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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.