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/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
Copyright (C) 2002-2020 by Jin-Hwan Cho and Shunsaku Hirata,
the dvipdfmx project team.
This program 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.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#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 ascent;
FWord descent;
FWord lineGap;
uFWord advanceWidthMax;
FWord minLeftSideBearing;
FWord minRightSideBearing;
FWord xMaxExtent;
SHORT caretSlopeRise;
SHORT caretSlopeRun;
FWord caretOffset;
SHORT reserved[4]; /* set to 0 */
SHORT metricDataFormat;
USHORT numOfLongHorMetrics;
USHORT numOfExSideBearings; /* extra information */
};
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[4]; /* set to 0 */
SHORT metricDataFormat;
USHORT numOfLongVerMetrics;
USHORT numOfExSideBearings; /* extra information */
};
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;
CHAR 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 */
#if 0
extern char *tt_pack_vhea_table (struct tt_vhea_table *table);
#endif
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, USHORT numExSideBearings);
/* OS/2 table */
extern struct tt_os2__table *tt_read_os2__table (sfnt *sfont);
/* name table */
extern USHORT tt_get_ps_fontname (sfnt *sfont, char *dest, USHORT destlen);
#endif /* _TT_TABLE_H_ */
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