Node.js GM flip() Function

The flip() function is an inbuilt function in the GraphicsMagick library which is used to create a mirror image in the vertical direction. The function returns the true value of success. 

Syntax:

flip()

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 flip() function
.flip()

// Process and Write the image
.write("flip1.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 borderColor() function and
// set border color to green
.borderColor("Green")

// Invoke border function
.border(62, 32)

// Invoke flip() function
.flip()

// Process and write the image
.write("flip2.png", function (err) {
    if (!err) console.log('done');
});

Output:

Reference:

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