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ImagickPixel::getColorQuantum — Description
Returns the color of the pixel in an array as Quantum values. If ImageMagick was compiled as HDRI these will be floats, otherwise they will be integers.
This function is currently not documented; only its argument list is available.
This function has no parameters.
The quantum value of the color element. Float if ImageMagick was compiled with HDRI, otherwise an int.