public final class Decoder extends Object
The main class which implements QR Code decoding -- as opposed to locating and extracting the QR Code from an image.
| Constructor and Description |
|---|
Decoder() |
| Modifier and Type | Method and Description |
|---|---|
DecoderResult |
decode(BitMatrix bits) |
DecoderResult |
decode(BitMatrix bits,
Map<DecodeHintType,?> hints)
Decodes a QR Code represented as a
BitMatrix. |
DecoderResult |
decode(boolean[][] image) |
DecoderResult |
decode(boolean[][] image,
Map<DecodeHintType,?> hints)
Convenience method that can decode a QR Code represented as a 2D array of booleans.
|
public DecoderResult decode(boolean[][] image) throws ChecksumException, FormatException
ChecksumExceptionFormatExceptionpublic DecoderResult decode(boolean[][] image, Map<DecodeHintType,?> hints) throws ChecksumException, FormatException
Convenience method that can decode a QR Code represented as a 2D array of booleans. "true" is taken to mean a black module.
image - booleans representing white/black QR Code moduleshints - decoding hints that should be used to influence decodingFormatException - if the QR Code cannot be decodedChecksumException - if error correction failspublic DecoderResult decode(BitMatrix bits) throws ChecksumException, FormatException
ChecksumExceptionFormatExceptionpublic DecoderResult decode(BitMatrix bits, Map<DecodeHintType,?> hints) throws FormatException, ChecksumException
Decodes a QR Code represented as a BitMatrix. A 1 or "true" is taken to mean a black module.
bits - booleans representing white/black QR Code moduleshints - decoding hints that should be used to influence decodingFormatException - if the QR Code cannot be decodedChecksumException - if error correction failsCopyright © 2007–2019. All rights reserved.