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Node.js GM whitePoint() Function

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The whitePoint() function is an inbuilt function in the GraphicsMagick library which is used to make chromaticity white points. The function returns the true value of 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: 

javascript




// Include gm library
const 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');
});


Output:

  

Reference:


Last Updated : 29 Mar, 2023
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