GmagickPixel::getcolorcountGmagickPixel::getcolorvalue
(PECL gmagick >= Unknown)
GmagickPixel::getcolorvalue — Gets the normalized value of the provided color channel
Описание
public float GmagickPixel::getcolorvalue
( int
$color
)Retrieves the value of the color channel specified, as a floating-point number between 0 and 1.
Список параметров
-
color -
The channel to check, specified as one of the Gmagick channel constants.
Возвращаемые значения
The value of the channel, as a normalized floating-point number, throwing GmagickPixelException on error.
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