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 */ 275
