get("#388") -- rect functions

get("#348") -- rgb functions

get("#356") -- num2hex

get("#380") -- imageHash

get("#428") -- findContents

problem = findContents()

if problem then return problem end

fw, fh = 8, 17 -- font width/height

tw = math.floor((contents_x2-contents_x1)/fw+0.5)

th = math.floor((contents_y2-contents_y1)/fh+0.5)

print("Terminal size: "..tw.."*"..th)

tbl = {}

for y = 0, th-1 do

  for x = 0, tw-1 do

    -- +1 is one pixel smaller to allow strict comparison by hash

    xx, yy = contents_x1+x*fw+1, contents_y1+y*fh

    cropped = {width=fw-1, height=fh,

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

    hash = hashImage(cropped)

    --print(hash)

    table.insert(tbl, xx..", "..yy..", "..xx+cropped.width..", "..yy+fh.." -> "..hash)

  end

end

return "Characters with hashes: "..table.concat(tbl, "|")