Imagick::addNoiseImage

(PECL imagick 2.0.0)

Imagick::addNoiseImage — Adds random noise to the image

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

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。