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DiscuzX/upload/source/plugin/mobile/qrcode.class.php

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<?php
/**
* [Discuz!] (C)2001-2099 Comsenz Inc.
* This is NOT a freeware, use is subject to license terms
*
* $Id: qrcode.class.php 33590 2013-07-12 06:39:08Z andyzheng $
*/
if(!defined('IN_DISCUZ')) {
exit('Access Denied');
}
define('QR_MODE_NUL', -1);
define('QR_MODE_NUM', 0);
define('QR_MODE_AN', 1);
define('QR_MODE_8', 2);
define('QR_MODE_KANJI', 3);
define('QR_MODE_STRUCTURE', 4);
define('QR_ECLEVEL_L', 0);
define('QR_ECLEVEL_M', 1);
define('QR_ECLEVEL_Q', 2);
define('QR_ECLEVEL_H', 3);
define('QR_FORMAT_TEXT', 0);
define('QR_FORMAT_PNG', 1);
class qrstr {
public static function set(&$srctab, $x, $y, $repl, $replLen = false) {
$srctab[$y] = substr_replace($srctab[$y], ($replLen !== false) ? substr($repl, 0, $replLen) : $repl, $x, ($replLen !== false) ? $replLen : strlen($repl));
}
}
define('QR_CACHEABLE', false);
define('QR_CACHE_DIR', false);
define('QR_LOG_DIR', false);
define('QR_FIND_BEST_MASK', true);
define('QR_FIND_FROM_RANDOM', 2);
define('QR_DEFAULT_MASK', 2);
define('QR_PNG_MAXIMUM_SIZE', 1024);
class QRtools {
public static function binarize($frame) {
$len = count($frame);
foreach ($frame as &$frameLine) {
for ($i = 0; $i < $len; $i++) {
$frameLine[$i] = (ord($frameLine[$i]) & 1) ? '1' : '0';
}
}
return $frame;
}
public static function tcpdfBarcodeArray($code, $mode = 'QR,L', $tcPdfVersion = '4.5.037') {
$barcode_array = array();
if (!is_array($mode))
$mode = explode(',', $mode);
$eccLevel = 'L';
if (count($mode) > 1) {
$eccLevel = $mode[1];
}
$qrTab = QRcode::text($code, false, $eccLevel);
$size = count($qrTab);
$barcode_array['num_rows'] = $size;
$barcode_array['num_cols'] = $size;
$barcode_array['bcode'] = array();
foreach ($qrTab as $line) {
$arrAdd = array();
foreach (str_split($line) as $char)
$arrAdd[] = ($char == '1') ? 1 : 0;
$barcode_array['bcode'][] = $arrAdd;
}
return $barcode_array;
}
public static function clearCache() {
self::$frames = array();
}
public static function buildCache() {
QRtools::markTime('before_build_cache');
$mask = new QRmask();
for ($a = 1; $a <= QRSPEC_VERSION_MAX; $a++) {
$frame = QRspec::newFrame($a);
if (QR_IMAGE) {
$fileName = QR_CACHE_DIR . 'frame_' . $a . '.png';
QRimage::png(self::binarize($frame), $fileName, 1, 0);
}
$width = count($frame);
$bitMask = array_fill(0, $width, array_fill(0, $width, 0));
for ($maskNo = 0; $maskNo < 8; $maskNo++)
$mask->makeMaskNo($maskNo, $width, $frame, $bitMask, true);
}
QRtools::markTime('after_build_cache');
}
public static function log($outfile, $err) {
if (QR_LOG_DIR !== false) {
if ($err != '') {
if ($outfile !== false) {
file_put_contents(QR_LOG_DIR . basename($outfile) . '-errors.txt', date('Y-m-d H:i:s') . ': ' . $err, FILE_APPEND);
} else {
file_put_contents(QR_LOG_DIR . 'errors.txt', date('Y-m-d H:i:s') . ': ' . $err, FILE_APPEND);
}
}
}
}
public static function dumpMask($frame) {
$width = count($frame);
for ($y = 0; $y < $width; $y++) {
for ($x = 0; $x < $width; $x++) {
echo ord($frame[$y][$x]) . ',';
}
}
}
public static function markTime($markerId) {
list($usec, $sec) = explode(" ", microtime());
$time = ((float) $usec + (float) $sec);
if (!isset($GLOBALS['qr_time_bench']))
$GLOBALS['qr_time_bench'] = array();
$GLOBALS['qr_time_bench'][$markerId] = $time;
}
public static function timeBenchmark() {
self::markTime('finish');
$lastTime = 0;
$startTime = 0;
$p = 0;
echo '<table cellpadding="3" cellspacing="1">
<thead><tr style="border-bottom:1px solid silver"><td colspan="2" style="text-align:center">BENCHMARK</td></tr></thead>
<tbody>';
foreach ($GLOBALS['qr_time_bench'] as $markerId => $thisTime) {
if ($p > 0) {
echo '<tr><th style="text-align:right">till ' . $markerId . ': </th><td>' . number_format($thisTime - $lastTime, 6) . 's</td></tr>';
} else {
$startTime = $thisTime;
}
$p++;
$lastTime = $thisTime;
}
echo '</tbody><tfoot>
<tr style="border-top:2px solid black"><th style="text-align:right">TOTAL: </th><td>' . number_format($lastTime - $startTime, 6) . 's</td></tr>
</tfoot>
</table>';
}
}
QRtools::markTime('start');
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 $capacity = array(
array(0, 0, 0, array(0, 0, 0, 0)),
array(21, 26, 0, array(7, 10, 13, 17)),
array(25, 44, 7, array(10, 16, 22, 28)),
array(29, 70, 7, array(15, 26, 36, 44)),
array(33, 100, 7, array(20, 36, 52, 64)),
array(37, 134, 7, array(26, 48, 72, 88)),
array(41, 172, 7, array(36, 64, 96, 112)),
array(45, 196, 0, array(40, 72, 108, 130)),
array(49, 242, 0, array(48, 88, 132, 156)),
array(53, 292, 0, array(60, 110, 160, 192)),
array(57, 346, 0, array(72, 130, 192, 224)),
array(61, 404, 0, array(80, 150, 224, 264)),
array(65, 466, 0, array(96, 176, 260, 308)),
array(69, 532, 0, array(104, 198, 288, 352)),
array(73, 581, 3, array(120, 216, 320, 384)),
array(77, 655, 3, array(132, 240, 360, 432)),
array(81, 733, 3, array(144, 280, 408, 480)),
array(85, 815, 3, array(168, 308, 448, 532)),
array(89, 901, 3, array(180, 338, 504, 588)),
array(93, 991, 3, array(196, 364, 546, 650)),
array(97, 1085, 3, array(224, 416, 600, 700)),
array(101, 1156, 4, array(224, 442, 644, 750)),
array(105, 1258, 4, array(252, 476, 690, 816)),
array(109, 1364, 4, array(270, 504, 750, 900)),
array(113, 1474, 4, array(300, 560, 810, 960)),
array(117, 1588, 4, array(312, 588, 870, 1050)),
array(121, 1706, 4, array(336, 644, 952, 1110)),
array(125, 1828, 4, array(360, 700, 1020, 1200)),
array(129, 1921, 3, array(390, 728, 1050, 1260)),
array(133, 2051, 3, array(420, 784, 1140, 1350)),
array(137, 2185, 3, array(450, 812, 1200, 1440)),
array(141, 2323, 3, array(480, 868, 1290, 1530)),
array(145, 2465, 3, array(510, 924, 1350, 1620)),
array(149, 2611, 3, array(540, 980, 1440, 1710)),
array(153, 2761, 3, array(570, 1036, 1530, 1800)),
array(157, 2876, 0, array(570, 1064, 1590, 1890)),
array(161, 3034, 0, array(600, 1120, 1680, 1980)),
array(165, 3196, 0, array(630, 1204, 1770, 2100)),
array(169, 3362, 0, array(660, 1260, 1860, 2220)),
array(173, 3532, 0, array(720, 1316, 1950, 2310)),
array(177, 3706, 0, array(750, 1372, 2040, 2430))
);
public static function getDataLength($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;
}
return $words;
}
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)),
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)),
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)),
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)),
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)),
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)),
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)),
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)),
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)),
);
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;
}
}
public static $alignmentPattern = array(
array(0, 0),
array(0, 0), array(18, 0), array(22, 0), array(26, 0), array(30, 0),
array(34, 0), array(22, 38), array(24, 42), array(26, 46), array(28, 50),
array(30, 54), array(32, 58), array(34, 62), array(26, 46), array(26, 48),
array(26, 50), array(30, 54), array(30, 56), array(30, 58), array(34, 62),
array(28, 50), array(26, 50), array(30, 54), array(28, 54), array(32, 58),
array(30, 58), array(34, 62), array(26, 50), array(30, 54), array(26, 52),
array(30, 56), array(34, 60), array(30, 58), array(34, 62), array(30, 54),
array(24, 50), array(28, 54), array(32, 58), array(26, 54), array(30, 58),
);
public static function putAlignmentMarker(array &$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;
}
}
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];
}
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];
}
public static $frames = array();
public static function putFinderPattern(&$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, $frameLine);
self::putFinderPattern($frame, 0, 0);
self::putFinderPattern($frame, $width - 7, 0);
self::putFinderPattern($frame, 0, $width - 7);
$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);
$setPattern = str_repeat("\x84", 9);
QRstr::set($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";
}
for ($i = 1; $i < $width - 15; $i++) {
$frame[6][7 + $i] = chr(0x90 | ($i & 1));
$frame[7 + $i][6] = chr(0x90 | ($i & 1));
}
self::putAlignmentPattern($version, $frame, $width);
if ($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;
}
}
}
$frame[$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));
$frameLine = join('<span class="s">&#9670;</span>', explode("\x85", $frameLine));
$frameLine = join('<span class="x">&#9762;</span>', explode("\x81", $frameLine));
$frameLine = join('<span class="c">&nbsp;</span>', explode("\x90", $frameLine));
$frameLine = join('<span class="c">&#9719;</span>', explode("\x91", $frameLine));
$frameLine = join('<span class="f">&nbsp;</span>', explode("\x88", $frameLine));
$frameLine = join('<span class="f">&#9618;</span>', explode("\x89", $frameLine));
$frameLine = join('&#9830;', explode("\x01", $frameLine));
$frameLine = join('&#8901;', explode("\0", $frameLine));
}
?>
<style>
.p { background-color: yellow; }
.m { background-color: #00FF00; }
.s { background-color: #FF0000; }
.c { background-color: aqua; }
.x { background-color: pink; }
.f { background-color: gold; }
</style>
<?php
echo "<pre><tt>";
echo join("<br/ >", $frame);
echo "</tt></pre>";
}
}
public static function serial($frame) {
return gzcompress(join("\n", $frame), 9);
}
public static function unserial($code) {
return explode("\n", gzuncompress($code));
}
public static function newFrame($version) {
if ($version < 1 || $version > QRSPEC_VERSION_MAX)
return null;
if (!isset(self::$frames[$version])) {
$fileName = QR_CACHE_DIR . 'frame_' . $version . '.dat';
if (QR_CACHEABLE) {
if (file_exists($fileName)) {
self::$frames[$version] = self::unserial(file_get_contents($fileName));
} else {
self::$frames[$version] = self::createFrame($version);
file_put_contents($fileName, self::serial(self::$frames[$version]));
}
} else {
self::$frames[$version] = self::createFrame($version);
}
}
if (is_null(self::$frames[$version]))
return null;
return self::$frames[$version];
}
public static function rsBlockNum($spec) {
return $spec[0] + $spec[3];
}
public static function rsBlockNum1($spec) {
return $spec[0];
}
public static function rsDataCodes1($spec) {
return $spec[1];
}
public static function rsEccCodes1($spec) {
return $spec[2];
}
public static function rsBlockNum2($spec) {
return $spec[3];
}
public static function rsDataCodes2($spec) {
return $spec[4];
}
public static function rsEccCodes2($spec) {
return $spec[2];
}
public static function rsDataLength($spec) {
return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]);
}
public static function rsEccLength($spec) {
return ($spec[0] + $spec[3]) * $spec[2];
}
}
define('QR_IMAGE', true);
class QRimage {
public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4, $saveandprint = FALSE) {
$image = self::image($frame, $pixelPerPoint, $outerFrame);
if ($filename === false) {
Header("Content-type: image/png");
ImagePng($image);
} else {
if ($saveandprint === TRUE) {
ImagePng($image, $filename);
header("Content-type: image/png");
ImagePng($image);
} else {
ImagePng($image, $filename);
}
}
ImageDestroy($image);
}
public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85) {
$image = self::image($frame, $pixelPerPoint, $outerFrame);
if ($filename === false) {
Header("Content-type: image/jpeg");
ImageJpeg($image, null, $q);
} else {
ImageJpeg($image, $filename, $q);
}
ImageDestroy($image);
}
private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4) {
$h = count($frame);
$w = strlen($frame[0]);
$imgW = $w + 2 * $outerFrame;
$imgH = $h + 2 * $outerFrame;
$base_image = ImageCreate($imgW, $imgH);
$col[0] = ImageColorAllocate($base_image, 255, 255, 255);
$col[1] = ImageColorAllocate($base_image, 0, 0, 0);
imagefill($base_image, 0, 0, $col[0]);
for ($y = 0; $y < $h; $y++) {
for ($x = 0; $x < $w; $x++) {
if ($frame[$y][$x] == '1') {
ImageSetPixel($base_image, $x + $outerFrame, $y + $outerFrame, $col[1]);
}
}
}
$target_image = ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);
ImageDestroy($base_image);
return $target_image;
}
}
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)
|| $val > 0xebbf) {
return false;
}
}
return true;
}
public static function check($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();
}
}
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;
}
}
class QRsplit {
public $dataStr = '';
public $input;
public $modeHint;
public function __construct($dataStr, $input, $modeHint) {
$this->dataStr = $dataStr;
$this->input = $input;
$this->modeHint = $modeHint;
}
public static function isdigitat($str, $pos) {
if ($pos >= strlen($str))
return false;
return ((ord($str[$pos]) >= ord('0')) && (ord($str[$pos]) <= ord('9')));
}
public static function isalnumat($str, $pos) {
if ($pos >= strlen($str))
return false;
return (QRinput::lookAnTable(ord($str[$pos])) >= 0);
}
public function identifyMode($pos) {
if ($pos >= strlen($this->dataStr))
return QR_MODE_NUL;
$c = $this->dataStr[$pos];
if (self::isdigitat($this->dataStr, $pos)) {
return QR_MODE_NUM;
} else if (self::isalnumat($this->dataStr, $pos)) {
return QR_MODE_AN;
} else if ($this->modeHint == QR_MODE_KANJI) {
if ($pos + 1 < strlen($this->dataStr)) {
$d = $this->dataStr[$pos + 1];
$word = (ord($c) << 8) | ord($d);
if (($word >= 0x8140 && $word <= 0x9ffc) || ($word >= 0xe040 && $word <= 0xebbf)) {
return QR_MODE_KANJI;
}
}
}
return QR_MODE_8;
}
public function eatNum() {
$ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());
$p = 0;
while (self::isdigitat($this->dataStr, $p)) {
$p++;
}
$run = $p;
$mode = $this->identifyMode($p);
if ($mode == QR_MODE_8) {
$dif = QRinput::estimateBitsModeNum($run) + 4 + $ln
+ QRinput::estimateBitsMode8(1)
- QRinput::estimateBitsMode8($run + 1);
if ($dif > 0) {
return $this->eat8();
}
}
if ($mode == QR_MODE_AN) {
$dif = QRinput::estimateBitsModeNum($run) + 4 + $ln
+ QRinput::estimateBitsModeAn(1)
- QRinput::estimateBitsModeAn($run + 1);
if ($dif > 0) {
return $this->eatAn();
}
}
$ret = $this->input->append(QR_MODE_NUM, $run, str_split($this->dataStr));
if ($ret < 0)
return -1;
return $run;
}
public function eatAn() {
$la = QRspec::lengthIndicator(QR_MODE_AN, $this->input->getVersion());
$ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());
$p = 0;
while (self::isalnumat($this->dataStr, $p)) {
if (self::isdigitat($this->dataStr, $p)) {
$q = $p;
while (self::isdigitat($this->dataStr, $q)) {
$q++;
}
$dif = QRinput::estimateBitsModeAn($p)
+ QRinput::estimateBitsModeNum($q - $p) + 4 + $ln
- QRinput::estimateBitsModeAn($q);
if ($dif < 0) {
break;
} else {
$p = $q;
}
} else {
$p++;
}
}
$run = $p;
if (!self::isalnumat($this->dataStr, $p)) {
$dif = QRinput::estimateBitsModeAn($run) + 4 + $la
+ QRinput::estimateBitsMode8(1)
- QRinput::estimateBitsMode8($run + 1);
if ($dif > 0) {
return $this->eat8();
}
}
$ret = $this->input->append(QR_MODE_AN, $run, str_split($this->dataStr));
if ($ret < 0)
return -1;
return $run;
}
public function eatKanji() {
$p = 0;
while ($this->identifyMode($p) == QR_MODE_KANJI) {
$p += 2;
}
$ret = $this->input->append(QR_MODE_KANJI, $p, str_split($this->dataStr));
if ($ret < 0)
return -1;
return $run;
}
public function eat8() {
$la = QRspec::lengthIndicator(QR_MODE_AN, $this->input->getVersion());
$ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());
$p = 1;
$dataStrLen = strlen($this->dataStr);
while ($p < $dataStrLen) {
$mode = $this->identifyMode($p);
if ($mode == QR_MODE_KANJI) {
break;
}
if ($mode == QR_MODE_NUM) {
$q = $p;
while (self::isdigitat($this->dataStr, $q)) {
$q++;
}
$dif = QRinput::estimateBitsMode8($p)
+ QRinput::estimateBitsModeNum($q - $p) + 4 + $ln
- QRinput::estimateBitsMode8($q);
if ($dif < 0) {
break;
} else {
$p = $q;
}
} else if ($mode == QR_MODE_AN) {
$q = $p;
while (self::isalnumat($this->dataStr, $q)) {
$q++;
}
$dif = QRinput::estimateBitsMode8($p)
+ QRinput::estimateBitsModeAn($q - $p) + 4 + $la
- QRinput::estimateBitsMode8($q);
if ($dif < 0) {
break;
} else {
$p = $q;
}
} else {
$p++;
}
}
$run = $p;
$ret = $this->input->append(QR_MODE_8, $run, str_split($this->dataStr));
if ($ret < 0)
return -1;
return $run;
}
public function splitString() {
while (strlen($this->dataStr) > 0) {
if ($this->dataStr == '')
return 0;
$mode = $this->identifyMode(0);
switch ($mode) {
case QR_MODE_NUM: $length = $this->eatNum();
break;
case QR_MODE_AN: $length = $this->eatAn();
break;
case QR_MODE_KANJI:
if ($hint == QR_MODE_KANJI)
$length = $this->eatKanji();
else
$length = $this->eat8();
break;
default: $length = $this->eat8();
break;
}
if ($length == 0)
return 0;
if ($length < 0)
return -1;
$this->dataStr = substr($this->dataStr, $length);
}
}
public function toUpper() {
$stringLen = strlen($this->dataStr);
$p = 0;
while ($p < $stringLen) {
$mode = self::identifyMode(substr($this->dataStr, $p), $this->modeHint);
if ($mode == QR_MODE_KANJI) {
$p += 2;
} else {
if (ord($this->dataStr[$p]) >= ord('a') && ord($this->dataStr[$p]) <= ord('z')) {
$this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32);
}
$p++;
}
}
return $this->dataStr;
}
public static function splitStringToQRinput($string, QRinput $input, $modeHint, $casesensitive = true) {
if (is_null($string) || $string == '\0' || $string == '') {
throw new Exception('empty string!!!');
}
$split = new QRsplit($string, $input, $modeHint);
if (!$casesensitive)
$split->toUpper();
return $split->splitString();
}
}
class QRrsItem {
public $mm;
public $nn;
public $alpha_to = array();
public $index_of = array();
public $genpoly = array();
public $nroots;
public $fcr;
public $prim;
public $iprim;
public $pad;
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) {
$rs = null;
if ($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 $rs;
if ($pad < 0 || $pad >= ((1 << $symsize) - 1 - $nroots))
return $rs;
$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);
$NN = & $rs->nn;
$A0 = & $NN;
$rs->index_of[0] = $A0;
$rs->alpha_to[$A0] = 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) {
$rs = NULL;
return $rs;
}
$rs->genpoly = array_fill(0, $nroots + 1, 0);
$rs->fcr = $fcr;
$rs->prim = $prim;
$rs->nroots = $nroots;
$rs->gfpoly = $gfpoly;
for ($iprim = 1; ($iprim % $prim) != 0; $iprim += $rs->nn)
;
$rs->iprim = (int) ($iprim / $prim);
$rs->genpoly[0] = 1;
for ($i = 0, $root = $fcr * $prim; $i < $nroots; $i++, $root += $prim) {
$rs->genpoly[$i + 1] = 1;
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] = $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[0]] + $root)];
}
for ($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 = $this->modnn($NN - $GENPOLY[$NROOTS] + $feedback);
for ($j = 1; $j < $NROOTS; $j++) {
$parity[$j] ^= $ALPHA_TO[$this->modnn($feedback + $GENPOLY[$NROOTS - $j])];
}
}
array_shift($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;
}
}
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;
}
}
class QRrsblock {
public $dataLength;
public $data = array();
public $eccLength;
public $ecc = array();
public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs) {
$rs->encode_rs_char($data, $ecc);
$this->dataLength = $dl;
$this->data = $data;
$this->eccLength = $el;
$this->ecc = $ecc;
}
}
;
class QRrawcode {
public $version;
public $datacode = array();
public $ecccode = array();
public $blocks;
public $rsblocks = array();
public $count;
public $dataLength;
public $eccLength;
public $b1;
public function __construct(QRinput $input) {
$spec = array(0, 0, 0, 0, 0);
$this->datacode = $input->getByteStream();
if (is_null($this->datacode)) {
throw new Exception('null imput string');
}
QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec);
$this->version = $input->getVersion();
$this->b1 = QRspec::rsBlockNum1($spec);
$this->dataLength = QRspec::rsDataLength($spec);
$this->eccLength = QRspec::rsEccLength($spec);
$this->ecccode = array_fill(0, $this->eccLength, 0);
$this->blocks = QRspec::rsBlockNum($spec);
$ret = $this->init($spec);
if ($ret < 0) {
throw new Exception('block alloc error');
return null;
}
$this->count = 0;
}
public function init(array $spec) {
$dl = QRspec::rsDataCodes1($spec);
$el = QRspec::rsEccCodes1($spec);
$rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
$blockNo = 0;
$dataPos = 0;
$eccPos = 0;
for ($i = 0; $i < QRspec::rsBlockNum1($spec); $i++) {
$ecc = array_slice($this->ecccode, $eccPos);
$this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
$this->ecccode = array_merge(array_slice($this->ecccode, 0, $eccPos), $ecc);
$dataPos += $dl;
$eccPos += $el;
$blockNo++;
}
if (QRspec::rsBlockNum2($spec) == 0)
return 0;
$dl = QRspec::rsDataCodes2($spec);
$el = QRspec::rsEccCodes2($spec);
$rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
if ($rs == NULL)
return -1;
for ($i = 0; $i < QRspec::rsBlockNum2($spec); $i++) {
$ecc = array_slice($this->ecccode, $eccPos);
$this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
$this->ecccode = array_merge(array_slice($this->ecccode, 0, $eccPos), $ecc);
$dataPos += $dl;
$eccPos += $el;
$blockNo++;
}
return 0;
}
public function getCode() {
$ret;
if ($this->count < $this->dataLength) {
$row = $this->count % $this->blocks;
$col = $this->count / $this->blocks;
if ($col >= $this->rsblocks[0]->dataLength) {
$row += $this->b1;
}
$ret = $this->rsblocks[$row]->data[$col];
} else if ($this->count < $this->dataLength + $this->eccLength) {
$row = ($this->count - $this->dataLength) % $this->blocks;
$col = ($this->count - $this->dataLength) / $this->blocks;
$ret = $this->rsblocks[$row]->ecc[$col];
} else {
return 0;
}
$this->count++;
return $ret;
}
}
class QRcode {
public $version;
public $width;
public $data;
public function encodeMask(QRinput $input, $mask) {
if ($input->getVersion() < 0 || $input->getVersion() > QRSPEC_VERSION_MAX) {
throw new Exception('wrong version');
}
if ($input->getErrorCorrectionLevel() > QR_ECLEVEL_H) {
throw new Exception('wrong level');
}
$raw = new QRrawcode($input);
QRtools::markTime('after_raw');
$version = $raw->version;
$width = QRspec::getWidth($version);
$frame = QRspec::newFrame($version);
$filler = new FrameFiller($width, $frame);
if (is_null($filler)) {
return NULL;
}
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);
$j = QRspec::getRemainder($version);
for ($i = 0; $i < $j; $i++) {
$addr = $filler->next();
$filler->setFrameAt($addr, 0x02);
}
$frame = $filler->frame;
unset($filler);
$maskObj = new QRmask();
if ($mask < 0) {
if (QR_FIND_BEST_MASK) {
$masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel());
} else {
$masked = $maskObj->makeMask($width, $frame, (intval(QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel());
}
} else {
$masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel());
}
if ($masked == NULL) {
return NULL;
}
QRtools::markTime('after_mask');
$this->version = $version;
$this->width = $width;
$this->data = $masked;
return $this;
}
public function encodeInput(QRinput $input) {
return $this->encodeMask($input, -1);
}
public function encodeString8bit($string, $version, $level) {
if (string == NULL) {
throw new Exception('empty string!');
return NULL;
}
$input = new QRinput($version, $level);
if ($input == NULL)
return NULL;
$ret = $input->append($input, QR_MODE_8, strlen($string), str_split($string));
if ($ret < 0) {
unset($input);
return NULL;
}
return $this->encodeInput($input);
}
public function encodeString($string, $version, $level, $hint, $casesensitive) {
if ($hint != QR_MODE_8 && $hint != QR_MODE_KANJI) {
throw new Exception('bad hint');
return NULL;
}
$input = new QRinput($version, $level);
if ($input == NULL)
return NULL;
$ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive);
if ($ret < 0) {
return NULL;
}
return $this->encodeInput($input);
}
public static function png($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint = false) {
$enc = QRencode::factory($level, $size, $margin);
return $enc->encodePNG($text, $outfile, $saveandprint = false);
}
public static function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4) {
$enc = QRencode::factory($level, $size, $margin);
return $enc->encode($text, $outfile);
}
public static function raw($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4) {
$enc = QRencode::factory($level, $size, $margin);
return $enc->encodeRAW($text, $outfile);
}
}
class FrameFiller {
public $width;
public $frame;
public $x;
public $y;
public $dir;
public $bit;
public function __construct($width, &$frame) {
$this->width = $width;
$this->frame = $frame;
$this->x = $width - 1;
$this->y = $width - 1;
$this->dir = -1;
$this->bit = -1;
}
public function setFrameAt($at, $val) {
$this->frame[$at['y']][$at['x']] = chr($val);
}
public function getFrameAt($at) {
return ord($this->frame[$at['y']][$at['x']]);
}
public function next() {
do {
if ($this->bit == -1) {
$this->bit = 0;
return array('x' => $this->x, 'y' => $this->y);
}
$x = $this->x;
$y = $this->y;
$w = $this->width;
if ($this->bit == 0) {
$x--;
$this->bit++;
} else {
$x++;
$y += $this->dir;
$this->bit--;
}
if ($this->dir < 0) {
if ($y < 0) {
$y = 0;
$x -= 2;
$this->dir = 1;
if ($x == 6) {
$x--;
$y = 9;
}
}
} else {
if ($y == $w) {
$y = $w - 1;
$x -= 2;
$this->dir = -1;
if ($x == 6) {
$x--;
$y -= 8;
}
}
}
if ($x < 0 || $y < 0)
return null;
$this->x = $x;
$this->y = $y;
} while (ord($this->frame[$y][$x]) & 0x80);
return array('x' => $x, 'y' => $y);
}
}
;
class QRencode {
public $casesensitive = true;
public $eightbit = false;
public $version = 0;
public $size = 3;
public $margin = 4;
public $structured = 0;
public $level = QR_ECLEVEL_L;
public $hint = QR_MODE_8;
public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4) {
$enc = new QRencode();
$enc->size = $size;
$enc->margin = $margin;
switch ($level . '') {
case '0':
case '1':
case '2':
case '3':
$enc->level = $level;
break;
case 'l':
case 'L':
$enc->level = QR_ECLEVEL_L;
break;
case 'm':
case 'M':
$enc->level = QR_ECLEVEL_M;
break;
case 'q':
case 'Q':
$enc->level = QR_ECLEVEL_Q;
break;
case 'h':
case 'H':
$enc->level = QR_ECLEVEL_H;
break;
}
return $enc;
}
public function encodeRAW($intext, $outfile = false) {
$code = new QRcode();
if ($this->eightbit) {
$code->encodeString8bit($intext, $this->version, $this->level);
} else {
$code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
}
return $code->data;
}
public function encode($intext, $outfile = false) {
$code = new QRcode();
if ($this->eightbit) {
$code->encodeString8bit($intext, $this->version, $this->level);
} else {
$code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
}
QRtools::markTime('after_encode');
if ($outfile !== false) {
file_put_contents($outfile, join("\n", QRtools::binarize($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, $err);
$maxSize = (int) (QR_PNG_MAXIMUM_SIZE / (count($tab) + 2 * $this->margin));
QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin, $saveandprint);
} catch (Exception $e) {
QRtools::log($outfile, $e->getMessage());
}
}
}
?>
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