略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: Imagick::getImageChannelMean

2024-12-21

Imagick::getImageChannelMean

(PECL imagick 2, PECL imagick 3)

Imagick::getImageChannelMeanGets the mean and standard deviation

说明

public Imagick::getImageChannelMean(int $channel): array

Gets the mean and standard deviation of one or more image channels.

参数

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. Refer to this list of channel constants.

返回值

Returns an array with "mean" and "standardDeviation" members.

错误/异常

错误时抛出 ImagickException。

add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/imagick.getimagechannelmean.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3