The ImagickPixel class
PHP Manual

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 )
Avertissement

Cette fonction n'est pas documentée et seule la liste des arguments est disponible.

Retrieves the value of the color channel specified, as a floating-point number between 0 and 1.

Liste de paramètres

color

The channel to check, specified as one of the Imagick channel constants.

Valeurs de retour

The value of the channel, as a normalized floating-point number, throwing ImagickPixelException on error.


The ImagickPixel class
PHP Manual