PHP

Syntax:

array Imagick::getImageRedPrimary (void)

Parameters:this function takes no parameters.Return value:this function returns an array containing the x and y coordinates of the point.Exceptions: this function will throw ImagickException on error. 
The following programs illustrate the Imagick::getImageRedPrimary()function in PHP:Program 1:  
/ / Create a new Imagick object $imagick = new Imagick ( ` https://media.engineerforengineer.org/wp-content/uploads/engineerforengineer-13.png ` );  
// Use the getImageRedPrimary function $res = $imagick -> getImageRedPrimary(); print_r ( $res ); ?> Output:

Array ([x] = > 0.64 [y] = > 0.33)

Program 2:  
// Create a new one Imagick object $imagick = new Imagick ( ` https://media.engineerforengineer.org/wp-content/uploads/20190918234528/colorize1.png ` );  
// Use the setImageRedPrimary function $imagick -> setImageRedPrimary (0.5, 0.8);  
// Use the getImageRedPrimary function $res = $imagick -> getImageRedPrimary(); print_r ( $res ); ?> Output:

Array ([x] = > 0.5 [y] = > 0.8)

Link:https://www.php.net/manual/en/imagick.getimageredprimary.php