- /*
- * commin.h: common stuff
- * $Id$
- *
- * Copyright: (c) 2004 Sam Hocevar <sam@zoy.org>
- * This program is free software. It comes without any warranty, to
- * the extent permitted by applicable law. You can redistribute it
- * and/or modify it under the terms of the Do What The Fuck You Want
- * To Public License, Version 2, as published by Sam Hocevar. See
- * http://sam.zoy.org/wtfpl/COPYING for more details.
- */
-
- /* image structure */
- struct image
- {
- int width, height, pitch, channels;
- unsigned char *pixels;
- void *priv;
- };
-
- /* font structure */
- struct font
- {
- struct image *img;
- struct glyph
- {
- int xmin, xmax, ymin, ymax;
- int count; /* Black pixel count */
- char c;
- } *glyphs;
- int size;
- };
-
- /* global variables */
- extern char *argv0;
- extern char *share;
-
- /* debug function */
- void pwnprint(const char *fmt, ...);
-
- /* available CAPTCHA decoders */
- char *decode_authimage(struct image *img);
- char *decode_clubic(struct image *img);
- char *decode_linuxfr(struct image *img);
- char *decode_livejournal(struct image *img);
- char *decode_paypal(struct image *img);
- char *decode_phpbb(struct image *img);
- char *decode_scode(struct image *img);
- char *decode_slashdot(struct image *img);
- char *decode_tickets(struct image *img);
- char *decode_ticketmaster(struct image *img);
- char *decode_vbulletin(struct image *img);
- char *decode_xanga(struct image *img);
- char *decode_test(struct image *img);
-
- /* image operations */
- struct image *image_load(const char *name);
- struct image *image_new(int width, int height);
- struct image *image_dup(struct image *img);
- void image_free(struct image *img);
- void image_save(struct image *img, const char *name);
- void image_swap(struct image *img1, struct image *img2);
- int getgray(struct image *img, int x, int y, int *g);
- int getpixel(struct image *img, int x, int y, int *r, int *g, int *b);
- int setpixel(struct image *img, int x, int y, int r, int g, int b);
-
- /* font operations */
- struct font *font_load_fixed(char const *, char const *, char const *);
- struct font *font_load_variable(char const *, char const *, char const *);
- void font_free(struct font *);
-
- /* image filters */
- void filter_flood_fill(struct image *img, int x, int y, int r, int g, int b);
- void filter_fill_holes(struct image *img);
- void filter_scale(struct image *img, float ratio);
- void filter_black_stuff(struct image *img);
- void filter_detect_lines(struct image *img);
- void filter_threshold(struct image *img, int threshold);
- void filter_trick(struct image *img);
- void filter_smooth(struct image *img);
- void filter_median(struct image *img);
- void filter_contrast(struct image *img);
- void filter_crop(struct image *img, int xmin, int ymin, int xmax, int ymax);
- int filter_count(struct image *img);
-
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