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.