//----------------------------------------------------------------------
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) // + 4 + la
+ QRinput::estimateBitsModeNum($q - $p) + 4 + $ln
- QRinput::estimateBitsModeAn($q); // - 4 - la
if($dif < 0) {
break;
} else {
$p = $q;
}
} else {
$p++;
}
}
$run = $p;
if(!self::isalnumat($this->dataStr, $p)) {
$dif = QRinput::estimateBitsModeAn($run) + 4 + $la
+ QRinput::estimateBitsMode8(1) // + 4 + l8
- QRinput::estimateBitsMode8($run + 1); // - 4 - l8
if($dif > 0) {
return $this->eat8();
}
}
$ret = $this->input->append(QR_MODE_AN, $run, str_split($this->dataStr));
if($ret < 0)
return -1;
return $run;
}
//----------------------------------------------------------------------
public function eatKanji()
{
$p = 0;
while($this->identifyMode($p) == QR_MODE_KANJI) {
$p += 2;
}
$ret = $this->input->append(QR_MODE_KANJI, $p, str_split($this->dataStr));
if($ret < 0)
return -1;
return $run;
}
//----------------------------------------------------------------------
public function eat8()
{
$la = QRspec::lengthIndicator(QR_MODE_AN, $this->input->getVersion());
$ln = QRspec::lengthIndicator(QR_MODE_NUM, $this->input->getVersion());
$p = 1;
$dataStrLen = strlen($this->dataStr);
while($p < $dataStrLen) {
$mode = $this->identifyMode($p);
if($mode == QR_MODE_KANJI) {
break;
}
if($mode == QR_MODE_NUM) {
$q = $p;
while(self::isdigitat($this->dataStr, $q)) {
$q++;
}
$dif = QRinput::estimateBitsMode8($p) // + 4 + l8
+ QRinput::estimateBitsModeNum($q - $p) + 4 + $ln
- QRinput::estimateBitsMode8($q); // - 4 - l8
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) // + 4 + l8
+ QRinput::estimateBitsModeAn($q - $p) + 4 + $la
- QRinput::estimateBitsMode8($q); // - 4 - l8
if($dif < 0) {
break;
} else {
$p = $q;
}
} else {
$p++;
}
}
$run = $p;
$ret = $this->input->append(QR_MODE_8, $run, str_split($this->dataStr));
if($ret < 0)
return -1;
return $run;
}
//----------------------------------------------------------------------
public function splitString()
{
while (strlen($this->dataStr) > 0)
{
if($this->dataStr == '')
return 0;
$mode = $this->identifyMode(0);
switch ($mode) {
case QR_MODE_NUM: $length = $this->eatNum(); break;
case QR_MODE_AN: $length = $this->eatAn(); break;
case QR_MODE_KANJI:
if ($hint == QR_MODE_KANJI)
$length = $this->eatKanji();
else $length = $this->eat8();
break;
default: $length = $this->eat8(); break;
}
if($length == 0) return 0;
if($length < 0) return -1;
$this->dataStr = substr($this->dataStr, $length);
}
}
//----------------------------------------------------------------------
public function toUpper()
{
$stringLen = strlen($this->dataStr);
$p = 0;
while ($p<$stringLen) {
$mode = self::identifyMode(substr($this->dataStr, $p), $this->modeHint);
if($mode == QR_MODE_KANJI) {
$p += 2;
} else {
if (ord($this->dataStr[$p]) >= ord('a') && ord($this->dataStr[$p]) <= ord('z')) {
$this->dataStr[$p] = chr(ord($this->dataStr[$p]) - 32);
}
$p++;
}
}
return $this->dataStr;
}
//----------------------------------------------------------------------
public static function splitStringToQRinput($string, QRinput $input, $modeHint, $casesensitive = true)
{
if(is_null($string) || $string == '\0' || $string == '') {
throw new Exception('empty string!!!');
}
$split = new QRsplit($string, $input, $modeHint);
if(!$casesensitive)
$split->toUpper();
return $split->splitString();
}
}
//---- qrrscode.php -----------------------------
class QRrsItem {
public $mm; // Bits per symbol
public $nn; // Symbols per block (= (1<<mm)-1)
public $alpha_to = array(); // log lookup table
public $index_of = array(); // Antilog lookup table
public $genpoly = array(); // Generator polynomial
public $nroots; // Number of generator roots = number of parity symbols
public $fcr; // First consecutive root, index form
public $prim; // Primitive element, index form
public $iprim; // prim-th root of 1, index form
public $pad; // Padding bytes in shortened block
public $gfpoly;
//----------------------------------------------------------------------
public function modnn($x)
{
while ($x >= $this->nn) {
$x -= $this->nn;
$x = ($x >> $this->mm) + ($x & $this->nn);
}
return $x;
}
//----------------------------------------------------------------------
public static function init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)
{
// Common code for intializing a Reed-Solomon control block (char or int symbols)
// Copyright 2004 Phil Karn, KA9Q
// May be used under the terms of the GNU Lesser General Public License (LGPL)
$rs = null;
// Check parameter ranges
if($symsize < 0 || $symsize > 8) return $rs;
if($fcr < 0 || $fcr >= (1<<$symsize)) return $rs;
if($prim <= 0 || $prim >= (1<<$symsize)) return $rs;
if($nroots < 0 || $nroots >= (1<<$symsize)) return $rs; // Can't have more roots than symbol values!
if($pad < 0 || $pad >= ((1<<$symsize) -1 - $nroots)) return $rs; // Too much padding
$rs = new QRrsItem();
$rs->mm = $symsize;
$rs->nn = (1<<$symsize)-1;
$rs->pad = $pad;
$rs->alpha_to = array_fill(0, $rs->nn+1, 0);
$rs->index_of = array_fill(0, $rs->nn+1, 0);
// PHP style macro replacement ;)
$NN =& $rs->nn;
$A0 =& $NN;
// Generate Galois field lookup tables
$rs->index_of[0] = $A0; // log(zero) = -inf
$rs->alpha_to[$A0] = 0; // alpha**-inf = 0
$sr = 1;
for($i=0; $i<$rs->nn; $i++) {
$rs->index_of[$sr] = $i;
$rs->alpha_to[$i] = $sr;
$sr <<= 1;
if($sr & (1<<$symsize)) {
$sr ^= $gfpoly;
}
$sr &= $rs->nn;
}
if($sr != 1){
// field generator polynomial is not primitive!
$rs = NULL;
return $rs;
}
/* Form RS code generator polynomial from its roots */
$rs->genpoly = array_fill(0, $nroots+1, 0);
$rs->fcr = $fcr;
$rs->prim = $prim;
$rs->nroots = $nroots;
$rs->gfpoly = $gfpoly;
/* Find prim-th root of 1, used in decoding */
for($iprim=1;($iprim % $prim) != 0;$iprim += $rs->nn)
; // intentional empty-body loop!
$rs->iprim = (int)($iprim / $prim);
$rs->genpoly[0] = 1;
for ($i = 0,$root=$fcr*$prim; $i < $nroots; $i++, $root += $prim) {
$rs->genpoly[$i+1] = 1;
// Multiply rs->genpoly[] by @**(root + x)
for ($j = $i; $j > 0; $j--) {
if ($rs->genpoly[$j] != 0) {
$rs->genpoly[$j] = $rs->genpoly[$j-1] ^ $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[$j]] + $root)];
} else {
$rs->genpoly[$j] = $rs->genpoly[$j-1];
}
}
// rs->genpoly[0] can never be zero
$rs->genpoly[0] = $rs->alpha_to[$rs->modnn($rs->index_of[$rs->genpoly[0]] + $root)];
}
// convert rs->genpoly[] to index form for quicker encoding
for ($i = 0; $i <= $nroots; $i++)
$rs->genpoly[$i] = $rs->index_of[$rs->genpoly[$i]];
return $rs;
}
//----------------------------------------------------------------------
public function encode_rs_char($data, &$parity)
{
$MM =& $this->mm;
$NN =& $this->nn;
$ALPHA_TO =& $this->alpha_to;
$INDEX_OF =& $this->index_of;
$GENPOLY =& $this->genpoly;
$NROOTS =& $this->nroots;
$FCR =& $this->fcr;
$PRIM =& $this->prim;
$IPRIM =& $this->iprim;
$PAD =& $this->pad;
$A0 =& $NN;
$parity = array_fill(0, $NROOTS, 0);
for($i=0; $i< ($NN-$NROOTS-$PAD); $i++) {
$feedback = $INDEX_OF[$data[$i] ^ $parity[0]];
if($feedback != $A0) {
// feedback term is non-zero
// This line is unnecessary when GENPOLY[NROOTS] is unity, as it must
// always be for the polynomials constructed by init_rs()
$feedback = $this->modnn($NN - $GENPOLY[$NROOTS] + $feedback);
for($j=1;$j<$NROOTS;$j++) {
$parity[$j] ^= $ALPHA_TO[$this->modnn($feedback + $GENPOLY[$NROOTS-$j])];
}
}
// Shift
array_shift($parity);
if($feedback != $A0) {
array_push($parity, $ALPHA_TO[$this->modnn($feedback + $GENPOLY[0])]);
} else {
array_push($parity, 0);
}
}
}
}
//##########################################################################
class QRrs {
public static $items = array();
//----------------------------------------------------------------------
public static function init_rs($symsize, $gfpoly, $fcr, $prim, $nroots, $pad)
{
foreach(self::$items as $rs) {
if($rs->pad != $pad) continue;
if($rs->nroots != $nroots) continue;
if($rs->mm != $symsize) continue;
if($rs->gfpoly != $gfpoly) continue;
if($rs->fcr != $fcr) continue;
if($rs->prim != $prim) continue;
return $rs;
}
$rs = QRrsItem::init_rs_char($symsize, $gfpoly, $fcr, $prim, $nroots, $pad);
array_unshift(self::$items, $rs);
return $rs;
}
}
//---- qrmask.php -----------------------------
define('N1', 3);
define('N2', 3);
define('N3', 40);
define('N4', 10);
class QRmask {
public $runLength = array();
//----------------------------------------------------------------------
public function __construct()
{
$this->runLength = array_fill(0, QRSPEC_WIDTH_MAX + 1, 0);
}
//----------------------------------------------------------------------
public function writeFormatInformation($width, &$frame, $mask, $level)
{
$blacks = 0;
$format = QRspec::getFormatInfo($mask, $level);
for($i=0; $i<8; $i++) {
if($format & 1) {
$blacks += 2;
$v = 0x85;
} else {
$v = 0x84;
}
$frame[8][$width - 1 - $i] = chr($v);
if($i < 6) {
$frame[$i][8] = chr($v);
} else {
$frame[$i + 1][8] = chr($v);
}
$format = $format >> 1;
}
for($i=0; $i<7; $i++) {
if($format & 1) {
$blacks += 2;
$v = 0x85;
} else {
$v = 0x84;
}
$frame[$width - 7 + $i][8] = chr($v);
if($i == 0) {
$frame[8][7] = chr($v);
} else {
$frame[8][6 - $i] = chr($v);
}
$format = $format >> 1;
}
return $blacks;
}
//----------------------------------------------------------------------
public function mask0($x, $y) { return ($x+$y)&1; }
public function mask1($x, $y) { return ($y&1); }
public function mask2($x, $y) { return ($x%3); }
public function mask3($x, $y) { return ($x+$y)%3; }
public function mask4($x, $y) { return (((int)($y/2))+((int)($x/3)))&1; }
public function mask5($x, $y) { return (($x*$y)&1)+($x*$y)%3; }
public function mask6($x, $y) { return ((($x*$y)&1)+($x*$y)%3)&1; }
public function mask7($x, $y) { return ((($x*$y)%3)+(($x+$y)&1))&1; }
//----------------------------------------------------------------------
private function generateMaskNo($maskNo, $width, $frame)
{
$bitMask = array_fill(0, $width, array_fill(0, $width, 0));
for($y=0; $y<$width; $y++) {
for($x=0; $x<$width; $x++) {
if(ord($frame[$y][$x]) & 0x80) {
$bitMask[$y][$x] = 0;
} else {
$maskFunc = call_user_func(array($this, 'mask'.$maskNo), $x, $y);
$bitMask[$y][$x] = ($maskFunc == 0)?1:0;
}
}
}
return $bitMask;
}
//----------------------------------------------------------------------
public static function serial($bitFrame)
{
$codeArr = array();
foreach ($bitFrame as $line)
$codeArr[] = join('', $line);
return gzcompress(join("\n", $codeArr), 9);
}
//----------------------------------------------------------------------
public static function unserial($code)
{
$codeArr = array();
$codeLines = explode("\n", gzuncompress($code));
foreach ($codeLines as $line)
$codeArr[] = str_split($line);
return $codeArr;
}
//----------------------------------------------------------------------
public function makeMaskNo($maskNo, $width, $s, &$d, $maskGenOnly = false)
{
$b = 0;
$bitMask = array();
$fileName = QR_CACHE_DIR.'mask_'.$maskNo.DIRECTORY_SEPARATOR.'mask_'.$width.'_'.$maskNo.'.dat';
if (QR_CACHEABLE) {
if (file_exists($fileName)) {
$bitMask = self::unserial(file_get_contents($fileName));
} else {
$bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);
if (!file_exists(QR_CACHE_DIR.'mask_'.$maskNo))
mkdir(QR_CACHE_DIR.'mask_'.$maskNo);
file_put_contents($fileName, self::serial($bitMask));
}
} else {
$bitMask = $this->generateMaskNo($maskNo, $width, $s, $d);
}
if ($maskGenOnly)
return;
$d = $s;
for($y=0; $y<$width; $y++) {
for($x=0; $x<$width; $x++) {
if($bitMask[$y][$x] == 1) {
$d[$y][$x] = chr(ord($s[$y][$x]) ^ (int)$bitMask[$y][$x]);
}
$b += (int)(ord($d[$y][$x]) & 1);
}
}
return $b;
}
//----------------------------------------------------------------------
public function makeMask($width, $frame, $maskNo, $level)
{
$masked = array_fill(0, $width, str_repeat("\0", $width));
$this->makeMaskNo($maskNo, $width, $frame, $masked);
$this->writeFormatInformation($width, $masked, $maskNo, $level);
return $masked;
}
//----------------------------------------------------------------------
public function calcN1N3($length)
{
$demerit = 0;
for($i=0; $i<$length; $i++) {
if($this->runLength[$i] >= 5) {
$demerit += (N1 + ($this->runLength[$i] - 5));
}
if($i & 1) {
if(($i >= 3) && ($i < ($length-2)) && ($this->runLength[$i] % 3 == 0)) {
$fact = (int)($this->runLength[$i] / 3);
if(($this->runLength[$i-2] == $fact) &&
($this->runLength[$i-1] == $fact) &&
($this->runLength[$i+1] == $fact) &&
($this->runLength[$i+2] == $fact)) {
if(($this->runLength[$i-3] < 0) || ($this->runLength[$i-3] >= (4 * $fact))) {
$demerit += N3;
} else if((($i+3) >= $length) || ($this->runLength[$i+3] >= (4 * $fact))) {
$demerit += N3;
}
}
}
}
}
return $demerit;
}
//----------------------------------------------------------------------
public function evaluateSymbol($width, $frame)
{
$head = 0;
$demerit = 0;
for($y=0; $y<$width; $y++) {
$head = 0;
$this->runLength[0] = 1;
$frameY = $frame[$y];
if ($y>0)
$frameYM = $frame[$y-1];
for($x=0; $x<$width; $x++) {
if(($x > 0) && ($y > 0)) {
$b22 = ord($frameY[$x]) & ord($frameY[$x-1]) & ord($frameYM[$x]) & ord($frameYM[$x-1]);
$w22 = ord($frameY[$x]) | ord($frameY[$x-1]) | ord($frameYM[$x]) | ord($frameYM[$x-1]);
if(($b22 | ($w22 ^ 1))&1) {
$demerit += N2;
}
}
if(($x == 0) && (ord($frameY[$x]) & 1)) {
$this->runLength[0] = -1;
$head = 1;
$this->runLength[$head] = 1;
} else if($x > 0) {
if((ord($frameY[$x]) ^ ord($frameY[$x-1])) & 1) {
$head++;
$this->runLength[$head] = 1;
} else {
$this->runLength[$head]++;
}
}
}
$demerit += $this->calcN1N3($head+1);
}
for($x=0; $x<$width; $x++) {
$head = 0;
$this->runLength[0] = 1;
for($y=0; $y<$width; $y++) {
if($y == 0 && (ord($frame[$y][$x]) & 1)) {
$this->runLength[0] = -1;
$head = 1;
$this->runLength[$head] = 1;
} else if($y > 0) {
if((ord($frame[$y][$x]) ^ ord($frame[$y-1][$x])) & 1) {
$head++;
$this->runLength[$head] = 1;
} else {
$this->runLength[$head]++;
}
}
}
$demerit += $this->calcN1N3($head+1);
}
return $demerit;
}
//----------------------------------------------------------------------
public function mask($width, $frame, $level)
{
$minDemerit = PHP_INT_MAX;
$bestMaskNum = 0;
$bestMask = array();
$checked_masks = array(0,1,2,3,4,5,6,7);
if (QR_FIND_FROM_RANDOM !== false) {
$howManuOut = 8-(QR_FIND_FROM_RANDOM % 9);
for ($i = 0; $i < $howManuOut; $i++) {
$remPos = rand (0, count($checked_masks)-1);
unset($checked_masks[$remPos]);
$checked_masks = array_values($checked_masks);
}
}
$bestMask = $frame;
foreach($checked_masks as $i) {
$mask = array_fill(0, $width, str_repeat("\0", $width));
$demerit = 0;
$blacks = 0;
$blacks = $this->makeMaskNo($i, $width, $frame, $mask);
$blacks += $this->writeFormatInformation($width, $mask, $i, $level);
$blacks = (int)(100 * $blacks / ($width * $width));
$demerit = (int)((int)(abs($blacks - 50) / 5) * N4);
$demerit += $this->evaluateSymbol($width, $mask);
if($demerit < $minDemerit) {
$minDemerit = $demerit;
$bestMask = $mask;
$bestMaskNum = $i;
}
}
return $bestMask;
}
//----------------------------------------------------------------------
}
class QRrsblock {
public $dataLength;
public $data = array();
public $eccLength;
public $ecc = array();
public function __construct($dl, $data, $el, &$ecc, QRrsItem $rs)
{
$rs->encode_rs_char($data, $ecc);
$this->dataLength = $dl;
$this->data = $data;
$this->eccLength = $el;
$this->ecc = $ecc;
}
};
//##########################################################################
class QRrawcode {
public $version;
public $datacode = array();
public $ecccode = array();
public $blocks;
public $rsblocks = array(); //of RSblock
public $count;
public $dataLength;
public $eccLength;
public $b1;
//----------------------------------------------------------------------
public function __construct(QRinput $input)
{
$spec = array(0,0,0,0,0);
$this->datacode = $input->getByteStream();
if(is_null($this->datacode)) {
throw new Exception('null imput string');
}
QRspec::getEccSpec($input->getVersion(), $input->getErrorCorrectionLevel(), $spec);
$this->version = $input->getVersion();
$this->b1 = QRspec::rsBlockNum1($spec);
$this->dataLength = QRspec::rsDataLength($spec);
$this->eccLength = QRspec::rsEccLength($spec);
$this->ecccode = array_fill(0, $this->eccLength, 0);
$this->blocks = QRspec::rsBlockNum($spec);
$ret = $this->init($spec);
if($ret < 0) {
throw new Exception('block alloc error');
return null;
}
$this->count = 0;
}
//----------------------------------------------------------------------
public function init(array $spec)
{
$dl = QRspec::rsDataCodes1($spec);
$el = QRspec::rsEccCodes1($spec);
$rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
$blockNo = 0;
$dataPos = 0;
$eccPos = 0;
for($i=0; $i<QRspec::rsBlockNum1($spec); $i++) {
$ecc = array_slice($this->ecccode,$eccPos);
$this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
$this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
$dataPos += $dl;
$eccPos += $el;
$blockNo++;
}
if(QRspec::rsBlockNum2($spec) == 0)
return 0;
$dl = QRspec::rsDataCodes2($spec);
$el = QRspec::rsEccCodes2($spec);
$rs = QRrs::init_rs(8, 0x11d, 0, 1, $el, 255 - $dl - $el);
if($rs == NULL) return -1;
for($i=0; $i<QRspec::rsBlockNum2($spec); $i++) {
$ecc = array_slice($this->ecccode,$eccPos);
$this->rsblocks[$blockNo] = new QRrsblock($dl, array_slice($this->datacode, $dataPos), $el, $ecc, $rs);
$this->ecccode = array_merge(array_slice($this->ecccode,0, $eccPos), $ecc);
$dataPos += $dl;
$eccPos += $el;
$blockNo++;
}
return 0;
}
//----------------------------------------------------------------------
public function getCode()
{
$ret;
if($this->count < $this->dataLength) {
$row = $this->count % $this->blocks;
$col = $this->count / $this->blocks;
if($col >= $this->rsblocks[0]->dataLength) {
$row += $this->b1;
}
$ret = $this->rsblocks[$row]->data[$col];
} else if($this->count < $this->dataLength + $this->eccLength) {
$row = ($this->count - $this->dataLength) % $this->blocks;
$col = ($this->count - $this->dataLength) / $this->blocks;
$ret = $this->rsblocks[$row]->ecc[$col];
} else {
return 0;
}
$this->count++;
return $ret;
}
}
//##########################################################################
class QRcode {
public $version;
public $width;
public $data;
//----------------------------------------------------------------------
public function encodeMask(QRinput $input, $mask)
{
if($input->getVersion() < 0 || $input->getVersion() > QRSPEC_VERSION_MAX) {
throw new Exception('wrong version');
}
if($input->getErrorCorrectionLevel() > QR_ECLEVEL_H) {
throw new Exception('wrong level');
}
$raw = new QRrawcode($input);
QRtools::markTime('after_raw');
$version = $raw->version;
$width = QRspec::getWidth($version);
$frame = QRspec::newFrame($version);
$filler = new FrameFiller($width, $frame);
if(is_null($filler)) {
return NULL;
}
// inteleaved data and ecc codes
for($i=0; $i<$raw->dataLength + $raw->eccLength; $i++) {
$code = $raw->getCode();
$bit = 0x80;
for($j=0; $j<8; $j++) {
$addr = $filler->next();
$filler->setFrameAt($addr, 0x02 | (($bit & $code) != 0));
$bit = $bit >> 1;
}
}
QRtools::markTime('after_filler');
unset($raw);
// remainder bits
$j = QRspec::getRemainder($version);
for($i=0; $i<$j; $i++) {
$addr = $filler->next();
$filler->setFrameAt($addr, 0x02);
}
$frame = $filler->frame;
unset($filler);
// masking
$maskObj = new QRmask();
if($mask < 0) {
if (QR_FIND_BEST_MASK) {
$masked = $maskObj->mask($width, $frame, $input->getErrorCorrectionLevel());
} else {
$masked = $maskObj->makeMask($width, $frame, (intval(QR_DEFAULT_MASK) % 8), $input->getErrorCorrectionLevel());
}
} else {
$masked = $maskObj->makeMask($width, $frame, $mask, $input->getErrorCorrectionLevel());
}
if($masked == NULL) {
return NULL;
}
QRtools::markTime('after_mask');
$this->version = $version;
$this->width = $width;
$this->data = $masked;
return $this;
}
//----------------------------------------------------------------------
public function encodeInput(QRinput $input)
{
return $this->encodeMask($input, -1);
}
//----------------------------------------------------------------------
public function encodeString8bit($string, $version, $level)
{
if(string == NULL) {
throw new Exception('empty string!');
return NULL;
}
$input = new QRinput($version, $level);
if($input == NULL) return NULL;
$ret = $input->append($input, QR_MODE_8, strlen($string), str_split($string));
if($ret < 0) {
unset($input);
return NULL;
}
return $this->encodeInput($input);
}
//----------------------------------------------------------------------
public function encodeString($string, $version, $level, $hint, $casesensitive)
{
if($hint != QR_MODE_8 && $hint != QR_MODE_KANJI) {
throw new Exception('bad hint');
return NULL;
}
$input = new QRinput($version, $level);
if($input == NULL) return NULL;
$ret = QRsplit::splitStringToQRinput($string, $input, $hint, $casesensitive);
if($ret < 0) {
return NULL;
}
return $this->encodeInput($input);
}
//----------------------------------------------------------------------
public static function png($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4, $saveandprint=false)
{
$enc = QRencode::factory($level, $size, $margin);
return $enc->encodePNG($text, $outfile, $saveandprint=false);
}
//----------------------------------------------------------------------
public static function text($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)
{
$enc = QRencode::factory($level, $size, $margin);
return $enc->encode($text, $outfile);
}
//----------------------------------------------------------------------
public static function raw($text, $outfile = false, $level = QR_ECLEVEL_L, $size = 3, $margin = 4)
{
$enc = QRencode::factory($level, $size, $margin);
return $enc->encodeRAW($text, $outfile);
}
}
//##########################################################################
class FrameFiller {
public $width;
public $frame;
public $x;
public $y;
public $dir;
public $bit;
//----------------------------------------------------------------------
public function __construct($width, &$frame)
{
$this->width = $width;
$this->frame = $frame;
$this->x = $width - 1;
$this->y = $width - 1;
$this->dir = -1;
$this->bit = -1;
}
//----------------------------------------------------------------------
public function setFrameAt($at, $val)
{
$this->frame[$at['y']][$at['x']] = chr($val);
}
//----------------------------------------------------------------------
public function getFrameAt($at)
{
return ord($this->frame[$at['y']][$at['x']]);
}
//----------------------------------------------------------------------
public function next()
{
do {
if($this->bit == -1) {
$this->bit = 0;
return array('x'=>$this->x, 'y'=>$this->y);
}
$x = $this->x;
$y = $this->y;
$w = $this->width;
if($this->bit == 0) {
$x--;
$this->bit++;
} else {
$x++;
$y += $this->dir;
$this->bit--;
}
if($this->dir < 0) {
if($y < 0) {
$y = 0;
$x -= 2;
$this->dir = 1;
if($x == 6) {
$x--;
$y = 9;
}
}
} else {
if($y == $w) {
$y = $w - 1;
$x -= 2;
$this->dir = -1;
if($x == 6) {
$x--;
$y -= 8;
}
}
}
if($x < 0 || $y < 0) return null;
$this->x = $x;
$this->y = $y;
} while(ord($this->frame[$y][$x]) & 0x80);
return array('x'=>$x, 'y'=>$y);
}
} ;
//##########################################################################
class QRencode {
public $casesensitive = true;
public $eightbit = false;
public $version = 0;
public $size = 3;
public $margin = 4;
public $structured = 0; // not supported yet
public $level = QR_ECLEVEL_L;
public $hint = QR_MODE_8;
//----------------------------------------------------------------------
public static function factory($level = QR_ECLEVEL_L, $size = 3, $margin = 4)
{
$enc = new QRencode();
$enc->size = $size;
$enc->margin = $margin;
switch ($level.'') {
case '0':
case '1':
case '2':
case '3':
$enc->level = $level;
break;
case 'l':
case 'L':
$enc->level = QR_ECLEVEL_L;
break;
case 'm':
case 'M':
$enc->level = QR_ECLEVEL_M;
break;
case 'q':
case 'Q':
$enc->level = QR_ECLEVEL_Q;
break;
case 'h':
case 'H':
$enc->level = QR_ECLEVEL_H;
break;
}
return $enc;
}
//----------------------------------------------------------------------
public function encodeRAW($intext, $outfile = false)
{
$code = new QRcode();
if($this->eightbit) {
$code->encodeString8bit($intext, $this->version, $this->level);
} else {
$code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
}
return $code->data;
}
//----------------------------------------------------------------------
public function encode($intext, $outfile = false)
{
$code = new QRcode();
if($this->eightbit) {
$code->encodeString8bit($intext, $this->version, $this->level);
} else {
$code->encodeString($intext, $this->version, $this->level, $this->hint, $this->casesensitive);
}
QRtools::markTime('after_encode');
if ($outfile!== false) {
file_put_contents($outfile, join("\n", QRtools::binarize($code->data)));
} else {
return QRtools::binarize($code->data);
}
}
//----------------------------------------------------------------------
public function encodePNG($intext, $outfile = false,$saveandprint=false)
{
try {
ob_start();
$tab = $this->encode($intext);
$err = ob_get_contents();
ob_end_clean();
if ($err != '')
QRtools::log($outfile, $err);
$maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)+2*$this->margin));
QRimage::png($tab, $outfile, min(max(1, $this->size), $maxSize), $this->margin,$saveandprint);
} catch (Exception $e) {
QRtools::log($outfile, $e->getMessage());
}
}
}
/*
使用时
$uname = trim($_post['uname']);//接收到要转换为二维码的内容;
$uid = md5($uname); //转换为md5码
$value = 'http://'; //二维码内容
$errorCorrectionLevel = 'L';//容错级别
$matrixPointSize = 8;//生成图片大小
QRcode::png($value, 'ewm/'.$unid.'_qrcode.png', $errorCorrectionLevel, $matrixPointSize, 0);
*/
转载:https://blog.csdn.net/LXY_liuxingyao/article/details/101458285