ImagickPixel::getColorValue
(PECL imagick 2.0.0)
ImagickPixel::getColorValue — Gets the normalized value of the provided color channel
Description
float ImagickPixel::getColorValue
( int $color
)
Warning
This 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.