makeMaskNo($maskNo, $width, $frame, $bitMask, true); } } QRtools::markTime('after_build_cache'); } static public function log($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') . ': ' . $err, FILE_APPEND); } } } } static public function dumpMask($frame) { $width = count($frame); for ($y = 0; $y < $width; $y++) { for ($x = 0; $x < $width; $x++) { echo ord($frame[$y][$x]) . ','; } } } static public function markTime($markerId) { list($usec, $sec) = explode(' ', microtime()); $time = (double) $usec + (double) $sec; if (!isset($GLOBALS['qr_time_bench'])) { $GLOBALS['qr_time_bench'] = array(); } $GLOBALS['qr_time_bench'][$markerId] = $time; } static public function timeBenchmark() { self::markTime('finish'); $lastTime = 0; $startTime = 0; $p = 0; echo '
| BENCHMARK | |
| till ' . $markerId . ': | ' . number_format($thisTime - $lastTime, 6) . 's |
|---|---|
| TOTAL: | ' . number_format($lastTime - $startTime, 6) . 's |
'; echo join('
', $frame); echo '
';
echo join('
', $frame);
echo '';
}
}
static public function serial($frame)
{
return gzcompress(join('
', $frame), 9);
}
static public function unserial($code)
{
return explode('
', gzuncompress($code));
}
static public function newFrame($version)
{
if ($version < 1 || QRSPEC_VERSION_MAX < $version) {
return NULL;
}
if (!isset(self::$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];
}
static public function rsBlockNum($spec)
{
return $spec[0] + $spec[3];
}
static public function rsBlockNum1($spec)
{
return $spec[0];
}
static public function rsDataCodes1($spec)
{
return $spec[1];
}
static public function rsEccCodes1($spec)
{
return $spec[2];
}
static public function rsBlockNum2($spec)
{
return $spec[3];
}
static public function rsDataCodes2($spec)
{
return $spec[4];
}
static public function rsEccCodes2($spec)
{
return $spec[2];
}
static public function rsDataLength($spec)
{
return $spec[0] * $spec[1] + $spec[3] * $spec[4];
}
static public function rsEccLength($spec)
{
return ($spec[0] + $spec[3]) * $spec[2];
}
}
class QRimage
{
static public function png($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);
}
static public 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);
}
static private 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;
}
}
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 = 1;
$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, 2);
$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, 4);
$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, 8);
$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 <= 40956) {
$val -= 33088;
}
else {
$val -= 49472;
}
$h = ($val >> 8) * 192;
$val = ($val & 255) + $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, 3);
$bs->appendNum(4, ord($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, $version);
if ($words < $this->size) {
$st1 = new QRinputItem($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;
static public $anTable = array(-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 36, -1, -1, -1, 37, 38, -1, -1, -1, -1, 39, 40, -1, 41, 42, 43, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 44, -1, -1, -1, -1, -1, -1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
public function __construct($version = 0, $level = QR_ECLEVEL_L)
{
if ($version < 0 || QRSPEC_VERSION_MAX < $version || QR_ECLEVEL_H < $level) {
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 || QRSPEC_VERSION_MAX < $version) {
throw new Exception('Invalid version no');
return -1;
}
$this->version = $version;
return 0;
}
public function getErrorCorrectionLevel()
{
return $this->level;
}
public function setErrorCorrectionLevel($level)
{
if (QR_ECLEVEL_H < $level) {
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 (MAX_STRUCTURED_SYMBOLS < $size) {
throw new Exception('insertStructuredAppendHeader wrong size');
}
if ($index <= 0 || MAX_STRUCTURED_SYMBOLS < $index) {
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; 0 <= $i; $i--) {
$parity ^= $item->data[$i];
}
}
}
return $parity;
}
static public function checkModeNum($size, $data)
{
for ($i = 0; $i < $size; $i++) {
if (ord($data[$i]) < ord('0') || ord('9') < ord($data[$i])) {
return false;
}
}
return true;
}
static public function estimateBitsModeNum($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 $bits;
}
static public function lookAnTable($c)
{
return 127 < $c ? -1 : self::$anTable[$c];
}
static public function checkModeAn($size, $data)
{
for ($i = 0; $i < $size; $i++) {
if (self::lookAnTable(ord($data[$i])) == -1) {
return false;
}
}
return true;
}
static public function estimateBitsModeAn($size)
{
$w = (int) ($size / 2);
$bits = $w * 11;
if ($size & 1) {
$bits += 6;
}
return $bits;
}
static public function estimateBitsMode8($size)
{
return $size * 8;
}
public function estimateBitsModeKanji($size)
{
return (int) ($size / 2 * 13);
}
static public function checkModeKanji($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 < 33088 || 40956 < $val && $val < 57408 || 60351 < $val) {
return false;
}
}
return true;
}
static public function check($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 ($prev < $version);
return $version;
}
static public function lengthOfCode($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 (7 <= $remain) {
$size += 2;
}
else if (4 <= $remain) {
$size += 1;
}
break;
case QR_MODE_AN:
$chunks = (int) ($payload / 11);
$remain = $payload - $chunks * 11;
$size = $chunks * 2;
if (6 <= $remain) {
$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) {
$size = 0;
}
if ($maxsize < $size) {
$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 = $this->estimateVersion();
if ($this->getVersion() < $ver) {
$this->setVersion($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 ($this->getVersion() < $ver) {
$this->setVersion($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 (0 < $padlen) {
$padbuf = array();
for ($i = 0; $i < $padlen; $i++) {
$padbuf[$i] = $i & 1 ? 17 : 236;
}
$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, $setLength, 0);
return 0;
}
static public function newFromNum($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 $bstream;
}
static public function newFromBytes($size, $data)
{
$bstream = new QRbitstream();
$bstream->allocate($size * 8);
$p = 0;
for ($i = 0; $i < $size; $i++) {
$mask = 128;
for ($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 = $modeHint;
}
static public function isdigitat($str, $pos)
{
if (strlen($str) <= $pos) {
return false;
}
return ord('0') <= ord($str[$pos]) && ord($str[$pos]) <= ord('9');
}
static public function isalnumat($str, $pos)
{
if (strlen($str) <= $pos) {
return false;
}
return 0 <= QRinput::lookAnTable(ord($str[$pos]));
}
public function identifyMode($pos)
{
if (strlen($this->dataStr) <= $pos) {
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 (33088 <= $word && $word <= 40956 || 57408 <= $word && $word <= 60351) {
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 (0 < $dif) {
return $this->eat8();
}
}
if ($mode == QR_MODE_AN) {
$dif = QRinput::estimateBitsModeNum($run) + 4 + $ln + QRinput::estimateBitsModeAn(1) - QRinput::estimateBitsModeAn($run + 1);
if (0 < $dif) {
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 (0 < $dif) {
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 $run;
}
public function splitString()
{
while (0 < strlen($this->dataStr)) {
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) {
$p += 2;
}
else {
if (ord('a') <= ord($this->dataStr[$p]) && ord($this->dataStr[$p]) <= ord('z')) {
$this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32);
}
$p++;
}
}
return $this->dataStr;
}
static public function splitStringToQRinput($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 ($this->nn <= $x) {
$x -= $this->nn;
$x = ($x >> $this->mm) + ($x & $this->nn);
}
return $x;
}
static public function init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)
{
$rs = NULL;
if ($symsize < 0 || 8 < $symsize) {
return $rs;
}
if ($fcr < 0 || 1 << $symsize <= $fcr) {
return $rs;
}
if ($prim <= 0 || 1 << $symsize <= $prim) {
return $rs;
}
if ($nroots < 0 || 1 << $symsize <= $nroots) {
return $rs;
}
if ($pad < 0 || (1 << $symsize) - 1 - $nroots <= $pad) {
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;
$i = 0;
for ($root = $fcr * $prim; $i < $nroots; $i++, $root += $prim) {
$rs->genpoly[$i + 1] = 1;
for ($j = $i; 0 < $j; $j--) {
if ($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
{
static public $items = array();
static public function init_rs($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;
}
}
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 = 133;
}
else {
$v = 132;
}
$frame[8][$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 = 133;
}
else {
$v = 132;
}
$frame[$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]) & 128) {
$bitMask[$y][$x] = 0;
}
else {
$maskFunc = call_user_func(array($this, 'mask' . $maskNo), $x, $y);
$bitMask[$y][$x] = $maskFunc == 0 ? 1 : 0;
}
}
}
return $bitMask;
}
static public function serial($bitFrame)
{
$codeArr = array();
foreach ($bitFrame as $line) {
$codeArr[] = join('', $line);
}
return gzcompress(join('
', $codeArr), 9);
}
static public function unserial($code)
{
$codeArr = array();
$codeLines = explode('
', gzuncompress($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 NULL;
}
$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(' ', $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 (5 <= $this->runLength[$i]) {
$demerit += N1 + ($this->runLength[$i] - 5);
}
if ($i & 1) {
if (3 <= $i && $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 || 4 * $fact <= $this->runLength[$i - 3]) {
$demerit += N3;
}
else {
if ($length <= $i + 3 || 4 * $fact <= $this->runLength[$i + 3]) {
$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 (0 < $y) {
$frameYM = $frame[$y - 1];
}
for ($x = 0; $x < $width; $x++) {
if (0 < $x && 0 < $y) {
$b22 = ord($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 (0 < $x) {
if ((ord($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 (0 < $y) {
if ((ord($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(' ', $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, 285, 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, 285, 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;
$blockNo++;
}
return 0;
}
public function getCode()
{
if ($this->count < $this->dataLength) {
$row = $this->count % $this->blocks;
$col = $this->count / $this->blocks;
if ($this->rsblocks[0]->dataLength <= $col) {
$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 || QRSPEC_VERSION_MAX < $input->getVersion()) {
throw new Exception('wrong version');
}
if (QR_ECLEVEL_H < $input->getErrorCorrectionLevel()) {
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();
$bit = 128;
for ($j = 0; $j < 8; $j++) {
$addr = $filler->next();
$filler->setFrameAt($addr, 2 | ($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, 2);
}
$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);
}
static public 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, $saveandprint = false);
}
static public function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)
{
$enc = QRencode::factory($level, $size, $margin);
return $enc->encode($text, $outfile);
}
static public function raw($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]) & 128);
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 $hint = QR_MODE_8;
static public function factory($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($outfile, join('
', QRtools::binarize($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());
}
}
}
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);
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);
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);
define('QR_IMAGE', true);
define('STRUCTURE_HEADER_BITS', 20);
define('MAX_STRUCTURED_SYMBOLS', 16);
define('N1', 3);
define('N2', 3);
define('N3', 40);
define('N4', 10);
?>