Node.js GM border() Function

The border() function is an inbuilt function in the GraphicsMagick library which is used to surround the image with a border of color. The function returns the true value on success. 

Syntax:

border( width, height )

Parameters: This function accepts two parameters as mentioned above and described below:

• width: This parameter is used to specify the width of the border around the image.
• height: This parameter is used to specify the height of the border around the image.

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 border function with 10*40
.border(10, 40)

// Process and Write the image
.write("border1.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 border function with 62 * 32
.border(62, 32)

// Process and write the image
.write("border2.png", function (err) {
      if (!err) console.log('done');
});

Output:

Reference:

• http://www.graphicsmagick.org/GraphicsMagick.html#details-border
• https://www.npmjs.com/package/gm