Package com.google.zxing.qrcode.encoder

Class MatrixUtil

java.lang.Object

com.google.zxing.qrcode.encoder.MatrixUtil

final class MatrixUtil
extends Object

Author:

satorux@google.com (Satoru Takabayashi) - creator, dswitkin@google.com (Daniel Switkin) - ported from C++

Method Summary

Modifier and Type	Method	Description
(package private) static void	buildMatrix(BitArray dataBits, ErrorCorrectionLevel ecLevel, Version version, int maskPattern, ByteMatrix matrix)
(package private) static int	calculateBCHCode(int value, int poly)
(package private) static void	clearMatrix(ByteMatrix matrix)
(package private) static void	embedBasicPatterns(Version version, ByteMatrix matrix)
(package private) static void	embedDataBits(BitArray dataBits, int maskPattern, ByteMatrix matrix)
(package private) static void	embedTypeInfo(ErrorCorrectionLevel ecLevel, int maskPattern, ByteMatrix matrix)
(package private) static int	findMSBSet(int value)
(package private) static void	makeTypeInfoBits(ErrorCorrectionLevel ecLevel, int maskPattern, BitArray bits)
(package private) static void	makeVersionInfoBits(Version version, BitArray bits)
(package private) static void	maybeEmbedVersionInfo(Version version, ByteMatrix matrix)

Methods inherited from class java.lang.Object

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

Method Detail

clearMatrix

static void clearMatrix(ByteMatrix matrix)

buildMatrix

static void buildMatrix(BitArray dataBits,
                        ErrorCorrectionLevel ecLevel,
                        Version version,
                        int maskPattern,
                        ByteMatrix matrix)
                 throws WriterException

Throws:

WriterException

embedBasicPatterns

static void embedBasicPatterns(Version version,
                               ByteMatrix matrix)
                        throws WriterException

Throws:

WriterException

embedTypeInfo

static void embedTypeInfo(ErrorCorrectionLevel ecLevel,
                          int maskPattern,
                          ByteMatrix matrix)
                   throws WriterException

Throws:

WriterException

maybeEmbedVersionInfo

static void maybeEmbedVersionInfo(Version version,
                                  ByteMatrix matrix)
                           throws WriterException

Throws:

WriterException

embedDataBits

static void embedDataBits(BitArray dataBits,
                          int maskPattern,
                          ByteMatrix matrix)
                   throws WriterException

Throws:

WriterException

findMSBSet

static int findMSBSet(int value)

calculateBCHCode

static int calculateBCHCode(int value,
                            int poly)

makeTypeInfoBits

static void makeTypeInfoBits(ErrorCorrectionLevel ecLevel,
                             int maskPattern,
                             BitArray bits)
                      throws WriterException

Throws:

WriterException

makeVersionInfoBits

static void makeVersionInfoBits(Version version,
                                BitArray bits)
                         throws WriterException

Throws:

WriterException