WebSVN – Kolibri OS – Blame – /contrib/media/updf/include/freetype/internal/tttypes.h

Rev	Author	Line No.	Line
4680	right-hear	1	/***************************************************************************/
		2	/* */
		3	/* tttypes.h */
		4	/* */
		5	/* Basic SFNT/TrueType type definitions and interface (specification */
		6	/* only). */
		7	/* */
		8	/* Copyright 1996-2001, 2002, 2004, 2005, 2006, 2007, 2008 by */
		9	/* David Turner, Robert Wilhelm, and Werner Lemberg. */
		10	/* */
		11	/* This file is part of the FreeType project, and may only be used, */
		12	/* modified, and distributed under the terms of the FreeType project */
		13	/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
		14	/* this file you indicate that you have read the license and */
		15	/* understand and accept it fully. */
		16	/* */
		17	/***************************************************************************/
		18
		19
		20	#ifndef __TTTYPES_H__
		21	#define __TTTYPES_H__
		22
		23
		24	#include
		25	#include FT_TRUETYPE_TABLES_H
		26	#include FT_INTERNAL_OBJECTS_H
		27
		28	#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
		29	#include FT_MULTIPLE_MASTERS_H
		30	#endif
		31
		32
		33	FT_BEGIN_HEADER
		34
		35
		36	/*************************************************************************/
		37	/*************************************************************************/
		38	/*************************************************************************/
		39	/* */
		40	/* */
		41	/* REQUIRED TRUETYPE/OPENTYPE TABLES DEFINITIONS */
		42	/* */
		43	/* */
		44	/*************************************************************************/
		45	/*************************************************************************/
		46	/*************************************************************************/
		47
		48
		49	/*************************************************************************/
		50	/* */
		51	/* */
		52	/* TTC_HeaderRec */
		53	/* */
		54	/* */
		55	/* TrueType collection header. This table contains the offsets of */
		56	/* the font headers of each distinct TrueType face in the file. */
		57	/* */
		58	/* */
		59	/* tag :: Must be `ttc ' to indicate a TrueType collection. */
		60	/* */
		61	/* version :: The version number. */
		62	/* */
		63	/* count :: The number of faces in the collection. The */
		64	/* specification says this should be an unsigned long, but */
		65	/* we use a signed long since we need the value -1 for */
		66	/* specific purposes. */
		67	/* */
		68	/* offsets :: The offsets of the font headers, one per face. */
		69	/* */
		70	typedef struct TTC_HeaderRec_
		71	{
		72	FT_ULong tag;
		73	FT_Fixed version;
		74	FT_Long count;
		75	FT_ULong* offsets;
		76
		77	} TTC_HeaderRec;
		78
		79
		80	/*************************************************************************/
		81	/* */
		82	/* */
		83	/* SFNT_HeaderRec */
		84	/* */
		85	/* */
		86	/* SFNT file format header. */
		87	/* */
		88	/* */
		89	/* format_tag :: The font format tag. */
		90	/* */
		91	/* num_tables :: The number of tables in file. */
		92	/* */
		93	/* search_range :: Must be `16 * (max power of 2 <= num_tables)'. */
		94	/* */
		95	/* entry_selector :: Must be log2 of `search_range / 16'. */
		96	/* */
		97	/* range_shift :: Must be `num_tables * 16 - search_range'. */
		98	/* */
		99	typedef struct SFNT_HeaderRec_
		100	{
		101	FT_ULong format_tag;
		102	FT_UShort num_tables;
		103	FT_UShort search_range;
		104	FT_UShort entry_selector;
		105	FT_UShort range_shift;
		106
		107	FT_ULong offset; /* not in file */
		108
		109	} SFNT_HeaderRec, *SFNT_Header;
		110
		111
		112	/*************************************************************************/
		113	/* */
		114	/* */
		115	/* TT_TableRec */
		116	/* */
		117	/* */
		118	/* This structure describes a given table of a TrueType font. */
		119	/* */
		120	/* */
		121	/* Tag :: A four-bytes tag describing the table. */
		122	/* */
		123	/* CheckSum :: The table checksum. This value can be ignored. */
		124	/* */
		125	/* Offset :: The offset of the table from the start of the TrueType */
		126	/* font in its resource. */
		127	/* */
		128	/* Length :: The table length (in bytes). */
		129	/* */
		130	typedef struct TT_TableRec_
		131	{
		132	FT_ULong Tag; /* table type */
		133	FT_ULong CheckSum; /* table checksum */
		134	FT_ULong Offset; /* table file offset */
		135	FT_ULong Length; /* table length */
		136
		137	} TT_TableRec, *TT_Table;
		138
		139
		140	/*************************************************************************/
		141	/* */
		142	/* */
		143	/* TT_LongMetricsRec */
		144	/* */
		145	/* */
		146	/* A structure modeling the long metrics of the `hmtx' and `vmtx' */
		147	/* TrueType tables. The values are expressed in font units. */
		148	/* */
		149	/* */
		150	/* advance :: The advance width or height for the glyph. */
		151	/* */
		152	/* bearing :: The left-side or top-side bearing for the glyph. */
		153	/* */
		154	typedef struct TT_LongMetricsRec_
		155	{
		156	FT_UShort advance;
		157	FT_Short bearing;
		158
		159	} TT_LongMetricsRec, *TT_LongMetrics;
		160
		161
		162	/*************************************************************************/
		163	/* */
		164	/* */
		165	/* TT_ShortMetrics */
		166	/* */
		167	/* */
		168	/* A simple type to model the short metrics of the `hmtx' and `vmtx' */
		169	/* tables. */
		170	/* */
		171	typedef FT_Short TT_ShortMetrics;
		172
		173
		174	/*************************************************************************/
		175	/* */
		176	/* */
		177	/* TT_NameEntryRec */
		178	/* */
		179	/* */
		180	/* A structure modeling TrueType name records. Name records are used */
		181	/* to store important strings like family name, style name, */
		182	/* copyright, etc. in _localized_ versions (i.e., language, encoding, */
		183	/* etc). */
		184	/* */
		185	/* */
		186	/* platformID :: The ID of the name's encoding platform. */
		187	/* */
		188	/* encodingID :: The platform-specific ID for the name's encoding. */
		189	/* */
		190	/* languageID :: The platform-specific ID for the name's language. */
		191	/* */
		192	/* nameID :: The ID specifying what kind of name this is. */
		193	/* */
		194	/* stringLength :: The length of the string in bytes. */
		195	/* */
		196	/* stringOffset :: The offset to the string in the `name' table. */
		197	/* */
		198	/* string :: A pointer to the string's bytes. Note that these */
		199	/* are usually UTF-16 encoded characters. */
		200	/* */
		201	typedef struct TT_NameEntryRec_
		202	{
		203	FT_UShort platformID;
		204	FT_UShort encodingID;
		205	FT_UShort languageID;
		206	FT_UShort nameID;
		207	FT_UShort stringLength;
		208	FT_ULong stringOffset;
		209
		210	/* this last field is not defined in the spec */
		211	/* but used by the FreeType engine */
		212
		213	FT_Byte* string;
		214
		215	} TT_NameEntryRec, *TT_NameEntry;
		216
		217
		218	/*************************************************************************/
		219	/* */
		220	/* */
		221	/* TT_NameTableRec */
		222	/* */
		223	/* */
		224	/* A structure modeling the TrueType name table. */
		225	/* */
		226	/* */
		227	/* format :: The format of the name table. */
		228	/* */
		229	/* numNameRecords :: The number of names in table. */
		230	/* */
		231	/* storageOffset :: The offset of the name table in the `name' */
		232	/* TrueType table. */
		233	/* */
		234	/* names :: An array of name records. */
		235	/* */
		236	/* stream :: the file's input stream. */
		237	/* */
		238	typedef struct TT_NameTableRec_
		239	{
		240	FT_UShort format;
		241	FT_UInt numNameRecords;
		242	FT_UInt storageOffset;
		243	TT_NameEntryRec* names;
		244	FT_Stream stream;
		245
		246	} TT_NameTableRec, *TT_NameTable;
		247
		248
		249	/*************************************************************************/
		250	/*************************************************************************/
		251	/*************************************************************************/
		252	/* */
		253	/* */
		254	/* OPTIONAL TRUETYPE/OPENTYPE TABLES DEFINITIONS */
		255	/* */
		256	/* */
		257	/*************************************************************************/
		258	/*************************************************************************/
		259	/*************************************************************************/
		260
		261
		262	/*************************************************************************/
		263	/* */
		264	/* */
		265	/* TT_GaspRangeRec */
		266	/* */
		267	/* */
		268	/* A tiny structure used to model a gasp range according to the */
		269	/* TrueType specification. */
		270	/* */
		271	/* */
		272	/* maxPPEM :: The maximum ppem value to which `gaspFlag' applies. */
		273	/* */
		274	/* gaspFlag :: A flag describing the grid-fitting and anti-aliasing */
		275	/* modes to be used. */
		276	/* */
		277	typedef struct TT_GaspRangeRec_
		278	{
		279	FT_UShort maxPPEM;
		280	FT_UShort gaspFlag;
		281
		282	} TT_GaspRangeRec, *TT_GaspRange;
		283
		284
		285	#define TT_GASP_GRIDFIT 0x01
		286	#define TT_GASP_DOGRAY 0x02
		287
		288
		289	/*************************************************************************/
		290	/* */
		291	/* */
		292	/* TT_GaspRec */
		293	/* */
		294	/* */
		295	/* A structure modeling the TrueType `gasp' table used to specify */
		296	/* grid-fitting and anti-aliasing behaviour. */
		297	/* */
		298	/* */
		299	/* version :: The version number. */
		300	/* */
		301	/* numRanges :: The number of gasp ranges in table. */
		302	/* */
		303	/* gaspRanges :: An array of gasp ranges. */
		304	/* */
		305	typedef struct TT_Gasp_
		306	{
		307	FT_UShort version;
		308	FT_UShort numRanges;
		309	TT_GaspRange gaspRanges;
		310
		311	} TT_GaspRec;
		312
		313
		314	#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
		315
		316	/*************************************************************************/
		317	/* */
		318	/* */
		319	/* TT_HdmxEntryRec */
		320	/* */
		321	/* */
		322	/* A small structure used to model the pre-computed widths of a given */
		323	/* size. They are found in the `hdmx' table. */
		324	/* */
		325	/* */
		326	/* ppem :: The pixels per EM value at which these metrics apply. */
		327	/* */
		328	/* max_width :: The maximum advance width for this metric. */
		329	/* */
		330	/* widths :: An array of widths. Note: These are 8-bit bytes. */
		331	/* */
		332	typedef struct TT_HdmxEntryRec_
		333	{
		334	FT_Byte ppem;
		335	FT_Byte max_width;
		336	FT_Byte* widths;
		337
		338	} TT_HdmxEntryRec, *TT_HdmxEntry;
		339
		340
		341	/*************************************************************************/
		342	/* */
		343	/* */
		344	/* TT_HdmxRec */
		345	/* */
		346	/* */
		347	/* A structure used to model the `hdmx' table, which contains */
		348	/* pre-computed widths for a set of given sizes/dimensions. */
		349	/* */
		350	/* */
		351	/* version :: The version number. */
		352	/* */
		353	/* num_records :: The number of hdmx records. */
		354	/* */
		355	/* records :: An array of hdmx records. */
		356	/* */
		357	typedef struct TT_HdmxRec_
		358	{
		359	FT_UShort version;
		360	FT_Short num_records;
		361	TT_HdmxEntry records;
		362
		363	} TT_HdmxRec, *TT_Hdmx;
		364
		365
		366	/*************************************************************************/
		367	/* */
		368	/* */
		369	/* TT_Kern0_PairRec */
		370	/* */
		371	/* */
		372	/* A structure used to model a kerning pair for the kerning table */
		373	/* format 0. The engine now loads this table if it finds one in the */
		374	/* font file. */
		375	/* */
		376	/* */
		377	/* left :: The index of the left glyph in pair. */
		378	/* */
		379	/* right :: The index of the right glyph in pair. */
		380	/* */
		381	/* value :: The kerning distance. A positive value spaces the */
		382	/* glyphs, a negative one makes them closer. */
		383	/* */
		384	typedef struct TT_Kern0_PairRec_
		385	{
		386	FT_UShort left; /* index of left glyph in pair */
		387	FT_UShort right; /* index of right glyph in pair */
		388	FT_FWord value; /* kerning value */
		389
		390	} TT_Kern0_PairRec, *TT_Kern0_Pair;
		391
		392	#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
		393
		394
		395	/*************************************************************************/
		396	/*************************************************************************/
		397	/*************************************************************************/
		398	/* */
		399	/* */
		400	/* EMBEDDED BITMAPS SUPPORT */
		401	/* */
		402	/* */
		403	/*************************************************************************/
		404	/*************************************************************************/
		405	/*************************************************************************/
		406
		407
		408	/*************************************************************************/
		409	/* */
		410	/* */
		411	/* TT_SBit_MetricsRec */
		412	/* */
		413	/* */
		414	/* A structure used to hold the big metrics of a given glyph bitmap */
		415	/* in a TrueType or OpenType font. These are usually found in the */
		416	/* `EBDT' (Microsoft) or `bloc' (Apple) table. */
		417	/* */
		418	/* */
		419	/* height :: The glyph height in pixels. */
		420	/* */
		421	/* width :: The glyph width in pixels. */
		422	/* */
		423	/* horiBearingX :: The horizontal left bearing. */
		424	/* */
		425	/* horiBearingY :: The horizontal top bearing. */
		426	/* */
		427	/* horiAdvance :: The horizontal advance. */
		428	/* */
		429	/* vertBearingX :: The vertical left bearing. */
		430	/* */
		431	/* vertBearingY :: The vertical top bearing. */
		432	/* */
		433	/* vertAdvance :: The vertical advance. */
		434	/* */
		435	typedef struct TT_SBit_MetricsRec_
		436	{
		437	FT_Byte height;
		438	FT_Byte width;
		439
		440	FT_Char horiBearingX;
		441	FT_Char horiBearingY;
		442	FT_Byte horiAdvance;
		443
		444	FT_Char vertBearingX;
		445	FT_Char vertBearingY;
		446	FT_Byte vertAdvance;
		447
		448	} TT_SBit_MetricsRec, *TT_SBit_Metrics;
		449
		450
		451	/*************************************************************************/
		452	/* */
		453	/* */
		454	/* TT_SBit_SmallMetricsRec */
		455	/* */
		456	/* */
		457	/* A structure used to hold the small metrics of a given glyph bitmap */
		458	/* in a TrueType or OpenType font. These are usually found in the */
		459	/* `EBDT' (Microsoft) or the `bdat' (Apple) table. */
		460	/* */
		461	/* */
		462	/* height :: The glyph height in pixels. */
		463	/* */
		464	/* width :: The glyph width in pixels. */
		465	/* */
		466	/* bearingX :: The left-side bearing. */
		467	/* */
		468	/* bearingY :: The top-side bearing. */
		469	/* */
		470	/* advance :: The advance width or height. */
		471	/* */
		472	typedef struct TT_SBit_Small_Metrics_
		473	{
		474	FT_Byte height;
		475	FT_Byte width;
		476
		477	FT_Char bearingX;
		478	FT_Char bearingY;
		479	FT_Byte advance;
		480
		481	} TT_SBit_SmallMetricsRec, *TT_SBit_SmallMetrics;
		482
		483
		484	/*************************************************************************/
		485	/* */
		486	/* */
		487	/* TT_SBit_LineMetricsRec */
		488	/* */
		489	/* */
		490	/* A structure used to describe the text line metrics of a given */
		491	/* bitmap strike, for either a horizontal or vertical layout. */
		492	/* */
		493	/* */
		494	/* ascender :: The ascender in pixels. */
		495	/* */
		496	/* descender :: The descender in pixels. */
		497	/* */
		498	/* max_width :: The maximum glyph width in pixels. */
		499	/* */
		500	/* caret_slope_enumerator :: Rise of the caret slope, typically set */
		501	/* to 1 for non-italic fonts. */
		502	/* */
		503	/* caret_slope_denominator :: Rise of the caret slope, typically set */
		504	/* to 0 for non-italic fonts. */
		505	/* */
		506	/* caret_offset :: Offset in pixels to move the caret for */
		507	/* proper positioning. */
		508	/* */
		509	/* min_origin_SB :: Minimum of horiBearingX (resp. */
		510	/* vertBearingY). */
		511	/* min_advance_SB :: Minimum of */
		512	/* */
		513	/* horizontal advance - */
		514	/* ( horiBearingX + width ) */
		515	/* */
		516	/* resp. */
		517	/* */
		518	/* vertical advance - */
		519	/* ( vertBearingY + height ) */
		520	/* */
		521	/* max_before_BL :: Maximum of horiBearingY (resp. */
		522	/* vertBearingY). */
		523	/* */
		524	/* min_after_BL :: Minimum of */
		525	/* */
		526	/* horiBearingY - height */
		527	/* */
		528	/* resp. */
		529	/* */
		530	/* vertBearingX - width */
		531	/* */
		532	/* pads :: Unused (to make the size of the record */
		533	/* a multiple of 32 bits. */
		534	/* */
		535	typedef struct TT_SBit_LineMetricsRec_
		536	{
		537	FT_Char ascender;
		538	FT_Char descender;
		539	FT_Byte max_width;
		540	FT_Char caret_slope_numerator;
		541	FT_Char caret_slope_denominator;
		542	FT_Char caret_offset;
		543	FT_Char min_origin_SB;
		544	FT_Char min_advance_SB;
		545	FT_Char max_before_BL;
		546	FT_Char min_after_BL;
		547	FT_Char pads[2];
		548
		549	} TT_SBit_LineMetricsRec, *TT_SBit_LineMetrics;
		550
		551
		552	/*************************************************************************/
		553	/* */
		554	/* */
		555	/* TT_SBit_RangeRec */
		556	/* */
		557	/* */
		558	/* A TrueType/OpenType subIndexTable as defined in the `EBLC' */
		559	/* (Microsoft) or `bloc' (Apple) tables. */
		560	/* */
		561	/* */
		562	/* first_glyph :: The first glyph index in the range. */
		563	/* */
		564	/* last_glyph :: The last glyph index in the range. */
		565	/* */
		566	/* index_format :: The format of index table. Valid values are 1 */
		567	/* to 5. */
		568	/* */
		569	/* image_format :: The format of `EBDT' image data. */
		570	/* */
		571	/* image_offset :: The offset to image data in `EBDT'. */
		572	/* */
		573	/* image_size :: For index formats 2 and 5. This is the size in */
		574	/* bytes of each glyph bitmap. */
		575	/* */
		576	/* big_metrics :: For index formats 2 and 5. This is the big */
		577	/* metrics for each glyph bitmap. */
		578	/* */
		579	/* num_glyphs :: For index formats 4 and 5. This is the number of */
		580	/* glyphs in the code array. */
		581	/* */
		582	/* glyph_offsets :: For index formats 1 and 3. */
		583	/* */
		584	/* glyph_codes :: For index formats 4 and 5. */
		585	/* */
		586	/* table_offset :: The offset of the index table in the `EBLC' */
		587	/* table. Only used during strike loading. */
		588	/* */
		589	typedef struct TT_SBit_RangeRec_
		590	{
		591	FT_UShort first_glyph;
		592	FT_UShort last_glyph;
		593
		594	FT_UShort index_format;
		595	FT_UShort image_format;
		596	FT_ULong image_offset;
		597
		598	FT_ULong image_size;
		599	TT_SBit_MetricsRec metrics;
		600	FT_ULong num_glyphs;
		601
		602	FT_ULong* glyph_offsets;
		603	FT_UShort* glyph_codes;
		604
		605	FT_ULong table_offset;
		606
		607	} TT_SBit_RangeRec, *TT_SBit_Range;
		608
		609
		610	/*************************************************************************/
		611	/* */
		612	/* */
		613	/* TT_SBit_StrikeRec */
		614	/* */
		615	/* */
		616	/* A structure used describe a given bitmap strike in the `EBLC' */
		617	/* (Microsoft) or `bloc' (Apple) tables. */
		618	/* */
		619	/* */
		620	/* num_index_ranges :: The number of index ranges. */
		621	/* */
		622	/* index_ranges :: An array of glyph index ranges. */
		623	/* */
		624	/* color_ref :: Unused. `color_ref' is put in for future */
		625	/* enhancements, but these fields are already */
		626	/* in use by other platforms (e.g. Newton). */
		627	/* For details, please see */
		628	/* */
		629	/* http://fonts.apple.com/ */
		630	/* TTRefMan/RM06/Chap6bloc.html */
		631	/* */
		632	/* hori :: The line metrics for horizontal layouts. */
		633	/* */
		634	/* vert :: The line metrics for vertical layouts. */
		635	/* */
		636	/* start_glyph :: The lowest glyph index for this strike. */
		637	/* */
		638	/* end_glyph :: The highest glyph index for this strike. */
		639	/* */
		640	/* x_ppem :: The number of horizontal pixels per EM. */
		641	/* */
		642	/* y_ppem :: The number of vertical pixels per EM. */
		643	/* */
		644	/* bit_depth :: The bit depth. Valid values are 1, 2, 4, */
		645	/* and 8. */
		646	/* */
		647	/* flags :: Is this a vertical or horizontal strike? For */
		648	/* details, please see */
		649	/* */
		650	/* http://fonts.apple.com/ */
		651	/* TTRefMan/RM06/Chap6bloc.html */
		652	/* */
		653	typedef struct TT_SBit_StrikeRec_
		654	{
		655	FT_Int num_ranges;
		656	TT_SBit_Range sbit_ranges;
		657	FT_ULong ranges_offset;
		658
		659	FT_ULong color_ref;
		660
		661	TT_SBit_LineMetricsRec hori;
		662	TT_SBit_LineMetricsRec vert;
		663
		664	FT_UShort start_glyph;
		665	FT_UShort end_glyph;
		666
		667	FT_Byte x_ppem;
		668	FT_Byte y_ppem;
		669
		670	FT_Byte bit_depth;
		671	FT_Char flags;
		672
		673	} TT_SBit_StrikeRec, *TT_SBit_Strike;
		674
		675
		676	/*************************************************************************/
		677	/* */
		678	/* */
		679	/* TT_SBit_ComponentRec */
		680	/* */
		681	/* */
		682	/* A simple structure to describe a compound sbit element. */
		683	/* */
		684	/* */
		685	/* glyph_code :: The element's glyph index. */
		686	/* */
		687	/* x_offset :: The element's left bearing. */
		688	/* */
		689	/* y_offset :: The element's top bearing. */
		690	/* */
		691	typedef struct TT_SBit_ComponentRec_
		692	{
		693	FT_UShort glyph_code;
		694	FT_Char x_offset;
		695	FT_Char y_offset;
		696
		697	} TT_SBit_ComponentRec, *TT_SBit_Component;
		698
		699
		700	/*************************************************************************/
		701	/* */
		702	/* */
		703	/* TT_SBit_ScaleRec */
		704	/* */
		705	/* */
		706	/* A structure used describe a given bitmap scaling table, as defined */
		707	/* in the `EBSC' table. */
		708	/* */
		709	/* */
		710	/* hori :: The horizontal line metrics. */
		711	/* */
		712	/* vert :: The vertical line metrics. */
		713	/* */
		714	/* x_ppem :: The number of horizontal pixels per EM. */
		715	/* */
		716	/* y_ppem :: The number of vertical pixels per EM. */
		717	/* */
		718	/* x_ppem_substitute :: Substitution x_ppem value. */
		719	/* */
		720	/* y_ppem_substitute :: Substitution y_ppem value. */
		721	/* */
		722	typedef struct TT_SBit_ScaleRec_
		723	{
		724	TT_SBit_LineMetricsRec hori;
		725	TT_SBit_LineMetricsRec vert;
		726
		727	FT_Byte x_ppem;
		728	FT_Byte y_ppem;
		729
		730	FT_Byte x_ppem_substitute;
		731	FT_Byte y_ppem_substitute;
		732
		733	} TT_SBit_ScaleRec, *TT_SBit_Scale;
		734
		735
		736	/*************************************************************************/
		737	/*************************************************************************/
		738	/*************************************************************************/
		739	/* */
		740	/* */
		741	/* POSTSCRIPT GLYPH NAMES SUPPORT */
		742	/* */
		743	/* */
		744	/*************************************************************************/
		745	/*************************************************************************/
		746	/*************************************************************************/
		747
		748
		749	/*************************************************************************/
		750	/* */
		751	/* */
		752	/* TT_Post_20Rec */
		753	/* */
		754	/* */
		755	/* Postscript names sub-table, format 2.0. Stores the PS name of */
		756	/* each glyph in the font face. */
		757	/* */
		758	/* */
		759	/* num_glyphs :: The number of named glyphs in the table. */
		760	/* */
		761	/* num_names :: The number of PS names stored in the table. */
		762	/* */
		763	/* glyph_indices :: The indices of the glyphs in the names arrays. */
		764	/* */
		765	/* glyph_names :: The PS names not in Mac Encoding. */
		766	/* */
		767	typedef struct TT_Post_20Rec_
		768	{
		769	FT_UShort num_glyphs;
		770	FT_UShort num_names;
		771	FT_UShort* glyph_indices;
		772	FT_Char** glyph_names;
		773
		774	} TT_Post_20Rec, *TT_Post_20;
		775
		776
		777	/*************************************************************************/
		778	/* */
		779	/* */
		780	/* TT_Post_25Rec */
		781	/* */
		782	/* */
		783	/* Postscript names sub-table, format 2.5. Stores the PS name of */
		784	/* each glyph in the font face. */
		785	/* */
		786	/* */
		787	/* num_glyphs :: The number of glyphs in the table. */
		788	/* */
		789	/* offsets :: An array of signed offsets in a normal Mac */
		790	/* Postscript name encoding. */
		791	/* */
		792	typedef struct TT_Post_25_
		793	{
		794	FT_UShort num_glyphs;
		795	FT_Char* offsets;
		796
		797	} TT_Post_25Rec, *TT_Post_25;
		798
		799
		800	/*************************************************************************/
		801	/* */
		802	/* */
		803	/* TT_Post_NamesRec */
		804	/* */
		805	/* */
		806	/* Postscript names table, either format 2.0 or 2.5. */
		807	/* */
		808	/* */
		809	/* loaded :: A flag to indicate whether the PS names are loaded. */
		810	/* */
		811	/* format_20 :: The sub-table used for format 2.0. */
		812	/* */
		813	/* format_25 :: The sub-table used for format 2.5. */
		814	/* */
		815	typedef struct TT_Post_NamesRec_
		816	{
		817	FT_Bool loaded;
		818
		819	union
		820	{
		821	TT_Post_20Rec format_20;
		822	TT_Post_25Rec format_25;
		823
		824	} names;
		825
		826	} TT_Post_NamesRec, *TT_Post_Names;
		827
		828
		829	/*************************************************************************/
		830	/*************************************************************************/
		831	/*************************************************************************/
		832	/* */
		833	/* */
		834	/* GX VARIATION TABLE SUPPORT */
		835	/* */
		836	/* */
		837	/*************************************************************************/
		838	/*************************************************************************/
		839	/*************************************************************************/
		840
		841
		842	#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
		843	typedef struct GX_BlendRec_ *GX_Blend;
		844	#endif
		845
		846	/*************************************************************************/
		847	/*************************************************************************/
		848	/*************************************************************************/
		849	/* */
		850	/* */
		851	/* EMBEDDED BDF PROPERTIES TABLE SUPPORT */
		852	/* */
		853	/* */
		854	/*************************************************************************/
		855	/*************************************************************************/
		856	/*************************************************************************/
		857
		858	/*
		859	* These types are used to support a `BDF ' table that isn't part of the
		860	* official TrueType specification. It is mainly used in SFNT-based
		861	* bitmap fonts that were generated from a set of BDF fonts.
		862	*
		863	* The format of the table is as follows.
		864	*
		865	* USHORT version `BDF ' table version number, should be 0x0001.
		866	* USHORT strikeCount Number of strikes (bitmap sizes) in this table.
		867	* ULONG stringTable Offset (from start of BDF table) to string
		868	* table.
		869	*
		870	* This is followed by an array of `strikeCount' descriptors, having the
		871	* following format.
		872	*
		873	* USHORT ppem Vertical pixels per EM for this strike.
		874	* USHORT numItems Number of items for this strike (properties and
		875	* atoms). Maximum is 255.
		876	*
		877	* This array in turn is followed by `strikeCount' value sets. Each
		878	* `value set' is an array of `numItems' items with the following format.
		879	*
		880	* ULONG item_name Offset in string table to item name.
		881	* USHORT item_type The item type. Possible values are
		882	* 0 => string (e.g., COMMENT)
		883	* 1 => atom (e.g., FONT or even SIZE)
		884	* 2 => int32
		885	* 3 => uint32
		886	* 0x10 => A flag to indicate a properties. This
		887	* is ORed with the above values.
		888	* ULONG item_value For strings => Offset into string table without
		889	* the corresponding double quotes.
		890	* For atoms => Offset into string table.
		891	* For integers => Direct value.
		892	*
		893	* All strings in the string table consist of bytes and are
		894	* zero-terminated.
		895	*
		896	*/
		897
		898	#ifdef TT_CONFIG_OPTION_BDF
		899
		900	typedef struct TT_BDFRec_
		901	{
		902	FT_Byte* table;
		903	FT_Byte* table_end;
		904	FT_Byte* strings;
		905	FT_ULong strings_size;
		906	FT_UInt num_strikes;
		907	FT_Bool loaded;
		908
		909	} TT_BDFRec, *TT_BDF;
		910
		911	#endif /* TT_CONFIG_OPTION_BDF */
		912
		913	/*************************************************************************/
		914	/*************************************************************************/
		915	/*************************************************************************/
		916	/* */
		917	/* */
		918	/* ORIGINAL TT_FACE CLASS DEFINITION */
		919	/* */
		920	/* */
		921	/*************************************************************************/
		922	/*************************************************************************/
		923	/*************************************************************************/
		924
		925
		926	/*************************************************************************/
		927	/* */
		928	/* This structure/class is defined here because it is common to the */
		929	/* following formats: TTF, OpenType-TT, and OpenType-CFF. */
		930	/* */
		931	/* Note, however, that the classes TT_Size and TT_GlyphSlot are not */
		932	/* shared between font drivers, and are thus defined in `ttobjs.h'. */
		933	/* */
		934	/*************************************************************************/
		935
		936
		937	/*************************************************************************/
		938	/* */
		939	/* */
		940	/* TT_Face */
		941	/* */
		942	/* */
		943	/* A handle to a TrueType face/font object. A TT_Face encapsulates */
		944	/* the resolution and scaling independent parts of a TrueType font */
		945	/* resource. */
		946	/* */
		947	/* */
		948	/* The TT_Face structure is also used as a `parent class' for the */
		949	/* OpenType-CFF class (T2_Face). */
		950	/* */
		951	typedef struct TT_FaceRec_* TT_Face;
		952
		953
		954	/* a function type used for the truetype bytecode interpreter hooks */
		955	typedef FT_Error
		956	(TT_Interpreter)( void exec_context );
		957
		958	/* forward declaration */
		959	typedef struct TT_LoaderRec_* TT_Loader;
		960
		961
		962	/*************************************************************************/
		963	/* */
		964	/* */
		965	/* TT_Loader_GotoTableFunc */
		966	/* */
		967	/* */
		968	/* Seeks a stream to the start of a given TrueType table. */
		969	/* */
		970	/* */
		971	/* face :: A handle to the target face object. */
		972	/* */
		973	/* tag :: A 4-byte tag used to name the table. */
		974	/* */
		975	/* stream :: The input stream. */
		976	/* */
		977	/* */
		978	/* length :: The length of the table in bytes. Set to 0 if not */
		979	/* needed. */
		980	/* */
		981	/* */
		982	/* FreeType error code. 0 means success. */
		983	/* */
		984	/* */
		985	/* The stream cursor must be at the font file's origin. */
		986	/* */
		987	typedef FT_Error
		988	(*TT_Loader_GotoTableFunc)( TT_Face face,
		989	FT_ULong tag,
		990	FT_Stream stream,
		991	FT_ULong* length );
		992
		993
		994	/*************************************************************************/
		995	/* */
		996	/* */
		997	/* TT_Loader_StartGlyphFunc */
		998	/* */
		999	/* */
		1000	/* Seeks a stream to the start of a given glyph element, and opens a */
		1001	/* frame for it. */
		1002	/* */
		1003	/* */
		1004	/* loader :: The current TrueType glyph loader object. */
		1005	/* */
		1006	/* glyph index :: The index of the glyph to access. */
		1007	/* */
		1008	/* offset :: The offset of the glyph according to the */
		1009	/* `locations' table. */
		1010	/* */
		1011	/* byte_count :: The size of the frame in bytes. */
		1012	/* */
		1013	/* */
		1014	/* FreeType error code. 0 means success. */
		1015	/* */
		1016	/* */
		1017	/* This function is normally equivalent to FT_STREAM_SEEK(offset) */
		1018	/* followed by FT_FRAME_ENTER(byte_count) with the loader's stream, */
		1019	/* but alternative formats (e.g. compressed ones) might use something */
		1020	/* different. */
		1021	/* */
		1022	typedef FT_Error
		1023	(*TT_Loader_StartGlyphFunc)( TT_Loader loader,
		1024	FT_UInt glyph_index,
		1025	FT_ULong offset,
		1026	FT_UInt byte_count );
		1027
		1028
		1029	/*************************************************************************/
		1030	/* */
		1031	/* */
		1032	/* TT_Loader_ReadGlyphFunc */
		1033	/* */
		1034	/* */
		1035	/* Reads one glyph element (its header, a simple glyph, or a */
		1036	/* composite) from the loader's current stream frame. */
		1037	/* */
		1038	/* */
		1039	/* loader :: The current TrueType glyph loader object. */
		1040	/* */
		1041	/* */
		1042	/* FreeType error code. 0 means success. */
		1043	/* */
		1044	typedef FT_Error
		1045	(*TT_Loader_ReadGlyphFunc)( TT_Loader loader );
		1046
		1047
		1048	/*************************************************************************/
		1049	/* */
		1050	/* */
		1051	/* TT_Loader_EndGlyphFunc */
		1052	/* */
		1053	/* */
		1054	/* Closes the current loader stream frame for the glyph. */
		1055	/* */
		1056	/* */
		1057	/* loader :: The current TrueType glyph loader object. */
		1058	/* */
		1059	typedef void
		1060	(*TT_Loader_EndGlyphFunc)( TT_Loader loader );
		1061
		1062
		1063	/*************************************************************************/
		1064	/* */
		1065	/* TrueType Face Type */
		1066	/* */
		1067	/* */
		1068	/* TT_Face */
		1069	/* */
		1070	/* */
		1071	/* The TrueType face class. These objects model the resolution and */
		1072	/* point-size independent data found in a TrueType font file. */
		1073	/* */
		1074	/* */
		1075	/* root :: The base FT_Face structure, managed by the */
		1076	/* base layer. */
		1077	/* */
		1078	/* ttc_header :: The TrueType collection header, used when */
		1079	/* the file is a `ttc' rather than a `ttf'. */
		1080	/* For ordinary font files, the field */
		1081	/* `ttc_header.count' is set to 0. */
		1082	/* */
		1083	/* format_tag :: The font format tag. */
		1084	/* */
		1085	/* num_tables :: The number of TrueType tables in this font */
		1086	/* file. */
		1087	/* */
		1088	/* dir_tables :: The directory of TrueType tables for this */
		1089	/* font file. */
		1090	/* */
		1091	/* header :: The font's font header (`head' table). */
		1092	/* Read on font opening. */
		1093	/* */
		1094	/* horizontal :: The font's horizontal header (`hhea' */
		1095	/* table). This field also contains the */
		1096	/* associated horizontal metrics table */
		1097	/* (`hmtx'). */
		1098	/* */
		1099	/* max_profile :: The font's maximum profile table. Read on */
		1100	/* font opening. Note that some maximum */
		1101	/* values cannot be taken directly from this */
		1102	/* table. We thus define additional fields */
		1103	/* below to hold the computed maxima. */
		1104	/* */
		1105	/* vertical_info :: A boolean which is set when the font file */
		1106	/* contains vertical metrics. If not, the */
		1107	/* value of the `vertical' field is */
		1108	/* undefined. */
		1109	/* */
		1110	/* vertical :: The font's vertical header (`vhea' table). */
		1111	/* This field also contains the associated */
		1112	/* vertical metrics table (`vmtx'), if found. */
		1113	/* IMPORTANT: The contents of this field is */
		1114	/* undefined if the `verticalInfo' field is */
		1115	/* unset. */
		1116	/* */
		1117	/* num_names :: The number of name records within this */
		1118	/* TrueType font. */
		1119	/* */
		1120	/* name_table :: The table of name records (`name'). */
		1121	/* */
		1122	/* os2 :: The font's OS/2 table (`OS/2'). */
		1123	/* */
		1124	/* postscript :: The font's PostScript table (`post' */
		1125	/* table). The PostScript glyph names are */
		1126	/* not loaded by the driver on face opening. */
		1127	/* See the `ttpost' module for more details. */
		1128	/* */
		1129	/* cmap_table :: Address of the face's `cmap' SFNT table */
		1130	/* in memory (it's an extracted frame). */
		1131	/* */
		1132	/* cmap_size :: The size in bytes of the `cmap_table' */
		1133	/* described above. */
		1134	/* */
		1135	/* goto_table :: A function called by each TrueType table */
		1136	/* loader to position a stream's cursor to */
		1137	/* the start of a given table according to */
		1138	/* its tag. It defaults to TT_Goto_Face but */
		1139	/* can be different for strange formats (e.g. */
		1140	/* Type 42). */
		1141	/* */
		1142	/* access_glyph_frame :: A function used to access the frame of a */
		1143	/* given glyph within the face's font file. */
		1144	/* */
		1145	/* forget_glyph_frame :: A function used to forget the frame of a */
		1146	/* given glyph when all data has been loaded. */
		1147	/* */
		1148	/* read_glyph_header :: A function used to read a glyph header. */
		1149	/* It must be called between an `access' and */
		1150	/* `forget'. */
		1151	/* */
		1152	/* read_simple_glyph :: A function used to read a simple glyph. */
		1153	/* It must be called after the header was */
		1154	/* read, and before the `forget'. */
		1155	/* */
		1156	/* read_composite_glyph :: A function used to read a composite glyph. */
		1157	/* It must be called after the header was */
		1158	/* read, and before the `forget'. */
		1159	/* */
		1160	/* sfnt :: A pointer to the SFNT service. */
		1161	/* */
		1162	/* psnames :: A pointer to the PostScript names service. */
		1163	/* */
		1164	/* hdmx :: The face's horizontal device metrics */
		1165	/* (`hdmx' table). This table is optional in */
		1166	/* TrueType/OpenType fonts. */
		1167	/* */
		1168	/* gasp :: The grid-fitting and scaling properties */
		1169	/* table (`gasp'). This table is optional in */
		1170	/* TrueType/OpenType fonts. */
		1171	/* */
		1172	/* pclt :: The `pclt' SFNT table. */
		1173	/* */
		1174	/* num_sbit_strikes :: The number of sbit strikes, i.e., bitmap */
		1175	/* sizes, embedded in this font. */
		1176	/* */
		1177	/* sbit_strikes :: An array of sbit strikes embedded in this */
		1178	/* font. This table is optional in a */
		1179	/* TrueType/OpenType font. */
		1180	/* */
		1181	/* num_sbit_scales :: The number of sbit scales for this font. */
		1182	/* */
		1183	/* sbit_scales :: Array of sbit scales embedded in this */
		1184	/* font. This table is optional in a */
		1185	/* TrueType/OpenType font. */
		1186	/* */
		1187	/* postscript_names :: A table used to store the Postscript names */
		1188	/* of the glyphs for this font. See the */
		1189	/* file `ttconfig.h' for comments on the */
		1190	/* TT_CONFIG_OPTION_POSTSCRIPT_NAMES option. */
		1191	/* */
		1192	/* num_locations :: The number of glyph locations in this */
		1193	/* TrueType file. This should be */
		1194	/* identical to the number of glyphs. */
		1195	/* Ignored for Type 2 fonts. */
		1196	/* */
		1197	/* glyph_locations :: An array of longs. These are offsets to */
		1198	/* glyph data within the `glyf' table. */
		1199	/* Ignored for Type 2 font faces. */
		1200	/* */
		1201	/* glyf_len :: The length of the `glyf' table. Needed */
		1202	/* for malformed `loca' tables. */
		1203	/* */
		1204	/* font_program_size :: Size in bytecodes of the face's font */
		1205	/* program. 0 if none defined. Ignored for */
		1206	/* Type 2 fonts. */
		1207	/* */
		1208	/* font_program :: The face's font program (bytecode stream) */
		1209	/* executed at load time, also used during */
		1210	/* glyph rendering. Comes from the `fpgm' */
		1211	/* table. Ignored for Type 2 font fonts. */
		1212	/* */
		1213	/* cvt_program_size :: The size in bytecodes of the face's cvt */
		1214	/* program. Ignored for Type 2 fonts. */
		1215	/* */
		1216	/* cvt_program :: The face's cvt program (bytecode stream) */
		1217	/* executed each time an instance/size is */
		1218	/* changed/reset. Comes from the `prep' */
		1219	/* table. Ignored for Type 2 fonts. */
		1220	/* */
		1221	/* cvt_size :: Size of the control value table (in */
		1222	/* entries). Ignored for Type 2 fonts. */
		1223	/* */
		1224	/* cvt :: The face's original control value table. */
		1225	/* Coordinates are expressed in unscaled font */
		1226	/* units. Comes from the `cvt ' table. */
		1227	/* Ignored for Type 2 fonts. */
		1228	/* */
		1229	/* num_kern_pairs :: The number of kerning pairs present in the */
		1230	/* font file. The engine only loads the */
		1231	/* first horizontal format 0 kern table it */
		1232	/* finds in the font file. Ignored for */
		1233	/* Type 2 fonts. */
		1234	/* */
		1235	/* kern_table_index :: The index of the kerning table in the font */
		1236	/* kerning directory. Ignored for Type 2 */
		1237	/* fonts. */
		1238	/* */
		1239	/* interpreter :: A pointer to the TrueType bytecode */
		1240	/* interpreters field is also used to hook */
		1241	/* the debugger in `ttdebug'. */
		1242	/* */
		1243	/* unpatented_hinting :: If true, use only unpatented methods in */
		1244	/* the bytecode interpreter. */
		1245	/* */
		1246	/* doblend :: A boolean which is set if the font should */
		1247	/* be blended (this is for GX var). */
		1248	/* */
		1249	/* blend :: Contains the data needed to control GX */
		1250	/* variation tables (rather like Multiple */
		1251	/* Master data). */
		1252	/* */
		1253	/* extra :: Reserved for third-party font drivers. */
		1254	/* */
		1255	/* postscript_name :: The PS name of the font. Used by the */
		1256	/* postscript name service. */
		1257	/* */
		1258	typedef struct TT_FaceRec_
		1259	{
		1260	FT_FaceRec root;
		1261
		1262	TTC_HeaderRec ttc_header;
		1263
		1264	FT_ULong format_tag;
		1265	FT_UShort num_tables;
		1266	TT_Table dir_tables;
		1267
		1268	TT_Header header; /* TrueType header table */
		1269	TT_HoriHeader horizontal; /* TrueType horizontal header */
		1270
		1271	TT_MaxProfile max_profile;
		1272	#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
		1273	FT_ULong max_components; /* stubbed to 0 */
		1274	#endif
		1275
		1276	FT_Bool vertical_info;
		1277	TT_VertHeader vertical; /* TT Vertical header, if present */
		1278
		1279	FT_UShort num_names; /* number of name records */
		1280	TT_NameTableRec name_table; /* name table */
		1281
		1282	TT_OS2 os2; /* TrueType OS/2 table */
		1283	TT_Postscript postscript; /* TrueType Postscript table */
		1284
		1285	FT_Byte* cmap_table; /* extracted `cmap' table */
		1286	FT_ULong cmap_size;
		1287
		1288	TT_Loader_GotoTableFunc goto_table;
		1289
		1290	TT_Loader_StartGlyphFunc access_glyph_frame;
		1291	TT_Loader_EndGlyphFunc forget_glyph_frame;
		1292	TT_Loader_ReadGlyphFunc read_glyph_header;
		1293	TT_Loader_ReadGlyphFunc read_simple_glyph;
		1294	TT_Loader_ReadGlyphFunc read_composite_glyph;
		1295
		1296	/* a typeless pointer to the SFNT_Interface table used to load */
		1297	/* the basic TrueType tables in the face object */
		1298	void* sfnt;
		1299
		1300	/* a typeless pointer to the FT_Service_PsCMapsRec table used to */
		1301	/* handle glyph names <-> unicode & Mac values */
		1302	void* psnames;
		1303
		1304
		1305	/***********************************************************************/
		1306	/* */
		1307	/* Optional TrueType/OpenType tables */
		1308	/* */
		1309	/***********************************************************************/
		1310
		1311	/* horizontal device metrics */
		1312	#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
		1313	TT_HdmxRec hdmx;
		1314	#endif
		1315
		1316	/* grid-fitting and scaling table */
		1317	TT_GaspRec gasp; /* the `gasp' table */
		1318
		1319	/* PCL 5 table */
		1320	TT_PCLT pclt;
		1321
		1322	/* embedded bitmaps support */
		1323	#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
		1324	FT_ULong num_sbit_strikes;
		1325	TT_SBit_Strike sbit_strikes;
		1326	#endif
		1327
		1328	FT_ULong num_sbit_scales;
		1329	TT_SBit_Scale sbit_scales;
		1330
		1331	/* postscript names table */
		1332	TT_Post_NamesRec postscript_names;
		1333
		1334
		1335	/***********************************************************************/
		1336	/* */
		1337	/* TrueType-specific fields (ignored by the OTF-Type2 driver) */
		1338	/* */
		1339	/***********************************************************************/
		1340
		1341	/* the glyph locations */
		1342	#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
		1343	FT_UShort num_locations_stub;
		1344	FT_Long* glyph_locations_stub;
		1345	#endif
		1346
		1347	/* the font program, if any */
		1348	FT_ULong font_program_size;
		1349	FT_Byte* font_program;
		1350
		1351	/* the cvt program, if any */
		1352	FT_ULong cvt_program_size;
		1353	FT_Byte* cvt_program;
		1354
		1355	/* the original, unscaled, control value table */
		1356	FT_ULong cvt_size;
		1357	FT_Short* cvt;
		1358
		1359	#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
		1360	/* the format 0 kerning table, if any */
		1361	FT_Int num_kern_pairs;
		1362	FT_Int kern_table_index;
		1363	TT_Kern0_Pair kern_pairs;
		1364	#endif
		1365
		1366	/* A pointer to the bytecode interpreter to use. This is also */
		1367	/* used to hook the debugger for the `ttdebug' utility. */
		1368	TT_Interpreter interpreter;
		1369
		1370	#ifdef TT_CONFIG_OPTION_UNPATENTED_HINTING
		1371	/* Use unpatented hinting only. */
		1372	FT_Bool unpatented_hinting;
		1373	#endif
		1374
		1375	/***********************************************************************/
		1376	/* */
		1377	/* Other tables or fields. This is used by derivative formats like */
		1378	/* OpenType. */
		1379	/* */
		1380	/***********************************************************************/
		1381
		1382	FT_Generic extra;
		1383
		1384	const char* postscript_name;
		1385
		1386	/* since version 2.1.8, but was originally placed after */
		1387	/* `glyph_locations_stub' */
		1388	FT_ULong glyf_len;
		1389
		1390	/* since version 2.1.8, but was originally placed before `extra' */
		1391	#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
		1392	FT_Bool doblend;
		1393	GX_Blend blend;
		1394	#endif
		1395
		1396	/* since version 2.2 */
		1397
		1398	FT_Byte* horz_metrics;
		1399	FT_ULong horz_metrics_size;
		1400
		1401	FT_Byte* vert_metrics;
		1402	FT_ULong vert_metrics_size;
		1403
		1404	FT_ULong num_locations; /* in broken TTF, gid > 0xFFFF */
		1405	FT_Byte* glyph_locations;
		1406
		1407	FT_Byte* hdmx_table;
		1408	FT_ULong hdmx_table_size;
		1409	FT_UInt hdmx_record_count;
		1410	FT_ULong hdmx_record_size;
		1411	FT_Byte* hdmx_record_sizes;
		1412
		1413	FT_Byte* sbit_table;
		1414	FT_ULong sbit_table_size;
		1415	FT_UInt sbit_num_strikes;
		1416
		1417	FT_Byte* kern_table;
		1418	FT_ULong kern_table_size;
		1419	FT_UInt num_kern_tables;
		1420	FT_UInt32 kern_avail_bits;
		1421	FT_UInt32 kern_order_bits;
		1422
		1423	#ifdef TT_CONFIG_OPTION_BDF
		1424	TT_BDFRec bdf;
		1425	#endif /* TT_CONFIG_OPTION_BDF */
		1426
		1427	/* since 2.3.0 */
		1428	FT_ULong horz_metrics_offset;
		1429	FT_ULong vert_metrics_offset;
		1430
		1431	} TT_FaceRec;
		1432
		1433
		1434	/*************************************************************************/
		1435	/* */
		1436	/* */
		1437	/* TT_GlyphZoneRec */
		1438	/* */
		1439	/* */
		1440	/* A glyph zone is used to load, scale and hint glyph outline */
		1441	/* coordinates. */
		1442	/* */
		1443	/* */
		1444	/* memory :: A handle to the memory manager. */
		1445	/* */
		1446	/* max_points :: The maximal size in points of the zone. */
		1447	/* */
		1448	/* max_contours :: Max size in links contours of the zone. */
		1449	/* */
		1450	/* n_points :: The current number of points in the zone. */
		1451	/* */
		1452	/* n_contours :: The current number of contours in the zone. */
		1453	/* */
		1454	/* org :: The original glyph coordinates (font */
		1455	/* units/scaled). */
		1456	/* */
		1457	/* cur :: The current glyph coordinates (scaled/hinted). */
		1458	/* */
		1459	/* tags :: The point control tags. */
		1460	/* */
		1461	/* contours :: The contours end points. */
		1462	/* */
		1463	/* first_point :: Offset of the current subglyph's first point. */
		1464	/* */
		1465	typedef struct TT_GlyphZoneRec_
		1466	{
		1467	FT_Memory memory;
		1468	FT_UShort max_points;
		1469	FT_UShort max_contours;
		1470	FT_UShort n_points; /* number of points in zone */
		1471	FT_Short n_contours; /* number of contours */
		1472
		1473	FT_Vector* org; /* original point coordinates */
		1474	FT_Vector* cur; /* current point coordinates */
		1475	FT_Vector* orus; /* original (unscaled) point coordinates */
		1476
		1477	FT_Byte* tags; /* current touch flags */
		1478	FT_UShort* contours; /* contour end points */
		1479
		1480	FT_UShort first_point; /* offset of first (#0) point */
		1481
		1482	} TT_GlyphZoneRec, *TT_GlyphZone;
		1483
		1484
		1485	/* handle to execution context */
		1486	typedef struct TT_ExecContextRec_* TT_ExecContext;
		1487
		1488	/* glyph loader structure */
		1489	typedef struct TT_LoaderRec_
		1490	{
		1491	FT_Face face;
		1492	FT_Size size;
		1493	FT_GlyphSlot glyph;
		1494	FT_GlyphLoader gloader;
		1495
		1496	FT_ULong load_flags;
		1497	FT_UInt glyph_index;
		1498
		1499	FT_Stream stream;
		1500	FT_Int byte_len;
		1501
		1502	FT_Short n_contours;
		1503	FT_BBox bbox;
		1504	FT_Int left_bearing;
		1505	FT_Int advance;
		1506	FT_Int linear;
		1507	FT_Bool linear_def;
		1508	FT_Bool preserve_pps;
		1509	FT_Vector pp1;
		1510	FT_Vector pp2;
		1511
		1512	FT_ULong glyf_offset;
		1513
		1514	/* the zone where we load our glyphs */
		1515	TT_GlyphZoneRec base;
		1516	TT_GlyphZoneRec zone;
		1517
		1518	TT_ExecContext exec;
		1519	FT_Byte* instructions;
		1520	FT_ULong ins_pos;
		1521
		1522	/* for possible extensibility in other formats */
		1523	void* other;
		1524
		1525	/* since version 2.1.8 */
		1526	FT_Int top_bearing;
		1527	FT_Int vadvance;
		1528	FT_Vector pp3;
		1529	FT_Vector pp4;
		1530
		1531	/* since version 2.2.1 */
		1532	FT_Byte* cursor;
		1533	FT_Byte* limit;
		1534
		1535	} TT_LoaderRec;
		1536
		1537
		1538	FT_END_HEADER
		1539
		1540	#endif /* __TTTYPES_H__ */
		1541
		1542
		1543	/* END */

Subversion Repositories Kolibri OS

(root)/contrib/media/updf/include/freetype/internal/tttypes.h – Rev 4680