You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
3.4 KiB
117 lines
3.4 KiB
<?php
|
|
/**
|
|
* QRrawcode.php
|
|
*
|
|
* Created by arielferrandini
|
|
*/
|
|
|
|
namespace PHPQRCode;
|
|
|
|
use Exception;
|
|
|
|
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 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;
|
|
}
|
|
}
|
|
|