printer

Documentation

Index

• Variables
• func ImageToPrinter(img image.Image) ([]byte, error)
• type Printer
  • func New(l log.Logger, rw io.ReadWriter) Printer
  • func NewNil(l log.Logger) Printer

Variables

var Funcs = map[string]interface{}{
	"altfont":     ret(altfont),
	"big":         ret(big),
	"double":      ret(double),
	"bold":        ret(bold),
	"reset":       ret(reset),
	"center":      ret(center),
	"aligncolumn": ret(alignColumn),
	"cut":         ret(cut),
	"image":       img,
	"qr":          qr,
}

Functions

func ImageToPrinter

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

Types

type Printer

type Printer interface {
	Print(id model.ID, pin model.PIN, regBase, regURL string) error
}

func New

func New(l log.Logger, rw io.ReadWriter) Printer

func NewNil

func NewNil(l log.Logger) Printer