com.google.zxing.oned
Class EAN13Reader

java.lang.Object
  extended by com.google.zxing.oned.OneDReader
      extended by com.google.zxing.oned.UPCEANReader
          extended by com.google.zxing.oned.EAN13Reader
All Implemented Interfaces:
Reader

public final class EAN13Reader
extends UPCEANReader

Implements decoding of the EAN-13 format.

Author:
dswitkin@google.com (Daniel Switkin), Sean Owen, alasdair@google.com (Alasdair Mackintosh)

Field Summary
 
Fields inherited from class com.google.zxing.oned.OneDReader
INTEGER_MATH_SHIFT, PATTERN_MATCH_RESULT_SCALE_FACTOR
 
Constructor Summary
EAN13Reader()
           
 
Method Summary
protected  int decodeMiddle(BitArray row, int[] startRange, java.lang.StringBuilder resultString)
          Subclasses override this to decode the portion of a barcode between the start and end guard patterns.
 
Methods inherited from class com.google.zxing.oned.UPCEANReader
decodeRow, decodeRow
 
Methods inherited from class com.google.zxing.oned.OneDReader
decode, decode, patternMatchVariance, recordPattern, recordPatternInReverse, reset
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

EAN13Reader

public EAN13Reader()
Method Detail

decodeMiddle

protected int decodeMiddle(BitArray row,
                           int[] startRange,
                           java.lang.StringBuilder resultString)
                    throws NotFoundException
Description copied from class: UPCEANReader
Subclasses override this to decode the portion of a barcode between the start and end guard patterns.

Specified by:
decodeMiddle in class UPCEANReader
Parameters:
row - row of black/white values to search
startRange - start/end offset of start guard pattern
resultString - StringBuilder to append decoded chars to
Returns:
horizontal offset of first pixel after the "middle" that was decoded
Throws:
NotFoundException - if decoding could not complete successfully