Package com.google.zxing.qrcode.decoder

Class FormatInformation

java.lang.Object

com.google.zxing.qrcode.decoder.FormatInformation

final class FormatInformation
extends Object

Encapsulates a QR Code's format information, including the data mask used and error correction level.

Author:

Sean Owen See DataMask

See Also:

• ErrorCorrectionLevel

Method Summary

Modifier and Type	Method	Description
(package private) static FormatInformation	decodeFormatInformation(int maskedFormatInfo1, int maskedFormatInfo2)
boolean	equals(Object o)
(package private) byte	getDataMask()
(package private) ErrorCorrectionLevel	getErrorCorrectionLevel()
int	hashCode()
(package private) static int	numBitsDiffering(int a, int b)

Methods inherited from class java.lang.Object

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

Method Details

numBitsDiffering

static int numBitsDiffering(int a,
 int b)

decodeFormatInformation

static FormatInformation decodeFormatInformation(int maskedFormatInfo1,
 int maskedFormatInfo2)

Parameters:

maskedFormatInfo1 - format info indicator, with mask still applied

maskedFormatInfo2 - second copy of same info; both are checked at the same time to establish best match

Returns:

information about the format it specifies, or null if doesn't seem to match any known pattern

getErrorCorrectionLevel

ErrorCorrectionLevel getErrorCorrectionLevel()

getDataMask

byte getDataMask()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object