INT_MAX;
+        $bestMaskNum = 0;
+        $bestMask = array();
+
+        $checked_masks = array(0,1,2,3,4,5,6,7);
+
+        if (Constants::QR_FIND_FROM_RANDOM !== false) {
+
+            $howManuOut = 8-(Constants::QR_FIND_FROM_RANDOM % 9);
+            for ($i = 0; $i <  $howManuOut; $i++) {
+                $remPos = rand (0, count($checked_masks)-1);
+                unset($checked_masks[$remPos]);
+                $checked_masks = array_values($checked_masks);
+            }
+
+        }
+
+        $bestMask = $frame;
+
+        foreach($checked_masks as $i) {
+            $mask = array_fill(0, $width, str_repeat("\0", $width));
+
+            $demerit = 0;
+            $blacks = 0;
+            $blacks  = $this->makeMaskNo($i, $width, $frame, $mask);
+            $blacks += $this->writeFormatInformation($width, $mask, $i, $level);
+            $blacks  = (int)(100 * $blacks / ($width * $width));
+            $demerit = (int)((int)(abs($blacks - 50) / 5) * Constants::N4);
+            $demerit += $this->evaluateSymbol($width, $mask);
+
+            if($demerit < $minDemerit) {
+                $minDemerit = $demerit;
+                $bestMask = $mask;
+                $bestMaskNum = $i;
+            }
+        }
+
+        return $bestMask;
+    }
+
+    //----------------------------------------------------------------------
+}
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRrawcode.php b/libs/phpqrcode/lib/PHPQRCode/QRrawcode.php
new file mode 100644
index 00000000..25eae7c8
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRrawcode.php
@@ -0,0 +1,117 @@
+<?php
+/**
+ * QRrawcode.php
+ *
+ * Created by arielferrandini
+ */
+
+namespace PHPQRCode;
+
+use Exception;
+
+class QRrawcode {
+    public $version;
+    public $datacode = array();
+    public $ecccode = array();
+    public $blocks;
+    public $rsblocks = array(); //of RSblock
+    public $count;
+    public $dataLength;
+    public $eccLength;
+    public $b1;
+
+    //----------------------------------------------------------------------
+    public function __construct(QRinput $input)
+    {
+        $spec = array(0,0,0,0,0);
+
+        $this->datacode = $input->getByteStream();
+        if(is_null($this->datacode)) {
+            throw new Exception('null input string');
+        }
+
+        QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec);
+
+        $this->version = $input->getVersion();
+        $this->b1 = QRspec::rsBlockNum1($spec);
+        $this->dataLength = QRspec::rsDataLength($spec);
+        $this->eccLength = QRspec::rsEccLength($spec);
+        $this->ecccode = array_fill(0, $this->eccLength, 0);
+        $this->blocks = QRspec::rsBlockNum($spec);
+
+        $ret = $this->init($spec);
+        if($ret < 0) {
+            throw new Exception('block alloc error');
+            return null;
+        }
+
+        $this->count = 0;
+    }
+
+    //----------------------------------------------------------------------
+    public function init(array $spec)
+    {
+        $dl = QRspec::rsDataCodes1($spec);
+        $el = QRspec::rsEccCodes1($spec);
+        $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
+
+
+        $blockNo = 0;
+        $dataPos = 0;
+        $eccPos = 0;
+        for($i=0; $i<QRspec::rsBlockNum1($spec); $i++) {
+            $ecc = array_slice($this->ecccode,$eccPos);
+            $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el,  $ecc, $rs);
+            $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
+
+            $dataPos += $dl;
+            $eccPos += $el;
+            $blockNo++;
+        }
+
+        if(QRspec::rsBlockNum2($spec) == 0)
+            return 0;
+
+        $dl = QRspec::rsDataCodes2($spec);
+        $el = QRspec::rsEccCodes2($spec);
+        $rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
+
+        if($rs == NULL) return -1;
+
+        for($i=0; $i<QRspec::rsBlockNum2($spec); $i++) {
+            $ecc = array_slice($this->ecccode,$eccPos);
+            $this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
+            $this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
+
+            $dataPos += $dl;
+            $eccPos += $el;
+            $blockNo++;
+        }
+
+        return 0;
+    }
+
+    //----------------------------------------------------------------------
+    public function getCode()
+    {
+        $ret = null;
+
+        if($this->count < $this->dataLength) {
+            $row = $this->count % $this->blocks;
+            $col = $this->count / $this->blocks;
+            if($col >= $this->rsblocks[0]->dataLength) {
+                $row += $this->b1;
+            }
+            $ret = $this->rsblocks[$row]->data[$col];
+        } else if($this->count < $this->dataLength + $this->eccLength) {
+            $row = ($this->count - $this->dataLength) % $this->blocks;
+            $col = ($this->count - $this->dataLength) / $this->blocks;
+            $ret = $this->rsblocks[$row]->ecc[$col];
+        } else {
+            return 0;
+        }
+        $this->count++;
+
+        return $ret;
+    }
+}
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRrs.php b/libs/phpqrcode/lib/PHPQRCode/QRrs.php
new file mode 100755
index 00000000..66f0d5e7
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRrs.php
@@ -0,0 +1,56 @@
+<?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
+ */
+
+namespace PHPQRCode;
+
+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;
+    }
+}
+\ No newline at end of file
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRrsItem.php b/libs/phpqrcode/lib/PHPQRCode/QRrsItem.php
new file mode 100644
index 00000000..ce63a8c3
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRrsItem.php
@@ -0,0 +1,162 @@
+<?php
+/**
+ * QRrsItem.php
+ *
+ * Created by arielferrandini
+ */
+
+namespace PHPQRCode;
+
+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);
+            }
+        }
+    }
+}
+\ No newline at end of file
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRrsblock.php b/libs/phpqrcode/lib/PHPQRCode/QRrsblock.php
new file mode 100644
index 00000000..c1d01f22
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRrsblock.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * QRrsblock.php
+ *
+ * Created by arielferrandini
+ */
+
+namespace PHPQRCode;
+
+class QRrsblock {
+    public $dataLength;
+    public $data = array();
+    public $eccLength;
+    public $ecc = array();
+
+    public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs)
+    {
+        $rs->encode_rs_char($data, $ecc);
+
+        $this->dataLength = $dl;
+        $this->data = $data;
+        $this->eccLength = $el;
+        $this->ecc = $ecc;
+    }
+};
+\ No newline at end of file
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRspec.php b/libs/phpqrcode/lib/PHPQRCode/QRspec.php
new file mode 100755
index 00000000..d6843260
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRspec.php
@@ -0,0 +1,586 @@
+<?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
+ */
+
+namespace PHPQRCode;
+
+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[$version][Constants::QRCAP_WORDS] - self::$capacity[$version][Constants::QRCAP_EC][$level];
+    }
+
+    //----------------------------------------------------------------------
+    public static function getECCLength($version, $level)
+    {
+        return self::$capacity[$version][Constants::QRCAP_EC][$level];
+    }
+
+    //----------------------------------------------------------------------
+    public static function getWidth($version)
+    {
+        return self::$capacity[$version][Constants::QRCAP_WIDTH];
+    }
+
+    //----------------------------------------------------------------------
+    public static function getRemainder($version)
+    {
+        return self::$capacity[$version][Constants::QRCAP_REMINDER];
+    }
+
+    //----------------------------------------------------------------------
+    public static function getMinimumVersion($size, $level)
+    {
+
+        for($i=1; $i<= Constants::QRSPEC_VERSION_MAX; $i++) {
+            $words  = self::$capacity[$i][Constants::QRCAP_WORDS] - self::$capacity[$i][Constants::QRCAP_EC][$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 == Constants::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 == Constants::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 == Constants::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: [Constants::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 || $version > Constants::QRSPEC_VERSION_MAX)
+            return 0;
+
+        return self::$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][Constants::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 || $version > Constants::QRSPEC_VERSION_MAX)
+            return null;
+
+        if(!isset(self::$frames[$version])) {
+
+            $fileName = Constants::QR_CACHE_DIR.'frame_'.$version.'.dat';
+
+            if (Constants::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]; }
+
+}
+\ No newline at end of file
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRsplit.php b/libs/phpqrcode/lib/PHPQRCode/QRsplit.php
new file mode 100755
index 00000000..805140a9
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRsplit.php
@@ -0,0 +1,316 @@
+<?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
+ */
+
+namespace PHPQRCode;
+
+use Exception;
+
+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 Constants::QR_MODE_NUL;
+
+        $c = $this->dataStr[$pos];
+
+        if(self::isdigitat($this->dataStr, $pos)) {
+            return Constants::QR_MODE_NUM;
+        } else if(self::isalnumat($this->dataStr, $pos)) {
+            return Constants::QR_MODE_AN;
+        } else if($this->modeHint == Constants::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 Constants::QR_MODE_KANJI;
+                }
+            }
+        }
+
+        return Constants::QR_MODE_8;
+    }
+
+    //----------------------------------------------------------------------
+    public function eatNum()
+    {
+        $ln = QRspec::lengthIndicator(Constants::QR_MODE_NUM, $this->input->getVersion());
+
+        $p = 0;
+        while(self::isdigitat($this->dataStr, $p)) {
+            $p++;
+        }
+
+        $run = $p;
+        $mode = $this->identifyMode($p);
+
+        if($mode == Constants::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 == Constants::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(Constants::QR_MODE_NUM, $run, str_split($this->dataStr));
+        if($ret < 0)
+            return -1;
+
+        return $run;
+    }
+
+    //----------------------------------------------------------------------
+    public function eatAn()
+    {
+        $la = QRspec::lengthIndicator(Constants::QR_MODE_AN,  $this->input->getVersion());
+        $ln = QRspec::lengthIndicator(Constants::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(Constants::QR_MODE_AN, $run, str_split($this->dataStr));
+        if($ret < 0)
+            return -1;
+
+        return $run;
+    }
+
+    //----------------------------------------------------------------------
+    public function eatKanji()
+    {
+        $p = 0;
+
+        while($this->identifyMode($p) == Constants::QR_MODE_KANJI) {
+            $p += 2;
+        }
+
+        $ret = $this->input->append(Constants::QR_MODE_KANJI, $p, str_split($this->dataStr));
+        if($ret < 0)
+            return -1;
+
+        return $ret;
+    }
+
+    //----------------------------------------------------------------------
+    public function eat8()
+    {
+        $la = QRspec::lengthIndicator(Constants::QR_MODE_AN, $this->input->getVersion());
+        $ln = QRspec::lengthIndicator(Constants::QR_MODE_NUM, $this->input->getVersion());
+
+        $p = 1;
+        $dataStrLen = strlen($this->dataStr);
+
+        while($p < $dataStrLen) {
+
+            $mode = $this->identifyMode($p);
+            if($mode == Constants::QR_MODE_KANJI) {
+                break;
+            }
+            if($mode == Constants::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 == Constants::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(Constants::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 Constants::QR_MODE_NUM: $length = $this->eatNum(); break;
+                case Constants::QR_MODE_AN:  $length = $this->eatAn(); break;
+                case Constants::QR_MODE_KANJI:
+                    if ($hint == Constants::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 == Constants::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 $split->splitString();
+    }
+}
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRstr.php b/libs/phpqrcode/lib/PHPQRCode/QRstr.php
new file mode 100644
index 00000000..64c4bd5c
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRstr.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * PHP QR Code encoder
+ *
+ * Common constants
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+namespace PHPQRCode;
+
+class QRstr {
+    public static function set(&$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));
+    }
+}
+\ No newline at end of file
diff --git a/libs/phpqrcode/lib/PHPQRCode/QRtools.php b/libs/phpqrcode/lib/PHPQRCode/QRtools.php
new file mode 100755
index 00000000..7c75a6e2
--- /dev/null
+++ b/libs/phpqrcode/lib/PHPQRCode/QRtools.php
@@ -0,0 +1,171 @@
+<?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
+ */
+
+namespace PHPQRCode;
+
+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 <= Constants::QRSPEC_VERSION_MAX; $a++) {
+            $frame = QRspec::newFrame($a);
+            if (Constants::QR_IMAGE) {
+                $fileName = Constants::QR_CACHE_DIR.'frame_'.$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, $err)
+    {
+        if (Constants::QR_LOG_DIR !== false) {
+            if ($err != '') {
+                if ($outfile !== false) {
+                    file_put_contents(Constants::QR_LOG_DIR.basename($outfile).'-errors.txt', date('Y-m-d H:i:s').': '.$err, FILE_APPEND);
+                } else {
+                    file_put_contents(Constants::QR_LOG_DIR.'errors.txt', date('Y-m-d H:i:s').': '.$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');
author	Frédéric Guillot <fred@kanboard.net>	2018-06-21 14:13:41 -0700
committer	Frédéric Guillot <fred@kanboard.net>	2018-06-21 14:13:41 -0700
commit	a491348d442ab8e6cd2fa403d4365cdad78e52ce (patch)
tree	a00f575d82afb2c9051bad95398b4250f4a3d44d /libs/phpqrcode/lib
parent	c73ac5f1f818b6b21083f6785b4b2f6d778a6496 (diff)