misc/libfreetype/include/freetype/internal/t1types.h
changeset 9431 0f5961910e27
parent 9357 a501f5ec7b34
parent 9429 7a97a554ac80
child 9433 f0a8ac191839
equal deleted inserted replaced
9357:a501f5ec7b34 9431:0f5961910e27
     1 /***************************************************************************/
       
     2 /*                                                                         */
       
     3 /*  t1types.h                                                              */
       
     4 /*                                                                         */
       
     5 /*    Basic Type1/Type2 type definitions and interface (specification      */
       
     6 /*    only).                                                               */
       
     7 /*                                                                         */
       
     8 /*  Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008, 2009 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 <ft2build.h>
       
    25 #include FT_TYPE1_TABLES_H
       
    26 #include FT_INTERNAL_POSTSCRIPT_HINTS_H
       
    27 #include FT_INTERNAL_SERVICE_H
       
    28 #include FT_SERVICE_POSTSCRIPT_CMAPS_H
       
    29 
       
    30 
       
    31 FT_BEGIN_HEADER
       
    32 
       
    33 
       
    34   /*************************************************************************/
       
    35   /*************************************************************************/
       
    36   /*************************************************************************/
       
    37   /***                                                                   ***/
       
    38   /***                                                                   ***/
       
    39   /***              REQUIRED TYPE1/TYPE2 TABLES DEFINITIONS              ***/
       
    40   /***                                                                   ***/
       
    41   /***                                                                   ***/
       
    42   /*************************************************************************/
       
    43   /*************************************************************************/
       
    44   /*************************************************************************/
       
    45 
       
    46 
       
    47   /*************************************************************************/
       
    48   /*                                                                       */
       
    49   /* <Struct>                                                              */
       
    50   /*    T1_EncodingRec                                                     */
       
    51   /*                                                                       */
       
    52   /* <Description>                                                         */
       
    53   /*    A structure modeling a custom encoding.                            */
       
    54   /*                                                                       */
       
    55   /* <Fields>                                                              */
       
    56   /*    num_chars  :: The number of character codes in the encoding.       */
       
    57   /*                  Usually 256.                                         */
       
    58   /*                                                                       */
       
    59   /*    code_first :: The lowest valid character code in the encoding.     */
       
    60   /*                                                                       */
       
    61   /*    code_last  :: The highest valid character code in the encoding     */
       
    62   /*                  + 1. When equal to code_first there are no valid     */
       
    63   /*                  character codes.                                     */
       
    64   /*                                                                       */
       
    65   /*    char_index :: An array of corresponding glyph indices.             */
       
    66   /*                                                                       */
       
    67   /*    char_name  :: An array of corresponding glyph names.               */
       
    68   /*                                                                       */
       
    69   typedef struct  T1_EncodingRecRec_
       
    70   {
       
    71     FT_Int       num_chars;
       
    72     FT_Int       code_first;
       
    73     FT_Int       code_last;
       
    74 
       
    75     FT_UShort*   char_index;
       
    76     FT_String**  char_name;
       
    77 
       
    78   } T1_EncodingRec, *T1_Encoding;
       
    79 
       
    80 
       
    81   typedef enum  T1_EncodingType_
       
    82   {
       
    83     T1_ENCODING_TYPE_NONE = 0,
       
    84     T1_ENCODING_TYPE_ARRAY,
       
    85     T1_ENCODING_TYPE_STANDARD,
       
    86     T1_ENCODING_TYPE_ISOLATIN1,
       
    87     T1_ENCODING_TYPE_EXPERT
       
    88 
       
    89   } T1_EncodingType;
       
    90 
       
    91 
       
    92   /* used to hold extra data of PS_FontInfoRec that
       
    93    * cannot be stored in the publicly defined structure.
       
    94    *
       
    95    * Note these can't be blended with multiple-masters.
       
    96    */
       
    97   typedef struct  PS_FontExtraRec_
       
    98   {
       
    99     FT_UShort  fs_type;
       
   100 
       
   101   } PS_FontExtraRec;
       
   102 
       
   103 
       
   104   typedef struct  T1_FontRec_
       
   105   {
       
   106     PS_FontInfoRec   font_info;         /* font info dictionary   */
       
   107     PS_FontExtraRec  font_extra;        /* font info extra fields */
       
   108     PS_PrivateRec    private_dict;      /* private dictionary     */
       
   109     FT_String*       font_name;         /* top-level dictionary   */
       
   110 
       
   111     T1_EncodingType  encoding_type;
       
   112     T1_EncodingRec   encoding;
       
   113 
       
   114     FT_Byte*         subrs_block;
       
   115     FT_Byte*         charstrings_block;
       
   116     FT_Byte*         glyph_names_block;
       
   117 
       
   118     FT_Int           num_subrs;
       
   119     FT_Byte**        subrs;
       
   120     FT_PtrDist*      subrs_len;
       
   121 
       
   122     FT_Int           num_glyphs;
       
   123     FT_String**      glyph_names;       /* array of glyph names       */
       
   124     FT_Byte**        charstrings;       /* array of glyph charstrings */
       
   125     FT_PtrDist*      charstrings_len;
       
   126 
       
   127     FT_Byte          paint_type;
       
   128     FT_Byte          font_type;
       
   129     FT_Matrix        font_matrix;
       
   130     FT_Vector        font_offset;
       
   131     FT_BBox          font_bbox;
       
   132     FT_Long          font_id;
       
   133 
       
   134     FT_Fixed         stroke_width;
       
   135 
       
   136   } T1_FontRec, *T1_Font;
       
   137 
       
   138 
       
   139   typedef struct  CID_SubrsRec_
       
   140   {
       
   141     FT_UInt    num_subrs;
       
   142     FT_Byte**  code;
       
   143 
       
   144   } CID_SubrsRec, *CID_Subrs;
       
   145 
       
   146 
       
   147   /*************************************************************************/
       
   148   /*************************************************************************/
       
   149   /*************************************************************************/
       
   150   /***                                                                   ***/
       
   151   /***                                                                   ***/
       
   152   /***                AFM FONT INFORMATION STRUCTURES                    ***/
       
   153   /***                                                                   ***/
       
   154   /***                                                                   ***/
       
   155   /*************************************************************************/
       
   156   /*************************************************************************/
       
   157   /*************************************************************************/
       
   158 
       
   159   typedef struct  AFM_TrackKernRec_
       
   160   {
       
   161     FT_Int    degree;
       
   162     FT_Fixed  min_ptsize;
       
   163     FT_Fixed  min_kern;
       
   164     FT_Fixed  max_ptsize;
       
   165     FT_Fixed  max_kern;
       
   166 
       
   167   } AFM_TrackKernRec, *AFM_TrackKern;
       
   168 
       
   169   typedef struct  AFM_KernPairRec_
       
   170   {
       
   171     FT_Int  index1;
       
   172     FT_Int  index2;
       
   173     FT_Int  x;
       
   174     FT_Int  y;
       
   175 
       
   176   } AFM_KernPairRec, *AFM_KernPair;
       
   177 
       
   178   typedef struct  AFM_FontInfoRec_
       
   179   {
       
   180     FT_Bool        IsCIDFont;
       
   181     FT_BBox        FontBBox;
       
   182     FT_Fixed       Ascender;
       
   183     FT_Fixed       Descender;
       
   184     AFM_TrackKern  TrackKerns;   /* free if non-NULL */
       
   185     FT_Int         NumTrackKern;
       
   186     AFM_KernPair   KernPairs;    /* free if non-NULL */
       
   187     FT_Int         NumKernPair;
       
   188 
       
   189   } AFM_FontInfoRec, *AFM_FontInfo;
       
   190 
       
   191 
       
   192   /*************************************************************************/
       
   193   /*************************************************************************/
       
   194   /*************************************************************************/
       
   195   /***                                                                   ***/
       
   196   /***                                                                   ***/
       
   197   /***                ORIGINAL T1_FACE CLASS DEFINITION                  ***/
       
   198   /***                                                                   ***/
       
   199   /***                                                                   ***/
       
   200   /*************************************************************************/
       
   201   /*************************************************************************/
       
   202   /*************************************************************************/
       
   203 
       
   204 
       
   205   typedef struct T1_FaceRec_*   T1_Face;
       
   206   typedef struct CID_FaceRec_*  CID_Face;
       
   207 
       
   208 
       
   209   typedef struct  T1_FaceRec_
       
   210   {
       
   211     FT_FaceRec      root;
       
   212     T1_FontRec      type1;
       
   213     const void*     psnames;
       
   214     const void*     psaux;
       
   215     const void*     afm_data;
       
   216     FT_CharMapRec   charmaprecs[2];
       
   217     FT_CharMap      charmaps[2];
       
   218 
       
   219 #ifdef FT_CONFIG_OPTION_OLD_INTERNALS
       
   220     PS_Unicodes     unicode_map;
       
   221 #endif
       
   222 
       
   223     /* support for Multiple Masters fonts */
       
   224     PS_Blend        blend;
       
   225 
       
   226     /* undocumented, optional: indices of subroutines that express      */
       
   227     /* the NormalizeDesignVector and the ConvertDesignVector procedure, */
       
   228     /* respectively, as Type 2 charstrings; -1 if keywords not present  */
       
   229     FT_Int           ndv_idx;
       
   230     FT_Int           cdv_idx;
       
   231 
       
   232     /* undocumented, optional: has the same meaning as len_buildchar */
       
   233     /* for Type 2 fonts; manipulated by othersubrs 19, 24, and 25    */
       
   234     FT_UInt          len_buildchar;
       
   235     FT_Long*         buildchar;
       
   236 
       
   237     /* since version 2.1 - interface to PostScript hinter */
       
   238     const void*     pshinter;
       
   239 
       
   240   } T1_FaceRec;
       
   241 
       
   242 
       
   243   typedef struct  CID_FaceRec_
       
   244   {
       
   245     FT_FaceRec       root;
       
   246     void*            psnames;
       
   247     void*            psaux;
       
   248     CID_FaceInfoRec  cid;
       
   249     PS_FontExtraRec  font_extra;
       
   250 #if 0
       
   251     void*            afm_data;
       
   252 #endif
       
   253     CID_Subrs        subrs;
       
   254 
       
   255     /* since version 2.1 - interface to PostScript hinter */
       
   256     void*            pshinter;
       
   257 
       
   258     /* since version 2.1.8, but was originally positioned after `afm_data' */
       
   259     FT_Byte*         binary_data; /* used if hex data has been converted */
       
   260     FT_Stream        cid_stream;
       
   261 
       
   262   } CID_FaceRec;
       
   263 
       
   264 
       
   265 FT_END_HEADER
       
   266 
       
   267 #endif /* __T1TYPES_H__ */
       
   268 
       
   269 
       
   270 /* END */