com.google.zxing.oned
Class Code39Reader

java.lang.Object
  extended by com.google.zxing.oned.AbstractOneDReader
      extended by com.google.zxing.oned.Code39Reader
All Implemented Interfaces:
OneDReader, Reader

public final class Code39Reader
extends AbstractOneDReader

Decodes Code 39 barcodes. This does not support "Full ASCII Code 39" yet.

Since:
BlackBerry API 6.0.0

Constructor Summary
Code39Reader()
          Creates a reader that assumes all encoded data is data, and does not treat the final character as a check digit.
Code39Reader(boolean usingCheckDigit)
          Creates a reader that can be configured to check the last character as a check digit.
Code39Reader(boolean usingCheckDigit, boolean extendedMode)
          Creates a reader that can be configured to check the last character as a check digit, or optionally attempt to decode "extended Code 39" sequences that are used to encode the full ASCII character set.
 
Method Summary
 Result decodeRow(int rowNumber, BitArray row, Hashtable hints)
          Attempts to decode a one-dimensional barcode format given a single row of an image.
 
Methods inherited from class com.google.zxing.oned.AbstractOneDReader
decode, decode
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 



Constructor Detail

Code39Reader

public Code39Reader()
Creates a reader that assumes all encoded data is data, and does not treat the final character as a check digit. It will not decoded "extended Code 39" sequences.

Since:
BlackBerry API 6.0.0

Code39Reader

public Code39Reader(boolean usingCheckDigit)
Creates a reader that can be configured to check the last character as a check digit. It will not decoded "extended Code 39" sequences.

Parameters:
usingCheckDigit - if true, treat the last data character as a check digit, not data, and verify that the checksum passes.
Since:
BlackBerry API 6.0.0

Code39Reader

public Code39Reader(boolean usingCheckDigit,
                    boolean extendedMode)
Creates a reader that can be configured to check the last character as a check digit, or optionally attempt to decode "extended Code 39" sequences that are used to encode the full ASCII character set.

Parameters:
usingCheckDigit - if true, treat the last data character as a check digit, not data, and verify that the checksum passes.
extendedMode - if true, will attempt to decode extended Code 39 sequences in the text.
Since:
BlackBerry API 6.0.0


Method Detail

decodeRow

public Result decodeRow(int rowNumber,
                        BitArray row,
                        Hashtable hints)
                 throws ReaderException
Description copied from interface: OneDReader

Attempts to decode a one-dimensional barcode format given a single row of an image.

Specified by:
decodeRow in interface OneDReader
Specified by:
decodeRow in class AbstractOneDReader
Parameters:
rowNumber - row number from top of the row
row - the black/white pixel data of the row
hints - decode hints
Returns:
Result containing encoded string and start/end of barcode
Throws:
ReaderException - if an error occurs or barcode cannot be found
Since:
BlackBerry API 6.0.0





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