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/* tt_table.h
Copyright 2002 by Jin-Hwan Cho and Shunsaku Hirata,
the dvipdfmx project team <dvipdfmx@project.ktug.or.kr>
Copyright 2006-2008 Taco Hoekwater <taco@luatex.org>
This file is part of LuaTeX.
LuaTeX is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your
option) any later version.
LuaTeX is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU General Public License along
with LuaTeX; if not, see <http://www.gnu.org/licenses/>. */
/* $Id: tt_table.h 2271 2009-04-12 23:42:21Z oneiros $ */
#ifndef _TT_TABLE_H_
# define _TT_TABLE_H_
# include "sfnt.h"
# define TT_HEAD_TABLE_SIZE 54UL
# define TT_MAXP_TABLE_SIZE 32UL
# define TT_HHEA_TABLE_SIZE 36UL
# define TT_VHEA_TABLE_SIZE 36UL
struct tt_head_table {
Fixed version;
Fixed fontRevision;
ULONG checkSumAdjustment;
ULONG magicNumber;
USHORT flags;
USHORT unitsPerEm;
BYTE created[8];
BYTE modified[8];
FWord xMin, yMin, xMax, yMax;
USHORT macStyle;
USHORT lowestRecPPEM;
SHORT fontDirectionHint;
SHORT indexToLocFormat;
SHORT glyphDataFormat;
};
struct tt_hhea_table {
Fixed version;
FWord Ascender;
FWord Descender;
FWord LineGap;
uFWord advanceWidthMax;
FWord minLeftSideBearing;
FWord minRightSideBearing;
FWord xMaxExtent;
SHORT caretSlopeRise;
SHORT caretSlopeRun;
SHORT reserved[5]; /* set to 0 */
SHORT metricDataFormat;
USHORT numberOfHMetrics;
};
struct tt_vhea_table {
Fixed version;
SHORT vertTypoAscender; /* v.1.1 name */
SHORT vertTypoDescender; /* v.1.1 name */
SHORT vertTypoLineGap; /* v.1.1 name */
SHORT advanceHeightMax;
SHORT minTopSideBearing;
SHORT minBottomSideBearing;
SHORT yMaxExtent;
SHORT caretSlopeRise;
SHORT caretSlopeRun;
SHORT caretOffset;
SHORT reserved[5]; /* set to 0 */
USHORT numOfLongVerMetrics;
};
struct tt_maxp_table {
Fixed version;
USHORT numGlyphs;
USHORT maxPoints;
USHORT maxContours;
USHORT maxComponentPoints;
USHORT maxComponentContours;
USHORT maxZones;
USHORT maxTwilightPoints;
USHORT maxStorage;
USHORT maxFunctionDefs;
USHORT maxInstructionDefs;
USHORT maxStackElements;
USHORT maxSizeOfInstructions;
USHORT maxComponentElements;
USHORT maxComponentDepth;
};
struct tt_os2__table {
USHORT version; /* 0x0001 or 0x0002 */
SHORT xAvgCharWidth;
USHORT usWeightClass;
USHORT usWidthClass;
SHORT fsType; /* if (faType & 0x08) editable_embedding */
SHORT ySubscriptXSize;
SHORT ySubscriptYSize;
SHORT ySubscriptXOffset;
SHORT ySubscriptYOffset;
SHORT ySuperscriptXSize;
SHORT ySuperscriptYSize;
SHORT ySuperscriptXOffset;
SHORT ySuperscriptYOffset;
SHORT yStrikeoutSize;
SHORT yStrikeoutPosition;
SHORT sFamilyClass;
BYTE panose[10];
ULONG ulUnicodeRange1;
ULONG ulUnicodeRange2;
ULONG ulUnicodeRange3;
ULONG ulUnicodeRange4;
ICHAR achVendID[4];
USHORT fsSelection;
USHORT usFirstCharIndex;
USHORT usLastCharIndex;
SHORT sTypoAscender; /* TTF spec. from MS is wrong */
SHORT sTypoDescender; /* TTF spec. from MS is wrong */
SHORT sTypoLineGap; /* TTF spec. from MS is wrong */
USHORT usWinAscent;
USHORT usWinDescent;
ULONG ulCodePageRange1;
ULONG ulCodePageRange2;
/* version 0x0002 */
SHORT sxHeight;
SHORT sCapHeight;
USHORT usDefaultChar;
USHORT usBreakChar;
USHORT usMaxContext;
};
struct tt_vertOriginYMetrics {
USHORT glyphIndex;
SHORT vertOriginY;
};
struct tt_VORG_table {
SHORT defaultVertOriginY;
USHORT numVertOriginYMetrics;
struct tt_vertOriginYMetrics *vertOriginYMetrics;
};
/* hmtx and vmtx */
struct tt_longMetrics {
USHORT advance;
SHORT sideBearing;
};
/* head, hhea, maxp */
extern char *tt_pack_head_table(struct tt_head_table *table);
extern struct tt_head_table *tt_read_head_table(sfnt * sfont);
extern char *tt_pack_hhea_table(struct tt_hhea_table *table);
extern struct tt_hhea_table *tt_read_hhea_table(sfnt * sfont);
extern char *tt_pack_maxp_table(struct tt_maxp_table *table);
extern struct tt_maxp_table *tt_read_maxp_table(sfnt * sfont);
/* vhea */
extern char *tt_pack_vhea_table(struct tt_vhea_table *table);
extern struct tt_vhea_table *tt_read_vhea_table(sfnt * sfont);
/* VORG */
extern struct tt_VORG_table *tt_read_VORG_table(sfnt * sfont);
/* hmtx and vmtx */
extern struct tt_longMetrics *tt_read_longMetrics(sfnt * sfont,
USHORT numGlyphs,
USHORT numLongMetrics);
/* OS/2 table */
extern struct tt_os2__table *tt_read_os2__table(sfnt * sfont);
/* name table */
extern USHORT tt_get_name(sfnt * sfont, char *dest, USHORT destlen,
USHORT plat_id, USHORT enco_id,
USHORT lang_id, USHORT name_id);
extern USHORT tt_get_ps_fontname(sfnt * sfont, char *dest, USHORT destlen);
#endif /* _TT_TABLE_H_ */
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