get("#388") -- rect functions

get("#348") -- rgb functions

get("#430") -- makeIcon

get("#452") -- findGrid

get("#454") -- Java character reference

get("#433") -- iconDiff

function trimTable(tbl)

  for i = 1, #tbl do

    tbl[i] = tbl[i]:gsub(" +$", "")

  end

  while #tbl > 0 and tbl[#tbl] == "" do

    tbl[#tbl] = nil

  end

end

function recognizeChar(icon)

  local best, min

  for _, ic in ipairs(characterReference) do

    local c, reficon = unpack(ic)

    local diff

    if min ~= nil then

      diff = iconDiffWithLimit(icon, reficon, min, fw, fh)

    else

      diff = iconDiff(icon, reficon)

    end

    --print("c", c, "diff", diff, "reficon", reficon)

    if diff ~= nil and (min == nil or diff < min) then

      best, min = c, diff

    end

  end

  return best, min

end

findGrid()

tbl = {}

for yy = sy, h-fh, fh do

  line = {}

  for xx = sx, w-fw, fw do

    cropped = {width=fw, height=fh,

      getInt = function(x, y) return img.getInt(xx+x, yy+y) end}

    local icon = makeIcon(cropped)

    local c, diff = recognizeChar(icon)

    if maxdiff == nil or diff > maxdiff then

      maxdiff, maxc = diff, c

    end

    --print("c: "..tostring(c)..", diff: "..tostring(diff)..", icon: "..icon)

    table.insert(line, c or "?")

  end

  table.insert(tbl, table.concat(line))

end

trimTable(tbl)

print("maxdiff", maxdiff, "c", maxc)

return "Screen text:\n"..table.concat(tbl, "\n")