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Node Jimp | scaleToFit

  • Last Updated : 22 Feb, 2021

Introduction : The scaleToFit() function is an inbuilt function in Nodejs | Jimp which scales the image to the largest size that fits inside the rectangle that has the given width and height.
 

Syntax: 

scaleToFit(w, h, mode, cb)

Parameter: 

  • w – This parameter stores the width of the image.
  • h – This parameter stores the height of the image.
  • mode – This is optional parameter which stores the scaling method.
  • cb – This is optional parameter which is invoked when compilation is complete.

Input Images: 
 



 

Setup Environment : 

npm init -y

Install Dependencies :

npm install jimp 

Example 1: 
 

javascript




// 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('
// scaleToFit Function having width and height
  image.scaleToFit(300, 300)
  .write('scaleToFit1.png');
}
 
main();
  console.log('Image Processing Completed');

Output: 
 

Example 2: With mode and cb (optional parameters) 
 

javascript




// 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('
// scaleToFit Function having width, height, mode and callback function
  image.scaleToFit(1000, 1700, Jimp.RESIZE_BEZIER, function(err){
    if (err) throw err;
  })
  .write('scaleToFit2.png');
}
 
main();
  console.log('Image Processing Completed');

Output: 
 

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




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