org.krysalis.barcode4j.impl.datamatrix

Class DataMatrixHighLevelEncoder

java.lang.Object

org.krysalis.barcode4j.impl.datamatrix.DataMatrixHighLevelEncoder

All Implemented Interfaces:

DataMatrixConstants

public class DataMatrixHighLevelEncoder
extends Object
implements DataMatrixConstants

DataMatrix ECC 200 data encoder following the algorithm described in ISO/IEC 16022:200(E) in annex S.

Version:

$Id: DataMatrixHighLevelEncoder.java,v 1.18 2011-10-15 13:37:18 jmaerki Exp $

Field Summary

Fields inherited from interface org.krysalis.barcode4j.impl.datamatrix.DataMatrixConstants

C40_UNLATCH, ECI, FNC1, LATCH_TO_ANSIX12, LATCH_TO_BASE256, LATCH_TO_C40, LATCH_TO_EDIFACT, LATCH_TO_TEXT, MACRO_05, MACRO_05_HEADER, MACRO_06, MACRO_06_HEADER, MACRO_TRAILER, PAD, READER_PROGRAMMING, STRUCTURED_APPEND, UPPER_SHIFT, X12_UNLATCH

Constructor Summary

Constructors

Constructor and Description
DataMatrixHighLevelEncoder()

Method Summary

Modifier and Type	Method and Description
static int	determineConsecutiveDigitCount(String msg, int startpos) Determines the number of consecutive characters that are encodable using numeric compaction.
static String	encodeHighLevel(String msg) Performs message encoding of a DataMatrix message using the algorithm described in annex P of ISO/IEC 16022:2000(E).
static String	encodeHighLevel(String msg, SymbolShapeHint shape, Dimension minSize, Dimension maxSize) Performs message encoding of a DataMatrix message using the algorithm described in annex P of ISO/IEC 16022:2000(E).
static byte[]	getBytesForMessage(String msg) Converts the message to a byte array using the default encoding (cp437) as defined by the specification

Methods inherited from class java.lang.Object

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

Constructor Detail

DataMatrixHighLevelEncoder

public DataMatrixHighLevelEncoder()

Method Detail

getBytesForMessage

public static byte[] getBytesForMessage(String msg)

Converts the message to a byte array using the default encoding (cp437) as defined by the specification

Parameters:

msg - the message

Returns:

the byte array of the message

encodeHighLevel

public static String encodeHighLevel(String msg)
                              throws IOException

Performs message encoding of a DataMatrix message using the algorithm described in annex P of ISO/IEC 16022:2000(E).

Parameters:

msg - the message

Returns:

the encoded message (the char values range from 0 to 255)

Throws:

IOException - if an I/O error occurs while fetching external data

encodeHighLevel

public static String encodeHighLevel(String msg,
                                     SymbolShapeHint shape,
                                     Dimension minSize,
                                     Dimension maxSize)
                              throws IOException

Performs message encoding of a DataMatrix message using the algorithm described in annex P of ISO/IEC 16022:2000(E).

Parameters:

msg - the message

shape - requested shape. May be SymbolShapeHint.FORCE_NONE, SymbolShapeHint.FORCE_SQUARE or SymbolShapeHint.FORCE_RECTANGLE.

minSize - the minimum symbol size constraint or null for no constraint

maxSize - the maximum symbol size constraint or null for no constraint

Returns:

the encoded message (the char values range from 0 to 255)

Throws:

IOException - if an I/O error occurs while fetching external data

determineConsecutiveDigitCount

public static int determineConsecutiveDigitCount(String msg,
                                                 int startpos)

Determines the number of consecutive characters that are encodable using numeric compaction.

Parameters:

msg - the message

startpos - the start position within the message

Returns:

the requested character count