From 012bf85d6bc87c844606e53a7d5ae7e77a97b28c Mon Sep 17 00:00:00 2001
From: kevinowino869 <kevinowino869@www.codelab.nestict.africa>
Date: Sun, 13 Apr 2025 12:52:18 +0200
Subject: [PATCH] Upload files to "qrcode"
Signed-off-by: kevinowino869 <kevinowino869@www.codelab.nestict.africa>
---
qrcode/qrinput.php | 729 ++++++++++++++++++++++++++++++++++++++++++++
qrcode/qrlib.php | 43 +++
qrcode/qrmask.php | 328 ++++++++++++++++++++
qrcode/qrrscode.php | 210 +++++++++++++
qrcode/qrspec.php | 592 +++++++++++++++++++++++++++++++++++
5 files changed, 1902 insertions(+)
create mode 100644 qrcode/qrinput.php
create mode 100644 qrcode/qrlib.php
create mode 100644 qrcode/qrmask.php
create mode 100644 qrcode/qrrscode.php
create mode 100644 qrcode/qrspec.php
diff --git a/qrcode/qrinput.php b/qrcode/qrinput.php
new file mode 100644
index 0000000..c65f91a
--- /dev/null
+++ b/qrcode/qrinput.php
@@ -0,0 +1,729 @@
+<?php
+/*
+ * PHP QR Code encoder
+ *
+ * Input encoding class
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+ define('STRUCTURE_HEADER_BITS', 20);
+ define('MAX_STRUCTURED_SYMBOLS', 16);
+
+ class QRinputItem {
+
+ public $mode;
+ public $size;
+ public $data;
+ public $bstream;
+
+ public function __construct($mode, $size, $data, $bstream = null)
+ {
+ $setData = array_slice($data, 0, $size);
+
+ if (count($setData) < $size) {
+ $setData = array_merge($setData, array_fill(0,$size-count($setData),0));
+ }
+
+ if(!QRinput::check($mode, $size, $setData)) {
+ throw new Exception('Error m:'.$mode.',s:'.$size.',d:'.join(',',$setData));
+ return null;
+ }
+
+ $this->mode = $mode;
+ $this->size = $size;
+ $this->data = $setData;
+ $this->bstream = $bstream;
+ }
+
+ //----------------------------------------------------------------------
+ public function encodeModeNum($version)
+ {
+ try {
+
+ $words = (int)($this->size / 3);
+ $bs = new QRbitstream();
+
+ $val = 0x1;
+ $bs->appendNum(4, $val);
+ $bs->appendNum(QRspec::lengthIndicator(QR_MODE_NUM, $version), $this->size);
+
+ for($i=0; $i<$words; $i++) {
+ $val = (ord($this->data[$i*3 ]) - ord('0')) * 100;
+ $val += (ord($this->data[$i*3+1]) - ord('0')) * 10;
+ $val += (ord($this->data[$i*3+2]) - ord('0'));
+ $bs->appendNum(10, $val);
+ }
+
+ if($this->size - $words * 3 == 1) {
+ $val = ord($this->data[$words*3]) - ord('0');
+ $bs->appendNum(4, $val);
+ } else if($this->size - $words * 3 == 2) {
+ $val = (ord($this->data[$words*3 ]) - ord('0')) * 10;
+ $val += (ord($this->data[$words*3+1]) - ord('0'));
+ $bs->appendNum(7, $val);
+ }
+
+ $this->bstream = $bs;
+ return 0;
+
+ } catch (Exception $e) {
+ return -1;
+ }
+ }
+
+ //----------------------------------------------------------------------
+ public function encodeModeAn($version)
+ {
+ try {
+ $words = (int)($this->size / 2);
+ $bs = new QRbitstream();
+
+ $bs->appendNum(4, 0x02);
+ $bs->appendNum(QRspec::lengthIndicator(QR_MODE_AN, $version), $this->size);
+
+ for($i=0; $i<$words; $i++) {
+ $val = (int)QRinput::lookAnTable(ord($this->data[$i*2 ])) * 45;
+ $val += (int)QRinput::lookAnTable(ord($this->data[$i*2+1]));
+
+ $bs->appendNum(11, $val);
+ }
+
+ if($this->size & 1) {
+ $val = QRinput::lookAnTable(ord($this->data[$words * 2]));
+ $bs->appendNum(6, $val);
+ }
+
+ $this->bstream = $bs;
+ return 0;
+
+ } catch (Exception $e) {
+ return -1;
+ }
+ }
+
+ //----------------------------------------------------------------------
+ public function encodeMode8($version)
+ {
+ try {
+ $bs = new QRbitstream();
+
+ $bs->appendNum(4, 0x4);
+ $bs->appendNum(QRspec::lengthIndicator(QR_MODE_8, $version), $this->size);
+
+ for($i=0; $i<$this->size; $i++) {
+ $bs->appendNum(8, ord($this->data[$i]));
+ }
+
+ $this->bstream = $bs;
+ return 0;
+
+ } catch (Exception $e) {
+ return -1;
+ }
+ }
+
+ //----------------------------------------------------------------------
+ public function encodeModeKanji($version)
+ {
+ try {
+
+ $bs = new QRbitrtream();
+
+ $bs->appendNum(4, 0x8);
+ $bs->appendNum(QRspec::lengthIndicator(QR_MODE_KANJI, $version), (int)($this->size / 2));
+
+ for($i=0; $i<$this->size; $i+=2) {
+ $val = (ord($this->data[$i]) << 8) | ord($this->data[$i+1]);
+ if($val <= 0x9ffc) {
+ $val -= 0x8140;
+ } else {
+ $val -= 0xc140;
+ }
+
+ $h = ($val >> 8) * 0xc0;
+ $val = ($val & 0xff) + $h;
+
+ $bs->appendNum(13, $val);
+ }
+
+ $this->bstream = $bs;
+ return 0;
+
+ } catch (Exception $e) {
+ return -1;
+ }
+ }
+
+ //----------------------------------------------------------------------
+ public function encodeModeStructure()
+ {
+ try {
+ $bs = new QRbitstream();
+
+ $bs->appendNum(4, 0x03);
+ $bs->appendNum(4, ord($this->data[1]) - 1);
+ $bs->appendNum(4, ord($this->data[0]) - 1);
+ $bs->appendNum(8, ord($this->data[2]));
+
+ $this->bstream = $bs;
+ return 0;
+
+ } catch (Exception $e) {
+ return -1;
+ }
+ }
+
+ //----------------------------------------------------------------------
+ public function estimateBitStreamSizeOfEntry($version)
+ {
+ $bits = 0;
+
+ if($version == 0)
+ $version = 1;
+
+ switch($this->mode) {
+ case QR_MODE_NUM: $bits = QRinput::estimateBitsModeNum($this->size); break;
+ case QR_MODE_AN: $bits = QRinput::estimateBitsModeAn($this->size); break;
+ case QR_MODE_8: $bits = QRinput::estimateBitsMode8($this->size); break;
+ case QR_MODE_KANJI: $bits = QRinput::estimateBitsModeKanji($this->size);break;
+ case QR_MODE_STRUCTURE: return STRUCTURE_HEADER_BITS;
+ default:
+ return 0;
+ }
+
+ $l = QRspec::lengthIndicator($this->mode, $version);
+ $m = 1 << $l;
+ $num = (int)(($this->size + $m - 1) / $m);
+
+ $bits += $num * (4 + $l);
+
+ return $bits;
+ }
+
+ //----------------------------------------------------------------------
+ public function encodeBitStream($version)
+ {
+ try {
+
+ unset($this->bstream);
+ $words = QRspec::maximumWords($this->mode, $version);
+
+ if($this->size > $words) {
+
+ $st1 = new QRinputItem($this->mode, $words, $this->data);
+ $st2 = new QRinputItem($this->mode, $this->size - $words, array_slice($this->data, $words));
+
+ $st1->encodeBitStream($version);
+ $st2->encodeBitStream($version);
+
+ $this->bstream = new QRbitstream();
+ $this->bstream->append($st1->bstream);
+ $this->bstream->append($st2->bstream);
+
+ unset($st1);
+ unset($st2);
+
+ } else {
+
+ $ret = 0;
+
+ switch($this->mode) {
+ case QR_MODE_NUM: $ret = $this->encodeModeNum($version); break;
+ case QR_MODE_AN: $ret = $this->encodeModeAn($version); break;
+ case QR_MODE_8: $ret = $this->encodeMode8($version); break;
+ case QR_MODE_KANJI: $ret = $this->encodeModeKanji($version);break;
+ case QR_MODE_STRUCTURE: $ret = $this->encodeModeStructure(); break;
+
+ default:
+ break;
+ }
+
+ if($ret < 0)
+ return -1;
+ }
+
+ return $this->bstream->size();
+
+ } catch (Exception $e) {
+ return -1;
+ }
+ }
+ };
+
+ //##########################################################################
+
+ class QRinput {
+
+ public $items;
+
+ private $version;
+ private $level;
+
+ //----------------------------------------------------------------------
+ public function __construct($version = 0, $level = QR_ECLEVEL_L)
+ {
+ if ($version < 0 || $version > QRSPEC_VERSION_MAX || $level > QR_ECLEVEL_H) {
+ throw new Exception('Invalid version no');
+ return NULL;
+ }
+
+ $this->version = $version;
+ $this->level = $level;
+ }
+
+ //----------------------------------------------------------------------
+ public function getVersion()
+ {
+ return $this->version;
+ }
+
+ //----------------------------------------------------------------------
+ public function setVersion($version)
+ {
+ if($version < 0 || $version > QRSPEC_VERSION_MAX) {
+ throw new Exception('Invalid version no');
+ return -1;
+ }
+
+ $this->version = $version;
+
+ return 0;
+ }
+
+ //----------------------------------------------------------------------
+ public function getErrorCorrectionLevel()
+ {
+ return $this->level;
+ }
+
+ //----------------------------------------------------------------------
+ public function setErrorCorrectionLevel($level)
+ {
+ if($level > QR_ECLEVEL_H) {
+ throw new Exception('Invalid ECLEVEL');
+ return -1;
+ }
+
+ $this->level = $level;
+
+ return 0;
+ }
+
+ //----------------------------------------------------------------------
+ public function appendEntry(QRinputItem $entry)
+ {
+ $this->items[] = $entry;
+ }
+
+ //----------------------------------------------------------------------
+ public function append($mode, $size, $data)
+ {
+ try {
+ $entry = new QRinputItem($mode, $size, $data);
+ $this->items[] = $entry;
+ return 0;
+ } catch (Exception $e) {
+ return -1;
+ }
+ }
+
+ //----------------------------------------------------------------------
+
+ public function insertStructuredAppendHeader($size, $index, $parity)
+ {
+ if( $size > MAX_STRUCTURED_SYMBOLS ) {
+ throw new Exception('insertStructuredAppendHeader wrong size');
+ }
+
+ if( $index <= 0 || $index > MAX_STRUCTURED_SYMBOLS ) {
+ throw new Exception('insertStructuredAppendHeader wrong index');
+ }
+
+ $buf = array($size, $index, $parity);
+
+ try {
+ $entry = new QRinputItem(QR_MODE_STRUCTURE, 3, buf);
+ array_unshift($this->items, $entry);
+ return 0;
+ } catch (Exception $e) {
+ return -1;
+ }
+ }
+
+ //----------------------------------------------------------------------
+ public function calcParity()
+ {
+ $parity = 0;
+
+ foreach($this->items as $item) {
+ if($item->mode != QR_MODE_STRUCTURE) {
+ for($i=$item->size-1; $i>=0; $i--) {
+ $parity ^= $item->data[$i];
+ }
+ }
+ }
+
+ return $parity;
+ }
+
+ //----------------------------------------------------------------------
+ public static function checkModeNum($size, $data)
+ {
+ for($i=0; $i<$size; $i++) {
+ if((ord($data[$i]) < ord('0')) || (ord($data[$i]) > ord('9'))){
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ //----------------------------------------------------------------------
+ public static function estimateBitsModeNum($size)
+ {
+ $w = (int)$size / 3;
+ $bits = $w * 10;
+
+ switch($size - $w * 3) {
+ case 1:
+ $bits += 4;
+ break;
+ case 2:
+ $bits += 7;
+ break;
+ default:
+ break;
+ }
+
+ return $bits;
+ }
+
+ //----------------------------------------------------------------------
+ public static $anTable = array(
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ 36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43,
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 44, -1, -1, -1, -1, -1,
+ -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+ 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+ );
+
+ //----------------------------------------------------------------------
+ public static function lookAnTable($c)
+ {
+ return (($c > 127)?-1:self::$anTable[$c]);
+ }
+
+ //----------------------------------------------------------------------
+ public static function checkModeAn($size, $data)
+ {
+ for($i=0; $i<$size; $i++) {
+ if (self::lookAnTable(ord($data[$i])) == -1) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ //----------------------------------------------------------------------
+ public static function estimateBitsModeAn($size)
+ {
+ $w = (int)($size / 2);
+ $bits = $w * 11;
+
+ if($size & 1) {
+ $bits += 6;
+ }
+
+ return $bits;
+ }
+
+ //----------------------------------------------------------------------
+ public static function estimateBitsMode8($size)
+ {
+ return $size * 8;
+ }
+
+ //----------------------------------------------------------------------
+ public function estimateBitsModeKanji($size)
+ {
+ return (int)(($size / 2) * 13);
+ }
+
+ //----------------------------------------------------------------------
+ public static function checkModeKanji($size, $data)
+ {
+ if($size & 1)
+ return false;
+
+ for($i=0; $i<$size; $i+=2) {
+ $val = (ord($data[$i]) << 8) | ord($data[$i+1]);
+ if( $val < 0x8140
+ || ($val > 0x9ffc && $val < 0xe040)
+ || $val > 0xebbf) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /***********************************************************************
+ * Validation
+ **********************************************************************/
+
+ public static function check($mode, $size, $data)
+ {
+ if($size <= 0)
+ return false;
+
+ switch($mode) {
+ case QR_MODE_NUM: return self::checkModeNum($size, $data); break;
+ case QR_MODE_AN: return self::checkModeAn($size, $data); break;
+ case QR_MODE_KANJI: return self::checkModeKanji($size, $data); break;
+ case QR_MODE_8: return true; break;
+ case QR_MODE_STRUCTURE: return true; break;
+
+ default:
+ break;
+ }
+
+ return false;
+ }
+
+
+ //----------------------------------------------------------------------
+ public function estimateBitStreamSize($version)
+ {
+ $bits = 0;
+
+ foreach($this->items as $item) {
+ $bits += $item->estimateBitStreamSizeOfEntry($version);
+ }
+
+ return $bits;
+ }
+
+ //----------------------------------------------------------------------
+ public function estimateVersion()
+ {
+ $version = 0;
+ $prev = 0;
+ do {
+ $prev = $version;
+ $bits = $this->estimateBitStreamSize($prev);
+ $version = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level);
+ if ($version < 0) {
+ return -1;
+ }
+ } while ($version > $prev);
+
+ return $version;
+ }
+
+ //----------------------------------------------------------------------
+ public static function lengthOfCode($mode, $version, $bits)
+ {
+ $payload = $bits - 4 - QRspec::lengthIndicator($mode, $version);
+ switch($mode) {
+ case QR_MODE_NUM:
+ $chunks = (int)($payload / 10);
+ $remain = $payload - $chunks * 10;
+ $size = $chunks * 3;
+ if($remain >= 7) {
+ $size += 2;
+ } else if($remain >= 4) {
+ $size += 1;
+ }
+ break;
+ case QR_MODE_AN:
+ $chunks = (int)($payload / 11);
+ $remain = $payload - $chunks * 11;
+ $size = $chunks * 2;
+ if($remain >= 6)
+ $size++;
+ break;
+ case QR_MODE_8:
+ $size = (int)($payload / 8);
+ break;
+ case QR_MODE_KANJI:
+ $size = (int)(($payload / 13) * 2);
+ break;
+ case QR_MODE_STRUCTURE:
+ $size = (int)($payload / 8);
+ break;
+ default:
+ $size = 0;
+ break;
+ }
+
+ $maxsize = QRspec::maximumWords($mode, $version);
+ if($size < 0) $size = 0;
+ if($size > $maxsize) $size = $maxsize;
+
+ return $size;
+ }
+
+ //----------------------------------------------------------------------
+ public function createBitStream()
+ {
+ $total = 0;
+
+ foreach($this->items as $item) {
+ $bits = $item->encodeBitStream($this->version);
+
+ if($bits < 0)
+ return -1;
+
+ $total += $bits;
+ }
+
+ return $total;
+ }
+
+ //----------------------------------------------------------------------
+ public function convertData()
+ {
+ $ver = $this->estimateVersion();
+ if($ver > $this->getVersion()) {
+ $this->setVersion($ver);
+ }
+
+ for(;;) {
+ $bits = $this->createBitStream();
+
+ if($bits < 0)
+ return -1;
+
+ $ver = QRspec::getMinimumVersion((int)(($bits + 7) / 8), $this->level);
+ if($ver < 0) {
+ throw new Exception('WRONG VERSION');
+ return -1;
+ } else if($ver > $this->getVersion()) {
+ $this->setVersion($ver);
+ } else {
+ break;
+ }
+ }
+
+ return 0;
+ }
+
+ //----------------------------------------------------------------------
+ public function appendPaddingBit(&$bstream)
+ {
+ $bits = $bstream->size();
+ $maxwords = QRspec::getDataLength($this->version, $this->level);
+ $maxbits = $maxwords * 8;
+
+ if ($maxbits == $bits) {
+ return 0;
+ }
+
+ if ($maxbits - $bits < 5) {
+ return $bstream->appendNum($maxbits - $bits, 0);
+ }
+
+ $bits += 4;
+ $words = (int)(($bits + 7) / 8);
+
+ $padding = new QRbitstream();
+ $ret = $padding->appendNum($words * 8 - $bits + 4, 0);
+
+ if($ret < 0)
+ return $ret;
+
+ $padlen = $maxwords - $words;
+
+ if($padlen > 0) {
+
+ $padbuf = array();
+ for($i=0; $i<$padlen; $i++) {
+ $padbuf[$i] = ($i&1)?0x11:0xec;
+ }
+
+ $ret = $padding->appendBytes($padlen, $padbuf);
+
+ if($ret < 0)
+ return $ret;
+
+ }
+
+ $ret = $bstream->append($padding);
+
+ return $ret;
+ }
+
+ //----------------------------------------------------------------------
+ public function mergeBitStream()
+ {
+ if($this->convertData() < 0) {
+ return null;
+ }
+
+ $bstream = new QRbitstream();
+
+ foreach($this->items as $item) {
+ $ret = $bstream->append($item->bstream);
+ if($ret < 0) {
+ return null;
+ }
+ }
+
+ return $bstream;
+ }
+
+ //----------------------------------------------------------------------
+ public function getBitStream()
+ {
+
+ $bstream = $this->mergeBitStream();
+
+ if($bstream == null) {
+ return null;
+ }
+
+ $ret = $this->appendPaddingBit($bstream);
+ if($ret < 0) {
+ return null;
+ }
+
+ return $bstream;
+ }
+
+ //----------------------------------------------------------------------
+ public function getByteStream()
+ {
+ $bstream = $this->getBitStream();
+ if($bstream == null) {
+ return null;
+ }
+
+ return $bstream->toByte();
+ }
+ }
+
+
+
\ No newline at end of file
diff --git a/qrcode/qrlib.php b/qrcode/qrlib.php
new file mode 100644
index 0000000..43059b9
--- /dev/null
+++ b/qrcode/qrlib.php
@@ -0,0 +1,43 @@
+<?php
+/*
+ * PHP QR Code encoder
+ *
+ * Root library file, prepares environment and includes dependencies
+ *
+ * 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
+ */
+
+ $QR_BASEDIR = dirname(__FILE__).DIRECTORY_SEPARATOR;
+
+ // Required libs
+
+ include $QR_BASEDIR."qrconst.php";
+ include $QR_BASEDIR."qrconfig.php";
+ include $QR_BASEDIR."qrtools.php";
+ include $QR_BASEDIR."qrspec.php";
+ include $QR_BASEDIR."qrimage.php";
+ include $QR_BASEDIR."qrinput.php";
+ include $QR_BASEDIR."qrbitstream.php";
+ include $QR_BASEDIR."qrsplit.php";
+ include $QR_BASEDIR."qrrscode.php";
+ include $QR_BASEDIR."qrmask.php";
+ include $QR_BASEDIR."qrencode.php";
+
diff --git a/qrcode/qrmask.php b/qrcode/qrmask.php
new file mode 100644
index 0000000..2d388e0
--- /dev/null
+++ b/qrcode/qrmask.php
@@ -0,0 +1,328 @@
+<?php
+/*
+ * PHP QR Code encoder
+ *
+ * Masking
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+ define('N1', 3);
+ define('N2', 3);
+ define('N3', 40);
+ define('N4', 10);
+
+ class QRmask {
+
+ public $runLength = array();
+
+ //----------------------------------------------------------------------
+ public function __construct()
+ {
+ $this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0);
+ }
+
+ //----------------------------------------------------------------------
+ public function writeFormatInformation($width, &$frame, $mask, $level)
+ {
+ $blacks = 0;
+ $format = QRspec::getFormatInfo($mask, $level);
+
+ for($i=0; $i<8; $i++) {
+ if($format & 1) {
+ $blacks += 2;
+ $v = 0x85;
+ } else {
+ $v = 0x84;
+ }
+
+ $frame[8][$width - 1 - $i] = chr($v);
+ if($i < 6) {
+ $frame[$i][8] = chr($v);
+ } else {
+ $frame[$i + 1][8] = chr($v);
+ }
+ $format = $format >> 1;
+ }
+
+ for($i=0; $i<7; $i++) {
+ if($format & 1) {
+ $blacks += 2;
+ $v = 0x85;
+ } else {
+ $v = 0x84;
+ }
+
+ $frame[$width - 7 + $i][8] = chr($v);
+ if($i == 0) {
+ $frame[8][7] = chr($v);
+ } else {
+ $frame[8][6 - $i] = chr($v);
+ }
+
+ $format = $format >> 1;
+ }
+
+ return $blacks;
+ }
+
+ //----------------------------------------------------------------------
+ public function mask0($x, $y) { return ($x+$y)&1; }
+ public function mask1($x, $y) { return ($y&1); }
+ public function mask2($x, $y) { return ($x%3); }
+ public function mask3($x, $y) { return ($x+$y)%3; }
+ public function mask4($x, $y) { return (((int)($y/2))+((int)($x/3)))&1; }
+ public function mask5($x, $y) { return (($x*$y)&1)+($x*$y)%3; }
+ public function mask6($x, $y) { return ((($x*$y)&1)+($x*$y)%3)&1; }
+ public function mask7($x, $y) { return ((($x*$y)%3)+(($x+$y)&1))&1; }
+
+ //----------------------------------------------------------------------
+ private function generateMaskNo($maskNo, $width, $frame)
+ {
+ $bitMask = array_fill(0, $width, array_fill(0, $width, 0));
+
+ for($y=0; $y<$width; $y++) {
+ for($x=0; $x<$width; $x++) {
+ if(ord($frame[$y][$x]) & 0x80) {
+ $bitMask[$y][$x] = 0;
+ } else {
+ $maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y);
+ $bitMask[$y][$x] = ($maskFunc == 0)?1:0;
+ }
+
+ }
+ }
+
+ return $bitMask;
+ }
+
+ //----------------------------------------------------------------------
+ public static function serial($bitFrame)
+ {
+ $codeArr = array();
+
+ foreach ($bitFrame as $line)
+ $codeArr[] = join('', $line);
+
+ return gzcompress(join("\n", $codeArr), 9);
+ }
+
+ //----------------------------------------------------------------------
+ public static function unserial($code)
+ {
+ $codeArr = array();
+
+ $codeLines = explode("\n", gzuncompress($code));
+ foreach ($codeLines as $line)
+ $codeArr[] = str_split($line);
+
+ return $codeArr;
+ }
+
+ //----------------------------------------------------------------------
+ public function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly = false)
+ {
+ $b = 0;
+ $bitMask = array();
+
+ $fileName = QR_CACHE_DIR.'mask_'.$maskNo.DIRECTORY_SEPARATOR.'mask_'.$width.'_'.$maskNo.'.dat';
+
+ if (QR_CACHEABLE) {
+ if (file_exists($fileName)) {
+ $bitMask = self::unserial(file_get_contents($fileName));
+ } else {
+ $bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);
+ if (!file_exists(QR_CACHE_DIR.'mask_'.$maskNo))
+ mkdir(QR_CACHE_DIR.'mask_'.$maskNo);
+ file_put_contents($fileName, self::serial($bitMask));
+ }
+ } else {
+ $bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);
+ }
+
+ if ($maskGenOnly)
+ return;
+
+ $d = $s;
+
+ for($y=0; $y<$width; $y++) {
+ for($x=0; $x<$width; $x++) {
+ if($bitMask[$y][$x] == 1) {
+ $d[$y][$x] = chr(ord($s[$y][$x]) ^ (int)$bitMask[$y][$x]);
+ }
+ $b += (int)(ord($d[$y][$x]) & 1);
+ }
+ }
+
+ return $b;
+ }
+
+ //----------------------------------------------------------------------
+ public function makeMask($width, $frame, $maskNo, $level)
+ {
+ $masked = array_fill(0, $width, str_repeat("\0", $width));
+ $this->makeMaskNo($maskNo, $width, $frame, $masked);
+ $this->writeFormatInformation($width, $masked, $maskNo, $level);
+
+ return $masked;
+ }
+
+ //----------------------------------------------------------------------
+ public function calcN1N3($length)
+ {
+ $demerit = 0;
+
+ for($i=0; $i<$length; $i++) {
+
+ if($this->runLength[$i] >= 5) {
+ $demerit += (N1 + ($this->runLength[$i] - 5));
+ }
+ if($i & 1) {
+ if(($i >= 3) && ($i < ($length-2)) && ($this->runLength[$i] % 3 == 0)) {
+ $fact = (int)($this->runLength[$i] / 3);
+ if(($this->runLength[$i-2] == $fact) &&
+ ($this->runLength[$i-1] == $fact) &&
+ ($this->runLength[$i+1] == $fact) &&
+ ($this->runLength[$i+2] == $fact)) {
+ if(($this->runLength[$i-3] < 0) || ($this->runLength[$i-3] >= (4 * $fact))) {
+ $demerit += N3;
+ } else if((($i+3) >= $length) || ($this->runLength[$i+3] >= (4 * $fact))) {
+ $demerit += N3;
+ }
+ }
+ }
+ }
+ }
+ return $demerit;
+ }
+
+ //----------------------------------------------------------------------
+ public function evaluateSymbol($width, $frame)
+ {
+ $head = 0;
+ $demerit = 0;
+
+ for($y=0; $y<$width; $y++) {
+ $head = 0;
+ $this->runLength[0] = 1;
+
+ $frameY = $frame[$y];
+
+ if ($y>0)
+ $frameYM = $frame[$y-1];
+
+ for($x=0; $x<$width; $x++) {
+ if(($x > 0) && ($y > 0)) {
+ $b22 = ord($frameY[$x]) & ord($frameY[$x-1]) & ord($frameYM[$x]) & ord($frameYM[$x-1]);
+ $w22 = ord($frameY[$x]) | ord($frameY[$x-1]) | ord($frameYM[$x]) | ord($frameYM[$x-1]);
+
+ if(($b22 | ($w22 ^ 1))&1) {
+ $demerit += N2;
+ }
+ }
+ if(($x == 0) && (ord($frameY[$x]) & 1)) {
+ $this->runLength[0] = -1;
+ $head = 1;
+ $this->runLength[$head] = 1;
+ } else if($x > 0) {
+ if((ord($frameY[$x]) ^ ord($frameY[$x-1])) & 1) {
+ $head++;
+ $this->runLength[$head] = 1;
+ } else {
+ $this->runLength[$head]++;
+ }
+ }
+ }
+
+ $demerit += $this->calcN1N3($head+1);
+ }
+
+ for($x=0; $x<$width; $x++) {
+ $head = 0;
+ $this->runLength[0] = 1;
+
+ for($y=0; $y<$width; $y++) {
+ if($y == 0 && (ord($frame[$y][$x]) & 1)) {
+ $this->runLength[0] = -1;
+ $head = 1;
+ $this->runLength[$head] = 1;
+ } else if($y > 0) {
+ if((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) {
+ $head++;
+ $this->runLength[$head] = 1;
+ } else {
+ $this->runLength[$head]++;
+ }
+ }
+ }
+
+ $demerit += $this->calcN1N3($head+1);
+ }
+
+ return $demerit;
+ }
+
+
+ //----------------------------------------------------------------------
+ public function mask($width, $frame, $level)
+ {
+ $minDemerit = PHP_INT_MAX;
+ $bestMaskNum = 0;
+ $bestMask = array();
+
+ $checked_masks = array(0,1,2,3,4,5,6,7);
+
+ if (QR_FIND_FROM_RANDOM !== false) {
+
+ $howManuOut = 8-(QR_FIND_FROM_RANDOM % 9);
+ for ($i = 0; $i < $howManuOut; $i++) {
+ $remPos = rand (0, count($checked_masks)-1);
+ unset($checked_masks[$remPos]);
+ $checked_masks = array_values($checked_masks);
+ }
+
+ }
+
+ $bestMask = $frame;
+
+ foreach($checked_masks as $i) {
+ $mask = array_fill(0, $width, str_repeat("\0", $width));
+
+ $demerit = 0;
+ $blacks = 0;
+ $blacks = $this->makeMaskNo($i, $width, $frame, $mask);
+ $blacks += $this->writeFormatInformation($width, $mask, $i, $level);
+ $blacks = (int)(100 * $blacks / ($width * $width));
+ $demerit = (int)((int)(abs($blacks - 50) / 5) * N4);
+ $demerit += $this->evaluateSymbol($width, $mask);
+
+ if($demerit < $minDemerit) {
+ $minDemerit = $demerit;
+ $bestMask = $mask;
+ $bestMaskNum = $i;
+ }
+ }
+
+ return $bestMask;
+ }
+
+ //----------------------------------------------------------------------
+ }
diff --git a/qrcode/qrrscode.php b/qrcode/qrrscode.php
new file mode 100644
index 0000000..d7a97d9
--- /dev/null
+++ b/qrcode/qrrscode.php
@@ -0,0 +1,210 @@
+<?php
+/*
+ * PHP QR Code encoder
+ *
+ * Reed-Solomon error correction support
+ *
+ * Copyright (C) 2002, 2003, 2004, 2006 Phil Karn, KA9Q
+ * (libfec is released under the GNU Lesser General Public License.)
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+ class QRrsItem {
+
+ public $mm; // Bits per symbol
+ public $nn; // Symbols per block (= (1<<mm)-1)
+ public $alpha_to = array(); // log lookup table
+ public $index_of = array(); // Antilog lookup table
+ public $genpoly = array(); // Generator polynomial
+ public $nroots; // Number of generator roots = number of parity symbols
+ public $fcr; // First consecutive root, index form
+ public $prim; // Primitive element, index form
+ public $iprim; // prim-th root of 1, index form
+ public $pad; // Padding bytes in shortened block
+ public $gfpoly;
+
+ //----------------------------------------------------------------------
+ public function modnn($x)
+ {
+ while ($x >= $this->nn) {
+ $x -= $this->nn;
+ $x = ($x >> $this->mm) + ($x & $this->nn);
+ }
+
+ return $x;
+ }
+
+ //----------------------------------------------------------------------
+ public static function init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)
+ {
+ // Common code for intializing a Reed-Solomon control block (char or int symbols)
+ // Copyright 2004 Phil Karn, KA9Q
+ // May be used under the terms of the GNU Lesser General Public License (LGPL)
+
+ $rs = null;
+
+ // Check parameter ranges
+ if($symsize < 0 || $symsize > 8) return $rs;
+ if($fcr < 0 || $fcr >= (1<<$symsize)) return $rs;
+ if($prim <= 0 || $prim >= (1<<$symsize)) return $rs;
+ if($nroots < 0 || $nroots >= (1<<$symsize)) return $rs; // Can't have more roots than symbol values!
+ if($pad < 0 || $pad >= ((1<<$symsize) -1 - $nroots)) return $rs; // Too much padding
+
+ $rs = new QRrsItem();
+ $rs->mm = $symsize;
+ $rs->nn = (1<<$symsize)-1;
+ $rs->pad = $pad;
+
+ $rs->alpha_to = array_fill(0, $rs->nn+1, 0);
+ $rs->index_of = array_fill(0, $rs->nn+1, 0);
+
+ // PHP style macro replacement ;)
+ $NN =& $rs->nn;
+ $A0 =& $NN;
+
+ // Generate Galois field lookup tables
+ $rs->index_of[0] = $A0; // log(zero) = -inf
+ $rs->alpha_to[$A0] = 0; // alpha**-inf = 0
+ $sr = 1;
+
+ for($i=0; $i<$rs->nn; $i++) {
+ $rs->index_of[$sr] = $i;
+ $rs->alpha_to[$i] = $sr;
+ $sr <<= 1;
+ if($sr & (1<<$symsize)) {
+ $sr ^= $gfpoly;
+ }
+ $sr &= $rs->nn;
+ }
+
+ if($sr != 1){
+ // field generator polynomial is not primitive!
+ $rs = NULL;
+ return $rs;
+ }
+
+ /* Form RS code generator polynomial from its roots */
+ $rs->genpoly = array_fill(0, $nroots+1, 0);
+
+ $rs->fcr = $fcr;
+ $rs->prim = $prim;
+ $rs->nroots = $nroots;
+ $rs->gfpoly = $gfpoly;
+
+ /* Find prim-th root of 1, used in decoding */
+ for($iprim=1;($iprim % $prim) != 0;$iprim += $rs->nn)
+ ; // intentional empty-body loop!
+
+ $rs->iprim = (int)($iprim / $prim);
+ $rs->genpoly[0] = 1;
+
+ for ($i = 0,$root=$fcr*$prim; $i < $nroots; $i++, $root += $prim) {
+ $rs->genpoly[$i+1] = 1;
+
+ // Multiply rs->genpoly[] by @**(root + x)
+ for ($j = $i; $j > 0; $j--) {
+ if ($rs->genpoly[$j] != 0) {
+ $rs->genpoly[$j] = $rs->genpoly[$j-1] ^ $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[$j]] + $root)];
+ } else {
+ $rs->genpoly[$j] = $rs->genpoly[$j-1];
+ }
+ }
+ // rs->genpoly[0] can never be zero
+ $rs->genpoly[0] = $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[0]] + $root)];
+ }
+
+ // convert rs->genpoly[] to index form for quicker encoding
+ for ($i = 0; $i <= $nroots; $i++)
+ $rs->genpoly[$i] = $rs->index_of[$rs->genpoly[$i]];
+
+ return $rs;
+ }
+
+ //----------------------------------------------------------------------
+ public function encode_rs_char($data, &$parity)
+ {
+ $MM =& $this->mm;
+ $NN =& $this->nn;
+ $ALPHA_TO =& $this->alpha_to;
+ $INDEX_OF =& $this->index_of;
+ $GENPOLY =& $this->genpoly;
+ $NROOTS =& $this->nroots;
+ $FCR =& $this->fcr;
+ $PRIM =& $this->prim;
+ $IPRIM =& $this->iprim;
+ $PAD =& $this->pad;
+ $A0 =& $NN;
+
+ $parity = array_fill(0, $NROOTS, 0);
+
+ for($i=0; $i< ($NN-$NROOTS-$PAD); $i++) {
+
+ $feedback = $INDEX_OF[$data[$i] ^ $parity[0]];
+ if($feedback != $A0) {
+ // feedback term is non-zero
+
+ // This line is unnecessary when GENPOLY[NROOTS] is unity, as it must
+ // always be for the polynomials constructed by init_rs()
+ $feedback = $this->modnn($NN - $GENPOLY[$NROOTS] + $feedback);
+
+ for($j=1;$j<$NROOTS;$j++) {
+ $parity[$j] ^= $ALPHA_TO[$this->modnn($feedback + $GENPOLY[$NROOTS-$j])];
+ }
+ }
+
+ // Shift
+ array_shift($parity);
+ if($feedback != $A0) {
+ array_push($parity, $ALPHA_TO[$this->modnn($feedback + $GENPOLY[0])]);
+ } else {
+ array_push($parity, 0);
+ }
+ }
+ }
+ }
+
+ //##########################################################################
+
+ class QRrs {
+
+ public static $items = array();
+
+ //----------------------------------------------------------------------
+ public static function init_rs($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)
+ {
+ foreach(self::$items as $rs) {
+ if($rs->pad != $pad) continue;
+ if($rs->nroots != $nroots) continue;
+ if($rs->mm != $symsize) continue;
+ if($rs->gfpoly != $gfpoly) continue;
+ if($rs->fcr != $fcr) continue;
+ if($rs->prim != $prim) continue;
+
+ return $rs;
+ }
+
+ $rs = QRrsItem::init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad);
+ array_unshift(self::$items, $rs);
+
+ return $rs;
+ }
+ }
\ No newline at end of file
diff --git a/qrcode/qrspec.php b/qrcode/qrspec.php
new file mode 100644
index 0000000..5a0c4b3
--- /dev/null
+++ b/qrcode/qrspec.php
@@ -0,0 +1,592 @@
+<?php
+/*
+ * PHP QR Code encoder
+ *
+ * QR Code specifications
+ *
+ * Based on libqrencode C library distributed under LGPL 2.1
+ * Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
+ *
+ * PHP QR Code is distributed under LGPL 3
+ * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
+ *
+ * The following data / specifications are taken from
+ * "Two dimensional symbol -- QR-code -- Basic Specification" (JIS X0510:2004)
+ * or
+ * "Automatic identification and data capture techniques --
+ * QR Code 2005 bar code symbology specification" (ISO/IEC 18004:2006)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+ define('QRSPEC_VERSION_MAX', 40);
+ define('QRSPEC_WIDTH_MAX', 177);
+
+ define('QRCAP_WIDTH', 0);
+ define('QRCAP_WORDS', 1);
+ define('QRCAP_REMINDER', 2);
+ define('QRCAP_EC', 3);
+
+ class QRspec {
+
+ public static $capacity = array(
+ array( 0, 0, 0, array( 0, 0, 0, 0)),
+ array( 21, 26, 0, array( 7, 10, 13, 17)), // 1
+ array( 25, 44, 7, array( 10, 16, 22, 28)),
+ array( 29, 70, 7, array( 15, 26, 36, 44)),
+ array( 33, 100, 7, array( 20, 36, 52, 64)),
+ array( 37, 134, 7, array( 26, 48, 72, 88)), // 5
+ array( 41, 172, 7, array( 36, 64, 96, 112)),
+ array( 45, 196, 0, array( 40, 72, 108, 130)),
+ array( 49, 242, 0, array( 48, 88, 132, 156)),
+ array( 53, 292, 0, array( 60, 110, 160, 192)),
+ array( 57, 346, 0, array( 72, 130, 192, 224)), //10
+ array( 61, 404, 0, array( 80, 150, 224, 264)),
+ array( 65, 466, 0, array( 96, 176, 260, 308)),
+ array( 69, 532, 0, array( 104, 198, 288, 352)),
+ array( 73, 581, 3, array( 120, 216, 320, 384)),
+ array( 77, 655, 3, array( 132, 240, 360, 432)), //15
+ array( 81, 733, 3, array( 144, 280, 408, 480)),
+ array( 85, 815, 3, array( 168, 308, 448, 532)),
+ array( 89, 901, 3, array( 180, 338, 504, 588)),
+ array( 93, 991, 3, array( 196, 364, 546, 650)),
+ array( 97, 1085, 3, array( 224, 416, 600, 700)), //20
+ array(101, 1156, 4, array( 224, 442, 644, 750)),
+ array(105, 1258, 4, array( 252, 476, 690, 816)),
+ array(109, 1364, 4, array( 270, 504, 750, 900)),
+ array(113, 1474, 4, array( 300, 560, 810, 960)),
+ array(117, 1588, 4, array( 312, 588, 870, 1050)), //25
+ array(121, 1706, 4, array( 336, 644, 952, 1110)),
+ array(125, 1828, 4, array( 360, 700, 1020, 1200)),
+ array(129, 1921, 3, array( 390, 728, 1050, 1260)),
+ array(133, 2051, 3, array( 420, 784, 1140, 1350)),
+ array(137, 2185, 3, array( 450, 812, 1200, 1440)), //30
+ array(141, 2323, 3, array( 480, 868, 1290, 1530)),
+ array(145, 2465, 3, array( 510, 924, 1350, 1620)),
+ array(149, 2611, 3, array( 540, 980, 1440, 1710)),
+ array(153, 2761, 3, array( 570, 1036, 1530, 1800)),
+ array(157, 2876, 0, array( 570, 1064, 1590, 1890)), //35
+ array(161, 3034, 0, array( 600, 1120, 1680, 1980)),
+ array(165, 3196, 0, array( 630, 1204, 1770, 2100)),
+ array(169, 3362, 0, array( 660, 1260, 1860, 2220)),
+ array(173, 3532, 0, array( 720, 1316, 1950, 2310)),
+ array(177, 3706, 0, array( 750, 1372, 2040, 2430)) //40
+ );
+
+ //----------------------------------------------------------------------
+ public static function getDataLength($version, $level)
+ {
+ return self::$capacity[$version][QRCAP_WORDS] - self::$capacity[$version][QRCAP_EC][$level];
+ }
+
+ //----------------------------------------------------------------------
+ public static function getECCLength($version, $level)
+ {
+ return self::$capacity[$version][QRCAP_EC][$level];
+ }
+
+ //----------------------------------------------------------------------
+ public static function getWidth($version)
+ {
+ return self::$capacity[$version][QRCAP_WIDTH];
+ }
+
+ //----------------------------------------------------------------------
+ public static function getRemainder($version)
+ {
+ return self::$capacity[$version][QRCAP_REMINDER];
+ }
+
+ //----------------------------------------------------------------------
+ public static function getMinimumVersion($size, $level)
+ {
+
+ for($i=1; $i<= QRSPEC_VERSION_MAX; $i++) {
+ $words = self::$capacity[$i][QRCAP_WORDS] - self::$capacity[$i][QRCAP_EC][$level];
+ if($words >= $size)
+ return $i;
+ }
+
+ return -1;
+ }
+
+ //######################################################################
+
+ public static $lengthTableBits = array(
+ array(10, 12, 14),
+ array( 9, 11, 13),
+ array( 8, 16, 16),
+ array( 8, 10, 12)
+ );
+
+ //----------------------------------------------------------------------
+ public static function lengthIndicator($mode, $version)
+ {
+ if ($mode == QR_MODE_STRUCTURE)
+ return 0;
+
+ if ($version <= 9) {
+ $l = 0;
+ } else if ($version <= 26) {
+ $l = 1;
+ } else {
+ $l = 2;
+ }
+
+ return self::$lengthTableBits[$mode][$l];
+ }
+
+ //----------------------------------------------------------------------
+ public static function maximumWords($mode, $version)
+ {
+ if($mode == QR_MODE_STRUCTURE)
+ return 3;
+
+ if($version <= 9) {
+ $l = 0;
+ } else if($version <= 26) {
+ $l = 1;
+ } else {
+ $l = 2;
+ }
+
+ $bits = self::$lengthTableBits[$mode][$l];
+ $words = (1 << $bits) - 1;
+
+ if($mode == QR_MODE_KANJI) {
+ $words *= 2; // the number of bytes is required
+ }
+
+ return $words;
+ }
+
+ // Error correction code -----------------------------------------------
+ // Table of the error correction code (Reed-Solomon block)
+ // See Table 12-16 (pp.30-36), JIS X0510:2004.
+
+ public static $eccTable = array(
+ array(array( 0, 0), array( 0, 0), array( 0, 0), array( 0, 0)),
+ array(array( 1, 0), array( 1, 0), array( 1, 0), array( 1, 0)), // 1
+ array(array( 1, 0), array( 1, 0), array( 1, 0), array( 1, 0)),
+ array(array( 1, 0), array( 1, 0), array( 2, 0), array( 2, 0)),
+ array(array( 1, 0), array( 2, 0), array( 2, 0), array( 4, 0)),
+ array(array( 1, 0), array( 2, 0), array( 2, 2), array( 2, 2)), // 5
+ array(array( 2, 0), array( 4, 0), array( 4, 0), array( 4, 0)),
+ array(array( 2, 0), array( 4, 0), array( 2, 4), array( 4, 1)),
+ array(array( 2, 0), array( 2, 2), array( 4, 2), array( 4, 2)),
+ array(array( 2, 0), array( 3, 2), array( 4, 4), array( 4, 4)),
+ array(array( 2, 2), array( 4, 1), array( 6, 2), array( 6, 2)), //10
+ array(array( 4, 0), array( 1, 4), array( 4, 4), array( 3, 8)),
+ array(array( 2, 2), array( 6, 2), array( 4, 6), array( 7, 4)),
+ array(array( 4, 0), array( 8, 1), array( 8, 4), array(12, 4)),
+ array(array( 3, 1), array( 4, 5), array(11, 5), array(11, 5)),
+ array(array( 5, 1), array( 5, 5), array( 5, 7), array(11, 7)), //15
+ array(array( 5, 1), array( 7, 3), array(15, 2), array( 3, 13)),
+ array(array( 1, 5), array(10, 1), array( 1, 15), array( 2, 17)),
+ array(array( 5, 1), array( 9, 4), array(17, 1), array( 2, 19)),
+ array(array( 3, 4), array( 3, 11), array(17, 4), array( 9, 16)),
+ array(array( 3, 5), array( 3, 13), array(15, 5), array(15, 10)), //20
+ array(array( 4, 4), array(17, 0), array(17, 6), array(19, 6)),
+ array(array( 2, 7), array(17, 0), array( 7, 16), array(34, 0)),
+ array(array( 4, 5), array( 4, 14), array(11, 14), array(16, 14)),
+ array(array( 6, 4), array( 6, 14), array(11, 16), array(30, 2)),
+ array(array( 8, 4), array( 8, 13), array( 7, 22), array(22, 13)), //25
+ array(array(10, 2), array(19, 4), array(28, 6), array(33, 4)),
+ array(array( 8, 4), array(22, 3), array( 8, 26), array(12, 28)),
+ array(array( 3, 10), array( 3, 23), array( 4, 31), array(11, 31)),
+ array(array( 7, 7), array(21, 7), array( 1, 37), array(19, 26)),
+ array(array( 5, 10), array(19, 10), array(15, 25), array(23, 25)), //30
+ array(array(13, 3), array( 2, 29), array(42, 1), array(23, 28)),
+ array(array(17, 0), array(10, 23), array(10, 35), array(19, 35)),
+ array(array(17, 1), array(14, 21), array(29, 19), array(11, 46)),
+ array(array(13, 6), array(14, 23), array(44, 7), array(59, 1)),
+ array(array(12, 7), array(12, 26), array(39, 14), array(22, 41)), //35
+ array(array( 6, 14), array( 6, 34), array(46, 10), array( 2, 64)),
+ array(array(17, 4), array(29, 14), array(49, 10), array(24, 46)),
+ array(array( 4, 18), array(13, 32), array(48, 14), array(42, 32)),
+ array(array(20, 4), array(40, 7), array(43, 22), array(10, 67)),
+ array(array(19, 6), array(18, 31), array(34, 34), array(20, 61)),//40
+ );
+
+ //----------------------------------------------------------------------
+ // CACHEABLE!!!
+
+ public static function getEccSpec($version, $level, array &$spec)
+ {
+ if (count($spec) < 5) {
+ $spec = array(0,0,0,0,0);
+ }
+
+ $b1 = self::$eccTable[$version][$level][0];
+ $b2 = self::$eccTable[$version][$level][1];
+ $data = self::getDataLength($version, $level);
+ $ecc = self::getECCLength($version, $level);
+
+ if($b2 == 0) {
+ $spec[0] = $b1;
+ $spec[1] = (int)($data / $b1);
+ $spec[2] = (int)($ecc / $b1);
+ $spec[3] = 0;
+ $spec[4] = 0;
+ } else {
+ $spec[0] = $b1;
+ $spec[1] = (int)($data / ($b1 + $b2));
+ $spec[2] = (int)($ecc / ($b1 + $b2));
+ $spec[3] = $b2;
+ $spec[4] = $spec[1] + 1;
+ }
+ }
+
+ // Alignment pattern ---------------------------------------------------
+
+ // Positions of alignment patterns.
+ // This array includes only the second and the third position of the
+ // alignment patterns. Rest of them can be calculated from the distance
+ // between them.
+
+ // See Table 1 in Appendix E (pp.71) of JIS X0510:2004.
+
+ public static $alignmentPattern = array(
+ array( 0, 0),
+ array( 0, 0), array(18, 0), array(22, 0), array(26, 0), array(30, 0), // 1- 5
+ array(34, 0), array(22, 38), array(24, 42), array(26, 46), array(28, 50), // 6-10
+ array(30, 54), array(32, 58), array(34, 62), array(26, 46), array(26, 48), //11-15
+ array(26, 50), array(30, 54), array(30, 56), array(30, 58), array(34, 62), //16-20
+ array(28, 50), array(26, 50), array(30, 54), array(28, 54), array(32, 58), //21-25
+ array(30, 58), array(34, 62), array(26, 50), array(30, 54), array(26, 52), //26-30
+ array(30, 56), array(34, 60), array(30, 58), array(34, 62), array(30, 54), //31-35
+ array(24, 50), array(28, 54), array(32, 58), array(26, 54), array(30, 58), //35-40
+ );
+
+
+ /** --------------------------------------------------------------------
+ * Put an alignment marker.
+ * @param frame
+ * @param width
+ * @param ox,oy center coordinate of the pattern
+ */
+ public static function putAlignmentMarker(array &$frame, $ox, $oy)
+ {
+ $finder = array(
+ "\xa1\xa1\xa1\xa1\xa1",
+ "\xa1\xa0\xa0\xa0\xa1",
+ "\xa1\xa0\xa1\xa0\xa1",
+ "\xa1\xa0\xa0\xa0\xa1",
+ "\xa1\xa1\xa1\xa1\xa1"
+ );
+
+ $yStart = $oy-2;
+ $xStart = $ox-2;
+
+ for($y=0; $y<5; $y++) {
+ QRstr::set($frame, $xStart, $yStart+$y, $finder[$y]);
+ }
+ }
+
+ //----------------------------------------------------------------------
+ public static function putAlignmentPattern($version, &$frame, $width)
+ {
+ if($version < 2)
+ return;
+
+ $d = self::$alignmentPattern[$version][1] - self::$alignmentPattern[$version][0];
+ if($d < 0) {
+ $w = 2;
+ } else {
+ $w = (int)(($width - self::$alignmentPattern[$version][0]) / $d + 2);
+ }
+
+ if($w * $w - 3 == 1) {
+ $x = self::$alignmentPattern[$version][0];
+ $y = self::$alignmentPattern[$version][0];
+ self::putAlignmentMarker($frame, $x, $y);
+ return;
+ }
+
+ $cx = self::$alignmentPattern[$version][0];
+ for($x=1; $x<$w - 1; $x++) {
+ self::putAlignmentMarker($frame, 6, $cx);
+ self::putAlignmentMarker($frame, $cx, 6);
+ $cx += $d;
+ }
+
+ $cy = self::$alignmentPattern[$version][0];
+ for($y=0; $y<$w-1; $y++) {
+ $cx = self::$alignmentPattern[$version][0];
+ for($x=0; $x<$w-1; $x++) {
+ self::putAlignmentMarker($frame, $cx, $cy);
+ $cx += $d;
+ }
+ $cy += $d;
+ }
+ }
+
+ // Version information pattern -----------------------------------------
+
+ // Version information pattern (BCH coded).
+ // See Table 1 in Appendix D (pp.68) of JIS X0510:2004.
+
+ // size: [QRSPEC_VERSION_MAX - 6]
+
+ public static $versionPattern = array(
+ 0x07c94, 0x085bc, 0x09a99, 0x0a4d3, 0x0bbf6, 0x0c762, 0x0d847, 0x0e60d,
+ 0x0f928, 0x10b78, 0x1145d, 0x12a17, 0x13532, 0x149a6, 0x15683, 0x168c9,
+ 0x177ec, 0x18ec4, 0x191e1, 0x1afab, 0x1b08e, 0x1cc1a, 0x1d33f, 0x1ed75,
+ 0x1f250, 0x209d5, 0x216f0, 0x228ba, 0x2379f, 0x24b0b, 0x2542e, 0x26a64,
+ 0x27541, 0x28c69
+ );
+
+ //----------------------------------------------------------------------
+ public static function getVersionPattern($version)
+ {
+ if($version < 7 || $version > QRSPEC_VERSION_MAX)
+ return 0;
+
+ return self::$versionPattern[$version -7];
+ }
+
+ // Format information --------------------------------------------------
+ // See calcFormatInfo in tests/test_qrspec.c (orginal qrencode c lib)
+
+ public static $formatInfo = array(
+ array(0x77c4, 0x72f3, 0x7daa, 0x789d, 0x662f, 0x6318, 0x6c41, 0x6976),
+ array(0x5412, 0x5125, 0x5e7c, 0x5b4b, 0x45f9, 0x40ce, 0x4f97, 0x4aa0),
+ array(0x355f, 0x3068, 0x3f31, 0x3a06, 0x24b4, 0x2183, 0x2eda, 0x2bed),
+ array(0x1689, 0x13be, 0x1ce7, 0x19d0, 0x0762, 0x0255, 0x0d0c, 0x083b)
+ );
+
+ public static function getFormatInfo($mask, $level)
+ {
+ if($mask < 0 || $mask > 7)
+ return 0;
+
+ if($level < 0 || $level > 3)
+ return 0;
+
+ return self::$formatInfo[$level][$mask];
+ }
+
+ // Frame ---------------------------------------------------------------
+ // Cache of initial frames.
+
+ public static $frames = array();
+
+ /** --------------------------------------------------------------------
+ * Put a finder pattern.
+ * @param frame
+ * @param width
+ * @param ox,oy upper-left coordinate of the pattern
+ */
+ public static function putFinderPattern(&$frame, $ox, $oy)
+ {
+ $finder = array(
+ "\xc1\xc1\xc1\xc1\xc1\xc1\xc1",
+ "\xc1\xc0\xc0\xc0\xc0\xc0\xc1",
+ "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
+ "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
+ "\xc1\xc0\xc1\xc1\xc1\xc0\xc1",
+ "\xc1\xc0\xc0\xc0\xc0\xc0\xc1",
+ "\xc1\xc1\xc1\xc1\xc1\xc1\xc1"
+ );
+
+ for($y=0; $y<7; $y++) {
+ QRstr::set($frame, $ox, $oy+$y, $finder[$y]);
+ }
+ }
+
+ //----------------------------------------------------------------------
+ public static function createFrame($version)
+ {
+ $width = self::$capacity[$version][QRCAP_WIDTH];
+ $frameLine = str_repeat ("\0", $width);
+ $frame = array_fill(0, $width, $frameLine);
+
+ // Finder pattern
+ self::putFinderPattern($frame, 0, 0);
+ self::putFinderPattern($frame, $width - 7, 0);
+ self::putFinderPattern($frame, 0, $width - 7);
+
+ // Separator
+ $yOffset = $width - 7;
+
+ for($y=0; $y<7; $y++) {
+ $frame[$y][7] = "\xc0";
+ $frame[$y][$width - 8] = "\xc0";
+ $frame[$yOffset][7] = "\xc0";
+ $yOffset++;
+ }
+
+ $setPattern = str_repeat("\xc0", 8);
+
+ QRstr::set($frame, 0, 7, $setPattern);
+ QRstr::set($frame, $width-8, 7, $setPattern);
+ QRstr::set($frame, 0, $width - 8, $setPattern);
+
+ // Format info
+ $setPattern = str_repeat("\x84", 9);
+ QRstr::set($frame, 0, 8, $setPattern);
+ QRstr::set($frame, $width - 8, 8, $setPattern, 8);
+
+ $yOffset = $width - 8;
+
+ for($y=0; $y<8; $y++,$yOffset++) {
+ $frame[$y][8] = "\x84";
+ $frame[$yOffset][8] = "\x84";
+ }
+
+ // Timing pattern
+
+ for($i=1; $i<$width-15; $i++) {
+ $frame[6][7+$i] = chr(0x90 | ($i & 1));
+ $frame[7+$i][6] = chr(0x90 | ($i & 1));
+ }
+
+ // Alignment pattern
+ self::putAlignmentPattern($version, $frame, $width);
+
+ // Version information
+ if($version >= 7) {
+ $vinf = self::getVersionPattern($version);
+
+ $v = $vinf;
+
+ for($x=0; $x<6; $x++) {
+ for($y=0; $y<3; $y++) {
+ $frame[($width - 11)+$y][$x] = chr(0x88 | ($v & 1));
+ $v = $v >> 1;
+ }
+ }
+
+ $v = $vinf;
+ for($y=0; $y<6; $y++) {
+ for($x=0; $x<3; $x++) {
+ $frame[$y][$x+($width - 11)] = chr(0x88 | ($v & 1));
+ $v = $v >> 1;
+ }
+ }
+ }
+
+ // and a little bit...
+ $frame[$width - 8][8] = "\x81";
+
+ return $frame;
+ }
+
+ //----------------------------------------------------------------------
+ public static function debug($frame, $binary_mode = false)
+ {
+ if ($binary_mode) {
+
+ foreach ($frame as &$frameLine) {
+ $frameLine = join('<span class="m"> </span>', explode('0', $frameLine));
+ $frameLine = join('██', explode('1', $frameLine));
+ }
+
+ ?>
+ <style>
+ .m { background-color: white; }
+ </style>
+ <?php
+ echo '<pre><tt><br/ ><br/ ><br/ > ';
+ echo join("<br/ > ", $frame);
+ echo '</tt></pre><br/ ><br/ ><br/ ><br/ ><br/ ><br/ >';
+
+ } else {
+
+ foreach ($frame as &$frameLine) {
+ $frameLine = join('<span class="m"> </span>', explode("\xc0", $frameLine));
+ $frameLine = join('<span class="m">▒</span>', explode("\xc1", $frameLine));
+ $frameLine = join('<span class="p"> </span>', explode("\xa0", $frameLine));
+ $frameLine = join('<span class="p">▒</span>', explode("\xa1", $frameLine));
+ $frameLine = join('<span class="s">◇</span>', explode("\x84", $frameLine)); //format 0
+ $frameLine = join('<span class="s">◆</span>', explode("\x85", $frameLine)); //format 1
+ $frameLine = join('<span class="x">☢</span>', explode("\x81", $frameLine)); //special bit
+ $frameLine = join('<span class="c"> </span>', explode("\x90", $frameLine)); //clock 0
+ $frameLine = join('<span class="c">◷</span>', explode("\x91", $frameLine)); //clock 1
+ $frameLine = join('<span class="f"> </span>', explode("\x88", $frameLine)); //version
+ $frameLine = join('<span class="f">▒</span>', explode("\x89", $frameLine)); //version
+ $frameLine = join('♦', explode("\x01", $frameLine));
+ $frameLine = join('⋅', explode("\0", $frameLine));
+ }
+
+ ?>
+ <style>
+ .p { background-color: yellow; }
+ .m { background-color: #00FF00; }
+ .s { background-color: #FF0000; }
+ .c { background-color: aqua; }
+ .x { background-color: pink; }
+ .f { background-color: gold; }
+ </style>
+ <?php
+ echo "<pre><tt>";
+ echo join("<br/ >", $frame);
+ echo "</tt></pre>";
+
+ }
+ }
+
+ //----------------------------------------------------------------------
+ public static function serial($frame)
+ {
+ return gzcompress(join("\n", $frame), 9);
+ }
+
+ //----------------------------------------------------------------------
+ public static function unserial($code)
+ {
+ return explode("\n", gzuncompress($code));
+ }
+
+ //----------------------------------------------------------------------
+ public static function newFrame($version)
+ {
+ if($version < 1 || $version > QRSPEC_VERSION_MAX)
+ return null;
+
+ if(!isset(self::$frames[$version])) {
+
+ $fileName = QR_CACHE_DIR.'frame_'.$version.'.dat';
+
+ if (QR_CACHEABLE) {
+ if (file_exists($fileName)) {
+ self::$frames[$version] = self::unserial(file_get_contents($fileName));
+ } else {
+ self::$frames[$version] = self::createFrame($version);
+ file_put_contents($fileName, self::serial(self::$frames[$version]));
+ }
+ } else {
+ self::$frames[$version] = self::createFrame($version);
+ }
+ }
+
+ if(is_null(self::$frames[$version]))
+ return null;
+
+ return self::$frames[$version];
+ }
+
+ //----------------------------------------------------------------------
+ public static function rsBlockNum($spec) { return $spec[0] + $spec[3]; }
+ public static function rsBlockNum1($spec) { return $spec[0]; }
+ public static function rsDataCodes1($spec) { return $spec[1]; }
+ public static function rsEccCodes1($spec) { return $spec[2]; }
+ public static function rsBlockNum2($spec) { return $spec[3]; }
+ public static function rsDataCodes2($spec) { return $spec[4]; }
+ public static function rsEccCodes2($spec) { return $spec[2]; }
+ public static function rsDataLength($spec) { return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]); }
+ public static function rsEccLength($spec) { return ($spec[0] + $spec[3]) * $spec[2]; }
+
+ }
\ No newline at end of file