Node Jimp | pixelate
The pixelate() function is an inbuilt function in Nodejs | Jimp that applies the pixelation effect over an image or region.
Syntax:
pixelate(size, x, y, w, h, cb)
Parameter:
- size: This parameter takes the size of the pixels.
- x: This parameter takes the x position of the region to pixelate.
- y: This parameter takes the y position of the region to pixelate.
- w: This is an optional parameter that takes the width of the region to pixelate.
- h: This is an optional parameter that takes the height of the region to pixelate.
- 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 pixelate().
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( '../gfg.png' ); // pixelate function image.pixelate(5) .write( 'pixelate1.png' ); } main(); console.log( "Image Processing Completed" ); |
Output:
Example 2: With size, x, y, w, h, and 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( '../gfg1.png' ); //pixelate function using callback function image.pixelate(5, 40, 50, 190, 200, function (err) { if (err) throw err; }) .write( 'pixelate2.png' ); } main(); console.log( "Image Processing Completed" ); |
Output:
Reference: https://www.npmjs.com/package/jimp