102 lines
2.2 KiB
PHP
102 lines
2.2 KiB
PHP
<?php
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/**
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* BaconQrCode
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*
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* @link http://github.com/Bacon/BaconQrCode For the canonical source repository
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* @copyright 2013 Ben 'DASPRiD' Scholzen
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* @license http://opensource.org/licenses/BSD-2-Clause Simplified BSD License
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*/
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namespace BaconQrCode\Common;
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use SplFixedArray;
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/**
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* Encapsulates a set of error-correction blocks in one symbol version. Most
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* versions will use blocks of differing sizes within one version, so, this
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* encapsulates the parameters for each set of blocks. It also holds the number
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* of error-correction codewords per block since it will be the same across all
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* blocks within one version.
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*/
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class EcBlocks
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{
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/**
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* Number of EC codewords per block.
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*
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* @var integer
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*/
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protected $ecCodewordsPerBlock;
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/**
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* List of EC blocks.
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*
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* @var SplFixedArray
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*/
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protected $ecBlocks;
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/**
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* Creates a new EC blocks instance.
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*
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* @param integer $ecCodewordsPerBlock
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* @param EcBlock $ecb1
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* @param EcBlock|null $ecb2
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*/
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public function __construct($ecCodewordsPerBlock, EcBlock $ecb1, EcBlock $ecb2 = null)
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{
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$this->ecCodewordsPerBlock = $ecCodewordsPerBlock;
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$this->ecBlocks = new SplFixedArray($ecb2 === null ? 1 : 2);
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$this->ecBlocks[0] = $ecb1;
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if ($ecb2 !== null) {
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$this->ecBlocks[1] = $ecb2;
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}
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}
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/**
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* Gets the number of EC codewords per block.
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*
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* @return integer
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*/
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public function getEcCodewordsPerBlock()
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{
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return $this->ecCodewordsPerBlock;
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}
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/**
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* Gets the total number of EC block appearances.
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*
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* @return integer
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*/
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public function getNumBlocks()
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{
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$total = 0;
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foreach ($this->ecBlocks as $ecBlock) {
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$total += $ecBlock->getCount();
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}
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return $total;
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}
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/**
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* Gets the total count of EC codewords.
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*
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* @return integer
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*/
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public function getTotalEcCodewords()
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{
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return $this->ecCodewordsPerBlock * $this->getNumBlocks();
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}
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/**
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* Gets the EC blocks included in this collection.
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*
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* @return SplFixedArray
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*/
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public function getEcBlocks()
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{
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return $this->ecBlocks;
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}
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}
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