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<?php
declare(strict_types = 1);
namespace BaconQrCode\Common;
/**
* Encapsulates a set of error-correction blocks in one symbol version.
*
* Most versions will use blocks of differing sizes within one version, so, this encapsulates the parameters for each
* set of blocks. It also holds the number of error-correction codewords per block since it will be the same across all
* blocks within one version.
*/
final class EcBlocks
{
/**
* Number of EC codewords per block.
*
* @var int
*/
private $ecCodewordsPerBlock;
/**
* List of EC blocks.
*
* @var EcBlock[]
*/
private $ecBlocks;
public function __construct(int $ecCodewordsPerBlock, EcBlock ...$ecBlocks)
{
$this->ecCodewordsPerBlock = $ecCodewordsPerBlock;
$this->ecBlocks = $ecBlocks;
}
/**
* Returns the number of EC codewords per block.
*/
public function getEcCodewordsPerBlock() : int
{
return $this->ecCodewordsPerBlock;
}
/**
* Returns the total number of EC block appearances.
*/
public function getNumBlocks() : int
{
$total = 0;
foreach ($this->ecBlocks as $ecBlock) {
$total += $ecBlock->getCount();
}
return $total;
}
/**
* Returns the total count of EC codewords.
*/
public function getTotalEcCodewords() : int
{
return $this->ecCodewordsPerBlock * $this->getNumBlocks();
}
/**
* Returns the EC blocks included in this collection.
*
* @return EcBlock[]
*/
public function getEcBlocks() : array
{
return $this->ecBlocks;
}
}
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