FastLED 3.9.15
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◆ distanceAA_LUT

const fl::u8 fl::gfx::detail::distanceAA_LUT[256]
extern

Distance antialiasing lookup table Maps normalized squared distance d²/r_max² (scaled 0..255) to brightness byte Entry i = round(255 * max(0, 1 - sqrt(i/255))) PROGMEM on embedded platforms, regular array on host.

Referenced by FL_ALIGN_PROGMEM(), and renderStrokeRow().