略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: Gmagick::separateimagechannel

2024-12-21

Gmagick::separateimagechannel

(PECL gmagick >= Unknown)

Gmagick::separateimagechannelSeparates a channel from the image

说明

public Gmagick::separateimagechannel(int $channel): Gmagick

Separates a channel from the image and returns a grayscale image. A channel is a particular color component of each pixel in the image.

参数

channel

One of the Channel constant (Gmagick::CHANNEL_*).

返回值

The Gmagick object.

错误/异常

错误时抛出 GmagickException

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/gmagick.separateimagechannel.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3