Node Jimp | Blur

Introduction : The blur() function is an inbuilt function in Nodejs | Jimp which uses blur algorithm that produces similar effect to a Gaussian blur. 

Syntax:

blur(r, cb())

Parameter:

• r – This parameter stores the radius of the blur.
• cb – This is optional parameter which is invoked when compilation is complete.

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 image = await Jimp.read('
   https://media.geeksforgeeks.org/wp-content/uploads/20190328185307/gfg28.png');
  image.blur(5)
  .write('blur1.png');
}
main();
  console.log('Image Processing Completed');

Output:

Example 2: With cb (optional parameter)

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('
    https://media.geeksforgeeks.org/wp-content/uploads/20190328185333/gfg111.png');
  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