Php/docs/imagick.posterizeimage
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Imagick::posterizeImage
(PECL imagick 2, PECL imagick 3)
Imagick::posterizeImage — Reduces the image to a limited number of color level
Description
public Imagick::posterizeImage
( int $levels
, bool $dither
) : bool
Reduces the image to a limited number of color level.
Parameters
levels
dither
Return Values
Returns TRUE
on success.
Examples
Example #1 Imagick::posterizeImage()
<?phpfunction posterizeImage($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);?>