PHP | Imagick setImageRedPrimary() Function

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

Syntax:

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

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

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

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below given programs illustrate the Imagick::setImageRedPrimary() function in PHP:
Program 1:

<?php

// Create a new imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/20190823154611/geeksforgeeks24.png');

// Use setImageRedPrimary() function
$imagick->setImageRedPrimary(5, 8);

// Use getImageRedPrimary() function
$result = $imagick->getImageRedPrimary();
print_r($result);
?>

Output:

Array ( [x] => 5 [y] => 8 )

Program 2:

<?php

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

// Use setImageRedPrimary() function
$imagick->setImageRedPrimary(0.2, 0.8);

// Display the image
$imagick->setformat('png');
header("Content-Type: image/png");

echo $imagick->getImageBlob();
?>

Output:

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