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Node Jimp | Color blue

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The xor modifier is an inbuilt color modifier in Nodejs Jimp which modifies blue components of the given image by a given amount.

Syntax:

image.color([
      { apply: 'green', params: value }
]);

Parameter:

  • value: This parameter stores the amount by which the blue color of the image is to be modified.

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 blue modifier
    image.color([{ apply: 'blue', params: [73] }])
        .write('blue1.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 blue modifier
    image.color([{ apply: 'blue', params: ['50'] }], function (err) {
        if (err) throw err;
    })
        .write('blue2.png');
}
 
main();
console.log("Image Processing Completed");


Output: 

 

Reference: https://www.npmjs.com/package/jimp



Last Updated : 03 Apr, 2023
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