The Imagick class
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Imagick::addNoiseImage

(PECL imagick 2.0.0)

Imagick::addNoiseImageAdds random noise to the image

说明

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

本函数暂无文档,仅有参数列表。

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 channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

返回值

Returns TRUE on success.


The Imagick class
PHP 手册