PHP | Imagick setImageWhitePoint() Function

The Imagick::setImageWhitePoint() function is an inbuilt function in PHP which is used to set the image chromaticity white point.

Syntax:

bool Imagick::setImageWhitePoint( float $x, float $y )

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

• $x: It specifies the x-coordinate of white point chromaticity.
• $y: It specifies the y-coordinate of white point chromaticity.

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below programs illustrate the Imagick::setImageWhitePoint() function in PHP:

Program 1:

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png');

// Set the image white point
$imagick->setImageWhitePoint(0.65, 0.89);

// Get the image white point
$whitepoint = $imagick->getImageWhitePoint();
print("<pre>".print_r($whitepoint, true)."</pre>");
?>

Output:

Array
(
    [x] => 0.65
    [y] => 0.89
)

Program 2:

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-13.png');

// Set the image white point
$imagick->setImageWhitePoint(0.2, 0.2);

// Display the image
header("Content-Type: image/png");
echo $imagick->getImagesBlob();
?>

Output:

Reference: https://www.php.net/manual/en/imagick.setimagewhitepoint.php