thirdparty/freetype-2.3.12/src/cff/cfftypes.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  cfftypes.h                                                             */
   4 /*                                                                         */
   5 /*    Basic OpenType/CFF type definitions and interface (specification     */
   6 /*    only).                                                               */
   7 /*                                                                         */
   8 /*  Copyright 1996-2001, 2002, 2003, 2006, 2007, 2008 by                   */
   9 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
  10 /*                                                                         */
  11 /*  This file is part of the FreeType project, and may only be used,       */
  12 /*  modified, and distributed under the terms of the FreeType project      */
  13 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  14 /*  this file you indicate that you have read the license and              */
  15 /*  understand and accept it fully.                                        */
  16 /*                                                                         */
  17 /***************************************************************************/
  18
  19
  20 #ifndef __CFFTYPES_H__
  21 #define __CFFTYPES_H__
  22
  23
  24 #include <ft2build.h>
  25 #include FT_FREETYPE_H
  26 #include FT_TYPE1_TABLES_H
  27
  28
  29 FT_BEGIN_HEADER
  30
  31
  32   /*************************************************************************/
  33   /*                                                                       */
  34   /* <Struct>                                                              */
  35   /*    CFF_IndexRec                                                       */
  36   /*                                                                       */
  37   /* <Description>                                                         */
  38   /*    A structure used to model a CFF Index table.                       */
  39   /*                                                                       */
  40   /* <Fields>                                                              */
  41   /*    stream      :: The source input stream.                            */
  42   /*                                                                       */
  43   /*    start       :: The position of the first index byte in the         */
  44   /*                   input stream.                                       */
  45   /*                                                                       */
  46   /*    count       :: The number of elements in the index.                */
  47   /*                                                                       */
  48   /*    off_size    :: The size in bytes of object offsets in index.       */
  49   /*                                                                       */
  50   /*    data_offset :: The position of first data byte in the index's      */
  51   /*                   bytes.                                              */
  52   /*                                                                       */
  53   /*    data_size   :: The size of the data table in this index.           */
  54   /*                                                                       */
  55   /*    offsets     :: A table of element offsets in the index.  Must be   */
  56   /*                   loaded explicitly.                                  */
  57   /*                                                                       */
  58   /*    bytes       :: If the index is loaded in memory, its bytes.        */
  59   /*                                                                       */
  60   typedef struct  CFF_IndexRec_
  61   {
  62     FT_Stream  stream;
  63     FT_ULong   start;
  64     FT_UInt    count;
  65     FT_Byte    off_size;
  66     FT_ULong   data_offset;
  67     FT_ULong   data_size;
  68
  69     FT_ULong*  offsets;
  70     FT_Byte*   bytes;
  71
  72   } CFF_IndexRec, *CFF_Index;
  73
  74
  75   typedef struct  CFF_EncodingRec_
  76   {
  77     FT_UInt     format;
  78     FT_ULong    offset;
  79
  80     FT_UInt     count;
  81     FT_UShort   sids [256];  /* avoid dynamic allocations */
  82     FT_UShort   codes[256];
  83
  84   } CFF_EncodingRec, *CFF_Encoding;
  85
  86
  87   typedef struct  CFF_CharsetRec_
  88   {
  89
  90     FT_UInt     format;
  91     FT_ULong    offset;
  92
  93     FT_UShort*  sids;
  94     FT_UShort*  cids;       /* the inverse mapping of `sids'; only needed */
  95                             /* for CID-keyed fonts                        */
  96     FT_UInt     max_cid;
  97     FT_UInt     num_glyphs;
  98
  99   } CFF_CharsetRec, *CFF_Charset;
 100
 101
 102   typedef struct  CFF_FontRecDictRec_
 103   {
 104     FT_UInt    version;
 105     FT_UInt    notice;
 106     FT_UInt    copyright;
 107     FT_UInt    full_name;
 108     FT_UInt    family_name;
 109     FT_UInt    weight;
 110     FT_Bool    is_fixed_pitch;
 111     FT_Fixed   italic_angle;
 112     FT_Fixed   underline_position;
 113     FT_Fixed   underline_thickness;
 114     FT_Int     paint_type;
 115     FT_Int     charstring_type;
 116     FT_Matrix  font_matrix;
 117     FT_ULong   units_per_em;  /* temporarily used as scaling value also */
 118     FT_Vector  font_offset;
 119     FT_ULong   unique_id;
 120     FT_BBox    font_bbox;
 121     FT_Pos     stroke_width;
 122     FT_ULong   charset_offset;
 123     FT_ULong   encoding_offset;
 124     FT_ULong   charstrings_offset;
 125     FT_ULong   private_offset;
 126     FT_ULong   private_size;
 127     FT_Long    synthetic_base;
 128     FT_UInt    embedded_postscript;
 129
 130     /* these should only be used for the top-level font dictionary */
 131     FT_UInt    cid_registry;
 132     FT_UInt    cid_ordering;
 133     FT_Long    cid_supplement;
 134
 135     FT_Long    cid_font_version;
 136     FT_Long    cid_font_revision;
 137     FT_Long    cid_font_type;
 138     FT_ULong   cid_count;
 139     FT_ULong   cid_uid_base;
 140     FT_ULong   cid_fd_array_offset;
 141     FT_ULong   cid_fd_select_offset;
 142     FT_UInt    cid_font_name;
 143
 144   } CFF_FontRecDictRec, *CFF_FontRecDict;
 145
 146
 147   typedef struct  CFF_PrivateRec_
 148   {
 149     FT_Byte   num_blue_values;
 150     FT_Byte   num_other_blues;
 151     FT_Byte   num_family_blues;
 152     FT_Byte   num_family_other_blues;
 153
 154     FT_Pos    blue_values[14];
 155     FT_Pos    other_blues[10];
 156     FT_Pos    family_blues[14];
 157     FT_Pos    family_other_blues[10];
 158
 159     FT_Fixed  blue_scale;
 160     FT_Pos    blue_shift;
 161     FT_Pos    blue_fuzz;
 162     FT_Pos    standard_width;
 163     FT_Pos    standard_height;
 164
 165     FT_Byte   num_snap_widths;
 166     FT_Byte   num_snap_heights;
 167     FT_Pos    snap_widths[13];
 168     FT_Pos    snap_heights[13];
 169     FT_Bool   force_bold;
 170     FT_Fixed  force_bold_threshold;
 171     FT_Int    lenIV;
 172     FT_Int    language_group;
 173     FT_Fixed  expansion_factor;
 174     FT_Long   initial_random_seed;
 175     FT_ULong  local_subrs_offset;
 176     FT_Pos    default_width;
 177     FT_Pos    nominal_width;
 178
 179   } CFF_PrivateRec, *CFF_Private;
 180
 181
 182   typedef struct  CFF_FDSelectRec_
 183   {
 184     FT_Byte   format;
 185     FT_UInt   range_count;
 186
 187     /* that's the table, taken from the file `as is' */
 188     FT_Byte*  data;
 189     FT_UInt   data_size;
 190
 191     /* small cache for format 3 only */
 192     FT_UInt   cache_first;
 193     FT_UInt   cache_count;
 194     FT_Byte   cache_fd;
 195
 196   } CFF_FDSelectRec, *CFF_FDSelect;
 197
 198
 199   /* A SubFont packs a font dict and a private dict together.  They are */
 200   /* needed to support CID-keyed CFF fonts.                             */
 201   typedef struct  CFF_SubFontRec_
 202   {
 203     CFF_FontRecDictRec  font_dict;
 204     CFF_PrivateRec      private_dict;
 205
 206     CFF_IndexRec        local_subrs_index;
 207     FT_UInt             num_local_subrs;
 208     FT_Byte**           local_subrs;
 209
 210   } CFF_SubFontRec, *CFF_SubFont;
 211
 212
 213   /* maximum number of sub-fonts in a CID-keyed file */
 214 #define CFF_MAX_CID_FONTS  32
 215
 216
 217   typedef struct  CFF_FontRec_
 218   {
 219     FT_Stream        stream;
 220     FT_Memory        memory;
 221     FT_UInt          num_faces;
 222     FT_UInt          num_glyphs;
 223
 224     FT_Byte          version_major;
 225     FT_Byte          version_minor;
 226     FT_Byte          header_size;
 227     FT_Byte          absolute_offsize;
 228
 229
 230     CFF_IndexRec     name_index;
 231     CFF_IndexRec     top_dict_index;
 232     CFF_IndexRec     string_index;
 233     CFF_IndexRec     global_subrs_index;
 234
 235     CFF_EncodingRec  encoding;
 236     CFF_CharsetRec   charset;
 237
 238     CFF_IndexRec     charstrings_index;
 239     CFF_IndexRec     font_dict_index;
 240     CFF_IndexRec     private_index;
 241     CFF_IndexRec     local_subrs_index;
 242
 243     FT_String*       font_name;
 244     FT_UInt          num_global_subrs;
 245     FT_Byte**        global_subrs;
 246
 247     CFF_SubFontRec   top_font;
 248     FT_UInt          num_subfonts;
 249     CFF_SubFont      subfonts[CFF_MAX_CID_FONTS];
 250
 251     CFF_FDSelectRec  fd_select;
 252
 253     /* interface to PostScript hinter */
 254     void*            pshinter;
 255
 256     /* interface to Postscript Names service */
 257     void*            psnames;
 258
 259     /* since version 2.3.0 */
 260     PS_FontInfoRec*  font_info;   /* font info dictionary */
 261
 262     /* since version 2.3.6 */
 263     FT_String*       registry;
 264     FT_String*       ordering;
 265
 266   } CFF_FontRec, *CFF_Font;
 267
 268
 269 FT_END_HEADER
 270
 271 #endif /* __CFFTYPES_H__ */
 272
 273
 274 /* END */