src/freetype/freetype/internal/t1types.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  t1types.h                                                              */
   4 /*                                                                         */
   5 /*    Basic Type1/Type2 type definitions and interface (specification      */
   6 /*    only).                                                               */
   7 /*                                                                         */
   8 /*  Copyright 1996-2000 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 T1TYPES_H
  21 #define T1TYPES_H
  22
  23
  24 #include <freetype/t1tables.h>
  25 #include <freetype/internal/psnames.h>
  26
  27
  28   /*************************************************************************/
  29   /*************************************************************************/
  30   /*************************************************************************/
  31   /***                                                                   ***/
  32   /***                                                                   ***/
  33   /***              REQUIRED TYPE1/TYPE2 TABLES DEFINITIONS              ***/
  34   /***                                                                   ***/
  35   /***                                                                   ***/
  36   /*************************************************************************/
  37   /*************************************************************************/
  38   /*************************************************************************/
  39
  40
  41   /*************************************************************************/
  42   /*                                                                       */
  43   /* <Struct>                                                              */
  44   /*    T1_Encoding                                                        */
  45   /*                                                                       */
  46   /* <Description>                                                         */
  47   /*    A structure modeling a custom encoding                             */
  48   /*                                                                       */
  49   /* <Fields>                                                              */
  50   /*    num_chars  :: The number of character codes in the encoding.       */
  51   /*                  Usually 256.                                         */
  52   /*                                                                       */
  53   /*    code_first :: The lowest valid character code in the encoding.     */
  54   /*                                                                       */
  55   /*    code_last  :: The highest valid character code in the encoding.    */
  56   /*                                                                       */
  57   /*    char_index :: An array of corresponding glyph indices.             */
  58   /*                                                                       */
  59   /*    char_name  :: An array of corresponding glyph names.               */
  60   /*                                                                       */
  61   typedef struct  T1_Encoding_
  62   {
  63     FT_Int       num_chars;
  64     FT_Int       code_first;
  65     FT_Int       code_last;
  66
  67     FT_UShort*   char_index;
  68     FT_String**  char_name;
  69
  70   } T1_Encoding;
  71
  72
  73   typedef enum  T1_EncodingType_
  74   {
  75         t1_encoding_none = 0,
  76         t1_encoding_array,
  77         t1_encoding_standard,
  78         t1_encoding_expert
  79
  80   } T1_EncodingType;
  81
  82
  83   typedef struct  T1_Font_
  84   {
  85
  86     /* font info dictionary */
  87     T1_FontInfo      font_info;
  88
  89     /* private dictionary */
  90     T1_Private       private_dict;
  91
  92     /* top-level dictionary */
  93     FT_String*       font_name;
  94
  95     T1_EncodingType  encoding_type;
  96     T1_Encoding      encoding;
  97
  98     FT_Byte*         subrs_block;
  99     FT_Byte*         charstrings_block;
 100     FT_Byte*         glyph_names_block;
 101
 102     FT_Int           num_subrs;
 103     FT_Byte**        subrs;
 104     FT_Int*          subrs_len;
 105
 106     FT_Int           num_glyphs;
 107     FT_String**      glyph_names;       /* array of glyph names       */
 108     FT_Byte**        charstrings;       /* array of glyph charstrings */
 109     FT_Int*          charstrings_len;
 110
 111     FT_Byte          paint_type;
 112     FT_Byte          font_type;
 113     FT_Matrix        font_matrix;
 114     FT_BBox          font_bbox;
 115     FT_Long          font_id;
 116
 117     FT_Int           stroke_width;
 118
 119   } T1_Font;
 120
 121
 122   typedef struct  CID_Subrs_
 123   {
 124     FT_UInt    num_subrs;
 125     FT_Byte**  code;
 126
 127   } CID_Subrs;
 128
 129
 130   /*************************************************************************/
 131   /*************************************************************************/
 132   /*************************************************************************/
 133   /***                                                                   ***/
 134   /***                                                                   ***/
 135   /***                ORIGINAL T1_FACE CLASS DEFINITION                  ***/
 136   /***                                                                   ***/
 137   /***                                                                   ***/
 138   /*************************************************************************/
 139   /*************************************************************************/
 140   /*************************************************************************/
 141
 142
 143   /*************************************************************************/
 144   /*                                                                       */
 145   /* This structure/class is defined here because it is common to the      */
 146   /* following formats: TTF, OpenType-TT, and OpenType-CFF.                */
 147   /*                                                                       */
 148   /* Note, however, that the classes TT_Size, TT_GlyphSlot, and TT_CharMap */
 149   /* are not shared between font drivers, and are thus defined normally in */
 150   /* `ttobjs.h'.                                                           */
 151   /*                                                                       */
 152   /*************************************************************************/
 153
 154   typedef struct T1_FaceRec_*   T1_Face;
 155   typedef struct CID_FaceRec_*  CID_Face;
 156
 157
 158   typedef struct  T1_FaceRec_
 159   {
 160     FT_FaceRec     root;
 161     T1_Font        type1;
 162     void*          psnames;
 163     void*          afm_data;
 164     FT_CharMapRec  charmaprecs[2];
 165     FT_CharMap     charmaps[2];
 166     PS_Unicodes    unicode_map;
 167
 168     /* support for Multiple Masters fonts */
 169     T1_Blend*      blend;
 170
 171   } T1_FaceRec;
 172
 173
 174   typedef struct  CID_FaceRec_
 175   {
 176     FT_FaceRec  root;
 177     void*       psnames;
 178     CID_Info    cid;
 179     void*       afm_data;
 180     CID_Subrs*  subrs;
 181
 182   } CID_FaceRec;
 183
 184
 185 #endif /* T1TYPES_H */
 186
 187
 188 /* END */