get("#348") -- rgb functions

--x, y, w, h = 54, img.height-19, 20, 17
x, y, w, h = 0, 0, img.width, img.height -- full image

for yy=y, y+h-1 do
  s = ""
  for xx=x, x+w-1 do
    pix = img.getInt(xx, yy)
    b = math.floor(bright(rgb(pix))*25+0.5)
    s = s..string.char(string.byte("A")+b)
  end
  print(s)
end