The crop() function is an inbuilt function in Nodejs | Jimp which is used to crop the image within specified co-ordinates and dimensions.
Syntax:
crop( x, y, w, h, cb )
Parameter:
- 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 an optional parameter that is invoked when compilation is complete.
Input Images:
Example 1:
javascript
// npm install --save jimp // import jimp library to the environment const 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)
javascript
// npm install --save jimp // import jimp library to the environment const 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