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GmagickPixel::getcolorvalue

(PECL gmagick >= Unknown)
Gets the normalized value of the provided color channel
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.

Returns:

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

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2016-02-24 16:00:32
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