216 lines
4.6 KiB
C
Executable File
216 lines
4.6 KiB
C
Executable File
/*******************************************************************
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*
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* tttables.h 1.1
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*
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* TrueType Tables structures and handling (specification).
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*
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* Copyright 1996-1999 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used
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* modified and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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******************************************************************/
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#ifndef TTTABLES_H
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#define TTTABLES_H
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#include "ttconfig.h"
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#include "tttypes.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***********************************************************************/
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/* */
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/* TrueType Table Types */
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/* */
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/***********************************************************************/
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/* TrueType Collection Header */
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struct TTTCHeader_
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{
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ULong Tag;
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TT_Fixed version;
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ULong DirCount;
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PULong TableDirectory;
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};
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typedef struct TTTCHeader_ TTTCHeader;
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typedef TTTCHeader* PTTCHeader;
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/* TrueType Table Directory type */
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struct TTableDir_
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{
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TT_Fixed version; /* should be 0x10000 */
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UShort numTables; /* number of tables */
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UShort searchRange; /* These parameters are only used */
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UShort entrySelector; /* for a dichotomy search in the */
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UShort rangeShift; /* directory. We ignore them. */
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};
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typedef struct TTableDir_ TTableDir;
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typedef TTableDir* PTableDir;
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/* The 'TableDir' is followed by 'numTables' TableDirEntries */
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struct TTableDirEntry_
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{
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ULong Tag; /* table type */
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ULong CheckSum; /* table checksum */
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ULong Offset; /* table file offset */
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ULong Length; /* table length */
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};
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typedef struct TTableDirEntry_ TTableDirEntry;
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typedef TTableDirEntry* PTableDirEntry;
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/* 'cmap' tables */
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struct TCMapDir_
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{
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UShort tableVersionNumber;
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UShort numCMaps;
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};
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typedef struct TCMapDir_ TCMapDir;
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typedef TCMapDir* PCMapDir;
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struct TCMapDirEntry_
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{
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UShort platformID;
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UShort platformEncodingID;
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Long offset;
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};
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typedef struct TCMapDirEntry_ TCMapDirEntry;
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typedef TCMapDirEntry* PCMapDirEntries;
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/* 'maxp' Maximum Profiles table */
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struct TMaxProfile_
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{
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TT_Fixed version;
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UShort numGlyphs,
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maxPoints,
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maxContours,
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maxCompositePoints,
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maxCompositeContours,
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maxZones,
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maxTwilightPoints,
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maxStorage,
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maxFunctionDefs,
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maxInstructionDefs,
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maxStackElements,
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maxSizeOfInstructions,
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maxComponentElements,
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maxComponentDepth;
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};
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typedef struct TMaxProfile_ TMaxProfile;
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typedef TMaxProfile* PMaxProfile;
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/* table "gasp" */
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#define GASP_GRIDFIT 0x01
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#define GASP_DOGRAY 0x02
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struct GaspRange_
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{
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UShort maxPPEM;
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UShort gaspFlag;
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};
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typedef struct GaspRange_ GaspRange;
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struct TGasp_
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{
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UShort version;
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UShort numRanges;
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GaspRange* gaspRanges;
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};
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typedef struct TGasp_ TGasp;
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/* table "head" - now defined in freetype.h */
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/* table "hhea" - now defined in freetype.h */
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/* tables "HMTX" and "VMTX" */
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struct TLongMetrics_
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{
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UShort advance;
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Short bearing;
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};
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typedef struct TLongMetrics_ TLongMetrics, *PLongMetrics;
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typedef Short TShortMetrics, *PShortMetrics;
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/* 'loca' location table type */
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struct TLoca_
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{
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UShort Size;
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PStorage Table;
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};
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typedef struct TLoca_ TLoca;
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/* table "name" */
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struct TNameRec_
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{
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UShort platformID;
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UShort encodingID;
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UShort languageID;
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UShort nameID;
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UShort stringLength;
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UShort stringOffset;
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/* this last field is not defined in the spec */
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/* but used by the FreeType engine */
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PByte string;
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};
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typedef struct TNameRec_ TNameRec;
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struct TName_Table_
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{
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UShort format;
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UShort numNameRecords;
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UShort storageOffset;
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TNameRec* names;
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PByte storage;
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};
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typedef struct TName_Table_ TName_Table;
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#ifdef __cplusplus
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}
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#endif
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#endif /* TTTABLES_H */
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/* END */
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