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;
}
