(*
* Copyright (c) 2005, 2006, 2007 Abram Hindle
*
* This file is part of CaptchaBreaker
* CaptchaBreaker is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
* Foobar is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*)
open Images;;
open OImages;;
open Abez;;
open Shape;;
open Captchas;;
let inverse bmp =
let height = bmp#height in
let width = bmp#width in
let out_bmp = new rgb24 width height in
let inverse_pixel p =
{ r = 255 - p.r; g = 255 - p.g; b = 255 - p.b }
in
for x = 0 to (width - 1) do
for y = 0 to (height - 1) do
out_bmp#unsafe_set x y (inverse_pixel (bmp#get x y));
done;
done;
out_bmp
;;
let inverse_main () = Captchas.generic_main "inverse" inverse;;