PHP 5.6.0beta1 released

Gmagick::separateimagechannel

(PECL gmagick >= Unknown)

Gmagick::separateimagechannelSeparates a channel from the image

Beschreibung

public Gmagick Gmagick::separateimagechannel ( int $channel )

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

Parameter-Liste

channel

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

R├╝ckgabewerte

The Gmagick object on success

Fehler/Exceptions

Wirft bei einem Fehler eine GmagickException.

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