diff options
Diffstat (limited to 'library/phpqrcode/qrinput.php')
| -rw-r--r-- | library/phpqrcode/qrinput.php | 729 |
1 files changed, 0 insertions, 729 deletions
diff --git a/library/phpqrcode/qrinput.php b/library/phpqrcode/qrinput.php deleted file mode 100644 index 0f6d7f944..000000000 --- a/library/phpqrcode/qrinput.php +++ /dev/null @@ -1,729 +0,0 @@ -<?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 |