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Node Jimp | Color spin
  • Last Updated : 22 Apr, 2019

Introduction
The spin modifier is an inbuilt color modifier in Nodejs | Jimp which spin the hue of an image to a given amount, from -360 to 360. Spinning to 0, 360, -360 will not perform any function since it sets the hue back to what it was before.
Syntax:

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

Parameter:

  • value – This parameter stores the amount of hue spin to apply. It takes values from -360 to 360.

Input Images:

Example 1:




// npm install --save jimp
// import jimp library to the environment
var Jimp = require('jimp');
  
// User-Defined Function to read the images
async function main() {
  const image = await Jimp.read
// color function having spin modifier
  image.color([{apply:'spin', params: [50]}])
  .write('spin1.png');
  
main();
  console.log("Image Processing Completed");

Output:

Example 2: cb (optional parameters)




// npm install --save jimp
// import jimp library to the environment
var Jimp = require('jimp');
  
// User-Defined Function to read the images
async function main() {
  const image = await Jimp.read
// color function having spin modifier
  image.color([{apply:'spin', params: [50]}], function(err){
    if (err) throw err;
  })
  .write('spin2.png');
}
  
main();
  console.log("Image Processing Completed");

Output:

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




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