Node Jimp | rotate

Introduction
The rotate() function is an inbuilt function in Nodejs | Jimp which rotates the image clockwise and the dimensions of the image remain same.

Syntax:

rotate(r, mode, cb)

Parameter:



  • r – This parameter stores the rotation angle for 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 a rotation as 55
  image.rotate(55)
  .write('rotate1.png');
}
  
main();
  console.log("Image Processing Completed");

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Output:




Example 2: With mode and 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.rotate(99, Jimp.RESIZE_BEZIER, function(err){ 


        if (err) throw err; 


    }) 


        .write('rotate2.png'); 


} 


  


main(); 


  console.log("Image Processing Completed"); 



















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Output:




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



          
          
          
          

            

    

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