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Nodejs | Jimp
  • Difficulty Level : Hard
  • Last Updated : 22 Feb, 2021

Introduction 
Jimp is a node module used to do image processing which is provided by the npm installer. The Jimp – Javascript Image Manipulation Program is a library written entirely in JavaScript for Node, without any external or native dependencies. 
Various Image manipulations options available in this library are blit, blur, color, contain and many more.
Image types supported by Jimp :
 

  • @jimp/jpeg
  • @jimp/png
  • @jimp/bmp
  • @jimp/tiff
  • @jimp/gif

Advantages : 
Nodejs syntax is easy to handle and people with background from Python or C++ can get easily used to it. The compilation time in nodejs is faster than any other.
Input Images: 
 

 



Setup Environment : 

npm init -y

Install Dependencies : 

npm install jimp

Example 1: 
 

javascript




//npm install --save jimp
//import jimp library to the environment
var Jimp = require('jimp');
 
//User-Defined Function to read the images
async function main() {
  const image1 = await Jimp.read
  const image2 = await Jimp.read
 
  //call to blit function
  image1.blit(image2, 20, 40)
  //write image
  .write('blit1.png');
  console.log("Image Processing Completed");
}
 
main();

Output: 
 

Example 2: 
 

javascript




//npm install --save jimp
//import jimp library to the environment
var Jimp = require('jimp');
 
//User-Defined Function to read the images
async function main() {
  const image = await Jimp.read
  image.blur(2, function(err){
    if (err) throw err;
  })
  .write('blur2.png');
}
 
 
main();
console.log("Image Processing Completed");

Output: 
 

Reference: https://www.npmjs.com/package/jimp
 

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