/***************************************************************************//* *//* tttypes.h *//* *//* Basic SFNT/TrueType type definitions and interface (specification *//* only). *//* *//* Copyright 1996-2001, 2002 by *//* David Turner, Robert Wilhelm, and Werner Lemberg. *//* *//* This file is part of the FreeType project, and may only be used, *//* modified, and distributed under the terms of the FreeType project *//* license, LICENSE.TXT. By continuing to use, modify, or distribute *//* this file you indicate that you have read the license and *//* understand and accept it fully. *//* *//***************************************************************************/ #ifndef __TTTYPES_H__#define __TTTYPES_H__ #include <ft2build.h>#include FT_TRUETYPE_TABLES_H#include FT_INTERNAL_OBJECTS_H FT_BEGIN_HEADER /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** REQUIRED TRUETYPE/OPENTYPE TABLES DEFINITIONS ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /* */ /* <Struct> */ /* TTC_HeaderRec */ /* */ /* <Description> */ /* TrueType collection header. This table contains the offsets of */ /* the font headers of each distinct TrueType face in the file. */ /* */ /* <Fields> */ /* tag :: Must be `ttc ' to indicate a TrueType collection. */ /* */ /* version :: The version number. */ /* */ /* count :: The number of faces in the collection. The */ /* specification says this should be an unsigned long, but */ /* we use a signed long since we need the value -1 for */ /* specific purposes. */ /* */ /* offsets :: The offsets of the font headers, one per face. */ /* */ typedef struct TTC_HeaderRec_ { FT_ULong tag; FT_Fixed version; FT_Long count; FT_ULong* offsets; } TTC_HeaderRec; /*************************************************************************/ /* */ /* <Struct> */ /* SFNT_HeaderRec */ /* */ /* <Description> */ /* SFNT file format header. */ /* */ /* <Fields> */ /* format_tag :: The font format tag. */ /* */ /* num_tables :: The number of tables in file. */ /* */ /* search_range :: Must be `16 * (max power of 2 <= num_tables)'. */ /* */ /* entry_selector :: Must be log2 of `search_range / 16'. */ /* */ /* range_shift :: Must be `num_tables * 16 - search_range'. */ /* */ typedef struct SFNT_HeaderRec_ { FT_ULong format_tag; FT_UShort num_tables; FT_UShort search_range; FT_UShort entry_selector; FT_UShort range_shift; FT_ULong offset; /* not in file */ } SFNT_HeaderRec, *SFNT_Header; /*************************************************************************/ /* */ /* <Struct> */ /* TT_TableDirRec */ /* */ /* <Description> */ /* This structure models a TrueType table directory. It is used to */ /* access the various tables of the font face. */ /* */ /* <Fields> */ /* version :: The version number; starts with 0x00010000. */ /* */ /* numTables :: The number of tables. */ /* */ /* searchRange :: Unused. */ /* */ /* entrySelector :: Unused. */ /* */ /* rangeShift :: Unused. */ /* */ /* <Note> */ /* This structure is only used during font opening. */ /* */ typedef struct TT_TableDirRec_ { FT_Fixed version; /* should be 0x10000 */ FT_UShort numTables; /* number of tables */ FT_UShort searchRange; /* These parameters are only used */ FT_UShort entrySelector; /* for a dichotomy search in the */ FT_UShort rangeShift; /* directory. We ignore them. */ } TT_TableDirRec; /*************************************************************************/ /* */ /* <Struct> */ /* TT_TableRec */ /* */ /* <Description> */ /* This structure describes a given table of a TrueType font. */ /* */ /* <Fields> */ /* Tag :: A four-bytes tag describing the table. */ /* */ /* CheckSum :: The table checksum. This value can be ignored. */ /* */ /* Offset :: The offset of the table from the start of the TrueType */ /* font in its resource. */ /* */ /* Length :: The table length (in bytes). */ /* */ typedef struct TT_TableRec_ { FT_ULong Tag; /* table type */ FT_ULong CheckSum; /* table checksum */ FT_ULong Offset; /* table file offset */ FT_ULong Length; /* table length */ } TT_TableRec, *TT_Table; /*************************************************************************/ /* */ /* <Struct> */ /* TT_CMapDirRec */ /* */ /* <Description> */ /* This structure describes the directory of the `cmap' table, */ /* containing the font's character mappings table. */ /* */ /* <Fields> */ /* tableVersionNumber :: The version number. */ /* */ /* numCMaps :: The number of charmaps in the font. */ /* */ /* <Note> */ /* This structure is only used during font loading. */ /* */ typedef struct TT_CMapDirRec_ { FT_UShort tableVersionNumber; FT_UShort numCMaps; } TT_CMapDirRec, *TT_CMapDir; /*************************************************************************/ /* */ /* <Struct> */ /* TT_CMapDirEntryRec */ /* */ /* <Description> */ /* This structure describes a charmap in a TrueType font. */ /* */ /* <Fields> */ /* platformID :: An ID used to specify for which platform this */ /* charmap is defined (FreeType manages all platforms). */ /* */ /* encodingID :: A platform-specific ID used to indicate which source */ /* encoding is used in this charmap. */ /* */ /* offset :: The offset of the charmap relative to the start of */ /* the `cmap' table. */ /* */ /* <Note> */ /* This structure is only used during font loading. */ /* */ typedef struct TT_CMapDirEntryRec_ { FT_UShort platformID; FT_UShort platformEncodingID; FT_Long offset; } TT_CMapDirEntryRec, *TT_CMapDirEntry; /*************************************************************************/ /* */ /* <Struct> */ /* TT_LongMetricsRec */ /* */ /* <Description> */ /* A structure modeling the long metrics of the `hmtx' and `vmtx' */ /* TrueType tables. The values are expressed in font units. */ /* */ /* <Fields> */ /* advance :: The advance width or height for the glyph. */ /* */ /* bearing :: The left-side or top-side bearing for the glyph. */ /* */ typedef struct TT_LongMetricsRec_ { FT_UShort advance; FT_Short bearing; } TT_LongMetricsRec, *TT_LongMetrics; /*************************************************************************/ /* */ /* <Type> */ /* TT_ShortMetrics */ /* */ /* <Description> */ /* A simple type to model the short metrics of the `hmtx' and `vmtx' */ /* tables. */ /* */ typedef FT_Short TT_ShortMetrics; /*************************************************************************/ /* */ /* <Struct> */ /* TT_NameEntryRec */ /* */ /* <Description> */ /* A structure modeling TrueType name records. Name records are used */ /* to store important strings like family name, style name, */ /* copyright, etc. in _localized_ versions (i.e., language, encoding, */ /* etc). */ /* */ /* <Fields> */ /* platformID :: The ID of the name's encoding platform. */ /* */ /* encodingID :: The platform-specific ID for the name's encoding. */ /* */ /* languageID :: The platform-specific ID for the name's language. */ /* */ /* nameID :: The ID specifying what kind of name this is. */ /* */ /* stringLength :: The length of the string in bytes. */ /* */ /* stringOffset :: The offset to the string in the `name' table. */ /* */ /* string :: A pointer to the string's bytes. Note that these */ /* are usually UTF-16 encoded characters. */ /* */ typedef struct TT_NameEntryRec_ { FT_UShort platformID; FT_UShort encodingID; FT_UShort languageID; FT_UShort nameID; FT_UShort stringLength; FT_ULong stringOffset; /* this last field is not defined in the spec */ /* but used by the FreeType engine */ FT_Byte* string; } TT_NameEntryRec, *TT_NameEntry; /*************************************************************************/ /* */ /* <Struct> */ /* TT_NameTableRec */ /* */ /* <Description> */ /* A structure modeling the TrueType name table. */ /* */ /* <Fields> */ /* format :: The format of the name table. */ /* */ /* numNameRecords :: The number of names in table. */ /* */ /* storageOffset :: The offset of the name table in the `name' */ /* TrueType table. */ /* */ /* names :: An array of name records. */ /* */ /* stream :: the file's input stream. */ /* */ typedef struct TT_NameTableRec_ { FT_UShort format; FT_UInt numNameRecords; FT_UInt storageOffset; TT_NameEntryRec* names; FT_Stream stream; } TT_NameTableRec, *TT_NameTable; /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** OPTIONAL TRUETYPE/OPENTYPE TABLES DEFINITIONS ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /* */ /* <Struct> */ /* TT_GaspRangeRec */ /* */ /* <Description> */ /* A tiny structure used to model a gasp range according to the */ /* TrueType specification. */ /* */ /* <Fields> */ /* maxPPEM :: The maximum ppem value to which `gaspFlag' applies. */ /* */ /* gaspFlag :: A flag describing the grid-fitting and anti-aliasing */ /* modes to be used. */ /* */ typedef struct TT_GaspRangeRec_ { FT_UShort maxPPEM; FT_UShort gaspFlag; } TT_GaspRangeRec, *TT_GaspRange; #define TT_GASP_GRIDFIT 0x01#define TT_GASP_DOGRAY 0x02 /*************************************************************************/ /* */ /* <Struct> */ /* TT_GaspRec */ /* */ /* <Description> */ /* A structure modeling the TrueType `gasp' table used to specify */ /* grid-fitting and anti-aliasing behaviour. */ /* */ /* <Fields> */ /* version :: The version number. */ /* */ /* numRanges :: The number of gasp ranges in table. */ /* */ /* gaspRanges :: An array of gasp ranges. */ /* */ typedef struct TT_Gasp_ { FT_UShort version; FT_UShort numRanges; TT_GaspRange gaspRanges; } TT_GaspRec; /*************************************************************************/ /* */ /* <Struct> */ /* TT_HdmxEntryRec */ /* */ /* <Description> */ /* A small structure used to model the pre-computed widths of a given */ /* size. They are found in the `hdmx' table. */ /* */ /* <Fields> */ /* ppem :: The pixels per EM value at which these metrics apply. */ /* */ /* max_width :: The maximum advance width for this metric. */ /* */ /* widths :: An array of widths. Note: These are 8-bit bytes. */ /* */ typedef struct TT_HdmxEntryRec_ { FT_Byte ppem; FT_Byte max_width; FT_Byte* widths; } TT_HdmxEntryRec, *TT_HdmxEntry; /*************************************************************************/ /* */ /* <Struct> */ /* TT_HdmxRec */ /* */ /* <Description> */ /* A structure used to model the `hdmx' table, which contains */ /* pre-computed widths for a set of given sizes/dimensions. */ /* */ /* <Fields> */ /* version :: The version number. */ /* */ /* num_records :: The number of hdmx records. */ /* */ /* records :: An array of hdmx records. */ /* */ typedef struct TT_HdmxRec_ { FT_UShort version; FT_Short num_records; TT_HdmxEntry records; } TT_HdmxRec, *TT_Hdmx; /*************************************************************************/ /* */ /* <Struct> */ /* TT_Kern0_PairRec */ /* */ /* <Description> */ /* A structure used to model a kerning pair for the kerning table */ /* format 0. The engine now loads this table if it finds one in the */ /* font file. */ /* */ /* <Fields> */ /* left :: The index of the left glyph in pair. */ /* */ /* right :: The index of the right glyph in pair. */ /* */ /* value :: The kerning distance. A positive value spaces the */ /* glyphs, a negative one makes them closer. */ /* */ typedef struct TT_Kern0_PairRec_ { FT_UShort left; /* index of left glyph in pair */ FT_UShort right; /* index of right glyph in pair */ FT_FWord value; /* kerning value */ } TT_Kern0_PairRec, *TT_Kern0_Pair; /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** EMBEDDED BITMAPS SUPPORT ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /* */ /* <Struct> */ /* TT_SBit_MetricsRec */ /* */ /* <Description> */ /* A structure used to hold the big metrics of a given glyph bitmap */ /* in a TrueType or OpenType font. These are usually found in the */ /* `EBDT' (Microsoft) or `bloc' (Apple) table. */ /* */ /* <Fields> */Lines 1–500 of 1669. Load more
/***************************************************************************/ /* */ /* tttypes.h */ /* */ /* Basic SFNT/TrueType type definitions and interface (specification */ /* only). */ /* */ /* Copyright 1996-2001, 2002 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ /* modified, and distributed under the terms of the FreeType project */ /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ /* this file you indicate that you have read the license and */ /* understand and accept it fully. */ /* */ /***************************************************************************/ #ifndef __TTTYPES_H__ #define __TTTYPES_H__ #include <ft2build.h> #include FT_TRUETYPE_TABLES_H #include FT_INTERNAL_OBJECTS_H FT_BEGIN_HEADER /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** REQUIRED TRUETYPE/OPENTYPE TABLES DEFINITIONS ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /* */ /* <Struct> */ /* TTC_HeaderRec */ /* */ /* <Description> */ /* TrueType collection header. This table contains the offsets of */ /* the font headers of each distinct TrueType face in the file. */ /* */ /* <Fields> */ /* tag :: Must be `ttc ' to indicate a TrueType collection. */ /* */ /* version :: The version number. */ /* */ /* count :: The number of faces in the collection. The */ /* specification says this should be an unsigned long, but */ /* we use a signed long since we need the value -1 for */ /* specific purposes. */ /* */ /* offsets :: The offsets of the font headers, one per face. */ /* */ typedef struct TTC_HeaderRec_ { FT_ULong tag; FT_Fixed version; FT_Long count; FT_ULong* offsets; } TTC_HeaderRec; /*************************************************************************/ /* */ /* <Struct> */ /* SFNT_HeaderRec */ /* */ /* <Description> */ /* SFNT file format header. */ /* */ /* <Fields> */ /* format_tag :: The font format tag. */ /* */ /* num_tables :: The number of tables in file. */ /* */ /* search_range :: Must be `16 * (max power of 2 <= num_tables)'. */ /* */ /* entry_selector :: Must be log2 of `search_range / 16'. */ /* */ /* range_shift :: Must be `num_tables * 16 - search_range'. */ /* */ typedef struct SFNT_HeaderRec_ { FT_ULong format_tag; FT_UShort num_tables; FT_UShort search_range; FT_UShort entry_selector; FT_UShort range_shift; FT_ULong offset; /* not in file */ } SFNT_HeaderRec, *SFNT_Header; /*************************************************************************/ /* */ /* <Struct> */ /* TT_TableDirRec */ /* */ /* <Description> */ /* This structure models a TrueType table directory. It is used to */ /* access the various tables of the font face. */ /* */ /* <Fields> */ /* version :: The version number; starts with 0x00010000. */ /* */ /* numTables :: The number of tables. */ /* */ /* searchRange :: Unused. */ /* */ /* entrySelector :: Unused. */ /* */ /* rangeShift :: Unused. */ /* */ /* <Note> */ /* This structure is only used during font opening. */ /* */ typedef struct TT_TableDirRec_ { FT_Fixed version; /* should be 0x10000 */ FT_UShort numTables; /* number of tables */ FT_UShort searchRange; /* These parameters are only used */ FT_UShort entrySelector; /* for a dichotomy search in the */ FT_UShort rangeShift; /* directory. We ignore them. */ } TT_TableDirRec; /*************************************************************************/ /* */ /* <Struct> */ /* TT_TableRec */ /* */ /* <Description> */ /* This structure describes a given table of a TrueType font. */ /* */ /* <Fields> */ /* Tag :: A four-bytes tag describing the table. */ /* */ /* CheckSum :: The table checksum. This value can be ignored. */ /* */ /* Offset :: The offset of the table from the start of the TrueType */ /* font in its resource. */ /* */ /* Length :: The table length (in bytes). */ /* */ typedef struct TT_TableRec_ { FT_ULong Tag; /* table type */ FT_ULong CheckSum; /* table checksum */ FT_ULong Offset; /* table file offset */ FT_ULong Length; /* table length */ } TT_TableRec, *TT_Table; /*************************************************************************/ /* */ /* <Struct> */ /* TT_CMapDirRec */ /* */ /* <Description> */ /* This structure describes the directory of the `cmap' table, */ /* containing the font's character mappings table. */ /* */ /* <Fields> */ /* tableVersionNumber :: The version number. */ /* */ /* numCMaps :: The number of charmaps in the font. */ /* */ /* <Note> */ /* This structure is only used during font loading. */ /* */ typedef struct TT_CMapDirRec_ { FT_UShort tableVersionNumber; FT_UShort numCMaps; } TT_CMapDirRec, *TT_CMapDir; /*************************************************************************/ /* */ /* <Struct> */ /* TT_CMapDirEntryRec */ /* */ /* <Description> */ /* This structure describes a charmap in a TrueType font. */ /* */ /* <Fields> */ /* platformID :: An ID used to specify for which platform this */ /* charmap is defined (FreeType manages all platforms). */ /* */ /* encodingID :: A platform-specific ID used to indicate which source */ /* encoding is used in this charmap. */ /* */ /* offset :: The offset of the charmap relative to the start of */ /* the `cmap' table. */ /* */ /* <Note> */ /* This structure is only used during font loading. */ /* */ typedef struct TT_CMapDirEntryRec_ { FT_UShort platformID; FT_UShort platformEncodingID; FT_Long offset; } TT_CMapDirEntryRec, *TT_CMapDirEntry; /*************************************************************************/ /* */ /* <Struct> */ /* TT_LongMetricsRec */ /* */ /* <Description> */ /* A structure modeling the long metrics of the `hmtx' and `vmtx' */ /* TrueType tables. The values are expressed in font units. */ /* */ /* <Fields> */ /* advance :: The advance width or height for the glyph. */ /* */ /* bearing :: The left-side or top-side bearing for the glyph. */ /* */ typedef struct TT_LongMetricsRec_ { FT_UShort advance; FT_Short bearing; } TT_LongMetricsRec, *TT_LongMetrics; /*************************************************************************/ /* */ /* <Type> */ /* TT_ShortMetrics */ /* */ /* <Description> */ /* A simple type to model the short metrics of the `hmtx' and `vmtx' */ /* tables. */ /* */ typedef FT_Short TT_ShortMetrics; /*************************************************************************/ /* */ /* <Struct> */ /* TT_NameEntryRec */ /* */ /* <Description> */ /* A structure modeling TrueType name records. Name records are used */ /* to store important strings like family name, style name, */ /* copyright, etc. in _localized_ versions (i.e., language, encoding, */ /* etc). */ /* */ /* <Fields> */ /* platformID :: The ID of the name's encoding platform. */ /* */ /* encodingID :: The platform-specific ID for the name's encoding. */ /* */ /* languageID :: The platform-specific ID for the name's language. */ /* */ /* nameID :: The ID specifying what kind of name this is. */ /* */ /* stringLength :: The length of the string in bytes. */ /* */ /* stringOffset :: The offset to the string in the `name' table. */ /* */ /* string :: A pointer to the string's bytes. Note that these */ /* are usually UTF-16 encoded characters. */ /* */ typedef struct TT_NameEntryRec_ { FT_UShort platformID; FT_UShort encodingID; FT_UShort languageID; FT_UShort nameID; FT_UShort stringLength; FT_ULong stringOffset; /* this last field is not defined in the spec */ /* but used by the FreeType engine */ FT_Byte* string; } TT_NameEntryRec, *TT_NameEntry; /*************************************************************************/ /* */ /* <Struct> */ /* TT_NameTableRec */ /* */ /* <Description> */ /* A structure modeling the TrueType name table. */ /* */ /* <Fields> */ /* format :: The format of the name table. */ /* */ /* numNameRecords :: The number of names in table. */ /* */ /* storageOffset :: The offset of the name table in the `name' */ /* TrueType table. */ /* */ /* names :: An array of name records. */ /* */ /* stream :: the file's input stream. */ /* */ typedef struct TT_NameTableRec_ { FT_UShort format; FT_UInt numNameRecords; FT_UInt storageOffset; TT_NameEntryRec* names; FT_Stream stream; } TT_NameTableRec, *TT_NameTable; /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** OPTIONAL TRUETYPE/OPENTYPE TABLES DEFINITIONS ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /* */ /* <Struct> */ /* TT_GaspRangeRec */ /* */ /* <Description> */ /* A tiny structure used to model a gasp range according to the */ /* TrueType specification. */ /* */ /* <Fields> */ /* maxPPEM :: The maximum ppem value to which `gaspFlag' applies. */ /* */ /* gaspFlag :: A flag describing the grid-fitting and anti-aliasing */ /* modes to be used. */ /* */ typedef struct TT_GaspRangeRec_ { FT_UShort maxPPEM; FT_UShort gaspFlag; } TT_GaspRangeRec, *TT_GaspRange; #define TT_GASP_GRIDFIT 0x01 #define TT_GASP_DOGRAY 0x02 /*************************************************************************/ /* */ /* <Struct> */ /* TT_GaspRec */ /* */ /* <Description> */ /* A structure modeling the TrueType `gasp' table used to specify */ /* grid-fitting and anti-aliasing behaviour. */ /* */ /* <Fields> */ /* version :: The version number. */ /* */ /* numRanges :: The number of gasp ranges in table. */ /* */ /* gaspRanges :: An array of gasp ranges. */ /* */ typedef struct TT_Gasp_ { FT_UShort version; FT_UShort numRanges; TT_GaspRange gaspRanges; } TT_GaspRec; /*************************************************************************/ /* */ /* <Struct> */ /* TT_HdmxEntryRec */ /* */ /* <Description> */ /* A small structure used to model the pre-computed widths of a given */ /* size. They are found in the `hdmx' table. */ /* */ /* <Fields> */ /* ppem :: The pixels per EM value at which these metrics apply. */ /* */ /* max_width :: The maximum advance width for this metric. */ /* */ /* widths :: An array of widths. Note: These are 8-bit bytes. */ /* */ typedef struct TT_HdmxEntryRec_ { FT_Byte ppem; FT_Byte max_width; FT_Byte* widths; } TT_HdmxEntryRec, *TT_HdmxEntry; /*************************************************************************/ /* */ /* <Struct> */ /* TT_HdmxRec */ /* */ /* <Description> */ /* A structure used to model the `hdmx' table, which contains */ /* pre-computed widths for a set of given sizes/dimensions. */ /* */ /* <Fields> */ /* version :: The version number. */ /* */ /* num_records :: The number of hdmx records. */ /* */ /* records :: An array of hdmx records. */ /* */ typedef struct TT_HdmxRec_ { FT_UShort version; FT_Short num_records; TT_HdmxEntry records; } TT_HdmxRec, *TT_Hdmx; /*************************************************************************/ /* */ /* <Struct> */ /* TT_Kern0_PairRec */ /* */ /* <Description> */ /* A structure used to model a kerning pair for the kerning table */ /* format 0. The engine now loads this table if it finds one in the */ /* font file. */ /* */ /* <Fields> */ /* left :: The index of the left glyph in pair. */ /* */ /* right :: The index of the right glyph in pair. */ /* */ /* value :: The kerning distance. A positive value spaces the */ /* glyphs, a negative one makes them closer. */ /* */ typedef struct TT_Kern0_PairRec_ { FT_UShort left; /* index of left glyph in pair */ FT_UShort right; /* index of right glyph in pair */ FT_FWord value; /* kerning value */ } TT_Kern0_PairRec, *TT_Kern0_Pair; /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*** ***/ /*** ***/ /*** EMBEDDED BITMAPS SUPPORT ***/ /*** ***/ /*** ***/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /*************************************************************************/ /* */ /* <Struct> */ /* TT_SBit_MetricsRec */ /* */ /* <Description> */ /* A structure used to hold the big metrics of a given glyph bitmap */ /* in a TrueType or OpenType font. These are usually found in the */ /* `EBDT' (Microsoft) or `bloc' (Apple) table. */ /* */ /* <Fields> */