Imagick::separateImageChannel

(PECL imagick 2.0.0)

Imagick::separateImageChannel — Separates a channel from the image

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.

Restituisce TRUE in caso di successo.

Lancia una ImagickException in caso di errore.