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Member "SDL2_ttf-2.20.2/external/freetype/src/autofit/afloader.h" (25 May 2022, 2273 Bytes) of package /linux/misc/SDL2_ttf-2.20.2.tar.gz:
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1 /****************************************************************************
2 *
3 * afloader.h
4 *
5 * Auto-fitter glyph loading routines (specification).
6 *
7 * Copyright (C) 2003-2022 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_DEF( 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 */