Node.js GM lower() Function
The lower() function is an inbuilt function in the GraphicsMagick library which is used to create a pseudo-3D lowering effect of the image edges. The function returns the true value on success.
Syntax:
lower(width, height)
Parameters: This function accepts two parameters as mentioned above and described below:
- width: This parameter is used to specify the width from which the image is to be lowered.
- height: This parameter is used to specify the height from which the image is to be lowered.
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 lower function .lower(45, 78) // Process and Write the image .write("lower1.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 lower function .lower(13, 56) // Process and Write the image .write("lower2.png", function (err) { if (!err) console.log( 'done' ); }); |
Output:
Reference:
- https://www.npmjs.com/package/gm
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