Package com.google.zxing.datamatrix.encoder

Class HighLevelEncoder

java.lang.Object

com.google.zxing.datamatrix.encoder.HighLevelEncoder

public final class HighLevelEncoder
extends java.lang.Object

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

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static int	ASCII_ENCODATION
(package private) static int	BASE256_ENCODATION
(package private) static int	C40_ENCODATION
(package private) static char	C40_UNLATCH	Unlatch from C40 encodation
(package private) static int	EDIFACT_ENCODATION
(package private) static char	LATCH_TO_ANSIX12	mode latch to ANSI X.12 encodation mode
(package private) static char	LATCH_TO_BASE256	mode latch to Base 256 encodation mode
(package private) static char	LATCH_TO_C40	mode latch to C40 encodation mode
(package private) static char	LATCH_TO_EDIFACT	mode latch to EDIFACT encodation mode
(package private) static char	LATCH_TO_TEXT	mode latch to Text encodation mode
private static char	MACRO_05	05 Macro
(package private) static java.lang.String	MACRO_05_HEADER	05 Macro header
private static char	MACRO_06	06 Macro
(package private) static java.lang.String	MACRO_06_HEADER	06 Macro header
(package private) static java.lang.String	MACRO_TRAILER	Macro trailer
private static char	PAD	Padding character
(package private) static int	TEXT_ENCODATION
(package private) static char	UPPER_SHIFT	Upper Shift
(package private) static int	X12_ENCODATION
(package private) static char	X12_UNLATCH	Unlatch from X12 encodation

Constructor Summary

Constructors

Modifier	Constructor	Description
private	HighLevelEncoder()

Method Summary

Modifier and Type	Method	Description
static int	determineConsecutiveDigitCount(java.lang.CharSequence msg, int startpos)	Determines the number of consecutive characters that are encodable using numeric compaction.
static java.lang.String	encodeHighLevel(java.lang.String msg)	Performs message encoding of a DataMatrix message using the algorithm described in annex P of ISO/IEC 16022:2000(E).
static java.lang.String	encodeHighLevel(java.lang.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 java.lang.String	encodeHighLevel(java.lang.String msg, SymbolShapeHint shape, Dimension minSize, Dimension maxSize, boolean forceC40)	Performs message encoding of a DataMatrix message using the algorithm described in annex P of ISO/IEC 16022:2000(E).
private static int	findMinimums(float[] charCounts, int[] intCharCounts, int min, byte[] mins)
private static int	getMinimumCount(byte[] mins)
(package private) static void	illegalCharacter(char c)
(package private) static boolean	isDigit(char ch)
(package private) static boolean	isExtendedASCII(char ch)
(package private) static boolean	isNativeC40(char ch)
(package private) static boolean	isNativeEDIFACT(char ch)
(package private) static boolean	isNativeText(char ch)
(package private) static boolean	isNativeX12(char ch)
private static boolean	isSpecialB256(char ch)
private static boolean	isX12TermSep(char ch)
(package private) static int	lookAheadTest(java.lang.CharSequence msg, int startpos, int currentMode)
(package private) static int	lookAheadTestIntern(java.lang.CharSequence msg, int startpos, int currentMode)
private static int	min(int f1, int f2, int f3, int f4)
private static int	min(int f1, int f2, int f3, int f4, int f5)
private static char	randomize253State(int codewordPosition)

Methods inherited from class java.lang.Object

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

Field Detail

PAD

private static final char PAD

Padding character

See Also:

Constant Field Values

LATCH_TO_C40

static final char LATCH_TO_C40

mode latch to C40 encodation mode

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Constant Field Values

LATCH_TO_BASE256

static final char LATCH_TO_BASE256

mode latch to Base 256 encodation mode

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Constant Field Values

UPPER_SHIFT

static final char UPPER_SHIFT

Upper Shift

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Constant Field Values

MACRO_05

private static final char MACRO_05

05 Macro

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Constant Field Values

MACRO_06

private static final char MACRO_06

06 Macro

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Constant Field Values

LATCH_TO_ANSIX12

static final char LATCH_TO_ANSIX12

mode latch to ANSI X.12 encodation mode

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Constant Field Values

LATCH_TO_TEXT

static final char LATCH_TO_TEXT

mode latch to Text encodation mode

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Constant Field Values

LATCH_TO_EDIFACT

static final char LATCH_TO_EDIFACT

mode latch to EDIFACT encodation mode

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Constant Field Values

C40_UNLATCH

static final char C40_UNLATCH

Unlatch from C40 encodation

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Constant Field Values

X12_UNLATCH

static final char X12_UNLATCH

Unlatch from X12 encodation

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Constant Field Values

MACRO_05_HEADER

static final java.lang.String MACRO_05_HEADER

05 Macro header

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Constant Field Values

MACRO_06_HEADER

static final java.lang.String MACRO_06_HEADER

06 Macro header

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Constant Field Values

MACRO_TRAILER

static final java.lang.String MACRO_TRAILER

Macro trailer

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Constant Field Values

ASCII_ENCODATION

static final int ASCII_ENCODATION

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Constant Field Values

C40_ENCODATION

static final int C40_ENCODATION

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Constant Field Values

TEXT_ENCODATION

static final int TEXT_ENCODATION

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Constant Field Values

X12_ENCODATION

static final int X12_ENCODATION

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Constant Field Values

EDIFACT_ENCODATION

static final int EDIFACT_ENCODATION

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Constant Field Values

BASE256_ENCODATION

static final int BASE256_ENCODATION

See Also:

Constant Field Values

Constructor Detail

HighLevelEncoder

private HighLevelEncoder()

Method Detail

randomize253State

private static char randomize253State(int codewordPosition)

encodeHighLevel

public static java.lang.String encodeHighLevel(java.lang.String msg)

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)

encodeHighLevel

public static java.lang.String encodeHighLevel(java.lang.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).

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)

encodeHighLevel

public static java.lang.String encodeHighLevel(java.lang.String msg,
                                               SymbolShapeHint shape,
                                               Dimension minSize,
                                               Dimension maxSize,
                                               boolean forceC40)

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

forceC40 - enforce C40 encoding

Returns:

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

lookAheadTest

static int lookAheadTest(java.lang.CharSequence msg,
                         int startpos,
                         int currentMode)

lookAheadTestIntern

static int lookAheadTestIntern(java.lang.CharSequence msg,
                               int startpos,
                               int currentMode)

min

private static int min(int f1,
                       int f2,
                       int f3,
                       int f4,
                       int f5)

min

private static int min(int f1,
                       int f2,
                       int f3,
                       int f4)

findMinimums

private static int findMinimums(float[] charCounts,
                                int[] intCharCounts,
                                int min,
                                byte[] mins)

getMinimumCount

private static int getMinimumCount(byte[] mins)

isDigit

static boolean isDigit(char ch)

isExtendedASCII

static boolean isExtendedASCII(char ch)

isNativeC40

static boolean isNativeC40(char ch)

isNativeText

static boolean isNativeText(char ch)

isNativeX12

static boolean isNativeX12(char ch)

isX12TermSep

private static boolean isX12TermSep(char ch)

isNativeEDIFACT

static boolean isNativeEDIFACT(char ch)

isSpecialB256

private static boolean isSpecialB256(char ch)

determineConsecutiveDigitCount

public static int determineConsecutiveDigitCount(java.lang.CharSequence 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

illegalCharacter

static void illegalCharacter(char c)