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Node.js GM magnify() Function

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The magnify() function is an inbuilt function in the GraphicsMagick library which is used to magnify the image. The function returns the true value of success. 

Syntax:

magnify( factor )

Parameters: This function accepts a single parameter as mentioned above and described below:

  • factor: This parameter is used to specify the factor by which the image needs to be magnified.

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 magnify function
.magnify(3)
 
// Process and Write the image
.write(" magnify1.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(& quot; Green & quot;)
 
// Invoke border function
.border(62, 32)
 
// Invoke magnify() function
.magnify(2)
 
// Process and write the image
.write("magnify2.png ", function (err) {
    if (!err) console.log('done');
});


Output: Reference:



Last Updated : 29 Mar, 2023
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