1 /***************************************************************************/
2 /*                                                                         */
3 /*  afloader.h                                                             */
4 /*                                                                         */
5 /*    Auto-fitter glyph loading routines (specification).                  */
6 /*                                                                         */
7 /*  Copyright 2003-2015 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 /* */
79 
80 
81 FT_END_HEADER
82 
83 #endif /* __AFLOADER_H__ */
84 
85 
86 /* END */
87