# Codabar barcodes

## Informations

Author: Florence Demoures
License: FPDF

## Description

This script implements Codabar barcodes (also known as NW-7 or Code 2 of 7).
This barcode allows to encode numeric data (0-9) as well as 6 special characters ($, -, :, /, ., +). It has 8 start/stop characters available (a, b, c, d, e, *, n, t).
`Codabar(float xpos, float ypos, string code [, char start [, char end [, float baseline [, float height]]]])`
`xpos`: abscissa of barcode
`ypos`: ordinate of barcode
`code`: value of barcode
`start`: start character (default value: `a`)
`end`: stop character (default value: `a`)
`basewidth`: width of a thin bar (default value: `0.35`)
`height`: height of bars (default value: `16`)