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