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GmagickPixel::getcolorvalue

PHP function Edit on GitHub ✎

(PECL gmagick >= Unknown)

Gets the normalized value of the provided color channel

Description

GmagickPixel::getcolorvalue(int $color): float

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

color: The channel to check, specified as one of the Gmagick channel constants.

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

Source: reference/gmagick/gmagickpixel/getcolorvalue.xml · from the official PHP manual (php/doc-en)