Node Jimp | resize

Introduction
The resize() function is an inbuilt function in Nodejs | Jimp which resizes the image to a set width and height using a 2-pass bilinear algorithm.
Syntax:

resize(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:

Example 1:



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// 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
('https://media.geeksforgeeks.org/wp-content/uploads/20190328185307/gfg28.png');
// rotate Function having rotation as 55
    image.resize(323, 421)
    .write('resize1.png');
}
  
main();
    console.log("Image Processing Completed");

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Output:




Example 2: With cb (optional parameters)













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//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 


('https://media.geeksforgeeks.org/wp-content/uploads/20190328185333/gfg111.png'); 


//rotate Function having rotation angle as 99, mode and callback function 


  image.resize(1024, 768, Jimp.RESIZE_BEZIER, function(err){ 


      if (err) throw err; 


  }) 


      .write('resize2.png'); 


} 


  


main(); 


  console.log("Image Processing Completed"); 



















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Output:




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





    

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