Imagick::addImageImagick::addNoiseImage
(PECL imagick 2.0.0)
Imagick::addNoiseImage — Adds random noise to the image
说明
bool Imagick::addNoiseImage
( int
$noise_type
[, int $channel = Imagick::CHANNEL_DEFAULT
] )Adds random noise to the image.
参数
-
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
返回值
成功时返回 TRUE。
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