Class PDF417Reader

This implementation can detect and decode PDF417 codes in an image.

author: Guenther Grau

Hierarchy

PDF417Reader

Implements

Index

Methods

Methods

decode

decode(image: BinaryBitmap, hints?: Map<DecodeHintType, any>): Result

- Defined in src/core/pdf417/PDF417Reader.ts:77
Locates and decodes a PDF417 code in an image.

throws

NotFoundException if a PDF417 code cannot be found,

throws

FormatException if a PDF417 cannot be decoded

throws

ChecksumException

Parameters
- image: BinaryBitmap
- Default value hints: Map<DecodeHintType, any> = null
Returns Result

a String representing the content encoded by the PDF417 code

decodeMultiple

decodeMultiple(image: BinaryBitmap, hints?: Map<DecodeHintType, any>): Result[]

Implementation of MultipleBarcodeReader.decodeMultiple
- Defined in src/core/pdf417/PDF417Reader.ts:92
throws

NotFoundException

Parameters
- image: BinaryBitmap
- Default value hints: Map<DecodeHintType, any> = null
Returns Result[]

reset

reset(): void

Implementation of Reader.reset
- Defined in src/core/pdf417/PDF417Reader.ts:162
Returns void

Static Private decode

decode(image: BinaryBitmap, hints: Map<DecodeHintType, any>, multiple: boolean): Result[]

- Defined in src/core/pdf417/PDF417Reader.ts:114
throws

NotFoundException

throws

FormatExceptionß

throws

ChecksumException

Parameters
- image: BinaryBitmap
- hints: Map<DecodeHintType, any>
- multiple: boolean
Returns Result[]

Static Private getMaxCodewordWidth

getMaxCodewordWidth(p: ResultPoint[]): number

- Defined in src/core/pdf417/PDF417Reader.ts:145
Parameters
- p: ResultPoint[]
Returns number

Static Private getMaxWidth

getMaxWidth(p1: ResultPoint, p2: ResultPoint): number

- Defined in src/core/pdf417/PDF417Reader.ts:131
Parameters
- p1: ResultPoint
- p2: ResultPoint
Returns number

Static Private getMinCodewordWidth

getMinCodewordWidth(p: ResultPoint[]): number

- Defined in src/core/pdf417/PDF417Reader.ts:153
Parameters
- p: ResultPoint[]
Returns number

Static Private getMinWidth

getMinWidth(p1: ResultPoint, p2: ResultPoint): number

- Defined in src/core/pdf417/PDF417Reader.ts:138
Parameters
- p1: ResultPoint
- p2: ResultPoint
Returns number

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