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Class Encoder

Generates Aztec 2D barcodes.

author

Rustam Abdullaev

Hierarchy

  • Encoder

Index

Constructors

Properties

Methods

Constructors

Private constructor

Properties

Static DEFAULT_AZTEC_LAYERS

DEFAULT_AZTEC_LAYERS: int = 0

Static DEFAULT_EC_PERCENT

DEFAULT_EC_PERCENT: int = 33

Static Private MAX_NB_BITS

MAX_NB_BITS: int = 32

Static Private MAX_NB_BITS_COMPACT

MAX_NB_BITS_COMPACT: int = 4

Static Private WORD_SIZE

WORD_SIZE: Int32Array = Int32Array.from([4, 6, 6, 8, 8, 8, 8, 8, 8, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10,12, 12, 12, 12, 12, 12, 12, 12, 12, 12])

Methods

Static Private bitsToWords

  • bitsToWords(stuffedBits: BitArray, wordSize: int, totalWords: int): Int32Array

Static Private drawBullsEye

  • drawBullsEye(matrix: BitMatrix, center: int, size: int): void

Static Private drawModeMessage

  • drawModeMessage(matrix: BitMatrix, compact: boolean, matrixSize: int, modeMessage: BitArray): void

Static encode

  • encode(data: Uint8Array, minECCPercent: int, userSpecifiedLayers: int): AztecCode

  • Encodes the given binary content as an Aztec symbol

    Parameters

    • data: Uint8Array

      input data string

    • minECCPercent: int

      minimal percentage of error check words (According to ISO/IEC 24778:2008, a minimum of 23% + 3 words is recommended)

    • userSpecifiedLayers: int

      if non-zero, a user-specified value for the number of layers

    Returns AztecCode

    Aztec symbol matrix with metadata

Static encodeBytes

Static Private generateCheckWords

  • generateCheckWords(bitArray: BitArray, totalBits: int, wordSize: int): BitArray

Static generateModeMessage

  • generateModeMessage(compact: boolean, layers: int, messageSizeInWords: int): BitArray

Static Private getGF

Static stuffBits

Static Private totalBitsInLayer

  • totalBitsInLayer(layers: int, compact: boolean): int

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