Imagick::posterizeImage
PHP function
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(PECL imagick 2, PECL imagick 3)
Reduces the image to a limited number of color level
Description
Imagick::posterizeImage(int $levels, bool $dither): bool
Reduces the image to a limited number of color level.
Parameters
levelsdither
Return Values
Success
Examples
php
<?php
function posterizeImage($imagePath, $posterizeType, $numberLevels) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->posterizeImage($numberLevels, $posterizeType);
$imagick->setImageFormat('png');
header("Content-Type: image/png");
echo $imagick->getImageBlob();
}
posterizeImage($imagePath, \Imagick::DITHERMETHOD_RIEMERSMA, 8);
?>