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Node Jimp | Crop

  • Last Updated : 22 Apr, 2019

Introduction
The crop() function is an inbuilt function in Nodejs | Jimp which is used to crop the image with in specified co-ordinates and dimensions.
Syntax:

crop( x, y, w, h, cb )

Parameter:

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  • x – This parameter stores the x co-ordinate of cropping.
  • y – This parameter stores the y co-ordinate of cropping.
  • w – This parameter stores the width of the cropping image.
  • h – This parameter stores the height of the cropping image.
  • cb – This is optional parameter which is invoked when compilation is complete.

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('../gfg.png');
// crop function having crop co-ordinates
// along with height and width
  image.crop(10, 10, 150, 120) 
  .write('crop1.png');
}
  
main();
  console.log("Image Processing Completed");

Output:

Example 2: With cb (optional parameter)




// 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('../gfg1.png');
// crop function using callback function
  image.crop(20, 20, 100, 100, function(err){
    if (err) throw err;
  })
  .write('crop2.png');
}
  
main();
  console.log("Image Processing Completed");

Output:

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




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