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Nodejs | GM whitePoint() Function

  • Last Updated : 13 Mar, 2020

The whitePoint() function is an inbuilt function in the GraphicsMagick library which is used to make chromaticity white point. The function returns the true value on success.


whitePoint(x, y)

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

  • x: This parameter is used to specify the x-coordinate of the white point.
  • y: This parameter is used to specify the y-coordinate of the white point.

Return Value: This function returns the GraphicsMagick object.


// Include gm library
var gm = require('gm');
// Import the image
gm(500, 200, 'black')
// Set the color for the stroke
.stroke("green", 3)
.font("Helvetica.ttf", 60)
.drawText(30, 160, "GeeksforGeeks!")
// Invoke whitePoint function with
// x, y as 250, 100 respectively. 
.whitePoint(250, 100)
// Process and write the image 
.write("whitePoint1.png", function (err) {
  if (!err) console.log('done');



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