Functions and Directives

Function GraGetRGBIntensity() Foundation

Calculates color intensities for red, green and blue from a RGB color value.

GraGetRGBIntensity( <nRGBColor> ) --> aRGB | NIL
The parameter is a numeric RGB color value.

The function returns an array with three elements. Each element contains an integer in the range from 0 to 255 indicating the color intensity for red, green and blue: {nRed, nGreen, nBlue}.

If <nRGBColor> is not a valid RGB color value, the function returns NIL.


The function is used to obtain the individual color intensities for the three colors red, green and blue from a RGB color value. The latter is returned by the function GraMakeRGBColor().


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