Package com.google.zxing.oned
Class EAN13Reader
java.lang.Object
com.google.zxing.oned.OneDReader
com.google.zxing.oned.UPCEANReader
com.google.zxing.oned.EAN13Reader
- All Implemented Interfaces:
Reader
Implements decoding of the EAN-13 format.
- Author:
- dswitkin@google.com (Daniel Switkin), Sean Owen, alasdair@google.com (Alasdair Mackintosh)
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected int
decodeMiddle
(BitArray row, int[] startRange, 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
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Constructor Details
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EAN13Reader
public EAN13Reader()
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Method Details
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decodeMiddle
protected int decodeMiddle(BitArray row, int[] startRange, 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 classUPCEANReader
- Parameters:
row
- row of black/white values to searchstartRange
- start/end offset of start guard patternresultString
-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
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