Node.js GM minify() Function
The minify() function is an inbuilt function in the GraphicsMagick library which is used to minify the image. The function returns the true value of success.
Syntax:
minify( 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 minified.
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 minify function .minify(3) // Process and Write the image .write( "minify1.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 minify() function .minify(2) // Process and write the image .write( "minify2.png" , function (err) { if (!err) console.log( 'done' ); }); |
Output:
Reference:
- http://www.graphicsmagick.org/GraphicsMagick.html
- https://www.npmjs.com/package/gm