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PHP | Imagick getImageRedPrimary() Function

Last Updated : 21 Nov, 2019
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The Imagick::getImageRedPrimary() function is an inbuilt function in PHP which returns the chromaticity red primary point. This functions returns an array with keys "x" and "y". Syntax: 
array Imagick::getImageRedPrimary( void )
Parameters: This function does not accept any parameter. Return Value: This function returns an array containing x and y coordinates of point. Exceptions: This function throws ImagickException on error. Below programs illustrate the Imagick::getImageRedPrimary() function in PHP: Program 1: php 
<?php

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

// Use getImageRedPrimary function
$res = $imagick->getImageRedPrimary();
print_r($res);
?>
Output: 
Array ( [x] => 0.64 [y] => 0.33 )
Program 2: php 
<?php

// Create new Imagick object
$imagick = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/20190918234528/colorize1.png');

// Use setImageRedPrimary function
$imagick->setImageRedPrimary(0.5, 0.8);

// Use getImageRedPrimary function
$res = $imagick->getImageRedPrimary();
print_r($res);
?>
Output: 
Array ( [x] => 0.5 [y] => 0.8 )
Reference: https://www.php.net/manual/en/imagick.getimageredprimary.php

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