Node.js GM enhance() Function
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, "w3wiki!" ) // 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' ); }); |
Output:
Reference:
- http://www.graphicsmagick.org/GraphicsMagick.html
- https://www.npmjs.com/package/gm
Contact Us