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
27FT_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
81FT_END_HEADER
82
83#endif /* __AFLOADER_H__ */
84
85
86/* END */
87