打开 哈希空间 微信小程序中查看更佳
(PECL imagick 2, PECL imagick 3)
Imagick::addNoiseImage — Adds random noise to the image
$noise_type, int $channel = Imagick::CHANNEL_DEFAULT): bool
Adds random noise to the image.
noise_type
The type of the noise. Refer to this list of noise constants.
channel
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. 缺省为Imagick::CHANNEL_DEFAULT.
参考此 通道常数列表
成功时返回 true。
示例 #1 Imagick::addNoiseImage()
<?php
function addNoiseImage($noiseType, $imagePath, $channel) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->addNoiseImage($noiseType, $channel);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>
