GoLang Imagick::posterizeImage

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PHP Imagick::posterizeImage

PHP original manual for Imagick::posterizeImage [ show | php.net ]

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);

?>