Package com.google.zxing.maxicode
Class MaxiCodeReader
java.lang.Object
com.google.zxing.maxicode.MaxiCodeReader
- All Implemented Interfaces:
Reader
This implementation can detect and decode a MaxiCode in an image.
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate final Decoder
private static final int
private static final int
private static final ResultPoint[]
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptiondecode
(BinaryBitmap image) Locates and decodes a MaxiCode in an image.decode
(BinaryBitmap image, Map<DecodeHintType, ?> hints) Locates and decodes a barcode in some format within an image.private static BitMatrix
extractPureBits
(BitMatrix image) This method detects a code in a "pure" image -- that is, pure monochrome image which contains only an unrotated, unskewed, image of a code, with some white border around it.void
reset()
Resets any internal state the implementation has after a decode, to prepare it for reuse.
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Field Details
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NO_POINTS
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MATRIX_WIDTH
private static final int MATRIX_WIDTH- See Also:
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MATRIX_HEIGHT
private static final int MATRIX_HEIGHT- See Also:
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decoder
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Constructor Details
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MaxiCodeReader
public MaxiCodeReader()
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Method Details
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decode
public Result decode(BinaryBitmap image) throws NotFoundException, ChecksumException, FormatException Locates and decodes a MaxiCode in an image.- Specified by:
decode
in interfaceReader
- Parameters:
image
- image of barcode to decode- Returns:
- a String representing the content encoded by the MaxiCode
- Throws:
NotFoundException
- if a MaxiCode cannot be foundFormatException
- if a MaxiCode cannot be decodedChecksumException
- if error correction fails
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decode
public Result decode(BinaryBitmap image, Map<DecodeHintType, ?> hints) throws NotFoundException, ChecksumException, FormatExceptionDescription copied from interface:Reader
Locates and decodes a barcode in some format within an image. This method also accepts hints, each possibly associated to some data, which may help the implementation decode.- Specified by:
decode
in interfaceReader
- Parameters:
image
- image of barcode to decodehints
- passed as aMap
fromDecodeHintType
to arbitrary data. The meaning of the data depends upon the hint type. The implementation may or may not do anything with these hints.- Returns:
- String which the barcode encodes
- Throws:
NotFoundException
- if no potential barcode is foundChecksumException
- if a potential barcode is found but does not pass its checksumFormatException
- if a potential barcode is found but format is invalid
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reset
public void reset()Description copied from interface:Reader
Resets any internal state the implementation has after a decode, to prepare it for reuse. -
extractPureBits
This method detects a code in a "pure" image -- that is, pure monochrome image which contains only an unrotated, unskewed, image of a code, with some white border around it. This is a specialized method that works exceptionally fast in this special case.- Throws:
NotFoundException
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