Node Jimp | sepia

The sepia() function is an inbuilt function in Nodejs | Jimp which applies a sepia tone/wash to the image. 

Syntax:

sepia(cb)

Parameter:

• cb: This is an optional parameter that is invoked when compilation is complete.

Input Images:

Setup Environment: 

npm init -y

Install Dependencies: 

npm install jimp

Example 1: In this example, we will see the use of sepia()

javascript

// npm install --save jimp
// import jimp library to the environment
const 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');
    // fade function
    image.sepia()
        .write('sepia1.png');
}

main();
console.log("Image Processing Completed");

Output:

Example 2: With cb (optional parameters) 

javascript

// npm install --save jimp
// import jimp library to the environment
const 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');
    // fade function using callback function
    image.sepia(function (err) {
        if (err) throw err;
    })
        .write('sepia2.png');
}

main();
console.log("Image Processing Completed");

Output:

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