PHP | Imagick posterizeImage() Function
The Imagick::posterizeImage() function is an inbuilt function in PHP which is used to reduces the image to a limited number of color level.
Syntax:
bool Imagick::posterizeImage( $levels, $dither )
Parameters: This function accepts two parameters as mentioned above and described below:
- $levels: This parameter is used to set the level of color.
- $dither: This parameter is used to hold the dither Boolean value.
Return Value: This function returns True on success.
Below program illustrates the Imagick::posterizeImage() function in PHP:
Program:
<?php // Create an imagick object $imagick = new Imagick( 'https://media.w3wiki.net/wp-content/uploads/w3wiki-9.png' ); // Use posterizeImage function $imagick ->posterizeImage(8, 'true' ); // Set image format $imagick ->setImageFormat( 'png' ); header( "Content-Type: image/png" ); // Display the output image echo $imagick ->getImageBlob(); ?> |
Output:
Reference: http://php.net/manual/en/imagick.posterizeimage.php
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