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Node Jimp | Blur

  • Last Updated : 22 Feb, 2021

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('
  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('
  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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