Imagick::separateImageChannel
(PECL imagick 2.0.0)
Imagick::separateImageChannel — Separates a channel from the image
Description
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.
Parameters
-
channel -
Return Values
Returns TRUE on success.
Errors/Exceptions
Throws ImagickException on error.
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