public function estimateBitStreamSizeOfEntry($version)
{
$bits = 0;
if ($version == 0) {
$version = 1;
}
switch ($this->mode) {
case QR_MODE_NUM:
$bits = wechat_qrcode_QRinput::estimateBitsModeNum($this->size);
break;
case QR_MODE_AN:
$bits = wechat_qrcode_QRinput::estimateBitsModeAn($this->size);
break;
case QR_MODE_8:
$bits = wechat_qrcode_QRinput::estimateBitsMode8($this->size);
break;
case QR_MODE_KANJI:
$bits = wechat_qrcode_QRinput::estimateBitsModeKanji($this->size);
break;
case QR_MODE_STRUCTURE:
return STRUCTURE_HEADER_BITS;
default:
return 0;
}
$l = wechat_qrcode_QRspec::lengthIndicator($this->mode, $version);
$m = 1 << $l;
$num = (int) (($this->size + $m - 1) / $m);
$bits += $num * (4 + $l);
return $bits;
}
