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/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
Copyright (C) 2002-2016 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 _CFF_H_
#define _CFF_H_
#include "mfileio.h"
#include "cff_types.h"
/* Flag */
#define FONTTYPE_CIDFONT (1 << 0)
#define FONTTYPE_FONT (1 << 1)
#define FONTTYPE_MMASTER (1 << 2)
#define ENCODING_STANDARD (1 << 3)
#define ENCODING_EXPERT (1 << 4)
#define CHARSETS_ISOADOBE (1 << 5)
#define CHARSETS_EXPERT (1 << 6)
#define CHARSETS_EXPSUB (1 << 7)
#define HAVE_STANDARD_ENCODING (ENCODING_STANDARD|ENCODING_EXPERT)
#define HAVE_STANDARD_CHARSETS \
(CHARSETS_ISOADOBE|CHARSETS_EXPERT|CHARSETS_EXPSUB)
#define CFF_STRING_NOTDEF 65535
typedef struct
{
char *fontname; /* FontName */
/* - CFF structure - */
cff_header header; /* CFF Header */
cff_index *name; /* Name INDEX */
cff_dict *topdict; /* Top DICT (single) */
cff_index *string; /* String INDEX */
cff_index *gsubr; /* Global Subr INDEX */
cff_encoding *encoding; /* Encodings */
cff_charsets *charsets; /* Charsets */
cff_fdselect *fdselect; /* FDSelect, CIDFont only */
cff_index *cstrings; /* CharStrings */
cff_dict **fdarray; /* CIDFont only */
cff_dict **private; /* per-Font DICT */
cff_index **subrs; /* Local Subr INDEX, per-Private DICT */
/* -- extra data -- */
l_offset offset; /* non-zero for OpenType or PostScript wrapped */
l_offset gsubr_offset;
card16 num_glyphs; /* number of glyphs (CharString INDEX count) */
card8 num_fds; /* number of Font DICT */
/* Updated String INDEX.
* Please fix this. We should separate input and output.
*/
cff_index *_string;
FILE *stream;
int filter; /* not used, ASCII Hex filter if needed */
int index; /* CFF fontset index */
int flag; /* Flag: see above */
int is_notdef_notzero; /* 1 if .notdef is not the 1st glyph */
} cff_font;
extern cff_font *cff_open (FILE *file, int offset, int idx);
#define cff_seek_set(c, p) seek_absolute (((c)->stream), ((c)->offset) + (p));
#define cff_read_data(d, l, c) fread(d, 1, l, (c)->stream)
#define cff_tell(c) ftell((c)->stream)
#define cff_seek(c, p) seek_absolute((c)->stream, p)
extern void cff_close (cff_font *cff);
/* CFF Header */
extern int cff_put_header (cff_font *cff, card8 *dest, int destlen);
/* CFF INDEX */
extern cff_index *cff_get_index (cff_font *cff);
extern cff_index *cff_get_index_header (cff_font *cff);
extern void cff_release_index (cff_index *idx);
extern cff_index *cff_new_index (card16 count);
extern int cff_index_size (cff_index *idx);
extern int cff_pack_index (cff_index *idx, card8 *dest, int destlen);
/* Name INDEX */
extern char *cff_get_name (cff_font *cff);
extern int cff_set_name (cff_font *cff, char *name);
/* Global and Local Subrs INDEX */
extern int cff_read_subrs (cff_font *cff);
/* Encoding */
extern int cff_read_encoding (cff_font *cff);
extern int cff_pack_encoding (cff_font *cff, card8 *dest, int destlen);
extern card16 cff_encoding_lookup (cff_font *cff, card8 code);
extern void cff_release_encoding (cff_encoding *encoding);
/* Charsets */
extern int cff_read_charsets (cff_font *cff);
extern int cff_pack_charsets (cff_font *cff, card8 *dest, int destlen);
/* Returns GID of PS name "glyph" */
extern card16 cff_glyph_lookup (cff_font *cff, const char *glyph);
/* Return PS name of "gid" */
extern char* cff_get_glyphname (cff_font *cff, card16 gid);
/* Returns GID of glyph with SID/CID "cid" */
extern card16 cff_charsets_lookup (cff_font *cff, card16 cid);
extern card16 cff_charsets_lookup_gid (cff_charsets *charset, card16 cid);
extern void cff_release_charsets (cff_charsets *charset);
/* Returns SID or CID */
extern card16 cff_charsets_lookup_inverse (cff_font *cff, card16 gid);
extern card16 cff_charsets_lookup_cid(cff_charsets *charset, card16 gid);
/* FDSelect */
extern int cff_read_fdselect (cff_font *cff);
extern int cff_pack_fdselect (cff_font *cff, card8 *dest, int destlen);
extern card8 cff_fdselect_lookup (cff_font *cff, card16 gid);
extern void cff_release_fdselect (cff_fdselect *fdselect);
/* Font DICT(s) */
extern int cff_read_fdarray (cff_font *cff);
/* Private DICT(s) */
extern int cff_read_private (cff_font *cff);
/* String */
extern char *cff_get_string (cff_font *cff, s_SID id);
extern int cff_get_sid (cff_font *cff, const char *str);
extern int cff_get_seac_sid (cff_font *cff, const char *str);
extern s_SID cff_add_string (cff_font *cff, const char *str, int unique);
extern void cff_update_string (cff_font *cff);
#endif /* _CFF_H_ */
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