com.google.zxing.pdf417.decoder.ec

类 ErrorCorrection

java.lang.Object

com.google.zxing.pdf417.decoder.ec.ErrorCorrection

public final class ErrorCorrection
extends java.lang.Object

PDF417 error correction implementation.

This example is quite useful in understanding the algorithm.

作者:

Sean Owen

另请参阅:

ReedSolomonDecoder

构造器概要

构造器

构造器和说明
ErrorCorrection()

方法概要

限定符和类型	方法和说明
int	decode(int[] received, int numECCodewords, int[] erasures)

从类继承的方法 java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ErrorCorrection

public ErrorCorrection()

方法详细资料

decode

public int decode(int[] received,
                  int numECCodewords,
                  int[] erasures)
           throws ChecksumException

参数:

received - received codewords

numECCodewords - number of those codewords used for EC

erasures - location of erasures

返回:

number of errors

抛出:

ChecksumException - if errors cannot be corrected, maybe because of too many errors