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/* Copyright (C) 2001-2023 Artifex Software, Inc.
All Rights Reserved.
This software is provided AS-IS with no warranty, either express or
implied.
This software is distributed under license and may not be copied,
modified or distributed except as expressly authorized under the terms
of the license contained in the file LICENSE in this distribution.
Refer to licensing information at http://www.artifex.com or contact
Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
CA 94129, USA, for further information.
*/
/* Changes after FreeType: cut out the TrueType instruction interpreter. */
/*******************************************************************
*
* tttables.h 1.1
*
* TrueType Tables structures and handling (specification).
*
* Copyright 1996-1998 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 TTTABLES_H
#define TTTABLES_H
#include "tttypes.h"
#ifdef __cplusplus
extern "C" {
#endif
/***********************************************************************/
/* */
/* TrueType Table Types */
/* */
/***********************************************************************/
/* TrueType Collection Header */
struct _TTTCHeader
{
Long Tag;
TT_Fixed version;
ULong DirCount;
PULong TableDirectory;
};
typedef struct _TTTCHeader TTTCHeader;
typedef TTTCHeader* PTTCHeader;
/* TrueType Table Directory type */
struct _TTableDir
{
TT_Fixed version; /* should be 0x10000 */
UShort numTables; /* number of tables */
UShort searchRange; /* These parameters are only used */
UShort entrySelector; /* for a dichotomy search in the */
UShort rangeShift; /* directory. We ignore them. */
};
typedef struct _TTableDir TTableDir;
typedef TTableDir* PTableDir;
/* The 'TableDir' is followed by 'numTables' TableDirEntries */
struct _TTableDirEntry
{
Long Tag; /* table type */
Long CheckSum; /* table checksum */
Long Offset; /* table file offset */
Long Length; /* table length */
};
typedef struct _TTableDirEntry TTableDirEntry;
typedef TTableDirEntry* PTableDirEntry;
/* 'cmap' tables */
struct _TCMapDir
{
UShort tableVersionNumber;
UShort numCMaps;
};
typedef struct _TCMapDir TCMapDir;
typedef TCMapDir* PCMapDir;
struct _TCMapDirEntry
{
UShort platformID;
UShort platformEncodingID;
Long offset;
};
typedef struct _TCMapDirEntry TCMapDirEntry;
typedef TCMapDirEntry* PCMapDirEntries;
/* 'maxp' Maximum Profiles table */
struct _TMaxProfile
{
TT_Fixed version;
UShort numGlyphs,
maxPoints,
maxContours,
maxCompositePoints,
maxCompositeContours,
maxZones,
maxTwilightPoints,
maxStorage,
maxFunctionDefs,
maxInstructionDefs,
maxStackElements,
maxSizeOfInstructions,
maxComponentElements,
maxComponentDepth;
};
typedef struct _TMaxProfile TMaxProfile;
typedef TMaxProfile* PMaxProfile;
/* table "gasp" */
# define GASP_GRIDFIT 0x01
# define GASP_DOGRAY 0x02
struct _GaspRange
{
UShort maxPPEM;
UShort gaspFlag;
};
typedef struct _GaspRange GaspRange;
struct _TGasp
{
UShort version;
UShort numRanges;
GaspRange* gaspRanges;
};
typedef struct _TGasp TGasp;
/* table "head" - now defined in freetype.h */
/* table "hhea" - now defined in freetype.h */
/* table "HMTX" */
struct _TLongHorMetric
{
UShort advance_Width;
Short lsb;
};
typedef struct _TLongHorMetric TLongHorMetric;
typedef TLongHorMetric* PTableHorMetrics;
/* 'OS/2' table - now defined in freetype.h */
/* "post" table - now defined in freetype.h */
/* 'loca' location table type */
struct _TLoca
{
UShort Size;
PStorage Table;
};
typedef struct _TLoca TLoca;
/* table "name" */
struct _TNameRec
{
UShort platformID;
UShort encodingID;
UShort languageID;
UShort nameID;
UShort stringLength;
UShort stringOffset;
/* this last field is not defined in the spec */
/* but used by the FreeType engine */
PByte string;
};
typedef struct _TNameRec TNameRec;
struct _TName_Table
{
UShort format;
UShort numNameRecords;
UShort storageOffset;
TNameRec* names;
PByte storage;
};
typedef struct _TName_Table TName_Table;
#ifdef __cplusplus
}
#endif
#endif /* TTTABLES_H */
/* END */
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