escpos

Documentation

Index

• type Driver
  • func NewDriver(w io.WriteCloser) Driver
  • func OpenDriver(path string) (Driver, error)
• type Justification
• type PrintMode

Types

type Driver

type Driver interface {
	io.WriteCloser

	Initialize() error
	SelectPrintMode(mode PrintMode) error
	SelectLineSpacing(spacing uint8) error
	SelectJustification(justify Justification) error
	PrintAndFeed(lines uint8) error
}

func NewDriver

func NewDriver(w io.WriteCloser) Driver

func OpenDriver

func OpenDriver(path string) (Driver, error)

type Justification

type Justification uint8

const (
	JustifyLeft   Justification = 0
	JustifyCenter Justification = 1
	JustifyRight  Justification = 2
)

type PrintMode

type PrintMode uint8

const (
	AlternateFontMode PrintMode = 1
	EmphasisMode      PrintMode = 1 << 3
	DoubleHeightMode  PrintMode = 1 << 4
	DoubleWidthMode   PrintMode = 1 << 5
	UnderlineMode     PrintMode = 1 << 7
)