Nodejs | GM whitePoint() Function

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.

Syntax:

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.

Example:

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code

// Include gm library
var gm = require('gm');
  
// Import the image
gm(500, 200, 'black')
  
// Set the color for the stroke
.stroke("green", 3)
  
.background('green')
.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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Output:

Reference:

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