source: trollforge/unsorted/old-trollforges/dsp-trollforge/Captcha/pwntcha-0.4/src/test.c @ 605 Tweet

/*
 * test.c: test captchas
 * $Id: test.c 41 2005-11-13 22:37:35Z sam $
 *
 * Copyright: (c) 2004 Sam Hocevar <sam@zoy.org>
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the Do What The Fuck You Want To
 *   Public License as published by Banlu Kemiyatorn. See
 *   http://sam.zoy.org/projects/COPYING.WTFPL for more details.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <math.h>

#include "config.h"
#include "common.h"

/* Main function */
char *decode_test(struct image *img)
{
    char *result;
    struct image *tmp;

    /* phpBB captchas have 6 characters */
    result = malloc(7 * sizeof(char));
    result[0] = 0;

    tmp = image_dup(img);
    filter_smooth(tmp);
    filter_median(tmp);
    filter_equalize(tmp, 130);
    filter_median(tmp);

    image_free(tmp);

    return result;
}

/* The following functions are local */