get("#479") -- getcrop2

function docrop2(img)
  local x1, y1, x2, y2 = getcrop2(img)
  return {
    width = x2-x1,
    height = y2-y1,
    getInt = function(x, y)
      return img.getInt(x+x1, y+y1)
    end
  }
end