PHP | Imagick getImageWhitePoint() Function

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The Imagick::getImageWhitePoint() function is an inbuilt function in PHP which is used to get the chromaticity white point of an Imagick object.

Syntax:

bool Imagick::getImageWhitePoint( void)

Parameters: This function does not accept any parameter.

Return Value: This function returns the chromaticity white point as an associative array with the keys value x and y.

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

Program 1:
Original Image:

<?php 
  
// Craeate new imagic object 
$imagick = new Imagick( 
'https://media.zambiatek.com/wp-content/uploads/zambiatek-15.png'); 
  
// Getting Length of image 
// using getimagerelength function 
$res = $imagick->getImageWhitePoint(); 
  
// Display result 
print_r($res); 
  
?> 

Output:

Array ( [x] => 0.31270000338554 [y] => 0.3289999961853 )

Program 2:
Original Image:

<?php  
  
$string = "Computer Science portal for Geeks!";  
     
// Creating new image of above String  
// and add color and background  
$im = new Imagick();  
$draw = new ImagickDraw();  
    
// Fill the color in image  
$draw->setFillColor(new ImagickPixel('green'));  
    
// Set the text font size  
$draw->setFontSize(50);  
    
$metrix = $im->queryFontMetrics($draw, $string);  
$draw->annotation(0, 40, $string);  
$im->newImage($metrix['textWidth'], $metrix['textHeight'],  
              new ImagickPixel('white'));  
             
// Draw the image           
$im->drawImage($draw); 
  
// getting Length of image 
// using getimagerelength function 
$res = $im->getImageWhitePoint(); 
  
// Display result 
print_r($res); 
  
?> 

Output:

Array ( [x] => 0.31270000338554 [y] => 0.3289999961853 )

Reference: http://php.net/manual/en/imagick.getimagewhitepoint.php

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