public function eat8()
{
$la = weixin_qrcode_QRspec::lengthIndicator(QR_MODE_AN, $this->input->getVersion());
$ln = weixin_qrcode_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++;
}
$dif = weixin_qrcode_QRinput::estimateBitsMode8($p) + weixin_qrcode_QRinput::estimateBitsModeNum($q - $p) + 4 + $ln - weixin_qrcode_QRinput::estimateBitsMode8($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++;
}
$dif = weixin_qrcode_QRinput::estimateBitsMode8($p) + weixin_qrcode_QRinput::estimateBitsModeAn($q - $p) + 4 + $la - weixin_qrcode_QRinput::estimateBitsMode8($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 $run;
}
public function estimateBitStreamSizeOfEntry($version)
{
$bits = 0;
if ($version == 0) {
$version = 1;
}
switch ($this->mode) {
case QR_MODE_NUM:
$bits = weixin_qrcode_QRinput::estimateBitsModeNum($this->size);
break;
case QR_MODE_AN:
$bits = weixin_qrcode_QRinput::estimateBitsModeAn($this->size);
break;
case QR_MODE_8:
$bits = weixin_qrcode_QRinput::estimateBitsMode8($this->size);
break;
case QR_MODE_KANJI:
$bits = weixin_qrcode_QRinput::estimateBitsModeKanji($this->size);
break;
case QR_MODE_STRUCTURE:
return STRUCTURE_HEADER_BITS;
default:
return 0;
}
$l = weixin_qrcode_QRspec::lengthIndicator($this->mode, $version);
$m = 1 << $l;
$num = (int) (($this->size + $m - 1) / $m);
$bits += $num * (4 + $l);
return $bits;
}