Node Jimp | Color Lighten
Introduction : The lighten modifier is an inbuilt color modifier in Nodejs | Jimp which lightens the color of an image to a given amount, ranging between 0 to 100. If 100 is provided, it will result into a transparent white image.
Syntax:
image.color([
{ apply: 'lighten', params: [value] }
]);Parameter:
- value – This parameter stores the amount of lightness to apply. It takes values from 0 – 100.
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// color function having lighten modifier image.color([{apply:'lighten', params: [50]}]) .write('lighten1.png');}main(); console.log("Image Processing Completed"); |
Output:
Example 2: 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// color function having lighten modifier image.color([{apply:'lighten', params: [50]}], function(err){ if (err) throw err; }) .write('lighten2.png');}main(); console.log("Image Processing Completed"); |
Output:
Reference: https://www.npmjs.com/package/jimp
