qr

Documentation

Index

• func Decode(img image.Image) (string, error)
• func Encode(data string, size int, lvl RecoveryLevel) (image.Image, error)
• type RecoveryLevel
  • func (r RecoveryLevel) String() string

Functions

func Decode

func Decode(img image.Image) (string, error)

Decode an image with QR code.

func Encode

func Encode(data string, size int, lvl RecoveryLevel) (image.Image, error)

Encode encodes data into the image with QR code.

Types

type RecoveryLevel

type RecoveryLevel int

RecoveryLevel represents QR encoding error detection/recovery capacity.

const (
	// Low is Level L: 7% error recovery.
	Low RecoveryLevel = iota

	// Medium is Level M: 15% error recovery. Good default choice.
	Medium

	// High is Level Q: 25% error recovery.
	High

	// Highers is Level H: 30% error recovery.
	Highest
)

func (RecoveryLevel) String

func (r RecoveryLevel) String() string

String implements Stringer interface.