ImagickPixel::getColorValue
(No version information available, might be only in CVS)
ImagickPixel::getColorValue — Gets the normalized value of the provided color channel
Description
float ImagickPixel::getColorValue
( int $color
)
WarningThis function is
currently not documented; only its argument list is available.
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.