Package com.google.zxing.qrcode.decoder

Class Version

java.lang.Object

com.google.zxing.qrcode.decoder.Version

public final class Version
extends Object

See ISO 18004:2006 Annex D

Author:

Sean Owen

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Version.ECB	Encapsulates the parameters for one error-correction block in one symbol version.
static final class	Version.ECBlocks	Encapsulates a set of error-correction blocks in one symbol version.

Method Summary

Modifier and Type	Method	Description
(package private) BitMatrix	buildFunctionPattern()	See ISO 18004:2006 Annex E
(package private) static Version	decodeVersionInformation(int versionBits)
int[]	getAlignmentPatternCenters()
int	getDimensionForVersion()
Version.ECBlocks	getECBlocksForLevel(ErrorCorrectionLevel ecLevel)
static Version	getProvisionalVersionForDimension(int dimension)	Deduces version information purely from QR Code dimensions.
int	getTotalCodewords()
static Version	getVersionForNumber(int versionNumber)
int	getVersionNumber()
String	toString()

Methods inherited from class java.lang.Object

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

Method Details

getVersionNumber

public int getVersionNumber()

getAlignmentPatternCenters

public int[] getAlignmentPatternCenters()

getTotalCodewords

public int getTotalCodewords()

getDimensionForVersion

public int getDimensionForVersion()

getECBlocksForLevel

public Version.ECBlocks getECBlocksForLevel(ErrorCorrectionLevel ecLevel)

getProvisionalVersionForDimension

public static Version getProvisionalVersionForDimension(int dimension)
                                                 throws FormatException

Deduces version information purely from QR Code dimensions.

Parameters:

dimension - dimension in modules

Returns:

Version for a QR Code of that dimension

Throws:

FormatException - if dimension is not 1 mod 4

getVersionForNumber

public static Version getVersionForNumber(int versionNumber)

decodeVersionInformation

static Version decodeVersionInformation(int versionBits)

buildFunctionPattern

BitMatrix buildFunctionPattern()

See ISO 18004:2006 Annex E

toString

public String toString()

Overrides:

toString in class Object