Imagick::separateImageChannel
(PECL imagick 2.0.0)
Imagick::separateImageChannel — Separates a channel from the image
Description
bool Imagick::separateImageChannel
( int $channel
)
Warning
This function is currently not documented; only its argument list is available.
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.