class-Com.Tecnick.Barcode.Type.Square.Datamatrix.ErrorCorrection

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Class ErrorCorrection

Com\Tecnick\Barcode\Type\Square\Datamatrix\ErrorCorrection

Error correction methods and other utilities for Datamatrix Barcode type class

Namespace: Com\Tecnick\Barcode\Type\Square\Datamatrix
Package: Barcode
Category: Library
Copyright: 2010-2016 Nicola Asuni - Tecnick.com LTD
License: GNU-LGPL v3 (see LICENSE.TXT)
Author: Nicola Asuni info@tecnick.com
Since: 2015-02-21
Link: https://github.com/tecnickcom/tc-lib-barcode
Located at Type/Square/Datamatrix/ErrorCorrection.php
Methods summary
protected integer
# getGFProduct( integer $numa, integer $numb, array $log, array $alog, array $ngf )

Product of two numbers in a Power-of-Two Galois Field

public array
# getErrorCorrection( array $wdc, integer $nbk, integer $ncw, integer $ncc, integer $ngf = 256, integer $vpp = 301 )

Add error correction codewords to data codewords array (ANNEX E).

protected
# genLogs( array & $log, arrya & $alog, integer $ngf, integer $vpp )

Generate the log ($log) and antilog ($alog) tables

 

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