Node-Catprinter

Nodejs library to print with cat-shaped or other thermal printers that use this protocol over bluetooth

based on NaitLee/kitty-printer implementation ive made this repo for more general pourpose

Install

clone this repo, then

cd ./meowprinter
npm install

API

async printImage('path_or_url')
print the image from the given path or url

async printText()
print the text after newText() has ben created

newText(fonts:? CustomFonts[])
create new textarea to print optionally can be loades some customfonts

addText(text: string, options: TextOptions)
add text to the textarea with the given TextOptions

newLine()
goes new line in the textarea

loadFont(font: CustomFonts)
load a custom font

async drawSeparator(optional? separator height)
draw a line optionalli can be specified the line deept

setStrenght(value)
set the strength of the printing

setPrintingSpeed(value)
set the printing speed

getPrinterStatus()
get the printer status

retractPaper(lines)
retract the paper by the given amount

feedPaper(lines)
feed the papaer by the given amount

disconnect()
disconnect from the ble device

EXAMPLE

import { CatPrinter } from "cat_device."
import { BluetoothAdapter } from "ble_adapter"


const adapter = new BluetoothAdapter()

const isonprinter = new CatPrinter(await adapter.scan('MY_MAC_ADDRESS', 30000))

const printer = new CatPrinter(adapter)

await printer.printImage('./assets/catprinter.jpg')
printer.newText()
printer.addText('Hello, World', {font: '', font_size: 24, bold: true, alignment: 'center' })
printer.newLine()
await printer.printText()
await printer.disconnect()