The brighten modifier is an inbuilt color modifier in Nodejs | Jimp which is used to brighten an image up to a given amount, ranging between 0 to 100.
Syntax:
image.color([ { apply: 'brighten', params: [value] } ]);
Parameter:
- value – This parameter stores the amount of brightness to be applied. It takes values from 0 – 100.
Input Images:
Example 1: In this example, we will see the use of jimp library.
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
// color function having brighten modifier
image.color([{ apply: 'brighten' , params: [50] }])
.write( 'brighten1.png' );
} main(); console.log( "Image Processing Completed" );
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Output:
Example 2: 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
// color function having brighten modifier
image.color([{ apply: 'brighten' , params: [50] }], function (err) {
if (err) throw err;
})
.write( 'brighten2.png' );
} main(); console.log( "Image Processing Completed" );
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Output:
Reference: https://www.npmjs.com/package/jimp