1 /****************************************************************************
   2  *
   3  * t1load.h
   4  *
   5  *   Type 1 font loader (specification).
   6  *
   7  * Copyright (C) 1996-2020 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 */