libass/ass_parse.h

   1 /*
   2  * Copyright (C) 2009 Grigori Goronzy <greg@geekmind.org>
   3  *
   4  * This file is part of libass.
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #ifndef LIBASS_PARSE_H
  20 #define LIBASS_PARSE_H
  21
  22 #define BLUR_MAX_RADIUS 100.0
  23
  24 #define _r(c)   ((c) >> 24)
  25 #define _g(c)   (((c) >> 16) & 0xFF)
  26 #define _b(c)   (((c) >> 8) & 0xFF)
  27 #define _a(c)   ((c) & 0xFF)
  28
  29 void update_font(ASS_Renderer *render_priv);
  30 double ensure_font_size(ASS_Renderer *priv, double size);
  31 void change_border(ASS_Renderer *render_priv, double border_x,
  32                    double border_y);
  33 void apply_transition_effects(ASS_Renderer *render_priv, ASS_Event *event);
  34 void process_karaoke_effects(ASS_Renderer *render_priv);
  35 unsigned get_next_char(ASS_Renderer *render_priv, char **str);
  36 extern void change_alpha(uint32_t *var, uint32_t new, double pwr);
  37 extern uint32_t mult_alpha(uint32_t a, uint32_t b);
  38
  39
  40 #endif /* LIBASS_PARSE_H */