Node Jimp | normalize

Introduction
The normalize() function is an inbuilt function in Nodejs | Jimp which normalizes the colors of an image by computing a histogram.

Syntax:

normalize(cb)

Parameter:



  • cb – This is an optional parameter which is invoked when compilation is complete.

Input Images:

Example 1:

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// 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
// normalize Function 
    image.normalize()
    .write('normalize1.png');
}
  
main();
    console.log("Image Processing Completed");

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Output:

Example 2: With mode and cb (optional parameters)

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// 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
// Normalize Function having callback function
    image.normalize(function(err){
      if (err) throw err;
  })
    .write('normalize2.png');
}
  
main();
    console.log("Image Processing Completed");

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Output:

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



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