isbn

README

isbn

isbn is a small ISBN barcode scanner.

Documentation

Overview

Package isbn provides tools to read an ISBN barcode.

Index

• type Bar
• type Barcode
  • func Scan(src image.Image) (Barcode, error)
• type Decoder
  • func NewDecoder() *Decoder
  • func (dec *Decoder) Decode(src image.Image) error

Types

type Bar

type Bar struct {
	Beg int
	End int
	Col int
}

type Barcode

type Barcode []int

Barcode is an ISBN barcode.

func Scan

func Scan(src image.Image) (Barcode, error)

type Decoder

type Decoder struct {
	Y      int       // Y coordinate of line of sight.
	Line   []byte    // Line is the raw byte line of sight. (0=white,255=black)
	Guards [3][3]Bar // Guards is the set of ISBN guards that have been detected

	Barcode Barcode // Barcode is the decoded ISBN barcode.
	// contains filtered or unexported fields
}

Decoder decodes an image containing an ISBN barcode.

func NewDecoder

func NewDecoder() *Decoder

func (*Decoder) Decode

func (dec *Decoder) Decode(src image.Image) error