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Class QRCode

Hierarchy

Implements

Index

Constructors

Properties

Methods

Constructors

constructor

  • new QRCode(type: QRCodeType, networkType: number, generationHash: string, encrypted?: boolean, base64?: string): QRCode

  • Construct a QR Code instance out of its base64 representation and type.

    Parameters

    • type: QRCodeType
    • networkType: number
    • generationHash: string
    • encrypted: boolean = false
    • Optional base64: string

    Returns QRCode

Properties

Optional Readonly base64

base64?: string

Readonly encrypted

encrypted: boolean = false

Readonly generationHash

generationHash: string

Readonly networkType

networkType: number

Readonly type

type: QRCodeType

The type of the QR Code.

Methods

getCorrectionLevel

  • The getCorrectionLevel() method should return the QR Code correction level.

    Sub-classes may overload this method to provide with a different correction level.

    Returns CorrectionLevel

Abstract getSchema

  • The getSchema() method should return an instance of a sub-class of QRCodeDataSchema which describes the QR Code data.

    Returns QRCodeDataSchema

Abstract getTypeNumber

  • getTypeNumber(): number

  • The getTypeNumber() method should return the version number for QR codes of the underlying class.

    Returns number

toBase64

  • Generate QRcode image Base64.

    The returned string can be put in the src attribute of a <img /> tag directly in HTML. The produced image will be a PNG.

    Parameters

    Returns Observable<string>

    Return image data in Base64.

toCanvas

toJSON

  • toJSON(): string

  • The toJSON() method should return the JSON representation of the QR Code content.

    Returns string

toObject

toString

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