---

layout: post
title: nodejs package ocr
categories: docker
description: nodejs package ocr

keywords: nodejs,npm

ng-ocr

Ngocr is an OCR library pure JavaScript for node.js.
We use ocrad.js.

Install

$ npm install ng-ocr -S  

How to use

Simple :

var Ngocr = require("Ngocr");  
Ngocr.decodeFile("test/fixture/hello_world.png", function(error, data){  
  console.log(data); // Hello World!  
});  

From Buffer:

var Ngocr = require("Ngocr");  
var fs = require("fs");  
var buffer = fs.readFileSync("test/fixture/hello_world.png");  
Ngocr.decodeBuffer(buffer, function(error, data){  
  console.log(data); // Hello World!  
});  

From Stream:

var Ngocr = require("Ngocr");  
var fs = require("fs");  
var stream = fs.createReadStream("test/fixture/hello_world.png");  
Ngocr.decodeStream(stream, function(error, data){  
  console.log(data); // Hello World!  
});  

Todo

• JPG support
  
• gif support
  
• stream interface (i love pipe)
  
• https://www.npmjs.com/package/n-ocr