source: pwntcha/trunk/src/common.h @ 414

Last change on this file since 414 was 414, checked in by Sam Hocevar, 16 years ago
  • vbulletin captcha support.
  • Property svn:keywords set to Id
File size: 1.9 KB
Line 
1/*
2 * commin.h: common stuff
3 * $Id: common.h 414 2005-01-04 17:07:22Z sam $
4 *
5 * Copyright: (c) 2004 Sam Hocevar <sam@zoy.org>
6 *   This program is free software; you can redistribute it and/or
7 *   modify it under the terms of the Do What The Fuck You Want To
8 *   Public License as published by Banlu Kemiyatorn. See
9 *   http://sam.zoy.org/projects/COPYING.WTFPL for more details.
10 */
11
12/* image structure */
13struct image
14{
15    int width, height, pitch, channels;
16    unsigned char *pixels;
17    void *priv;
18};
19
20/* debug function */
21void dprintf(const char *fmt, ...);
22
23/* available CAPTCHA decoders */
24char *decode_phpbb(struct image *img);
25char *decode_scode(struct image *img);
26char *decode_slashdot(struct image *img);
27char *decode_vbulletin(struct image *img);
28char *decode_test(struct image *img);
29
30/* image operations */
31struct image *image_load(const char *name);
32struct image *image_new(int width, int height);
33void image_free(struct image *img);
34void image_save(struct image *img, const char *name);
35void image_display(struct image *img);
36int getgray(struct image *img, int x, int y, int *g);
37int getpixel(struct image *img, int x, int y, int *r, int *g, int *b);
38int setpixel(struct image *img, int x, int y, int r, int g, int b);
39
40/* image filters */
41void filter_flood_fill(struct image *img, int x, int y, int r, int g, int b);
42struct image *filter_fill_holes(struct image *img);
43struct image *filter_dup(struct image *img);
44struct image *filter_black_stuff(struct image *img);
45struct image *filter_detect_lines(struct image *img);
46struct image *filter_equalize(struct image *img, int threshold);
47struct image *filter_trick(struct image *img);
48struct image *filter_smooth(struct image *img);
49struct image *filter_median(struct image *img);
50struct image *filter_contrast(struct image *img);
51struct image *filter_crop(struct image *img,
52                          int xmin, int ymin, int xmax, int ymax);
53int filter_count(struct image *img);
54
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