# How to rotate an image in Node Jimp?

Node.jsServer Side ProgrammingProgramming

NodeJS – Rotate() is an inbuilt function that is used to rotate the images. The image is rotated clockwise where the dimensions of the image remains same and no changes are made on them.

## Syntax

rotate ( r, mode, cb )

## Definition of rotate() paramters

• r – Used to store the rotation angle at which the image will be rotated.

• mode – Used to store the scaling method of the image. This is an optional parameter.

• cb – This is an optional parameter that can be invoked after the compilation is complete.

## Using Node JIMP – ROTATE()

Before proceeding to use rotate() functions, please check that the following statements are already executed for setting up the environment.

• npm init -y // Initialising the Node environment

• npm install jimp --save // Installing the jimp dependency

• Create a rotate.js file and copy-paste the following code snippet in it.

• Use node rotate.js to run the code.

Note – The method name should match with the JS file name. Only then, it will be able to call the desired method.

### Example

const Jimp = require('jimp') ;

async function rotate() {
const image = await Jimp.read
('/home/jimp/tutorials_point_img.jpg');
// Checking if any error occurs while rotating image
image.rotate(300, function(err){
if (err) throw err;
})
.write('/home/jimp/rotate.jpg');
}

rotate();
console.log("Image is processed successfully");

## Using Node JIMP – ROTATE() with 'cb' optional parameters

### Example

const Jimp = require('jimp') ;

async function rotate() {
const image = await Jimp.read
('/home/jimp/tutorials_point_img.jpg');
// Checking if any error occurs while rotating image
image.rotate(159, Jimp.RESIZE_BEZIER, function(err){
if (err) throw err;
})
.write('/home/mayankaggarwal/mysql-test/rotate.jpg');
}

rotate();
console.log("Image is processed successfully");

### Output

Published on 27-Apr-2021 13:51:47