Imagick::addNoiseImage
(PECL imagick 2.0.0)
Imagick::addNoiseImage — Adds random noise to the image
說明
bool Imagick::addNoiseImage
( int
$noise_type
[, int $channel = Imagick::CHANNEL_DEFAULT
] )Adds random noise to the image.
參數
-
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 通道常數列表
回傳值
成功時回傳 TRUE。
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