Imagick::addNoiseImage

(PECL imagick 2, PECL imagick 3)

Imagick::addNoiseImage — Adds random noise to the image

說明

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

Adds random noise to the image.

參數(shù)

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. 缺省為Imagick::CHANNEL_DEFAULT. 參考此通道常數(shù)列表

返回值

成功時返回 true。

范例

示例 #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();
}

?>