Php/docs/imagick.getimagechannelkurtosis
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Imagick::getImageChannelKurtosis
(PECL imagick 2 >= 2.3.0, PECL imagick 3)
Imagick::getImageChannelKurtosis — The getImageChannelKurtosis purpose
说明
public Imagick::getImageChannelKurtosis
([ int $channel
= Imagick::CHANNEL_DEFAULT
] ) : array
Get the kurtosis and skewness of a specific channel. 此方法在Imagick基于ImageMagick 6.4.9以上版本编译时可用。
参数
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
Returns an array with kurtosis
and skewness
members.
错误/异常
错误时抛出 ImagickException。