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<?php /** * BaconQrCode * * @link http://github.com/Bacon/BaconQrCode For the canonical source repository * @copyright 2013 Ben 'DASPRiD' Scholzen * @license http://opensource.org/licenses/BSD-2-Clause Simplified BSD License */ namespace BaconQrCode\Common; use SplFixedArray; /** * 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. */ class EcBlocks { /** * Number of EC codewords per block. * * @var integer */ protected $ecCodewordsPerBlock; /** * List of EC blocks. * * @var SplFixedArray */ protected $ecBlocks; /** * Creates a new EC blocks instance. * * @param integer $ecCodewordsPerBlock * @param EcBlock $ecb1 * @param EcBlock|null $ecb2 */ public function __construct($ecCodewordsPerBlock, EcBlock $ecb1, EcBlock $ecb2 = null) { $this->ecCodewordsPerBlock = $ecCodewordsPerBlock; $this->ecBlocks = new SplFixedArray($ecb2 === null ? 1 : 2); $this->ecBlocks[0] = $ecb1; if ($ecb2 !== null) { $this->ecBlocks[1] = $ecb2; } } /** * Gets the number of EC codewords per block. * * @return integer */ public function getEcCodewordsPerBlock() { return $this->ecCodewordsPerBlock; } /** * Gets the total number of EC block appearances. * * @return integer */ public function getNumBlocks() { $total = 0; foreach ($this->ecBlocks as $ecBlock) { $total += $ecBlock->getCount(); } return $total; } /** * Gets the total count of EC codewords. * * @return integer */ public function getTotalEcCodewords() { return $this->ecCodewordsPerBlock * $this->getNumBlocks(); } /** * Gets the EC blocks included in this collection. * * @return SplFixedArray */ public function getEcBlocks() { return $this->ecBlocks; } }