Arguments

rgb  an integer specifying the RGB value

red  an integer specifying the red value part (0...255)

green  an integer specifying the green value part (0...255)

blue  an integer specifying the blue value part (0...255)

Return

always returns an integer value

Example

(vle-rgb2aci 0 0 255)  returns  5
(vle-rgb2aci 0 76 57)  returns 128
(vle-rgb2aci 16711680)  returns 5

Alias

Remarks

the vle-extension.lsp emulation for non-BricsCAD systems only supports the (vle-rgb2aci  red  green  blue) syntax !