Node.js GM enhance() Function

Last Updated : 30 Mar, 2023

The enhance() function is an inbuilt function in the GraphicsMagick library which is used to apply a digital filter to enhance a noisy image. The function returns the true value of success.

Syntax:

enhance()

Parameters: This function does not accept any parameters.

Return Value: This function returns the GraphicsMagick object.

Example 1:

javascript

// Include gm library
const gm = require('gm');
 
// Import the image
gm('1.png')
 
// Invoke borderColor() function
// and set border color to green
.borderColor('Green')
 
// Invoke resize function
.border(10, 30)
 
// Invoke enhance function
.enhance()
 
// Process and Write the image
.write("enhance1.png", function (err) {
    if (!err) console.log('done');
});

Output:

Example 2:

javascript

// Include gm library
const gm = require('gm');
 
//Import the image
gm(600, 300, 'white')
 
// set the color for the stroke
.stroke("green", 3)
 
// Set the font
.font("Helvetica.ttf", 60)
 
// Call to drawText Function
.drawText(100, 280, "GeeksforGeeks!")
 
// Invoke borderColor() function
// and set border color to green
.borderColor("Green")
 
// Invoke border function
.border(62, 32)
 
// Invoke enhance() function
.enhance()
 
// Process and write the image
.write("enhance2.png", function (err) {
    if (!err) console.log('done');
});