The scaleToFit() function is an inbuilt function in Nodejs | Jimp that 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 an optional parameter that stores the scaling method.
- cb: This is an optional parameter that is invoked when compilation is complete.
Input Images:
Setup Environment :
npm init -y
Install Dependencies :
npm install jimp
Example 1: In this example, we will see the use of scaleToFit().
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( '
// 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 const 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