Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security Policy
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

qrcode

package module

Go to main page

Versions in this module

v1

v1.2.0

Jan 19, 2025

Changes in this version

type QRCode

+ func (q *QRCode) SetContent(content string, level RecoveryLevel) error

v1.1.0

Oct 30, 2023

v1.0.0

Oct 29, 2023

Changes in this version

+ func Encode(content string, level RecoveryLevel, size int) ([]byte, error)

+ func WriteColorFile(content string, level RecoveryLevel, size int, ...) error

+ func WriteFile(content string, level RecoveryLevel, size int, filename string) error

+ type QRCode struct

+ BackgroundColor color.Color

+ Content string

+ DisableBorder bool

+ ForegroundColor color.Color

+ Level RecoveryLevel

+ VersionNumber int

+ func New(content string, level RecoveryLevel) (*QRCode, error)

+ func NewWithForcedVersion(content string, version int, level RecoveryLevel) (*QRCode, error)

+ func (q *QRCode) Bitmap() [][]bool

+ func (q *QRCode) Image(size int) image.Image

+ func (q *QRCode) PNG(size int) ([]byte, error)

+ func (q *QRCode) ToSmallString(inverseColor bool) string

+ func (q *QRCode) ToString(inverseColor bool) string

+ func (q *QRCode) Write(size int, out io.Writer) error

+ func (q *QRCode) WriteFile(size int, filename string) error

+ type RecoveryLevel int

+ const High

+ const Highest

+ const Low

+ const Medium