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1 /****************************************************************************
2  *
3  * t1load.h
4  *
5  *   Type 1 font loader (specification).
6  *
7  * Copyright (C) 1996-2019 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 T1LOAD_H_
20 #define T1LOAD_H_
21 
22 
23 #include <ft2build.h>
24 #include FT_INTERNAL_STREAM_H
25 #include FT_INTERNAL_POSTSCRIPT_AUX_H
26 #include FT_MULTIPLE_MASTERS_H
27 
28 #include "t1parse.h"
29 
30 
31 FT_BEGIN_HEADER
32 
33 
34   typedef struct  T1_Loader_
35   {
36     T1_ParserRec  parser;          /* parser used to read the stream */
37 
38     FT_Int        num_chars;       /* number of characters in encoding */
39     PS_TableRec   encoding_table;  /* PS_Table used to store the       */
40                                    /* encoding character names         */
41 
42     FT_Int        num_glyphs;
43     PS_TableRec   glyph_names;
44     PS_TableRec   charstrings;
45     PS_TableRec   swap_table;      /* For moving .notdef glyph to index 0. */
46 
47     FT_Int        num_subrs;
48     PS_TableRec   subrs;
49     FT_Hash       subrs_hash;
50     FT_Bool       fontdata;
51 
52     FT_UInt       keywords_encountered; /* T1_LOADER_ENCOUNTERED_XXX */
53 
54   } T1_LoaderRec, *T1_Loader;
55 
56 
57   /* treatment of some keywords differs depending on whether */
58   /* they precede or follow certain other keywords           */
59 
60 #define T1_PRIVATE                ( 1 << 0 )
61 #define T1_FONTDIR_AFTER_PRIVATE  ( 1 << 1 )
62 
63 
64   FT_LOCAL( FT_Error )
65   T1_Open_Face( T1_Face  face );
66 
67 #ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT
68 
69   FT_LOCAL( FT_Error )
70   T1_Get_Multi_Master( T1_Face           face,
71                        FT_Multi_Master*  master );
72 
73   FT_LOCAL( FT_Error )
74   T1_Get_MM_Var( T1_Face      face,
75                  FT_MM_Var*  *master );
76 
77   FT_LOCAL( FT_Error )
78   T1_Set_MM_Blend( T1_Face    face,
79                    FT_UInt    num_coords,
80                    FT_Fixed*  coords );
81 
82   FT_LOCAL( FT_Error )
83   T1_Get_MM_Blend( T1_Face    face,
84                    FT_UInt    num_coords,
85                    FT_Fixed*  coords );
86 
87   FT_LOCAL( FT_Error )
88   T1_Set_MM_Design( T1_Face   face,
89                     FT_UInt   num_coords,
90                     FT_Long*  coords );
91 
92   FT_LOCAL( FT_Error )
93   T1_Reset_MM_Blend( T1_Face  face,
94                      FT_UInt  instance_index );
95 
96   FT_LOCAL( FT_Error )
97   T1_Get_Var_Design( T1_Face    face,
98                      FT_UInt    num_coords,
99                      FT_Fixed*  coords );
100 
101   FT_LOCAL( FT_Error )
102   T1_Set_Var_Design( T1_Face    face,
103                      FT_UInt    num_coords,
104                      FT_Fixed*  coords );
105 
106   FT_LOCAL( void )
107   T1_Done_Blend( T1_Face  face );
108 
109   FT_LOCAL( FT_Error )
110   T1_Set_MM_WeightVector( T1_Face    face,
111                           FT_UInt    len,
112                           FT_Fixed*  weightvector );
113 
114   FT_LOCAL( FT_Error )
115   T1_Get_MM_WeightVector( T1_Face    face,
116                           FT_UInt*   len,
117                           FT_Fixed*  weightvector );
118 
119 #endif /* !T1_CONFIG_OPTION_NO_MM_SUPPORT */
120 
121 
122 FT_END_HEADER
123 
124 #endif /* T1LOAD_H_ */
125 
126 
127 /* END */
128