com.google.zxing.pdf417.decoder
Class Decoder

java.lang.Object
  com.google.zxing.pdf417.decoder.Decoder

public final class Decoder
extends java.lang.Object

The main class which implements PDF417 Code decoding -- as opposed to locating and extracting the PDF417 Code from an image.

Author:

SITA Lab (kevin.osullivan@sita.aero)

Constructor Summary

Decoder()

Method Summary

DecoderResult	decode(BitMatrix bits) Decodes a PDF417 Code represented as a BitMatrix.
DecoderResult	decode(boolean[][] image) Convenience method that can decode a PDF417 Code represented as a 2D array of booleans.

Methods inherited from class java.lang.Object

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

Constructor Detail

Decoder

public Decoder()

Method Detail

decode

public DecoderResult decode(boolean[][] image)
                     throws ReaderException

Convenience method that can decode a PDF417 Code represented as a 2D array of booleans. "true" is taken to mean a black module.

Parameters:

image - booleans representing white/black PDF417 modules

Returns:

text and bytes encoded within the PDF417 Code

Throws:

ReaderException - if the PDF417 Code cannot be decoded

decode

public DecoderResult decode(BitMatrix bits)
                     throws ReaderException

Decodes a PDF417 Code represented as a BitMatrix. A 1 or "true" is taken to mean a black module.

Parameters:

bits - booleans representing white/black PDF417 Code modules

Returns:

text and bytes encoded within the PDF417 Code

Throws:

ReaderException - if the PDF417 Code cannot be decoded