Package com.itextpdf.text.pdf.qrcode
Class Version
java.lang.Object
com.itextpdf.text.pdf.qrcode.Version
See ISO 18004:2006 Annex D
- Since:
- 5.0.2
-
Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic final class
Encapsualtes the parameters for one error-correction block in one symbol version.static final class
Encapsulates a set of error-correction blocks in one symbol version. -
Field Summary
FieldsModifier and TypeFieldDescriptionprivate final int[]
private final Version.ECBlocks[]
private final int
private static final int[]
See ISO 18004:2006 Annex D.private final int
private static final Version[]
-
Constructor Summary
ConstructorsModifierConstructorDescriptionprivate
Version
(int versionNumber, int[] alignmentPatternCenters, Version.ECBlocks ecBlocks1, Version.ECBlocks ecBlocks2, Version.ECBlocks ecBlocks3, Version.ECBlocks ecBlocks4) -
Method Summary
Modifier and TypeMethodDescription(package private) BitMatrix
See ISO 18004:2006 Annex Eprivate static Version[]
See ISO 18004:2006 6.5.1 Table 9(package private) static Version
decodeVersionInformation
(int versionBits) int[]
int
getECBlocksForLevel
(ErrorCorrectionLevel ecLevel) static Version
getProvisionalVersionForDimension
(int dimension) Deduces version information purely from QR Code dimensions.int
static Version
getVersionForNumber
(int versionNumber) int
toString()
-
Field Details
-
VERSION_DECODE_INFO
private static final int[] VERSION_DECODE_INFOSee ISO 18004:2006 Annex D. Element i represents the raw version bits that specify version i + 7 -
VERSIONS
-
versionNumber
private final int versionNumber -
alignmentPatternCenters
private final int[] alignmentPatternCenters -
ecBlocks
-
totalCodewords
private final int totalCodewords
-
-
Constructor Details
-
Version
private Version(int versionNumber, int[] alignmentPatternCenters, Version.ECBlocks ecBlocks1, Version.ECBlocks ecBlocks2, Version.ECBlocks ecBlocks3, Version.ECBlocks ecBlocks4)
-
-
Method Details
-
getVersionNumber
public int getVersionNumber() -
getAlignmentPatternCenters
public int[] getAlignmentPatternCenters() -
getTotalCodewords
public int getTotalCodewords() -
getDimensionForVersion
public int getDimensionForVersion() -
getECBlocksForLevel
-
getProvisionalVersionForDimension
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
-
decodeVersionInformation
-
buildFunctionPattern
BitMatrix buildFunctionPattern()See ISO 18004:2006 Annex E -
toString
-
buildVersions
See ISO 18004:2006 6.5.1 Table 9
-