Node.js GM resize() Function

Node.js GM raise() Function

The resize() function is an inbuilt function in the GraphicsMagick library which is used to resize an image. The function returns the true value of success.

Syntax:

raise( 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 image.
height: This parameter is used to specify the height of 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 resize function with 1024*768
.resize(1024, 268)
 
// Process and Write the image
.write("resize1.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 roll function
.resize(200, 150, '%')
 
// Process and write the image
.write("resize2.png", function (err) {
    if (!err) console.log('done');
});

Output: Reference:

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

Tags:

#Image-Processing #Node.js-GM #Node.js #Web Technologies

Node.js GM raise() Function

Node.js GM resize() Function

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