Node.js GM magnify() Function
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 libraryconst gm = require('gm');// Import the imagegm('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 libraryconst gm = require('gm');//Import the imagegm(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," w3wiki! ")// 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:
- http://www.graphicsmagick.org/GraphicsMagick.html
- https://www.npmjs.com/package/gm