/**
* Gets the number of EC blocks for a specific EC level.
*
* @param ErrorCorrectionLevel $ecLevel
* @return integer
*/
public function getEcBlocksForLevel(ErrorCorrectionLevel $ecLevel)
{
return $this->errorCorrectionBlocks[$ecLevel->getOrdinal()];
}
/**
* Generates type information bits and appends them to a bit array.
*
* @param ErrorCorrectionLevel $level
* @param integer $maskPattern
* @param BitArray $bits
* @return void
* @throws Exception\RuntimeException
*/
protected static function makeTypeInfoBits(ErrorCorrectionLevel $level, $maskPattern, BitArray $bits)
{
$typeInfo = $level->get() << 3 | $maskPattern;
$bits->appendBits($typeInfo, 5);
$bchCode = self::calculateBchCode($typeInfo, self::$typeInfoPoly);
$bits->appendBits($bchCode, 10);
$maskBits = new BitArray();
$maskBits->appendBits(self::$typeInfoMaskPattern, 15);
$bits->xorBits($maskBits);
if ($bits->getSize() !== 15) {
throw new Exception\RuntimeException('Bit array resulted in invalid size: ' . $bits->getSize());
}
}
