|
<?php |
|
|
|
|
|
|
|
|
|
|
|
|
|
namespace PHPQRCode; |
|
|
|
use Exception; |
|
|
|
class QRrawcode { |
|
public $version; |
|
public $datacode = array(); |
|
public $ecccode = array(); |
|
public $blocks; |
|
public $rsblocks = array(); |
|
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 input 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() |
|
{ |
|
$ret = null; |
|
|
|
if($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; |
|
} |
|
} |
|
|