Imagick::posterizeImage
(PECL imagick 2.0.0)
Imagick::posterizeImage — Reduces the image to a limited number of color level
Description
bool Imagick::posterizeImage ( int $levels , bool $dither )Reduces the image to a limited number of color level.
Parameters
levels dither
Return Values
Returns TRUE on success.
Examples
Example #1 Imagick::posterizeImage()
<?php
function?posterizeImage($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);
?>← Imagick::polaroidImage
Imagick::previewImages →
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