- sdl-map-rgb sdl-pixel-format r g bprocedure
Returns a 32-bit integer representing the colour with the corresponding values of red (r), green (g) and blue (b) components according to the given sdl-pixel-format. Arguments r, g and b must be integers from 0 to 255 (#xFF). If the colour cannot be represented, the closest match is returned. If the surface supports transparency, fully opaque colour is returned.