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Latest Version [8.00202205221] Last Updated [May-22-2022]

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PHP Manual [Gmagick

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PHP Manual || Gmagick

(PECL gmagick >= Unknown)

Gmagick::separateimagechannelSeparates a channel from the image

Description

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.

Parameters

channel

Identify which channel to extract: RedChannel, GreenChannel, BlueChannel, OpacityChannel, CyanChannel, MagentaChannel, YellowChannel, BlackChannel.

Return Values

The Gmagick object on success

Errors/Exceptions

Throws an GmagickException on error.



PHP Manual || Gmagick