Node Jimp | invert
Introduction : The invert() function is an inbuilt function in Nodejs | Jimp which inverts an image’s colors.
Syntax:
invert(cb)
Parameter:
- 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 environmentvar Jimp = require('jimp');// User-Defined Function to read the imagesasync function main() { const image = await Jimp.read// invert function image.invert() .write('invert1.png');}main(); console.log("Image Processing Completed"); |
Output:
Example 2: With mode and cb (optional parameters)
javascript
// npm install --save jimp// import jimp library to the environmentvar Jimp = require('jimp');// User-Defined Function to read the imagesasync function main() { const image = await Jimp.read// invert function using callback function image.invert(function(err){ if (err) throw err; }) .write('invert2.png');}main(); console.log("Image Processing Completed"); |
Output:
Reference: https://www.npmjs.com/package/jimp
