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Imagick::separateImageChannel

(PECL imagick 2.0.0)

Imagick::separateImageChannelSeparates a channel from the image

Descrizione

bool Imagick::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.

Elenco dei parametri

channel

Valori restituiti

Restituisce TRUE in caso di successo.

Errori/Eccezioni

Lancia una ImagickException in caso di errore.

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