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


        '; + echo join("
        ", $frame); + echo '





'; + + } else { + + foreach ($frame as &$frameLine) { + $frameLine = join(' ', explode("\xc0", $frameLine)); + $frameLine = join('▒', explode("\xc1", $frameLine)); + $frameLine = join(' ', explode("\xa0", $frameLine)); + $frameLine = join('▒', explode("\xa1", $frameLine)); + $frameLine = join('◇', explode("\x84", $frameLine)); //format 0 + $frameLine = join('◆', explode("\x85", $frameLine)); //format 1 + $frameLine = join('☢', explode("\x81", $frameLine)); //special bit + $frameLine = join(' ', explode("\x90", $frameLine)); //clock 0 + $frameLine = join('◷', explode("\x91", $frameLine)); //clock 1 + $frameLine = join(' ', explode("\x88", $frameLine)); //version + $frameLine = join('▒', explode("\x89", $frameLine)); //version + $frameLine = join('♦', explode("\x01", $frameLine)); + $frameLine = join('⋅', explode("\0", $frameLine)); + } + + ?> + + "; + echo join("
", $frame); + echo ""; + + } + } + + //---------------------------------------------------------------------- + public static function serial($frame) + { + return gzcompress(join("\n", $frame), 9); + } + + //---------------------------------------------------------------------- + public static function unserial($code) + { + return explode("\n", gzuncompress($code)); + } + + //---------------------------------------------------------------------- + public static function newFrame($version) + { + if($version < 1 || $version > QRSPEC_VERSION_MAX) + return null; + + if(!isset(self::$frames[$version])) { + + $fileName = QR_CACHE_DIR.'frame_'.$version.'.dat'; + + if (QR_CACHEABLE) { + if (file_exists($fileName)) { + self::$frames[$version] = self::unserial(file_get_contents($fileName)); + } else { + self::$frames[$version] = self::createFrame($version); + file_put_contents($fileName, self::serial(self::$frames[$version])); + } + } else { + self::$frames[$version] = self::createFrame($version); + } + } + + if(is_null(self::$frames[$version])) + return null; + + return self::$frames[$version]; + } + + //---------------------------------------------------------------------- + public static function rsBlockNum($spec) { return $spec[0] + $spec[3]; } + public static function rsBlockNum1($spec) { return $spec[0]; } + public static function rsDataCodes1($spec) { return $spec[1]; } + public static function rsEccCodes1($spec) { return $spec[2]; } + public static function rsBlockNum2($spec) { return $spec[3]; } + public static function rsDataCodes2($spec) { return $spec[4]; } + public static function rsEccCodes2($spec) { return $spec[2]; } + public static function rsDataLength($spec) { return ($spec[0] * $spec[1]) + ($spec[3] * $spec[4]); } + public static function rsEccLength($spec) { return ($spec[0] + $spec[3]) * $spec[2]; } + + } \ No newline at end of file