1/***************************************************************************/
2/*                                                                         */
3/*  afloader.h                                                             */
4/*                                                                         */
5/*    Auto-fitter glyph loading routines (specification).                  */
6/*                                                                         */
7/*  Copyright 2003-2005, 2011-2012 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 "afglobal.h"
24
25
26FT_BEGIN_HEADER
27
28  typedef struct AF_ModuleRec_*  AF_Module;
29
30  /*
31   *  The autofitter module's (global) data structure to communicate with
32   *  actual fonts.  If necessary, `local' data like the current face, the
33   *  current face's auto-hint data, or the current glyph's parameters
34   *  relevant to auto-hinting are `swapped in'.  Cf. functions like
35   *  `af_loader_reset' and `af_loader_load_g'.
36   */
37
38  typedef struct  AF_LoaderRec_
39  {
40    /* current face data */
41    FT_Face           face;
42    AF_FaceGlobals    globals;
43
44    /* current glyph data */
45    FT_GlyphLoader    gloader;
46    AF_GlyphHintsRec  hints;
47    AF_ScriptMetrics  metrics;
48    FT_Bool           transformed;
49    FT_Matrix         trans_matrix;
50    FT_Vector         trans_delta;
51    FT_Vector         pp1;
52    FT_Vector         pp2;
53    /* we don't handle vertical phantom points */
54
55  } AF_LoaderRec, *AF_Loader;
56
57
58  FT_LOCAL( FT_Error )
59  af_loader_init( AF_Module  module );
60
61
62  FT_LOCAL( FT_Error )
63  af_loader_reset( AF_Module  module,
64                   FT_Face    face );
65
66
67  FT_LOCAL( void )
68  af_loader_done( AF_Module  module );
69
70
71  FT_LOCAL( FT_Error )
72  af_loader_load_glyph( AF_Module  module,
73                        FT_Face    face,
74                        FT_UInt    gindex,
75                        FT_Int32   load_flags );
76
77/* */
78
79
80FT_END_HEADER
81
82#endif /* __AFLOADER_H__ */
83
84
85/* END */
86