Imagick::addNoiseImage

(PECL imagick 2.0.0)

Imagick::addNoiseImage — Adds random noise to the image

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Imagick::addNoiseImage ( int $noise_type [, int $channel = Imagick::CHANNEL_DEFAULT ] ) : bool

Adds random noise to the image.

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noise_type

The type of the noise. Refer to this list of noise constants.

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. ȱʡΪImagick::CHANNEL_DEFAULT. �ο��� ͨ�������б�

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Example #1 Imagick::addNoiseImage()

<?php
function addNoiseImage($noiseType, $imagePath, $channel) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->addNoiseImage($noiseType, $channel);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

?>