GoLang GmagickPixel::getcolorvalue

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PHP GmagickPixel::getcolorvalue

PHP original manual for GmagickPixel::getcolorvalue [ show | php.net ]

GmagickPixel::getcolorvalue

(PECL gmagick >= Unknown)

GmagickPixel::getcolorvalue — Gets the normalized value of the provided color channel

Description

public float GmagickPixel::getcolorvalue ( int $color )

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 Gmagick channel constants.

Return Values

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