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Documentation

Index

• func CloneToRGBA(img image.Image) *image.RGBA
• func EncodePNG(img image.Image) ([]byte, error)
• func IsSupportedFormat(ext string) bool
• func LoadFromBytes(data []byte) (image.Image, error)
• func LoadFromReader(r io.Reader) (image.Image, error)
• func LogoSize(qrPixelSize int, ratio float64) int
• func OverlayLogo(qrImage, logoImg image.Image, _ int) *image.RGBA
• func ResizeLogo(img image.Image, qrModules int, ratio float64) *image.RGBA
• func ResizeLogoToPixels(img image.Image, width, height int) *image.RGBA
• func SupportedFormats() []string
• func TintLogo(img image.Image, tint color.Color) *image.RGBA
• func Validate(path string) error
• type Processor
  • func New(source string, sizeRatio float64) *Processor
  • func (p *Processor) Load() (image.Image, error)
  • func (p *Processor) SizeRatio() float64
  • func (p *Processor) Source() string
  • func (p *Processor) WithTint(c color.Color) *Processor

Functions

func CloneToRGBA

func CloneToRGBA(img image.Image) *image.RGBA

func EncodePNG

func EncodePNG(img image.Image) ([]byte, error)

func IsSupportedFormat

func IsSupportedFormat(ext string) bool

func LoadFromBytes

func LoadFromBytes(data []byte) (image.Image, error)

func LoadFromReader

func LoadFromReader(r io.Reader) (image.Image, error)

func LogoSize

func LogoSize(qrPixelSize int, ratio float64) int

func OverlayLogo

func OverlayLogo(qrImage, logoImg image.Image, _ int) *image.RGBA

func ResizeLogo

func ResizeLogo(img image.Image, qrModules int, ratio float64) *image.RGBA

func ResizeLogoToPixels

func ResizeLogoToPixels(img image.Image, width, height int) *image.RGBA

func SupportedFormats

func SupportedFormats() []string

func TintLogo

func TintLogo(img image.Image, tint color.Color) *image.RGBA

func Validate

func Validate(path string) error

Types

type Processor

type Processor struct {
	// contains filtered or unexported fields
}

func New

func New(source string, sizeRatio float64) *Processor

func (*Processor) Load

func (p *Processor) Load() (image.Image, error)

func (*Processor) SizeRatio

func (p *Processor) SizeRatio() float64

func (*Processor) Source

func (p *Processor) Source() string

func (*Processor) WithTint

func (p *Processor) WithTint(c color.Color) *Processor