Warning: This function is
currently not documented; only the argument list is
available.
Warning: This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.
Retrieves the value of the color channel specified, as a floating-point
number between 0 and 1.
Parameters
- color
The channel to check, specified as one of the Imagick channel constants.
Return Values
The value of the channel, as a normalized floating-point number, throwing
ImagickPixelException on error.