encoder

package
v1.15.3 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Oct 31, 2024 License: MIT Imports: 4 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// Padding character
	HighLevelEncoder_PAD = 129

	// mode latch to C40 encodation mode
	HighLevelEncoder_LATCH_TO_C40 = 230

	// mode latch to Base 256 encodation mode
	HighLevelEncoder_LATCH_TO_BASE256 = 231

	// FNC1 Codeword
	HighLevelEncoder_FUNC1 = 232

	// Upper Shift
	HighLevelEncoder_UPPER_SHIFT = 235

	// 05 Macro
	HighLevelEncoder_MACRO_05 = 236

	// 06 Macro
	HighLevelEncoder_MACRO_06 = 237

	// mode latch to ANSI X.12 encodation mode
	HighLevelEncoder_LATCH_TO_ANSIX12 = 238

	// mode latch to Text encodation mode
	HighLevelEncoder_LATCH_TO_TEXT = 239

	// mode latch to EDIFACT encodation mode
	HighLevelEncoder_LATCH_TO_EDIFACT = 240

	// Unlatch from C40 encodation
	HighLevelEncoder_C40_UNLATCH = 254

	// Unlatch from X12 encodation
	HighLevelEncoder_X12_UNLATCH = 254

	// 05 Macro header
	HighLevelEncoder_MACRO_05_HEADER = "[)>\u001E05\u001D"

	// 06 Macro header
	HighLevelEncoder_MACRO_06_HEADER = "[)>\u001E06\u001D"

	// Macro trailer
	HighLevelEncoder_MACRO_TRAILER = "\u001E\u0004"

	HighLevelEncoder_ASCII_ENCODATION   = 0
	HighLevelEncoder_C40_ENCODATION     = 1
	HighLevelEncoder_TEXT_ENCODATION    = 2
	HighLevelEncoder_X12_ENCODATION     = 3
	HighLevelEncoder_EDIFACT_ENCODATION = 4
	HighLevelEncoder_BASE256_ENCODATION = 5
)
View Source 
const (
	SymbolShapeHint_FORCE_NONE = SymbolShapeHint(iota)
	SymbolShapeHint_FORCE_SQUARE
	SymbolShapeHint_FORCE_RECTANGLE
)

Variables

This section is empty.

Functions

func EncodeHighLevel 

func EncodeHighLevel(msg string, opts Options) ([]byte, error)

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

func ErrorCorrection_EncodeECC200 

func ErrorCorrection_EncodeECC200(codewords []byte, symbolInfo *SymbolInfo) ([]byte, error)

createECC200 Creates the ECC200 error correction for an encoded message.

@param codewords the codewords @param symbolInfo information about the symbol to be encoded @return the codewords with interleaved error correction.

func HighLevelEncoder_determineConsecutiveDigitCount 

func HighLevelEncoder_determineConsecutiveDigitCount(msg []byte, startpos int) int

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

@param msg the message @param startpos the start position within the message @return the requested character count

func HighLevelEncoder_isDigit 

func HighLevelEncoder_isDigit(ch byte) bool

func HighLevelEncoder_isExtendedASCII 

func HighLevelEncoder_isExtendedASCII(ch byte) bool

func HighLevelEncoder_lookAheadTest 

func HighLevelEncoder_lookAheadTest(msg []byte, startpos, currentMode int) int

Types

type ASCIIEncoder 

type ASCIIEncoder struct{}

type Base256Encoder 

type Base256Encoder struct{}

type ByteMatrix 

type ByteMatrix struct {
	// contains filtered or unexported fields
}

func NewByteMatrix 

func NewByteMatrix(width, height int) *ByteMatrix

func (*ByteMatrix) Clear 

func (matrix *ByteMatrix) Clear(value int8)

func (*ByteMatrix) Get 

func (matrix *ByteMatrix) Get(x, y int) int8

func (*ByteMatrix) GetArray 

func (matrix *ByteMatrix) GetArray() [][]int8

func (*ByteMatrix) GetHeight 

func (matrix *ByteMatrix) GetHeight() int

func (*ByteMatrix) GetWidth 

func (matrix *ByteMatrix) GetWidth() int

func (*ByteMatrix) Set 

func (matrix *ByteMatrix) Set(x, y int, value int8)

func (*ByteMatrix) SetBool 

func (matrix *ByteMatrix) SetBool(x, y int, value bool)

func (*ByteMatrix) String 

func (matrix *ByteMatrix) String() string

type C40Encoder 

type C40Encoder struct {
	// contains filtered or unexported fields
}

type DefaultPlacement 

type DefaultPlacement struct {
	// contains filtered or unexported fields
}

func NewDefaultPlacement 

func NewDefaultPlacement(codewords []byte, numcols, numrows int) *DefaultPlacement

func (*DefaultPlacement) GetBit 

func (dp *DefaultPlacement) GetBit(col, row int) bool

func (*DefaultPlacement) Place 

func (dp *DefaultPlacement) Place()

type Dimension 

type Dimension struct {
	Width  int
	Height int
}

func NewDimension 

func NewDimension(width, height int) *Dimension

func (*Dimension) GetHeight 

func (d *Dimension) GetHeight() int

func (*Dimension) GetWidth 

func (d *Dimension) GetWidth() int

type EdifactEncoder 

type EdifactEncoder struct{}

type Encoder 

type Encoder interface {
	// contains filtered or unexported methods
}

func NewASCIIEncoder 

func NewASCIIEncoder() Encoder

func NewBase256Encoder 

func NewBase256Encoder() Encoder

func NewC40Encoder 

func NewC40Encoder() Encoder

func NewEdifactEncoder 

func NewEdifactEncoder() Encoder

func NewTextEncoder 

func NewTextEncoder() Encoder

func NewX12Encoder 

func NewX12Encoder() Encoder

type EncoderContext 

type EncoderContext struct {
	// contains filtered or unexported fields
}

func NewEncoderContext 

func NewEncoderContext(msg string) (*EncoderContext, error)

func (*EncoderContext) GetCodewordCount 

func (ec *EncoderContext) GetCodewordCount() int

func (*EncoderContext) GetCodewords 

func (ec *EncoderContext) GetCodewords() []byte

func (*EncoderContext) GetCurrent 

func (ec *EncoderContext) GetCurrent() byte

func (*EncoderContext) GetCurrentChar 

func (ec *EncoderContext) GetCurrentChar() byte

func (*EncoderContext) GetMessage 

func (ec *EncoderContext) GetMessage() []byte

func (*EncoderContext) GetNewEncoding 

func (ec *EncoderContext) GetNewEncoding() int

func (*EncoderContext) GetRemainingCharacters 

func (ec *EncoderContext) GetRemainingCharacters() int

func (*EncoderContext) GetSymbolInfo 

func (ec *EncoderContext) GetSymbolInfo() *SymbolInfo

func (*EncoderContext) HasMoreCharacters 

func (ec *EncoderContext) HasMoreCharacters() bool

func (*EncoderContext) ResetEncoderSignal 

func (ec *EncoderContext) ResetEncoderSignal()

func (*EncoderContext) ResetSymbolInfo 

func (ec *EncoderContext) ResetSymbolInfo()

func (*EncoderContext) SetSizeConstraints 

func (ec *EncoderContext) SetSizeConstraints(minSize, maxSize *Dimension)

func (*EncoderContext) SetSkipAtEnd 

func (ec *EncoderContext) SetSkipAtEnd(count int)

func (*EncoderContext) SetSymbolShape 

func (ec *EncoderContext) SetSymbolShape(shape SymbolShapeHint)

func (*EncoderContext) SignalEncoderChange 

func (ec *EncoderContext) SignalEncoderChange(encoding int)

func (*EncoderContext) UpdateSymbolInfo 

func (ec *EncoderContext) UpdateSymbolInfo() error

func (*EncoderContext) UpdateSymbolInfoByLength 

func (ec *EncoderContext) UpdateSymbolInfoByLength(len int) error

func (*EncoderContext) WriteCodeword 

func (ec *EncoderContext) WriteCodeword(codeword byte)

func (*EncoderContext) WriteCodewords 

func (ec *EncoderContext) WriteCodewords(codewords []byte)

type Options 

type Options struct {
	MinSize *Dimension
	MaxSize *Dimension
	Shape   SymbolShapeHint
	Gs1     bool
}

type SymbolInfo 

type SymbolInfo struct {
	// contains filtered or unexported fields
}

func NewDataMatrixSymbolInfo144 

func NewDataMatrixSymbolInfo144() *SymbolInfo

func NewSymbolInfo 

func NewSymbolInfo(rectangular bool, dataCapacity, errorCodewords,
	matrixWidth, matrixHeight, dataRegions int) *SymbolInfo

func NewSymbolInfoRS 

func NewSymbolInfoRS(rectangular bool, dataCapacity, errorCodewords,
	matrixWidth, matrixHeight, dataRegions, rsBlockData, rsBlockError int) *SymbolInfo

func SymbolInfo_Lookup 

func SymbolInfo_Lookup(dataCodewords int, opts Options, fail bool) (*SymbolInfo, error)

func (*SymbolInfo) GetCodewordCount 

func (si *SymbolInfo) GetCodewordCount() int

func (*SymbolInfo) GetDataCapacity 

func (si *SymbolInfo) GetDataCapacity() int

func (*SymbolInfo) GetDataLengthForInterleavedBlock 

func (si *SymbolInfo) GetDataLengthForInterleavedBlock(index int) int

func (*SymbolInfo) GetErrorCodewords 

func (si *SymbolInfo) GetErrorCodewords() int

func (*SymbolInfo) GetErrorLengthForInterleavedBlock 

func (si *SymbolInfo) GetErrorLengthForInterleavedBlock(index int) int

func (*SymbolInfo) GetInterleavedBlockCount 

func (si *SymbolInfo) GetInterleavedBlockCount() int

func (*SymbolInfo) GetMatrixHeight 

func (si *SymbolInfo) GetMatrixHeight() int

func (*SymbolInfo) GetMatrixWidth 

func (si *SymbolInfo) GetMatrixWidth() int

func (*SymbolInfo) GetSymbolDataHeight 

func (si *SymbolInfo) GetSymbolDataHeight() int

func (*SymbolInfo) GetSymbolDataWidth 

func (si *SymbolInfo) GetSymbolDataWidth() int

func (*SymbolInfo) GetSymbolHeight 

func (si *SymbolInfo) GetSymbolHeight() int

func (*SymbolInfo) GetSymbolWidth 

func (si *SymbolInfo) GetSymbolWidth() int

func (*SymbolInfo) String 

func (si *SymbolInfo) String() string

type SymbolShapeHint 

type SymbolShapeHint int

SymbolShapeHint Enumeration for DataMatrix symbol shape hint. It can be used to force square or rectangular symbols.

type X12Encoder 

type X12Encoder struct{}

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.