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/* $Header: /home/cvsroot/dvipdfmx/src/sfnt.h,v 1.11 2011/03/06 03:14:15 chofchof Exp $
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This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
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Copyright (C) 2002 by Jin-Hwan Cho and Shunsaku Hirata,
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the dvipdfmx project team <dvipdfmx@project.ktug.or.kr>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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/* Acoid conflict with CHAR from <winnt.h>. */
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#define CHAR SFNT_CHAR
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/* Data Types as described in Apple's TTRefMan */
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typedef unsigned char BYTE;
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typedef signed char CHAR;
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typedef unsigned short USHORT;
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typedef signed short SHORT;
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typedef unsigned long ULONG;
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typedef signed long LONG;
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typedef unsigned long Fixed; /* 16.16-bit signed fixed-point number */
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typedef unsigned short uFWord;
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typedef short F2Dot14; /* 16-bit signed fixed number with the low
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14 bits representing fraction. */
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char *data; /* table data */
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#define SFNT_TABLE_REQUIRED (1 << 0)
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struct sfnt_table_directory
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ULONG version; /* Fixed for Win */
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USHORT entry_selector;
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USHORT num_kept_tables; /* number of kept tables */
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char *flags; /* keep or omit */
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struct sfnt_table *tables;
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#define SFNT_TYPE_TRUETYPE (1 << 0)
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#define SFNT_TYPE_OPENTYPE (1 << 1)
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#define SFNT_TYPE_POSTSCRIPT (1 << 2)
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#define SFNT_TYPE_TTC (1 << 4)
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#define SFNT_TYPE_DFONT (1 << 8)
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struct sfnt_table_directory *directory;
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/* Convert sfnt "fixed" type to double */
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#define fixed(a) ((double)((a)%0x10000L)/(double)(0x10000L) + \
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(a)/0x10000L - (((a)/0x10000L > 0x7fffL) ? 0x10000L : 0))
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/* get_***_*** from numbers.h */
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#define sfnt_get_byte(s) ((BYTE) get_unsigned_byte((s)->stream))
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#define sfnt_get_char(s) ((CHAR) get_signed_byte ((s)->stream))
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#define sfnt_get_ushort(s) ((USHORT) get_unsigned_pair((s)->stream))
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#define sfnt_get_short(s) ((SHORT) get_signed_pair ((s)->stream))
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#define sfnt_get_ulong(s) ((ULONG) get_unsigned_quad((s)->stream))
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#define sfnt_get_long(s) ((LONG) get_signed_quad ((s)->stream))
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#define sfnt_seek_set(s,o) seek_absolute((s)->stream, (o))
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#define sfnt_read(b,l,s) fread((b), 1, (l), (s)->stream)
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extern int put_big_endian (void *s, LONG q, int n);
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#define sfnt_put_ushort(s,v) put_big_endian((s), v, 2);
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#define sfnt_put_short(s,v) put_big_endian((s), v, 2);
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#define sfnt_put_ulong(s,v) put_big_endian((s), v, 4);
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#define sfnt_put_long(s,v) put_big_endian((s), v, 4);
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extern sfnt *sfnt_open (FILE *fp);
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extern void sfnt_close (sfnt *sfont);
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extern sfnt *dfont_open (FILE *fp, int index);
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/* table directory */
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extern int sfnt_read_table_directory (sfnt *sfont, ULONG offset);
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extern ULONG sfnt_find_table_len (sfnt *sfont, const char *tag);
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extern ULONG sfnt_find_table_pos (sfnt *sfont, const char *tag);
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extern ULONG sfnt_locate_table (sfnt *sfont, const char *tag);
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extern void sfnt_set_table (sfnt *sfont,
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const char *tag, void *data, ULONG length);
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extern int sfnt_require_table (sfnt *sfont, const char *tag, int must_exist);
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extern pdf_obj *sfnt_create_FontFile_stream (sfnt *sfont);
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#endif /* _SFNT_H_ */