PHP | Imagick setImageBluePrimary() Function

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

Syntax:

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

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

• $x: It specifies the blue primary x-point.
• $y: It specifies the blue primary y-point.

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

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

Program 1:

<?php

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

// Use setImageBluePrimary() function
$imagick->setImageBluePrimary(10, 10);

// Use getImageBluePrimary() function
$result = $imagick->getImageBluePrimary();

print_r($result);
?>

Output:

Array ( [x] => 10 [y] => 10 )

Program 2:

<?php

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

// Use setImageBluePrimary() function
$imagick->setImageBluePrimary(0.2, 0.2);

// Display the image
$imagick->setformat('png');

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

Output:

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