The hue modifier is an inbuilt color modifier in Nodejs | Jimp that applies hue to an image to a given amount, from -360 to 360. It is an alias of the spin modifier.
Syntax:
image.color([ { apply: 'hue', params: [value] } ]);
Parameter:
- value – This parameter stores the amount of hue to apply. It takes values from -360 – 360.
Input Images:
Example 1:
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 hue modifier
image.color([{ apply: 'hue' , params: [50] }])
.write( 'hue1.png' );
} main(); console.log( "Image Processing Completed" );
|
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 hue modifier
image.color([{ apply: 'hue' , params: [50] }], function (err) {
if (err) throw err;
})
.write( 'hue2.png' );
} main(); console.log( "Image Processing Completed" );
|
Output:
Reference: https://www.npmjs.com/package/jimp