-/***************************************************************************/\r
-/* */\r
-/* tttypes.h */\r
-/* */\r
-/* Basic SFNT/TrueType type definitions and interface (specification */\r
-/* only). */\r
-/* */\r
-/* Copyright 1996-2001, 2002, 2004, 2005, 2006, 2007 by */\r
-/* David Turner, Robert Wilhelm, and Werner Lemberg. */\r
-/* */\r
-/* This file is part of the FreeType project, and may only be used, */\r
-/* modified, and distributed under the terms of the FreeType project */\r
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */\r
-/* this file you indicate that you have read the license and */\r
-/* understand and accept it fully. */\r
-/* */\r
-/***************************************************************************/\r
-\r
-\r
-#ifndef __TTTYPES_H__\r
-#define __TTTYPES_H__\r
-\r
-\r
-#include <ft2build.h>\r
-#include FT_TRUETYPE_TABLES_H\r
-#include FT_INTERNAL_OBJECTS_H\r
-\r
-#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT\r
-#include FT_MULTIPLE_MASTERS_H\r
-#endif\r
-\r
-\r
-FT_BEGIN_HEADER\r
-\r
-\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*** ***/\r
- /*** ***/\r
- /*** REQUIRED TRUETYPE/OPENTYPE TABLES DEFINITIONS ***/\r
- /*** ***/\r
- /*** ***/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TTC_HeaderRec */\r
- /* */\r
- /* <Description> */\r
- /* TrueType collection header. This table contains the offsets of */\r
- /* the font headers of each distinct TrueType face in the file. */\r
- /* */\r
- /* <Fields> */\r
- /* tag :: Must be `ttc ' to indicate a TrueType collection. */\r
- /* */\r
- /* version :: The version number. */\r
- /* */\r
- /* count :: The number of faces in the collection. The */\r
- /* specification says this should be an unsigned long, but */\r
- /* we use a signed long since we need the value -1 for */\r
- /* specific purposes. */\r
- /* */\r
- /* offsets :: The offsets of the font headers, one per face. */\r
- /* */\r
- typedef struct TTC_HeaderRec_\r
- {\r
- FT_ULong tag;\r
- FT_Fixed version;\r
- FT_Long count;\r
- FT_ULong* offsets;\r
-\r
- } TTC_HeaderRec;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* SFNT_HeaderRec */\r
- /* */\r
- /* <Description> */\r
- /* SFNT file format header. */\r
- /* */\r
- /* <Fields> */\r
- /* format_tag :: The font format tag. */\r
- /* */\r
- /* num_tables :: The number of tables in file. */\r
- /* */\r
- /* search_range :: Must be `16 * (max power of 2 <= num_tables)'. */\r
- /* */\r
- /* entry_selector :: Must be log2 of `search_range / 16'. */\r
- /* */\r
- /* range_shift :: Must be `num_tables * 16 - search_range'. */\r
- /* */\r
- typedef struct SFNT_HeaderRec_\r
- {\r
- FT_ULong format_tag;\r
- FT_UShort num_tables;\r
- FT_UShort search_range;\r
- FT_UShort entry_selector;\r
- FT_UShort range_shift;\r
-\r
- FT_ULong offset; /* not in file */\r
-\r
- } SFNT_HeaderRec, *SFNT_Header;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_TableRec */\r
- /* */\r
- /* <Description> */\r
- /* This structure describes a given table of a TrueType font. */\r
- /* */\r
- /* <Fields> */\r
- /* Tag :: A four-bytes tag describing the table. */\r
- /* */\r
- /* CheckSum :: The table checksum. This value can be ignored. */\r
- /* */\r
- /* Offset :: The offset of the table from the start of the TrueType */\r
- /* font in its resource. */\r
- /* */\r
- /* Length :: The table length (in bytes). */\r
- /* */\r
- typedef struct TT_TableRec_\r
- {\r
- FT_ULong Tag; /* table type */\r
- FT_ULong CheckSum; /* table checksum */\r
- FT_ULong Offset; /* table file offset */\r
- FT_ULong Length; /* table length */\r
-\r
- } TT_TableRec, *TT_Table;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_LongMetricsRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure modeling the long metrics of the `hmtx' and `vmtx' */\r
- /* TrueType tables. The values are expressed in font units. */\r
- /* */\r
- /* <Fields> */\r
- /* advance :: The advance width or height for the glyph. */\r
- /* */\r
- /* bearing :: The left-side or top-side bearing for the glyph. */\r
- /* */\r
- typedef struct TT_LongMetricsRec_\r
- {\r
- FT_UShort advance;\r
- FT_Short bearing;\r
-\r
- } TT_LongMetricsRec, *TT_LongMetrics;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Type> */\r
- /* TT_ShortMetrics */\r
- /* */\r
- /* <Description> */\r
- /* A simple type to model the short metrics of the `hmtx' and `vmtx' */\r
- /* tables. */\r
- /* */\r
- typedef FT_Short TT_ShortMetrics;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_NameEntryRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure modeling TrueType name records. Name records are used */\r
- /* to store important strings like family name, style name, */\r
- /* copyright, etc. in _localized_ versions (i.e., language, encoding, */\r
- /* etc). */\r
- /* */\r
- /* <Fields> */\r
- /* platformID :: The ID of the name's encoding platform. */\r
- /* */\r
- /* encodingID :: The platform-specific ID for the name's encoding. */\r
- /* */\r
- /* languageID :: The platform-specific ID for the name's language. */\r
- /* */\r
- /* nameID :: The ID specifying what kind of name this is. */\r
- /* */\r
- /* stringLength :: The length of the string in bytes. */\r
- /* */\r
- /* stringOffset :: The offset to the string in the `name' table. */\r
- /* */\r
- /* string :: A pointer to the string's bytes. Note that these */\r
- /* are usually UTF-16 encoded characters. */\r
- /* */\r
- typedef struct TT_NameEntryRec_\r
- {\r
- FT_UShort platformID;\r
- FT_UShort encodingID;\r
- FT_UShort languageID;\r
- FT_UShort nameID;\r
- FT_UShort stringLength;\r
- FT_ULong stringOffset;\r
-\r
- /* this last field is not defined in the spec */\r
- /* but used by the FreeType engine */\r
-\r
- FT_Byte* string;\r
-\r
- } TT_NameEntryRec, *TT_NameEntry;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_NameTableRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure modeling the TrueType name table. */\r
- /* */\r
- /* <Fields> */\r
- /* format :: The format of the name table. */\r
- /* */\r
- /* numNameRecords :: The number of names in table. */\r
- /* */\r
- /* storageOffset :: The offset of the name table in the `name' */\r
- /* TrueType table. */\r
- /* */\r
- /* names :: An array of name records. */\r
- /* */\r
- /* stream :: the file's input stream. */\r
- /* */\r
- typedef struct TT_NameTableRec_\r
- {\r
- FT_UShort format;\r
- FT_UInt numNameRecords;\r
- FT_UInt storageOffset;\r
- TT_NameEntryRec* names;\r
- FT_Stream stream;\r
-\r
- } TT_NameTableRec, *TT_NameTable;\r
-\r
-\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*** ***/\r
- /*** ***/\r
- /*** OPTIONAL TRUETYPE/OPENTYPE TABLES DEFINITIONS ***/\r
- /*** ***/\r
- /*** ***/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_GaspRangeRec */\r
- /* */\r
- /* <Description> */\r
- /* A tiny structure used to model a gasp range according to the */\r
- /* TrueType specification. */\r
- /* */\r
- /* <Fields> */\r
- /* maxPPEM :: The maximum ppem value to which `gaspFlag' applies. */\r
- /* */\r
- /* gaspFlag :: A flag describing the grid-fitting and anti-aliasing */\r
- /* modes to be used. */\r
- /* */\r
- typedef struct TT_GaspRangeRec_\r
- {\r
- FT_UShort maxPPEM;\r
- FT_UShort gaspFlag;\r
-\r
- } TT_GaspRangeRec, *TT_GaspRange;\r
-\r
-\r
-#define TT_GASP_GRIDFIT 0x01\r
-#define TT_GASP_DOGRAY 0x02\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_GaspRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure modeling the TrueType `gasp' table used to specify */\r
- /* grid-fitting and anti-aliasing behaviour. */\r
- /* */\r
- /* <Fields> */\r
- /* version :: The version number. */\r
- /* */\r
- /* numRanges :: The number of gasp ranges in table. */\r
- /* */\r
- /* gaspRanges :: An array of gasp ranges. */\r
- /* */\r
- typedef struct TT_Gasp_\r
- {\r
- FT_UShort version;\r
- FT_UShort numRanges;\r
- TT_GaspRange gaspRanges;\r
-\r
- } TT_GaspRec;\r
-\r
-\r
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_HdmxEntryRec */\r
- /* */\r
- /* <Description> */\r
- /* A small structure used to model the pre-computed widths of a given */\r
- /* size. They are found in the `hdmx' table. */\r
- /* */\r
- /* <Fields> */\r
- /* ppem :: The pixels per EM value at which these metrics apply. */\r
- /* */\r
- /* max_width :: The maximum advance width for this metric. */\r
- /* */\r
- /* widths :: An array of widths. Note: These are 8-bit bytes. */\r
- /* */\r
- typedef struct TT_HdmxEntryRec_\r
- {\r
- FT_Byte ppem;\r
- FT_Byte max_width;\r
- FT_Byte* widths;\r
-\r
- } TT_HdmxEntryRec, *TT_HdmxEntry;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_HdmxRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure used to model the `hdmx' table, which contains */\r
- /* pre-computed widths for a set of given sizes/dimensions. */\r
- /* */\r
- /* <Fields> */\r
- /* version :: The version number. */\r
- /* */\r
- /* num_records :: The number of hdmx records. */\r
- /* */\r
- /* records :: An array of hdmx records. */\r
- /* */\r
- typedef struct TT_HdmxRec_\r
- {\r
- FT_UShort version;\r
- FT_Short num_records;\r
- TT_HdmxEntry records;\r
-\r
- } TT_HdmxRec, *TT_Hdmx;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_Kern0_PairRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure used to model a kerning pair for the kerning table */\r
- /* format 0. The engine now loads this table if it finds one in the */\r
- /* font file. */\r
- /* */\r
- /* <Fields> */\r
- /* left :: The index of the left glyph in pair. */\r
- /* */\r
- /* right :: The index of the right glyph in pair. */\r
- /* */\r
- /* value :: The kerning distance. A positive value spaces the */\r
- /* glyphs, a negative one makes them closer. */\r
- /* */\r
- typedef struct TT_Kern0_PairRec_\r
- {\r
- FT_UShort left; /* index of left glyph in pair */\r
- FT_UShort right; /* index of right glyph in pair */\r
- FT_FWord value; /* kerning value */\r
-\r
- } TT_Kern0_PairRec, *TT_Kern0_Pair;\r
-\r
-#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */\r
-\r
-\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*** ***/\r
- /*** ***/\r
- /*** EMBEDDED BITMAPS SUPPORT ***/\r
- /*** ***/\r
- /*** ***/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_SBit_MetricsRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure used to hold the big metrics of a given glyph bitmap */\r
- /* in a TrueType or OpenType font. These are usually found in the */\r
- /* `EBDT' (Microsoft) or `bloc' (Apple) table. */\r
- /* */\r
- /* <Fields> */\r
- /* height :: The glyph height in pixels. */\r
- /* */\r
- /* width :: The glyph width in pixels. */\r
- /* */\r
- /* horiBearingX :: The horizontal left bearing. */\r
- /* */\r
- /* horiBearingY :: The horizontal top bearing. */\r
- /* */\r
- /* horiAdvance :: The horizontal advance. */\r
- /* */\r
- /* vertBearingX :: The vertical left bearing. */\r
- /* */\r
- /* vertBearingY :: The vertical top bearing. */\r
- /* */\r
- /* vertAdvance :: The vertical advance. */\r
- /* */\r
- typedef struct TT_SBit_MetricsRec_\r
- {\r
- FT_Byte height;\r
- FT_Byte width;\r
-\r
- FT_Char horiBearingX;\r
- FT_Char horiBearingY;\r
- FT_Byte horiAdvance;\r
-\r
- FT_Char vertBearingX;\r
- FT_Char vertBearingY;\r
- FT_Byte vertAdvance;\r
-\r
- } TT_SBit_MetricsRec, *TT_SBit_Metrics;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_SBit_SmallMetricsRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure used to hold the small metrics of a given glyph bitmap */\r
- /* in a TrueType or OpenType font. These are usually found in the */\r
- /* `EBDT' (Microsoft) or the `bdat' (Apple) table. */\r
- /* */\r
- /* <Fields> */\r
- /* height :: The glyph height in pixels. */\r
- /* */\r
- /* width :: The glyph width in pixels. */\r
- /* */\r
- /* bearingX :: The left-side bearing. */\r
- /* */\r
- /* bearingY :: The top-side bearing. */\r
- /* */\r
- /* advance :: The advance width or height. */\r
- /* */\r
- typedef struct TT_SBit_Small_Metrics_\r
- {\r
- FT_Byte height;\r
- FT_Byte width;\r
-\r
- FT_Char bearingX;\r
- FT_Char bearingY;\r
- FT_Byte advance;\r
-\r
- } TT_SBit_SmallMetricsRec, *TT_SBit_SmallMetrics;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_SBit_LineMetricsRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure used to describe the text line metrics of a given */\r
- /* bitmap strike, for either a horizontal or vertical layout. */\r
- /* */\r
- /* <Fields> */\r
- /* ascender :: The ascender in pixels. */\r
- /* */\r
- /* descender :: The descender in pixels. */\r
- /* */\r
- /* max_width :: The maximum glyph width in pixels. */\r
- /* */\r
- /* caret_slope_enumerator :: Rise of the caret slope, typically set */\r
- /* to 1 for non-italic fonts. */\r
- /* */\r
- /* caret_slope_denominator :: Rise of the caret slope, typically set */\r
- /* to 0 for non-italic fonts. */\r
- /* */\r
- /* caret_offset :: Offset in pixels to move the caret for */\r
- /* proper positioning. */\r
- /* */\r
- /* min_origin_SB :: Minimum of horiBearingX (resp. */\r
- /* vertBearingY). */\r
- /* min_advance_SB :: Minimum of */\r
- /* */\r
- /* horizontal advance - */\r
- /* ( horiBearingX + width ) */\r
- /* */\r
- /* resp. */\r
- /* */\r
- /* vertical advance - */\r
- /* ( vertBearingY + height ) */\r
- /* */\r
- /* max_before_BL :: Maximum of horiBearingY (resp. */\r
- /* vertBearingY). */\r
- /* */\r
- /* min_after_BL :: Minimum of */\r
- /* */\r
- /* horiBearingY - height */\r
- /* */\r
- /* resp. */\r
- /* */\r
- /* vertBearingX - width */\r
- /* */\r
- /* pads :: Unused (to make the size of the record */\r
- /* a multiple of 32 bits. */\r
- /* */\r
- typedef struct TT_SBit_LineMetricsRec_\r
- {\r
- FT_Char ascender;\r
- FT_Char descender;\r
- FT_Byte max_width;\r
- FT_Char caret_slope_numerator;\r
- FT_Char caret_slope_denominator;\r
- FT_Char caret_offset;\r
- FT_Char min_origin_SB;\r
- FT_Char min_advance_SB;\r
- FT_Char max_before_BL;\r
- FT_Char min_after_BL;\r
- FT_Char pads[2];\r
-\r
- } TT_SBit_LineMetricsRec, *TT_SBit_LineMetrics;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_SBit_RangeRec */\r
- /* */\r
- /* <Description> */\r
- /* A TrueType/OpenType subIndexTable as defined in the `EBLC' */\r
- /* (Microsoft) or `bloc' (Apple) tables. */\r
- /* */\r
- /* <Fields> */\r
- /* first_glyph :: The first glyph index in the range. */\r
- /* */\r
- /* last_glyph :: The last glyph index in the range. */\r
- /* */\r
- /* index_format :: The format of index table. Valid values are 1 */\r
- /* to 5. */\r
- /* */\r
- /* image_format :: The format of `EBDT' image data. */\r
- /* */\r
- /* image_offset :: The offset to image data in `EBDT'. */\r
- /* */\r
- /* image_size :: For index formats 2 and 5. This is the size in */\r
- /* bytes of each glyph bitmap. */\r
- /* */\r
- /* big_metrics :: For index formats 2 and 5. This is the big */\r
- /* metrics for each glyph bitmap. */\r
- /* */\r
- /* num_glyphs :: For index formats 4 and 5. This is the number of */\r
- /* glyphs in the code array. */\r
- /* */\r
- /* glyph_offsets :: For index formats 1 and 3. */\r
- /* */\r
- /* glyph_codes :: For index formats 4 and 5. */\r
- /* */\r
- /* table_offset :: The offset of the index table in the `EBLC' */\r
- /* table. Only used during strike loading. */\r
- /* */\r
- typedef struct TT_SBit_RangeRec\r
- {\r
- FT_UShort first_glyph;\r
- FT_UShort last_glyph;\r
-\r
- FT_UShort index_format;\r
- FT_UShort image_format;\r
- FT_ULong image_offset;\r
-\r
- FT_ULong image_size;\r
- TT_SBit_MetricsRec metrics;\r
- FT_ULong num_glyphs;\r
-\r
- FT_ULong* glyph_offsets;\r
- FT_UShort* glyph_codes;\r
-\r
- FT_ULong table_offset;\r
-\r
- } TT_SBit_RangeRec, *TT_SBit_Range;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_SBit_StrikeRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure used describe a given bitmap strike in the `EBLC' */\r
- /* (Microsoft) or `bloc' (Apple) tables. */\r
- /* */\r
- /* <Fields> */\r
- /* num_index_ranges :: The number of index ranges. */\r
- /* */\r
- /* index_ranges :: An array of glyph index ranges. */\r
- /* */\r
- /* color_ref :: Unused. `color_ref' is put in for future */\r
- /* enhancements, but these fields are already */\r
- /* in use by other platforms (e.g. Newton). */\r
- /* For details, please see */\r
- /* */\r
- /* http://fonts.apple.com/ */\r
- /* TTRefMan/RM06/Chap6bloc.html */\r
- /* */\r
- /* hori :: The line metrics for horizontal layouts. */\r
- /* */\r
- /* vert :: The line metrics for vertical layouts. */\r
- /* */\r
- /* start_glyph :: The lowest glyph index for this strike. */\r
- /* */\r
- /* end_glyph :: The highest glyph index for this strike. */\r
- /* */\r
- /* x_ppem :: The number of horizontal pixels per EM. */\r
- /* */\r
- /* y_ppem :: The number of vertical pixels per EM. */\r
- /* */\r
- /* bit_depth :: The bit depth. Valid values are 1, 2, 4, */\r
- /* and 8. */\r
- /* */\r
- /* flags :: Is this a vertical or horizontal strike? For */\r
- /* details, please see */\r
- /* */\r
- /* http://fonts.apple.com/ */\r
- /* TTRefMan/RM06/Chap6bloc.html */\r
- /* */\r
- typedef struct TT_SBit_StrikeRec_\r
- {\r
- FT_Int num_ranges;\r
- TT_SBit_Range sbit_ranges;\r
- FT_ULong ranges_offset;\r
-\r
- FT_ULong color_ref;\r
-\r
- TT_SBit_LineMetricsRec hori;\r
- TT_SBit_LineMetricsRec vert;\r
-\r
- FT_UShort start_glyph;\r
- FT_UShort end_glyph;\r
-\r
- FT_Byte x_ppem;\r
- FT_Byte y_ppem;\r
-\r
- FT_Byte bit_depth;\r
- FT_Char flags;\r
-\r
- } TT_SBit_StrikeRec, *TT_SBit_Strike;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_SBit_ComponentRec */\r
- /* */\r
- /* <Description> */\r
- /* A simple structure to describe a compound sbit element. */\r
- /* */\r
- /* <Fields> */\r
- /* glyph_code :: The element's glyph index. */\r
- /* */\r
- /* x_offset :: The element's left bearing. */\r
- /* */\r
- /* y_offset :: The element's top bearing. */\r
- /* */\r
- typedef struct TT_SBit_ComponentRec_\r
- {\r
- FT_UShort glyph_code;\r
- FT_Char x_offset;\r
- FT_Char y_offset;\r
-\r
- } TT_SBit_ComponentRec, *TT_SBit_Component;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_SBit_ScaleRec */\r
- /* */\r
- /* <Description> */\r
- /* A structure used describe a given bitmap scaling table, as defined */\r
- /* in the `EBSC' table. */\r
- /* */\r
- /* <Fields> */\r
- /* hori :: The horizontal line metrics. */\r
- /* */\r
- /* vert :: The vertical line metrics. */\r
- /* */\r
- /* x_ppem :: The number of horizontal pixels per EM. */\r
- /* */\r
- /* y_ppem :: The number of vertical pixels per EM. */\r
- /* */\r
- /* x_ppem_substitute :: Substitution x_ppem value. */\r
- /* */\r
- /* y_ppem_substitute :: Substitution y_ppem value. */\r
- /* */\r
- typedef struct TT_SBit_ScaleRec_\r
- {\r
- TT_SBit_LineMetricsRec hori;\r
- TT_SBit_LineMetricsRec vert;\r
-\r
- FT_Byte x_ppem;\r
- FT_Byte y_ppem;\r
-\r
- FT_Byte x_ppem_substitute;\r
- FT_Byte y_ppem_substitute;\r
-\r
- } TT_SBit_ScaleRec, *TT_SBit_Scale;\r
-\r
-\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*** ***/\r
- /*** ***/\r
- /*** POSTSCRIPT GLYPH NAMES SUPPORT ***/\r
- /*** ***/\r
- /*** ***/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_Post_20Rec */\r
- /* */\r
- /* <Description> */\r
- /* Postscript names sub-table, format 2.0. Stores the PS name of */\r
- /* each glyph in the font face. */\r
- /* */\r
- /* <Fields> */\r
- /* num_glyphs :: The number of named glyphs in the table. */\r
- /* */\r
- /* num_names :: The number of PS names stored in the table. */\r
- /* */\r
- /* glyph_indices :: The indices of the glyphs in the names arrays. */\r
- /* */\r
- /* glyph_names :: The PS names not in Mac Encoding. */\r
- /* */\r
- typedef struct TT_Post_20Rec_\r
- {\r
- FT_UShort num_glyphs;\r
- FT_UShort num_names;\r
- FT_UShort* glyph_indices;\r
- FT_Char** glyph_names;\r
-\r
- } TT_Post_20Rec, *TT_Post_20;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_Post_25Rec */\r
- /* */\r
- /* <Description> */\r
- /* Postscript names sub-table, format 2.5. Stores the PS name of */\r
- /* each glyph in the font face. */\r
- /* */\r
- /* <Fields> */\r
- /* num_glyphs :: The number of glyphs in the table. */\r
- /* */\r
- /* offsets :: An array of signed offsets in a normal Mac */\r
- /* Postscript name encoding. */\r
- /* */\r
- typedef struct TT_Post_25_\r
- {\r
- FT_UShort num_glyphs;\r
- FT_Char* offsets;\r
-\r
- } TT_Post_25Rec, *TT_Post_25;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_Post_NamesRec */\r
- /* */\r
- /* <Description> */\r
- /* Postscript names table, either format 2.0 or 2.5. */\r
- /* */\r
- /* <Fields> */\r
- /* loaded :: A flag to indicate whether the PS names are loaded. */\r
- /* */\r
- /* format_20 :: The sub-table used for format 2.0. */\r
- /* */\r
- /* format_25 :: The sub-table used for format 2.5. */\r
- /* */\r
- typedef struct TT_Post_NamesRec_\r
- {\r
- FT_Bool loaded;\r
-\r
- union\r
- {\r
- TT_Post_20Rec format_20;\r
- TT_Post_25Rec format_25;\r
-\r
- } names;\r
-\r
- } TT_Post_NamesRec, *TT_Post_Names;\r
-\r
-\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*** ***/\r
- /*** ***/\r
- /*** GX VARIATION TABLE SUPPORT ***/\r
- /*** ***/\r
- /*** ***/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
-\r
-\r
-#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT\r
- typedef struct GX_BlendRec_ *GX_Blend;\r
-#endif\r
-\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*** ***/\r
- /*** ***/\r
- /*** EMBEDDED BDF PROPERTIES TABLE SUPPORT ***/\r
- /*** ***/\r
- /*** ***/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
-\r
- /*\r
- * These types are used to support a `BDF ' table that isn't part of the\r
- * official TrueType specification. It is mainly used in SFNT-based\r
- * bitmap fonts that were generated from a set of BDF fonts.\r
- *\r
- * The format of the table is as follows.\r
- *\r
- * USHORT version `BDF ' table version number, should be 0x0001.\r
- * USHORT strikeCount Number of strikes (bitmap sizes) in this table.\r
- * ULONG stringTable Offset (from start of BDF table) to string\r
- * table.\r
- *\r
- * This is followed by an array of `strikeCount' descriptors, having the\r
- * following format.\r
- *\r
- * USHORT ppem Vertical pixels per EM for this strike.\r
- * USHORT numItems Number of items for this strike (properties and\r
- * atoms). Maximum is 255.\r
- *\r
- * This array in turn is followed by `strikeCount' value sets. Each\r
- * `value set' is an array of `numItems' items with the following format.\r
- *\r
- * ULONG item_name Offset in string table to item name.\r
- * USHORT item_type The item type. Possible values are\r
- * 0 => string (e.g., COMMENT)\r
- * 1 => atom (e.g., FONT or even SIZE)\r
- * 2 => int32\r
- * 3 => uint32\r
- * 0x10 => A flag to indicate a properties. This\r
- * is ORed with the above values.\r
- * ULONG item_value For strings => Offset into string table without\r
- * the corresponding double quotes.\r
- * For atoms => Offset into string table.\r
- * For integers => Direct value.\r
- *\r
- * All strings in the string table consist of bytes and are\r
- * zero-terminated.\r
- *\r
- */\r
-\r
-#ifdef TT_CONFIG_OPTION_BDF\r
-\r
- typedef struct TT_BDFRec_\r
- {\r
- FT_Byte* table;\r
- FT_Byte* table_end;\r
- FT_Byte* strings;\r
- FT_UInt32 strings_size;\r
- FT_UInt num_strikes;\r
- FT_Bool loaded;\r
-\r
- } TT_BDFRec, *TT_BDF;\r
-\r
-#endif /* TT_CONFIG_OPTION_BDF */\r
-\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*** ***/\r
- /*** ***/\r
- /*** ORIGINAL TT_FACE CLASS DEFINITION ***/\r
- /*** ***/\r
- /*** ***/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
- /*************************************************************************/\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* This structure/class is defined here because it is common to the */\r
- /* following formats: TTF, OpenType-TT, and OpenType-CFF. */\r
- /* */\r
- /* Note, however, that the classes TT_Size and TT_GlyphSlot are not */\r
- /* shared between font drivers, and are thus defined in `ttobjs.h'. */\r
- /* */\r
- /*************************************************************************/\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Type> */\r
- /* TT_Face */\r
- /* */\r
- /* <Description> */\r
- /* A handle to a TrueType face/font object. A TT_Face encapsulates */\r
- /* the resolution and scaling independent parts of a TrueType font */\r
- /* resource. */\r
- /* */\r
- /* <Note> */\r
- /* The TT_Face structure is also used as a `parent class' for the */\r
- /* OpenType-CFF class (T2_Face). */\r
- /* */\r
- typedef struct TT_FaceRec_* TT_Face;\r
-\r
-\r
- /* a function type used for the truetype bytecode interpreter hooks */\r
- typedef FT_Error\r
- (*TT_Interpreter)( void* exec_context );\r
-\r
- /* forward declaration */\r
- typedef struct TT_LoaderRec_* TT_Loader;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <FuncType> */\r
- /* TT_Loader_GotoTableFunc */\r
- /* */\r
- /* <Description> */\r
- /* Seeks a stream to the start of a given TrueType table. */\r
- /* */\r
- /* <Input> */\r
- /* face :: A handle to the target face object. */\r
- /* */\r
- /* tag :: A 4-byte tag used to name the table. */\r
- /* */\r
- /* stream :: The input stream. */\r
- /* */\r
- /* <Output> */\r
- /* length :: The length of the table in bytes. Set to 0 if not */\r
- /* needed. */\r
- /* */\r
- /* <Return> */\r
- /* FreeType error code. 0 means success. */\r
- /* */\r
- /* <Note> */\r
- /* The stream cursor must be at the font file's origin. */\r
- /* */\r
- typedef FT_Error\r
- (*TT_Loader_GotoTableFunc)( TT_Face face,\r
- FT_ULong tag,\r
- FT_Stream stream,\r
- FT_ULong* length );\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <FuncType> */\r
- /* TT_Loader_StartGlyphFunc */\r
- /* */\r
- /* <Description> */\r
- /* Seeks a stream to the start of a given glyph element, and opens a */\r
- /* frame for it. */\r
- /* */\r
- /* <Input> */\r
- /* loader :: The current TrueType glyph loader object. */\r
- /* */\r
- /* glyph index :: The index of the glyph to access. */\r
- /* */\r
- /* offset :: The offset of the glyph according to the */\r
- /* `locations' table. */\r
- /* */\r
- /* byte_count :: The size of the frame in bytes. */\r
- /* */\r
- /* <Return> */\r
- /* FreeType error code. 0 means success. */\r
- /* */\r
- /* <Note> */\r
- /* This function is normally equivalent to FT_STREAM_SEEK(offset) */\r
- /* followed by FT_FRAME_ENTER(byte_count) with the loader's stream, */\r
- /* but alternative formats (e.g. compressed ones) might use something */\r
- /* different. */\r
- /* */\r
- typedef FT_Error\r
- (*TT_Loader_StartGlyphFunc)( TT_Loader loader,\r
- FT_UInt glyph_index,\r
- FT_ULong offset,\r
- FT_UInt byte_count );\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <FuncType> */\r
- /* TT_Loader_ReadGlyphFunc */\r
- /* */\r
- /* <Description> */\r
- /* Reads one glyph element (its header, a simple glyph, or a */\r
- /* composite) from the loader's current stream frame. */\r
- /* */\r
- /* <Input> */\r
- /* loader :: The current TrueType glyph loader object. */\r
- /* */\r
- /* <Return> */\r
- /* FreeType error code. 0 means success. */\r
- /* */\r
- typedef FT_Error\r
- (*TT_Loader_ReadGlyphFunc)( TT_Loader loader );\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <FuncType> */\r
- /* TT_Loader_EndGlyphFunc */\r
- /* */\r
- /* <Description> */\r
- /* Closes the current loader stream frame for the glyph. */\r
- /* */\r
- /* <Input> */\r
- /* loader :: The current TrueType glyph loader object. */\r
- /* */\r
- typedef void\r
- (*TT_Loader_EndGlyphFunc)( TT_Loader loader );\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* TrueType Face Type */\r
- /* */\r
- /* <Struct> */\r
- /* TT_Face */\r
- /* */\r
- /* <Description> */\r
- /* The TrueType face class. These objects model the resolution and */\r
- /* point-size independent data found in a TrueType font file. */\r
- /* */\r
- /* <Fields> */\r
- /* root :: The base FT_Face structure, managed by the */\r
- /* base layer. */\r
- /* */\r
- /* ttc_header :: The TrueType collection header, used when */\r
- /* the file is a `ttc' rather than a `ttf'. */\r
- /* For ordinary font files, the field */\r
- /* `ttc_header.count' is set to 0. */\r
- /* */\r
- /* format_tag :: The font format tag. */\r
- /* */\r
- /* num_tables :: The number of TrueType tables in this font */\r
- /* file. */\r
- /* */\r
- /* dir_tables :: The directory of TrueType tables for this */\r
- /* font file. */\r
- /* */\r
- /* header :: The font's font header (`head' table). */\r
- /* Read on font opening. */\r
- /* */\r
- /* horizontal :: The font's horizontal header (`hhea' */\r
- /* table). This field also contains the */\r
- /* associated horizontal metrics table */\r
- /* (`hmtx'). */\r
- /* */\r
- /* max_profile :: The font's maximum profile table. Read on */\r
- /* font opening. Note that some maximum */\r
- /* values cannot be taken directly from this */\r
- /* table. We thus define additional fields */\r
- /* below to hold the computed maxima. */\r
- /* */\r
- /* vertical_info :: A boolean which is set when the font file */\r
- /* contains vertical metrics. If not, the */\r
- /* value of the `vertical' field is */\r
- /* undefined. */\r
- /* */\r
- /* vertical :: The font's vertical header (`vhea' table). */\r
- /* This field also contains the associated */\r
- /* vertical metrics table (`vmtx'), if found. */\r
- /* IMPORTANT: The contents of this field is */\r
- /* undefined if the `verticalInfo' field is */\r
- /* unset. */\r
- /* */\r
- /* num_names :: The number of name records within this */\r
- /* TrueType font. */\r
- /* */\r
- /* name_table :: The table of name records (`name'). */\r
- /* */\r
- /* os2 :: The font's OS/2 table (`OS/2'). */\r
- /* */\r
- /* postscript :: The font's PostScript table (`post' */\r
- /* table). The PostScript glyph names are */\r
- /* not loaded by the driver on face opening. */\r
- /* See the `ttpost' module for more details. */\r
- /* */\r
- /* cmap_table :: Address of the face's `cmap' SFNT table */\r
- /* in memory (it's an extracted frame). */\r
- /* */\r
- /* cmap_size :: The size in bytes of the `cmap_table' */\r
- /* described above. */\r
- /* */\r
- /* goto_table :: A function called by each TrueType table */\r
- /* loader to position a stream's cursor to */\r
- /* the start of a given table according to */\r
- /* its tag. It defaults to TT_Goto_Face but */\r
- /* can be different for strange formats (e.g. */\r
- /* Type 42). */\r
- /* */\r
- /* access_glyph_frame :: A function used to access the frame of a */\r
- /* given glyph within the face's font file. */\r
- /* */\r
- /* forget_glyph_frame :: A function used to forget the frame of a */\r
- /* given glyph when all data has been loaded. */\r
- /* */\r
- /* read_glyph_header :: A function used to read a glyph header. */\r
- /* It must be called between an `access' and */\r
- /* `forget'. */\r
- /* */\r
- /* read_simple_glyph :: A function used to read a simple glyph. */\r
- /* It must be called after the header was */\r
- /* read, and before the `forget'. */\r
- /* */\r
- /* read_composite_glyph :: A function used to read a composite glyph. */\r
- /* It must be called after the header was */\r
- /* read, and before the `forget'. */\r
- /* */\r
- /* sfnt :: A pointer to the SFNT service. */\r
- /* */\r
- /* psnames :: A pointer to the PostScript names service. */\r
- /* */\r
- /* hdmx :: The face's horizontal device metrics */\r
- /* (`hdmx' table). This table is optional in */\r
- /* TrueType/OpenType fonts. */\r
- /* */\r
- /* gasp :: The grid-fitting and scaling properties */\r
- /* table (`gasp'). This table is optional in */\r
- /* TrueType/OpenType fonts. */\r
- /* */\r
- /* pclt :: The `pclt' SFNT table. */\r
- /* */\r
- /* num_sbit_strikes :: The number of sbit strikes, i.e., bitmap */\r
- /* sizes, embedded in this font. */\r
- /* */\r
- /* sbit_strikes :: An array of sbit strikes embedded in this */\r
- /* font. This table is optional in a */\r
- /* TrueType/OpenType font. */\r
- /* */\r
- /* num_sbit_scales :: The number of sbit scales for this font. */\r
- /* */\r
- /* sbit_scales :: Array of sbit scales embedded in this */\r
- /* font. This table is optional in a */\r
- /* TrueType/OpenType font. */\r
- /* */\r
- /* postscript_names :: A table used to store the Postscript names */\r
- /* of the glyphs for this font. See the */\r
- /* file `ttconfig.h' for comments on the */\r
- /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES option. */\r
- /* */\r
- /* num_locations :: The number of glyph locations in this */\r
- /* TrueType file. This should be */\r
- /* identical to the number of glyphs. */\r
- /* Ignored for Type 2 fonts. */\r
- /* */\r
- /* glyph_locations :: An array of longs. These are offsets to */\r
- /* glyph data within the `glyf' table. */\r
- /* Ignored for Type 2 font faces. */\r
- /* */\r
- /* glyf_len :: The length of the `glyf' table. Needed */\r
- /* for malformed `loca' tables. */\r
- /* */\r
- /* font_program_size :: Size in bytecodes of the face's font */\r
- /* program. 0 if none defined. Ignored for */\r
- /* Type 2 fonts. */\r
- /* */\r
- /* font_program :: The face's font program (bytecode stream) */\r
- /* executed at load time, also used during */\r
- /* glyph rendering. Comes from the `fpgm' */\r
- /* table. Ignored for Type 2 font fonts. */\r
- /* */\r
- /* cvt_program_size :: The size in bytecodes of the face's cvt */\r
- /* program. Ignored for Type 2 fonts. */\r
- /* */\r
- /* cvt_program :: The face's cvt program (bytecode stream) */\r
- /* executed each time an instance/size is */\r
- /* changed/reset. Comes from the `prep' */\r
- /* table. Ignored for Type 2 fonts. */\r
- /* */\r
- /* cvt_size :: Size of the control value table (in */\r
- /* entries). Ignored for Type 2 fonts. */\r
- /* */\r
- /* cvt :: The face's original control value table. */\r
- /* Coordinates are expressed in unscaled font */\r
- /* units. Comes from the `cvt ' table. */\r
- /* Ignored for Type 2 fonts. */\r
- /* */\r
- /* num_kern_pairs :: The number of kerning pairs present in the */\r
- /* font file. The engine only loads the */\r
- /* first horizontal format 0 kern table it */\r
- /* finds in the font file. Ignored for */\r
- /* Type 2 fonts. */\r
- /* */\r
- /* kern_table_index :: The index of the kerning table in the font */\r
- /* kerning directory. Ignored for Type 2 */\r
- /* fonts. */\r
- /* */\r
- /* interpreter :: A pointer to the TrueType bytecode */\r
- /* interpreters field is also used to hook */\r
- /* the debugger in `ttdebug'. */\r
- /* */\r
- /* unpatented_hinting :: If true, use only unpatented methods in */\r
- /* the bytecode interpreter. */\r
- /* */\r
- /* doblend :: A boolean which is set if the font should */\r
- /* be blended (this is for GX var). */\r
- /* */\r
- /* blend :: Contains the data needed to control GX */\r
- /* variation tables (rather like Multiple */\r
- /* Master data). */\r
- /* */\r
- /* extra :: Reserved for third-party font drivers. */\r
- /* */\r
- /* postscript_name :: The PS name of the font. Used by the */\r
- /* postscript name service. */\r
- /* */\r
- typedef struct TT_FaceRec_\r
- {\r
- FT_FaceRec root;\r
-\r
- TTC_HeaderRec ttc_header;\r
-\r
- FT_ULong format_tag;\r
- FT_UShort num_tables;\r
- TT_Table dir_tables;\r
-\r
- TT_Header header; /* TrueType header table */\r
- TT_HoriHeader horizontal; /* TrueType horizontal header */\r
-\r
- TT_MaxProfile max_profile;\r
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS\r
- FT_ULong max_components; /* stubbed to 0 */\r
-#endif\r
-\r
- FT_Bool vertical_info;\r
- TT_VertHeader vertical; /* TT Vertical header, if present */\r
-\r
- FT_UShort num_names; /* number of name records */\r
- TT_NameTableRec name_table; /* name table */\r
-\r
- TT_OS2 os2; /* TrueType OS/2 table */\r
- TT_Postscript postscript; /* TrueType Postscript table */\r
-\r
- FT_Byte* cmap_table; /* extracted `cmap' table */\r
- FT_ULong cmap_size;\r
-\r
- TT_Loader_GotoTableFunc goto_table;\r
-\r
- TT_Loader_StartGlyphFunc access_glyph_frame;\r
- TT_Loader_EndGlyphFunc forget_glyph_frame;\r
- TT_Loader_ReadGlyphFunc read_glyph_header;\r
- TT_Loader_ReadGlyphFunc read_simple_glyph;\r
- TT_Loader_ReadGlyphFunc read_composite_glyph;\r
-\r
- /* a typeless pointer to the SFNT_Interface table used to load */\r
- /* the basic TrueType tables in the face object */\r
- void* sfnt;\r
-\r
- /* a typeless pointer to the FT_Service_PsCMapsRec table used to */\r
- /* handle glyph names <-> unicode & Mac values */\r
- void* psnames;\r
-\r
-\r
- /***********************************************************************/\r
- /* */\r
- /* Optional TrueType/OpenType tables */\r
- /* */\r
- /***********************************************************************/\r
-\r
- /* horizontal device metrics */\r
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS\r
- TT_HdmxRec hdmx;\r
-#endif\r
-\r
- /* grid-fitting and scaling table */\r
- TT_GaspRec gasp; /* the `gasp' table */\r
-\r
- /* PCL 5 table */\r
- TT_PCLT pclt;\r
-\r
- /* embedded bitmaps support */\r
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS\r
- FT_ULong num_sbit_strikes;\r
- TT_SBit_Strike sbit_strikes;\r
-#endif\r
-\r
- FT_ULong num_sbit_scales;\r
- TT_SBit_Scale sbit_scales;\r
-\r
- /* postscript names table */\r
- TT_Post_NamesRec postscript_names;\r
-\r
-\r
- /***********************************************************************/\r
- /* */\r
- /* TrueType-specific fields (ignored by the OTF-Type2 driver) */\r
- /* */\r
- /***********************************************************************/\r
-\r
- /* the glyph locations */\r
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS\r
- FT_UShort num_locations_stub;\r
- FT_Long* glyph_locations_stub;\r
-#endif\r
-\r
- /* the font program, if any */\r
- FT_ULong font_program_size;\r
- FT_Byte* font_program;\r
-\r
- /* the cvt program, if any */\r
- FT_ULong cvt_program_size;\r
- FT_Byte* cvt_program;\r
-\r
- /* the original, unscaled, control value table */\r
- FT_ULong cvt_size;\r
- FT_Short* cvt;\r
-\r
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS\r
- /* the format 0 kerning table, if any */\r
- FT_Int num_kern_pairs;\r
- FT_Int kern_table_index;\r
- TT_Kern0_Pair kern_pairs;\r
-#endif\r
-\r
- /* A pointer to the bytecode interpreter to use. This is also */\r
- /* used to hook the debugger for the `ttdebug' utility. */\r
- TT_Interpreter interpreter;\r
-\r
-#ifdef TT_CONFIG_OPTION_UNPATENTED_HINTING\r
- /* Use unpatented hinting only. */\r
- FT_Bool unpatented_hinting;\r
-#endif\r
-\r
- /***********************************************************************/\r
- /* */\r
- /* Other tables or fields. This is used by derivative formats like */\r
- /* OpenType. */\r
- /* */\r
- /***********************************************************************/\r
-\r
- FT_Generic extra;\r
-\r
- const char* postscript_name;\r
-\r
- /* since version 2.1.8, but was originally placed after */\r
- /* `glyph_locations_stub' */\r
- FT_ULong glyf_len;\r
-\r
- /* since version 2.1.8, but was originally placed before `extra' */\r
-#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT\r
- FT_Bool doblend;\r
- GX_Blend blend;\r
-#endif\r
-\r
- /* since version 2.2 */\r
-\r
- FT_Byte* horz_metrics;\r
- FT_ULong horz_metrics_size;\r
-\r
- FT_Byte* vert_metrics;\r
- FT_ULong vert_metrics_size;\r
-\r
- FT_UInt num_locations;\r
- FT_Byte* glyph_locations;\r
-\r
- FT_Byte* hdmx_table;\r
- FT_ULong hdmx_table_size;\r
- FT_UInt hdmx_record_count;\r
- FT_ULong hdmx_record_size;\r
- FT_Byte* hdmx_record_sizes;\r
-\r
- FT_Byte* sbit_table;\r
- FT_ULong sbit_table_size;\r
- FT_UInt sbit_num_strikes;\r
-\r
- FT_Byte* kern_table;\r
- FT_ULong kern_table_size;\r
- FT_UInt num_kern_tables;\r
- FT_UInt32 kern_avail_bits;\r
- FT_UInt32 kern_order_bits;\r
-\r
-#ifdef TT_CONFIG_OPTION_BDF\r
- TT_BDFRec bdf;\r
-#endif /* TT_CONFIG_OPTION_BDF */\r
-\r
- /* since 2.3.0 */\r
- FT_ULong horz_metrics_offset;\r
- FT_ULong vert_metrics_offset;\r
-\r
- } TT_FaceRec;\r
-\r
-\r
- /*************************************************************************/\r
- /* */\r
- /* <Struct> */\r
- /* TT_GlyphZoneRec */\r
- /* */\r
- /* <Description> */\r
- /* A glyph zone is used to load, scale and hint glyph outline */\r
- /* coordinates. */\r
- /* */\r
- /* <Fields> */\r
- /* memory :: A handle to the memory manager. */\r
- /* */\r
- /* max_points :: The maximal size in points of the zone. */\r
- /* */\r
- /* max_contours :: Max size in links contours of the zone. */\r
- /* */\r
- /* n_points :: The current number of points in the zone. */\r
- /* */\r
- /* n_contours :: The current number of contours in the zone. */\r
- /* */\r
- /* org :: The original glyph coordinates (font */\r
- /* units/scaled). */\r
- /* */\r
- /* cur :: The current glyph coordinates (scaled/hinted). */\r
- /* */\r
- /* tags :: The point control tags. */\r
- /* */\r
- /* contours :: The contours end points. */\r
- /* */\r
- /* first_point :: Offset of the current subglyph's first point. */\r
- /* */\r
- typedef struct TT_GlyphZoneRec_\r
- {\r
- FT_Memory memory;\r
- FT_UShort max_points;\r
- FT_UShort max_contours;\r
- FT_UShort n_points; /* number of points in zone */\r
- FT_Short n_contours; /* number of contours */\r
-\r
- FT_Vector* org; /* original point coordinates */\r
- FT_Vector* cur; /* current point coordinates */\r
- FT_Vector* orus; /* original (unscaled) point coordinates */\r
-\r
- FT_Byte* tags; /* current touch flags */\r
- FT_UShort* contours; /* contour end points */\r
-\r
- FT_UShort first_point; /* offset of first (#0) point */\r
-\r
- } TT_GlyphZoneRec, *TT_GlyphZone;\r
-\r
-\r
- /* handle to execution context */\r
- typedef struct TT_ExecContextRec_* TT_ExecContext;\r
-\r
- /* glyph loader structure */\r
- typedef struct TT_LoaderRec_\r
- {\r
- FT_Face face;\r
- FT_Size size;\r
- FT_GlyphSlot glyph;\r
- FT_GlyphLoader gloader;\r
-\r
- FT_ULong load_flags;\r
- FT_UInt glyph_index;\r
-\r
- FT_Stream stream;\r
- FT_Int byte_len;\r
-\r
- FT_Short n_contours;\r
- FT_BBox bbox;\r
- FT_Int left_bearing;\r
- FT_Int advance;\r
- FT_Int linear;\r
- FT_Bool linear_def;\r
- FT_Bool preserve_pps;\r
- FT_Vector pp1;\r
- FT_Vector pp2;\r
-\r
- FT_ULong glyf_offset;\r
-\r
- /* the zone where we load our glyphs */\r
- TT_GlyphZoneRec base;\r
- TT_GlyphZoneRec zone;\r
-\r
- TT_ExecContext exec;\r
- FT_Byte* instructions;\r
- FT_ULong ins_pos;\r
-\r
- /* for possible extensibility in other formats */\r
- void* other;\r
-\r
- /* since version 2.1.8 */\r
- FT_Int top_bearing;\r
- FT_Int vadvance;\r
- FT_Vector pp3;\r
- FT_Vector pp4;\r
-\r
- /* since version 2.2.1 */\r
- FT_Byte* cursor;\r
- FT_Byte* limit;\r
-\r
- } TT_LoaderRec;\r
-\r
-\r
-FT_END_HEADER\r
-\r
-#endif /* __TTTYPES_H__ */\r
-\r
-\r
-/* END */\r
+/***************************************************************************/
+/* */
+/* tttypes.h */
+/* */
+/* Basic SFNT/TrueType type definitions and interface (specification */
+/* only). */
+/* */
+/* Copyright 1996-2001, 2002, 2004, 2005, 2006, 2007 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
+
+#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
+#include FT_MULTIPLE_MASTERS_H
+#endif
+
+
+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_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_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;
+
+
+#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
+
+ /*************************************************************************/
+ /* */
+ /* <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;
+
+#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+ /*** ***/
+ /*** ***/
+ /*** 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> */
+ /* height :: The glyph height in pixels. */
+ /* */
+ /* width :: The glyph width in pixels. */
+ /* */
+ /* horiBearingX :: The horizontal left bearing. */
+ /* */
+ /* horiBearingY :: The horizontal top bearing. */
+ /* */
+ /* horiAdvance :: The horizontal advance. */
+ /* */
+ /* vertBearingX :: The vertical left bearing. */
+ /* */
+ /* vertBearingY :: The vertical top bearing. */
+ /* */
+ /* vertAdvance :: The vertical advance. */
+ /* */
+ typedef struct TT_SBit_MetricsRec_
+ {
+ FT_Byte height;
+ FT_Byte width;
+
+ FT_Char horiBearingX;
+ FT_Char horiBearingY;
+ FT_Byte horiAdvance;
+
+ FT_Char vertBearingX;
+ FT_Char vertBearingY;
+ FT_Byte vertAdvance;
+
+ } TT_SBit_MetricsRec, *TT_SBit_Metrics;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* TT_SBit_SmallMetricsRec */
+ /* */
+ /* <Description> */
+ /* A structure used to hold the small metrics of a given glyph bitmap */
+ /* in a TrueType or OpenType font. These are usually found in the */
+ /* `EBDT' (Microsoft) or the `bdat' (Apple) table. */
+ /* */
+ /* <Fields> */
+ /* height :: The glyph height in pixels. */
+ /* */
+ /* width :: The glyph width in pixels. */
+ /* */
+ /* bearingX :: The left-side bearing. */
+ /* */
+ /* bearingY :: The top-side bearing. */
+ /* */
+ /* advance :: The advance width or height. */
+ /* */
+ typedef struct TT_SBit_Small_Metrics_
+ {
+ FT_Byte height;
+ FT_Byte width;
+
+ FT_Char bearingX;
+ FT_Char bearingY;
+ FT_Byte advance;
+
+ } TT_SBit_SmallMetricsRec, *TT_SBit_SmallMetrics;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* TT_SBit_LineMetricsRec */
+ /* */
+ /* <Description> */
+ /* A structure used to describe the text line metrics of a given */
+ /* bitmap strike, for either a horizontal or vertical layout. */
+ /* */
+ /* <Fields> */
+ /* ascender :: The ascender in pixels. */
+ /* */
+ /* descender :: The descender in pixels. */
+ /* */
+ /* max_width :: The maximum glyph width in pixels. */
+ /* */
+ /* caret_slope_enumerator :: Rise of the caret slope, typically set */
+ /* to 1 for non-italic fonts. */
+ /* */
+ /* caret_slope_denominator :: Rise of the caret slope, typically set */
+ /* to 0 for non-italic fonts. */
+ /* */
+ /* caret_offset :: Offset in pixels to move the caret for */
+ /* proper positioning. */
+ /* */
+ /* min_origin_SB :: Minimum of horiBearingX (resp. */
+ /* vertBearingY). */
+ /* min_advance_SB :: Minimum of */
+ /* */
+ /* horizontal advance - */
+ /* ( horiBearingX + width ) */
+ /* */
+ /* resp. */
+ /* */
+ /* vertical advance - */
+ /* ( vertBearingY + height ) */
+ /* */
+ /* max_before_BL :: Maximum of horiBearingY (resp. */
+ /* vertBearingY). */
+ /* */
+ /* min_after_BL :: Minimum of */
+ /* */
+ /* horiBearingY - height */
+ /* */
+ /* resp. */
+ /* */
+ /* vertBearingX - width */
+ /* */
+ /* pads :: Unused (to make the size of the record */
+ /* a multiple of 32 bits. */
+ /* */
+ typedef struct TT_SBit_LineMetricsRec_
+ {
+ FT_Char ascender;
+ FT_Char descender;
+ FT_Byte max_width;
+ FT_Char caret_slope_numerator;
+ FT_Char caret_slope_denominator;
+ FT_Char caret_offset;
+ FT_Char min_origin_SB;
+ FT_Char min_advance_SB;
+ FT_Char max_before_BL;
+ FT_Char min_after_BL;
+ FT_Char pads[2];
+
+ } TT_SBit_LineMetricsRec, *TT_SBit_LineMetrics;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* TT_SBit_RangeRec */
+ /* */
+ /* <Description> */
+ /* A TrueType/OpenType subIndexTable as defined in the `EBLC' */
+ /* (Microsoft) or `bloc' (Apple) tables. */
+ /* */
+ /* <Fields> */
+ /* first_glyph :: The first glyph index in the range. */
+ /* */
+ /* last_glyph :: The last glyph index in the range. */
+ /* */
+ /* index_format :: The format of index table. Valid values are 1 */
+ /* to 5. */
+ /* */
+ /* image_format :: The format of `EBDT' image data. */
+ /* */
+ /* image_offset :: The offset to image data in `EBDT'. */
+ /* */
+ /* image_size :: For index formats 2 and 5. This is the size in */
+ /* bytes of each glyph bitmap. */
+ /* */
+ /* big_metrics :: For index formats 2 and 5. This is the big */
+ /* metrics for each glyph bitmap. */
+ /* */
+ /* num_glyphs :: For index formats 4 and 5. This is the number of */
+ /* glyphs in the code array. */
+ /* */
+ /* glyph_offsets :: For index formats 1 and 3. */
+ /* */
+ /* glyph_codes :: For index formats 4 and 5. */
+ /* */
+ /* table_offset :: The offset of the index table in the `EBLC' */
+ /* table. Only used during strike loading. */
+ /* */
+ typedef struct TT_SBit_RangeRec
+ {
+ FT_UShort first_glyph;
+ FT_UShort last_glyph;
+
+ FT_UShort index_format;
+ FT_UShort image_format;
+ FT_ULong image_offset;
+
+ FT_ULong image_size;
+ TT_SBit_MetricsRec metrics;
+ FT_ULong num_glyphs;
+
+ FT_ULong* glyph_offsets;
+ FT_UShort* glyph_codes;
+
+ FT_ULong table_offset;
+
+ } TT_SBit_RangeRec, *TT_SBit_Range;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* TT_SBit_StrikeRec */
+ /* */
+ /* <Description> */
+ /* A structure used describe a given bitmap strike in the `EBLC' */
+ /* (Microsoft) or `bloc' (Apple) tables. */
+ /* */
+ /* <Fields> */
+ /* num_index_ranges :: The number of index ranges. */
+ /* */
+ /* index_ranges :: An array of glyph index ranges. */
+ /* */
+ /* color_ref :: Unused. `color_ref' is put in for future */
+ /* enhancements, but these fields are already */
+ /* in use by other platforms (e.g. Newton). */
+ /* For details, please see */
+ /* */
+ /* http://fonts.apple.com/ */
+ /* TTRefMan/RM06/Chap6bloc.html */
+ /* */
+ /* hori :: The line metrics for horizontal layouts. */
+ /* */
+ /* vert :: The line metrics for vertical layouts. */
+ /* */
+ /* start_glyph :: The lowest glyph index for this strike. */
+ /* */
+ /* end_glyph :: The highest glyph index for this strike. */
+ /* */
+ /* x_ppem :: The number of horizontal pixels per EM. */
+ /* */
+ /* y_ppem :: The number of vertical pixels per EM. */
+ /* */
+ /* bit_depth :: The bit depth. Valid values are 1, 2, 4, */
+ /* and 8. */
+ /* */
+ /* flags :: Is this a vertical or horizontal strike? For */
+ /* details, please see */
+ /* */
+ /* http://fonts.apple.com/ */
+ /* TTRefMan/RM06/Chap6bloc.html */
+ /* */
+ typedef struct TT_SBit_StrikeRec_
+ {
+ FT_Int num_ranges;
+ TT_SBit_Range sbit_ranges;
+ FT_ULong ranges_offset;
+
+ FT_ULong color_ref;
+
+ TT_SBit_LineMetricsRec hori;
+ TT_SBit_LineMetricsRec vert;
+
+ FT_UShort start_glyph;
+ FT_UShort end_glyph;
+
+ FT_Byte x_ppem;
+ FT_Byte y_ppem;
+
+ FT_Byte bit_depth;
+ FT_Char flags;
+
+ } TT_SBit_StrikeRec, *TT_SBit_Strike;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* TT_SBit_ComponentRec */
+ /* */
+ /* <Description> */
+ /* A simple structure to describe a compound sbit element. */
+ /* */
+ /* <Fields> */
+ /* glyph_code :: The element's glyph index. */
+ /* */
+ /* x_offset :: The element's left bearing. */
+ /* */
+ /* y_offset :: The element's top bearing. */
+ /* */
+ typedef struct TT_SBit_ComponentRec_
+ {
+ FT_UShort glyph_code;
+ FT_Char x_offset;
+ FT_Char y_offset;
+
+ } TT_SBit_ComponentRec, *TT_SBit_Component;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* TT_SBit_ScaleRec */
+ /* */
+ /* <Description> */
+ /* A structure used describe a given bitmap scaling table, as defined */
+ /* in the `EBSC' table. */
+ /* */
+ /* <Fields> */
+ /* hori :: The horizontal line metrics. */
+ /* */
+ /* vert :: The vertical line metrics. */
+ /* */
+ /* x_ppem :: The number of horizontal pixels per EM. */
+ /* */
+ /* y_ppem :: The number of vertical pixels per EM. */
+ /* */
+ /* x_ppem_substitute :: Substitution x_ppem value. */
+ /* */
+ /* y_ppem_substitute :: Substitution y_ppem value. */
+ /* */
+ typedef struct TT_SBit_ScaleRec_
+ {
+ TT_SBit_LineMetricsRec hori;
+ TT_SBit_LineMetricsRec vert;
+
+ FT_Byte x_ppem;
+ FT_Byte y_ppem;
+
+ FT_Byte x_ppem_substitute;
+ FT_Byte y_ppem_substitute;
+
+ } TT_SBit_ScaleRec, *TT_SBit_Scale;
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+ /*** ***/
+ /*** ***/
+ /*** POSTSCRIPT GLYPH NAMES SUPPORT ***/
+ /*** ***/
+ /*** ***/
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* TT_Post_20Rec */
+ /* */
+ /* <Description> */
+ /* Postscript names sub-table, format 2.0. Stores the PS name of */
+ /* each glyph in the font face. */
+ /* */
+ /* <Fields> */
+ /* num_glyphs :: The number of named glyphs in the table. */
+ /* */
+ /* num_names :: The number of PS names stored in the table. */
+ /* */
+ /* glyph_indices :: The indices of the glyphs in the names arrays. */
+ /* */
+ /* glyph_names :: The PS names not in Mac Encoding. */
+ /* */
+ typedef struct TT_Post_20Rec_
+ {
+ FT_UShort num_glyphs;
+ FT_UShort num_names;
+ FT_UShort* glyph_indices;
+ FT_Char** glyph_names;
+
+ } TT_Post_20Rec, *TT_Post_20;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* TT_Post_25Rec */
+ /* */
+ /* <Description> */
+ /* Postscript names sub-table, format 2.5. Stores the PS name of */
+ /* each glyph in the font face. */
+ /* */
+ /* <Fields> */
+ /* num_glyphs :: The number of glyphs in the table. */
+ /* */
+ /* offsets :: An array of signed offsets in a normal Mac */
+ /* Postscript name encoding. */
+ /* */
+ typedef struct TT_Post_25_
+ {
+ FT_UShort num_glyphs;
+ FT_Char* offsets;
+
+ } TT_Post_25Rec, *TT_Post_25;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* TT_Post_NamesRec */
+ /* */
+ /* <Description> */
+ /* Postscript names table, either format 2.0 or 2.5. */
+ /* */
+ /* <Fields> */
+ /* loaded :: A flag to indicate whether the PS names are loaded. */
+ /* */
+ /* format_20 :: The sub-table used for format 2.0. */
+ /* */
+ /* format_25 :: The sub-table used for format 2.5. */
+ /* */
+ typedef struct TT_Post_NamesRec_
+ {
+ FT_Bool loaded;
+
+ union
+ {
+ TT_Post_20Rec format_20;
+ TT_Post_25Rec format_25;
+
+ } names;
+
+ } TT_Post_NamesRec, *TT_Post_Names;
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+ /*** ***/
+ /*** ***/
+ /*** GX VARIATION TABLE SUPPORT ***/
+ /*** ***/
+ /*** ***/
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+
+
+#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
+ typedef struct GX_BlendRec_ *GX_Blend;
+#endif
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+ /*** ***/
+ /*** ***/
+ /*** EMBEDDED BDF PROPERTIES TABLE SUPPORT ***/
+ /*** ***/
+ /*** ***/
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ /*
+ * These types are used to support a `BDF ' table that isn't part of the
+ * official TrueType specification. It is mainly used in SFNT-based
+ * bitmap fonts that were generated from a set of BDF fonts.
+ *
+ * The format of the table is as follows.
+ *
+ * USHORT version `BDF ' table version number, should be 0x0001.
+ * USHORT strikeCount Number of strikes (bitmap sizes) in this table.
+ * ULONG stringTable Offset (from start of BDF table) to string
+ * table.
+ *
+ * This is followed by an array of `strikeCount' descriptors, having the
+ * following format.
+ *
+ * USHORT ppem Vertical pixels per EM for this strike.
+ * USHORT numItems Number of items for this strike (properties and
+ * atoms). Maximum is 255.
+ *
+ * This array in turn is followed by `strikeCount' value sets. Each
+ * `value set' is an array of `numItems' items with the following format.
+ *
+ * ULONG item_name Offset in string table to item name.
+ * USHORT item_type The item type. Possible values are
+ * 0 => string (e.g., COMMENT)
+ * 1 => atom (e.g., FONT or even SIZE)
+ * 2 => int32
+ * 3 => uint32
+ * 0x10 => A flag to indicate a properties. This
+ * is ORed with the above values.
+ * ULONG item_value For strings => Offset into string table without
+ * the corresponding double quotes.
+ * For atoms => Offset into string table.
+ * For integers => Direct value.
+ *
+ * All strings in the string table consist of bytes and are
+ * zero-terminated.
+ *
+ */
+
+#ifdef TT_CONFIG_OPTION_BDF
+
+ typedef struct TT_BDFRec_
+ {
+ FT_Byte* table;
+ FT_Byte* table_end;
+ FT_Byte* strings;
+ FT_UInt32 strings_size;
+ FT_UInt num_strikes;
+ FT_Bool loaded;
+
+ } TT_BDFRec, *TT_BDF;
+
+#endif /* TT_CONFIG_OPTION_BDF */
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+ /*** ***/
+ /*** ***/
+ /*** ORIGINAL TT_FACE CLASS DEFINITION ***/
+ /*** ***/
+ /*** ***/
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+
+
+ /*************************************************************************/
+ /* */
+ /* This structure/class is defined here because it is common to the */
+ /* following formats: TTF, OpenType-TT, and OpenType-CFF. */
+ /* */
+ /* Note, however, that the classes TT_Size and TT_GlyphSlot are not */
+ /* shared between font drivers, and are thus defined in `ttobjs.h'. */
+ /* */
+ /*************************************************************************/
+
+
+ /*************************************************************************/
+ /* */
+ /* <Type> */
+ /* TT_Face */
+ /* */
+ /* <Description> */
+ /* A handle to a TrueType face/font object. A TT_Face encapsulates */
+ /* the resolution and scaling independent parts of a TrueType font */
+ /* resource. */
+ /* */
+ /* <Note> */
+ /* The TT_Face structure is also used as a `parent class' for the */
+ /* OpenType-CFF class (T2_Face). */
+ /* */
+ typedef struct TT_FaceRec_* TT_Face;
+
+
+ /* a function type used for the truetype bytecode interpreter hooks */
+ typedef FT_Error
+ (*TT_Interpreter)( void* exec_context );
+
+ /* forward declaration */
+ typedef struct TT_LoaderRec_* TT_Loader;
+
+
+ /*************************************************************************/
+ /* */
+ /* <FuncType> */
+ /* TT_Loader_GotoTableFunc */
+ /* */
+ /* <Description> */
+ /* Seeks a stream to the start of a given TrueType table. */
+ /* */
+ /* <Input> */
+ /* face :: A handle to the target face object. */
+ /* */
+ /* tag :: A 4-byte tag used to name the table. */
+ /* */
+ /* stream :: The input stream. */
+ /* */
+ /* <Output> */
+ /* length :: The length of the table in bytes. Set to 0 if not */
+ /* needed. */
+ /* */
+ /* <Return> */
+ /* FreeType error code. 0 means success. */
+ /* */
+ /* <Note> */
+ /* The stream cursor must be at the font file's origin. */
+ /* */
+ typedef FT_Error
+ (*TT_Loader_GotoTableFunc)( TT_Face face,
+ FT_ULong tag,
+ FT_Stream stream,
+ FT_ULong* length );
+
+
+ /*************************************************************************/
+ /* */
+ /* <FuncType> */
+ /* TT_Loader_StartGlyphFunc */
+ /* */
+ /* <Description> */
+ /* Seeks a stream to the start of a given glyph element, and opens a */
+ /* frame for it. */
+ /* */
+ /* <Input> */
+ /* loader :: The current TrueType glyph loader object. */
+ /* */
+ /* glyph index :: The index of the glyph to access. */
+ /* */
+ /* offset :: The offset of the glyph according to the */
+ /* `locations' table. */
+ /* */
+ /* byte_count :: The size of the frame in bytes. */
+ /* */
+ /* <Return> */
+ /* FreeType error code. 0 means success. */
+ /* */
+ /* <Note> */
+ /* This function is normally equivalent to FT_STREAM_SEEK(offset) */
+ /* followed by FT_FRAME_ENTER(byte_count) with the loader's stream, */
+ /* but alternative formats (e.g. compressed ones) might use something */
+ /* different. */
+ /* */
+ typedef FT_Error
+ (*TT_Loader_StartGlyphFunc)( TT_Loader loader,
+ FT_UInt glyph_index,
+ FT_ULong offset,
+ FT_UInt byte_count );
+
+
+ /*************************************************************************/
+ /* */
+ /* <FuncType> */
+ /* TT_Loader_ReadGlyphFunc */
+ /* */
+ /* <Description> */
+ /* Reads one glyph element (its header, a simple glyph, or a */
+ /* composite) from the loader's current stream frame. */
+ /* */
+ /* <Input> */
+ /* loader :: The current TrueType glyph loader object. */
+ /* */
+ /* <Return> */
+ /* FreeType error code. 0 means success. */
+ /* */
+ typedef FT_Error
+ (*TT_Loader_ReadGlyphFunc)( TT_Loader loader );
+
+
+ /*************************************************************************/
+ /* */
+ /* <FuncType> */
+ /* TT_Loader_EndGlyphFunc */
+ /* */
+ /* <Description> */
+ /* Closes the current loader stream frame for the glyph. */
+ /* */
+ /* <Input> */
+ /* loader :: The current TrueType glyph loader object. */
+ /* */
+ typedef void
+ (*TT_Loader_EndGlyphFunc)( TT_Loader loader );
+
+
+ /*************************************************************************/
+ /* */
+ /* TrueType Face Type */
+ /* */
+ /* <Struct> */
+ /* TT_Face */
+ /* */
+ /* <Description> */
+ /* The TrueType face class. These objects model the resolution and */
+ /* point-size independent data found in a TrueType font file. */
+ /* */
+ /* <Fields> */
+ /* root :: The base FT_Face structure, managed by the */
+ /* base layer. */
+ /* */
+ /* ttc_header :: The TrueType collection header, used when */
+ /* the file is a `ttc' rather than a `ttf'. */
+ /* For ordinary font files, the field */
+ /* `ttc_header.count' is set to 0. */
+ /* */
+ /* format_tag :: The font format tag. */
+ /* */
+ /* num_tables :: The number of TrueType tables in this font */
+ /* file. */
+ /* */
+ /* dir_tables :: The directory of TrueType tables for this */
+ /* font file. */
+ /* */
+ /* header :: The font's font header (`head' table). */
+ /* Read on font opening. */
+ /* */
+ /* horizontal :: The font's horizontal header (`hhea' */
+ /* table). This field also contains the */
+ /* associated horizontal metrics table */
+ /* (`hmtx'). */
+ /* */
+ /* max_profile :: The font's maximum profile table. Read on */
+ /* font opening. Note that some maximum */
+ /* values cannot be taken directly from this */
+ /* table. We thus define additional fields */
+ /* below to hold the computed maxima. */
+ /* */
+ /* vertical_info :: A boolean which is set when the font file */
+ /* contains vertical metrics. If not, the */
+ /* value of the `vertical' field is */
+ /* undefined. */
+ /* */
+ /* vertical :: The font's vertical header (`vhea' table). */
+ /* This field also contains the associated */
+ /* vertical metrics table (`vmtx'), if found. */
+ /* IMPORTANT: The contents of this field is */
+ /* undefined if the `verticalInfo' field is */
+ /* unset. */
+ /* */
+ /* num_names :: The number of name records within this */
+ /* TrueType font. */
+ /* */
+ /* name_table :: The table of name records (`name'). */
+ /* */
+ /* os2 :: The font's OS/2 table (`OS/2'). */
+ /* */
+ /* postscript :: The font's PostScript table (`post' */
+ /* table). The PostScript glyph names are */
+ /* not loaded by the driver on face opening. */
+ /* See the `ttpost' module for more details. */
+ /* */
+ /* cmap_table :: Address of the face's `cmap' SFNT table */
+ /* in memory (it's an extracted frame). */
+ /* */
+ /* cmap_size :: The size in bytes of the `cmap_table' */
+ /* described above. */
+ /* */
+ /* goto_table :: A function called by each TrueType table */
+ /* loader to position a stream's cursor to */
+ /* the start of a given table according to */
+ /* its tag. It defaults to TT_Goto_Face but */
+ /* can be different for strange formats (e.g. */
+ /* Type 42). */
+ /* */
+ /* access_glyph_frame :: A function used to access the frame of a */
+ /* given glyph within the face's font file. */
+ /* */
+ /* forget_glyph_frame :: A function used to forget the frame of a */
+ /* given glyph when all data has been loaded. */
+ /* */
+ /* read_glyph_header :: A function used to read a glyph header. */
+ /* It must be called between an `access' and */
+ /* `forget'. */
+ /* */
+ /* read_simple_glyph :: A function used to read a simple glyph. */
+ /* It must be called after the header was */
+ /* read, and before the `forget'. */
+ /* */
+ /* read_composite_glyph :: A function used to read a composite glyph. */
+ /* It must be called after the header was */
+ /* read, and before the `forget'. */
+ /* */
+ /* sfnt :: A pointer to the SFNT service. */
+ /* */
+ /* psnames :: A pointer to the PostScript names service. */
+ /* */
+ /* hdmx :: The face's horizontal device metrics */
+ /* (`hdmx' table). This table is optional in */
+ /* TrueType/OpenType fonts. */
+ /* */
+ /* gasp :: The grid-fitting and scaling properties */
+ /* table (`gasp'). This table is optional in */
+ /* TrueType/OpenType fonts. */
+ /* */
+ /* pclt :: The `pclt' SFNT table. */
+ /* */
+ /* num_sbit_strikes :: The number of sbit strikes, i.e., bitmap */
+ /* sizes, embedded in this font. */
+ /* */
+ /* sbit_strikes :: An array of sbit strikes embedded in this */
+ /* font. This table is optional in a */
+ /* TrueType/OpenType font. */
+ /* */
+ /* num_sbit_scales :: The number of sbit scales for this font. */
+ /* */
+ /* sbit_scales :: Array of sbit scales embedded in this */
+ /* font. This table is optional in a */
+ /* TrueType/OpenType font. */
+ /* */
+ /* postscript_names :: A table used to store the Postscript names */
+ /* of the glyphs for this font. See the */
+ /* file `ttconfig.h' for comments on the */
+ /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES option. */
+ /* */
+ /* num_locations :: The number of glyph locations in this */
+ /* TrueType file. This should be */
+ /* identical to the number of glyphs. */
+ /* Ignored for Type 2 fonts. */
+ /* */
+ /* glyph_locations :: An array of longs. These are offsets to */
+ /* glyph data within the `glyf' table. */
+ /* Ignored for Type 2 font faces. */
+ /* */
+ /* glyf_len :: The length of the `glyf' table. Needed */
+ /* for malformed `loca' tables. */
+ /* */
+ /* font_program_size :: Size in bytecodes of the face's font */
+ /* program. 0 if none defined. Ignored for */
+ /* Type 2 fonts. */
+ /* */
+ /* font_program :: The face's font program (bytecode stream) */
+ /* executed at load time, also used during */
+ /* glyph rendering. Comes from the `fpgm' */
+ /* table. Ignored for Type 2 font fonts. */
+ /* */
+ /* cvt_program_size :: The size in bytecodes of the face's cvt */
+ /* program. Ignored for Type 2 fonts. */
+ /* */
+ /* cvt_program :: The face's cvt program (bytecode stream) */
+ /* executed each time an instance/size is */
+ /* changed/reset. Comes from the `prep' */
+ /* table. Ignored for Type 2 fonts. */
+ /* */
+ /* cvt_size :: Size of the control value table (in */
+ /* entries). Ignored for Type 2 fonts. */
+ /* */
+ /* cvt :: The face's original control value table. */
+ /* Coordinates are expressed in unscaled font */
+ /* units. Comes from the `cvt ' table. */
+ /* Ignored for Type 2 fonts. */
+ /* */
+ /* num_kern_pairs :: The number of kerning pairs present in the */
+ /* font file. The engine only loads the */
+ /* first horizontal format 0 kern table it */
+ /* finds in the font file. Ignored for */
+ /* Type 2 fonts. */
+ /* */
+ /* kern_table_index :: The index of the kerning table in the font */
+ /* kerning directory. Ignored for Type 2 */
+ /* fonts. */
+ /* */
+ /* interpreter :: A pointer to the TrueType bytecode */
+ /* interpreters field is also used to hook */
+ /* the debugger in `ttdebug'. */
+ /* */
+ /* unpatented_hinting :: If true, use only unpatented methods in */
+ /* the bytecode interpreter. */
+ /* */
+ /* doblend :: A boolean which is set if the font should */
+ /* be blended (this is for GX var). */
+ /* */
+ /* blend :: Contains the data needed to control GX */
+ /* variation tables (rather like Multiple */
+ /* Master data). */
+ /* */
+ /* extra :: Reserved for third-party font drivers. */
+ /* */
+ /* postscript_name :: The PS name of the font. Used by the */
+ /* postscript name service. */
+ /* */
+ typedef struct TT_FaceRec_
+ {
+ FT_FaceRec root;
+
+ TTC_HeaderRec ttc_header;
+
+ FT_ULong format_tag;
+ FT_UShort num_tables;
+ TT_Table dir_tables;
+
+ TT_Header header; /* TrueType header table */
+ TT_HoriHeader horizontal; /* TrueType horizontal header */
+
+ TT_MaxProfile max_profile;
+#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
+ FT_ULong max_components; /* stubbed to 0 */
+#endif
+
+ FT_Bool vertical_info;
+ TT_VertHeader vertical; /* TT Vertical header, if present */
+
+ FT_UShort num_names; /* number of name records */
+ TT_NameTableRec name_table; /* name table */
+
+ TT_OS2 os2; /* TrueType OS/2 table */
+ TT_Postscript postscript; /* TrueType Postscript table */
+
+ FT_Byte* cmap_table; /* extracted `cmap' table */
+ FT_ULong cmap_size;
+
+ TT_Loader_GotoTableFunc goto_table;
+
+ TT_Loader_StartGlyphFunc access_glyph_frame;
+ TT_Loader_EndGlyphFunc forget_glyph_frame;
+ TT_Loader_ReadGlyphFunc read_glyph_header;
+ TT_Loader_ReadGlyphFunc read_simple_glyph;
+ TT_Loader_ReadGlyphFunc read_composite_glyph;
+
+ /* a typeless pointer to the SFNT_Interface table used to load */
+ /* the basic TrueType tables in the face object */
+ void* sfnt;
+
+ /* a typeless pointer to the FT_Service_PsCMapsRec table used to */
+ /* handle glyph names <-> unicode & Mac values */
+ void* psnames;
+
+
+ /***********************************************************************/
+ /* */
+ /* Optional TrueType/OpenType tables */
+ /* */
+ /***********************************************************************/
+
+ /* horizontal device metrics */
+#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
+ TT_HdmxRec hdmx;
+#endif
+
+ /* grid-fitting and scaling table */
+ TT_GaspRec gasp; /* the `gasp' table */
+
+ /* PCL 5 table */
+ TT_PCLT pclt;
+
+ /* embedded bitmaps support */
+#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
+ FT_ULong num_sbit_strikes;
+ TT_SBit_Strike sbit_strikes;
+#endif
+
+ FT_ULong num_sbit_scales;
+ TT_SBit_Scale sbit_scales;
+
+ /* postscript names table */
+ TT_Post_NamesRec postscript_names;
+
+
+ /***********************************************************************/
+ /* */
+ /* TrueType-specific fields (ignored by the OTF-Type2 driver) */
+ /* */
+ /***********************************************************************/
+
+ /* the glyph locations */
+#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
+ FT_UShort num_locations_stub;
+ FT_Long* glyph_locations_stub;
+#endif
+
+ /* the font program, if any */
+ FT_ULong font_program_size;
+ FT_Byte* font_program;
+
+ /* the cvt program, if any */
+ FT_ULong cvt_program_size;
+ FT_Byte* cvt_program;
+
+ /* the original, unscaled, control value table */
+ FT_ULong cvt_size;
+ FT_Short* cvt;
+
+#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
+ /* the format 0 kerning table, if any */
+ FT_Int num_kern_pairs;
+ FT_Int kern_table_index;
+ TT_Kern0_Pair kern_pairs;
+#endif
+
+ /* A pointer to the bytecode interpreter to use. This is also */
+ /* used to hook the debugger for the `ttdebug' utility. */
+ TT_Interpreter interpreter;
+
+#ifdef TT_CONFIG_OPTION_UNPATENTED_HINTING
+ /* Use unpatented hinting only. */
+ FT_Bool unpatented_hinting;
+#endif
+
+ /***********************************************************************/
+ /* */
+ /* Other tables or fields. This is used by derivative formats like */
+ /* OpenType. */
+ /* */
+ /***********************************************************************/
+
+ FT_Generic extra;
+
+ const char* postscript_name;
+
+ /* since version 2.1.8, but was originally placed after */
+ /* `glyph_locations_stub' */
+ FT_ULong glyf_len;
+
+ /* since version 2.1.8, but was originally placed before `extra' */
+#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
+ FT_Bool doblend;
+ GX_Blend blend;
+#endif
+
+ /* since version 2.2 */
+
+ FT_Byte* horz_metrics;
+ FT_ULong horz_metrics_size;
+
+ FT_Byte* vert_metrics;
+ FT_ULong vert_metrics_size;
+
+ FT_UInt num_locations;
+ FT_Byte* glyph_locations;
+
+ FT_Byte* hdmx_table;
+ FT_ULong hdmx_table_size;
+ FT_UInt hdmx_record_count;
+ FT_ULong hdmx_record_size;
+ FT_Byte* hdmx_record_sizes;
+
+ FT_Byte* sbit_table;
+ FT_ULong sbit_table_size;
+ FT_UInt sbit_num_strikes;
+
+ FT_Byte* kern_table;
+ FT_ULong kern_table_size;
+ FT_UInt num_kern_tables;
+ FT_UInt32 kern_avail_bits;
+ FT_UInt32 kern_order_bits;
+
+#ifdef TT_CONFIG_OPTION_BDF
+ TT_BDFRec bdf;
+#endif /* TT_CONFIG_OPTION_BDF */
+
+ /* since 2.3.0 */
+ FT_ULong horz_metrics_offset;
+ FT_ULong vert_metrics_offset;
+
+ } TT_FaceRec;
+
+
+ /*************************************************************************/
+ /* */
+ /* <Struct> */
+ /* TT_GlyphZoneRec */
+ /* */
+ /* <Description> */
+ /* A glyph zone is used to load, scale and hint glyph outline */
+ /* coordinates. */
+ /* */
+ /* <Fields> */
+ /* memory :: A handle to the memory manager. */
+ /* */
+ /* max_points :: The maximal size in points of the zone. */
+ /* */
+ /* max_contours :: Max size in links contours of the zone. */
+ /* */
+ /* n_points :: The current number of points in the zone. */
+ /* */
+ /* n_contours :: The current number of contours in the zone. */
+ /* */
+ /* org :: The original glyph coordinates (font */
+ /* units/scaled). */
+ /* */
+ /* cur :: The current glyph coordinates (scaled/hinted). */
+ /* */
+ /* tags :: The point control tags. */
+ /* */
+ /* contours :: The contours end points. */
+ /* */
+ /* first_point :: Offset of the current subglyph's first point. */
+ /* */
+ typedef struct TT_GlyphZoneRec_
+ {
+ FT_Memory memory;
+ FT_UShort max_points;
+ FT_UShort max_contours;
+ FT_UShort n_points; /* number of points in zone */
+ FT_Short n_contours; /* number of contours */
+
+ FT_Vector* org; /* original point coordinates */
+ FT_Vector* cur; /* current point coordinates */
+ FT_Vector* orus; /* original (unscaled) point coordinates */
+
+ FT_Byte* tags; /* current touch flags */
+ FT_UShort* contours; /* contour end points */
+
+ FT_UShort first_point; /* offset of first (#0) point */
+
+ } TT_GlyphZoneRec, *TT_GlyphZone;
+
+
+ /* handle to execution context */
+ typedef struct TT_ExecContextRec_* TT_ExecContext;
+
+ /* glyph loader structure */
+ typedef struct TT_LoaderRec_
+ {
+ FT_Face face;
+ FT_Size size;
+ FT_GlyphSlot glyph;
+ FT_GlyphLoader gloader;
+
+ FT_ULong load_flags;
+ FT_UInt glyph_index;
+
+ FT_Stream stream;
+ FT_Int byte_len;
+
+ FT_Short n_contours;
+ FT_BBox bbox;
+ FT_Int left_bearing;
+ FT_Int advance;
+ FT_Int linear;
+ FT_Bool linear_def;
+ FT_Bool preserve_pps;
+ FT_Vector pp1;
+ FT_Vector pp2;
+
+ FT_ULong glyf_offset;
+
+ /* the zone where we load our glyphs */
+ TT_GlyphZoneRec base;
+ TT_GlyphZoneRec zone;
+
+ TT_ExecContext exec;
+ FT_Byte* instructions;
+ FT_ULong ins_pos;
+
+ /* for possible extensibility in other formats */
+ void* other;
+
+ /* since version 2.1.8 */
+ FT_Int top_bearing;
+ FT_Int vadvance;
+ FT_Vector pp3;
+ FT_Vector pp4;
+
+ /* since version 2.2.1 */
+ FT_Byte* cursor;
+ FT_Byte* limit;
+
+ } TT_LoaderRec;
+
+
+FT_END_HEADER
+
+#endif /* __TTTYPES_H__ */
+
+
+/* END */
projects / reactos.git / blobdiff