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(   // 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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