Imagick::posterizeImage

    (PECL imagick 2, PECL imagick 3)

    Imagick::posterizeImage — Reduces the image to a limited number of color level

    Description

    publicImagick::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()

    <?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);

    ?>
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