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ImagickPixel::getColorValue

Gets the normalized value of the provided color channel ()
float ImagickPixel::getColorValue ( int color )

Warning:

This function is currently not documented; only the argument list is available.

Warning:

This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

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 Imagick channel constants.

Return Values

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