1 | /**************************************************************************** |
2 | * |
3 | * afloader.h |
4 | * |
5 | * Auto-fitter glyph loading routines (specification). |
6 | * |
7 | * Copyright (C) 2003-2023 by |
8 | * David Turner, Robert Wilhelm, and Werner Lemberg. |
9 | * |
10 | * This file is part of the FreeType project, and may only be used, |
11 | * modified, and distributed under the terms of the FreeType project |
12 | * license, LICENSE.TXT. By continuing to use, modify, or distribute |
13 | * this file you indicate that you have read the license and |
14 | * understand and accept it fully. |
15 | * |
16 | */ |
17 | |
18 | |
19 | #ifndef AFLOADER_H_ |
20 | #define AFLOADER_H_ |
21 | |
22 | #include "afhints.h" |
23 | #include "afmodule.h" |
24 | #include "afglobal.h" |
25 | |
26 | |
27 | FT_BEGIN_HEADER |
28 | |
29 | /* |
30 | * The autofitter module's (global) data structure to communicate with |
31 | * actual fonts. If necessary, `local' data like the current face, the |
32 | * current face's auto-hint data, or the current glyph's parameters |
33 | * relevant to auto-hinting are `swapped in'. Cf. functions like |
34 | * `af_loader_reset' and `af_loader_load_g'. |
35 | */ |
36 | |
37 | typedef struct AF_LoaderRec_ |
38 | { |
39 | /* current face data */ |
40 | FT_Face face; |
41 | AF_FaceGlobals globals; |
42 | |
43 | /* current glyph data */ |
44 | AF_GlyphHints hints; |
45 | AF_StyleMetrics metrics; |
46 | FT_Bool transformed; |
47 | FT_Matrix trans_matrix; |
48 | FT_Vector trans_delta; |
49 | FT_Vector pp1; |
50 | FT_Vector pp2; |
51 | /* we don't handle vertical phantom points */ |
52 | |
53 | } AF_LoaderRec, *AF_Loader; |
54 | |
55 | |
56 | FT_LOCAL( void ) |
57 | af_loader_init( AF_Loader loader, |
58 | AF_GlyphHints hints ); |
59 | |
60 | |
61 | FT_LOCAL( FT_Error ) |
62 | af_loader_reset( AF_Loader loader, |
63 | AF_Module module, |
64 | FT_Face face ); |
65 | |
66 | |
67 | FT_LOCAL( void ) |
68 | af_loader_done( AF_Loader loader ); |
69 | |
70 | |
71 | FT_LOCAL( FT_Error ) |
72 | af_loader_load_glyph( AF_Loader loader, |
73 | AF_Module module, |
74 | FT_Face face, |
75 | FT_UInt gindex, |
76 | FT_Int32 load_flags ); |
77 | |
78 | FT_LOCAL( FT_Fixed ) |
79 | af_loader_compute_darkening( AF_Loader loader, |
80 | FT_Face face, |
81 | FT_Pos standard_width ); |
82 | |
83 | /* */ |
84 | |
85 | |
86 | FT_END_HEADER |
87 | |
88 | #endif /* AFLOADER_H_ */ |
89 | |
90 | |
91 | /* END */ |
92 | |