2 * Copyright (C) 2009 Grigori Goronzy <greg@geekmind.org>
4 * This file is part of libass.
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.
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.
19 #ifndef LIBASS_DRAWING_H
20 #define LIBASS_DRAWING_H
27 #define DRAWING_INITIAL_SIZE 256
40 typedef struct ass_drawing_token {
43 struct ass_drawing_token *next;
44 struct ass_drawing_token *prev;
48 char *text; // drawing string
50 int scale; // scale (1-64) for subpixel accuracy
51 double pbo; // drawing will be shifted in y direction by this amount
52 double scale_x; // FontScaleX
53 double scale_y; // FontScaleY
55 int desc; // descender
56 FT_OutlineGlyph glyph; // the "fake" glyph created for later rendering
57 int hash; // hash value (for caching)
60 FT_Library ftlibrary; // needed for font ops
61 ASS_Font *font; // dito
62 void *fontconfig_priv; // dito
64 int size; // current buffer size
65 ASS_DrawingToken *tokens; // tokenized drawing
66 int max_points; // current maximum size
70 FT_BBox cbox; // bounding box, or let's say... VSFilter's idea of it
73 ASS_Drawing *ass_drawing_new(void *fontconfig_priv, ASS_Font *font,
75 void ass_drawing_free(ASS_Drawing* drawing);
76 void ass_drawing_add_char(ASS_Drawing* drawing, char symbol);
77 void ass_drawing_hash(ASS_Drawing* drawing);
78 FT_OutlineGlyph *ass_drawing_parse(ASS_Drawing *drawing, int raw_mode);
80 #endif /* LIBASS_DRAWING_H */