/* luatexfont.h --- General font definitions
Copyright 2008-2010 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: luatexfont.h 3790 2010-08-02 20:00:17Z oneiros $ */
#ifndef LUATEXFONT_H
# define LUATEXFONT_H
# include "ptexlib.h"
# ifndef pdfTeX
# define pdfTeX
# include "sfnt.h" /* which wants that pdfTeX is defined */
# undef pdfTeX
# else
# include "sfnt.h"
# endif
/**********************************************************************/
# define ASCENT_CODE 0
# define CAPHEIGHT_CODE 1
# define DESCENT_CODE 2
# define ITALIC_ANGLE_CODE 3
# define STEMV_CODE 4
# define XHEIGHT_CODE 5
# define FONTBBOX1_CODE 6
# define FONTBBOX2_CODE 7
# define FONTBBOX3_CODE 8
# define FONTBBOX4_CODE 9
# define FONTNAME_CODE 10
# define GEN_KEY_NUM (XHEIGHT_CODE + 1)
# define MAX_KEY_CODE (FONTBBOX1_CODE + 1)
# define INT_KEYS_NUM (FONTBBOX4_CODE + 1)
# define FONT_KEYS_NUM (FONTNAME_CODE + 1)
# define FD_FLAGS_NOT_SET_IN_MAPLINE -1
# define FD_FLAGS_DEFAULT_EMBED 4 /* a symbol font */
# define FD_FLAGS_DEFAULT_NON_EMBED 0x22
/* a nonsymbolic serif font */
/**********************************************************************/
typedef struct {
const char *pdfname;
const char *t1name;
boolean valid;
} key_entry;
extern const key_entry font_key[FONT_KEYS_NUM];
typedef struct _subfont_entry {
char *infix; /* infix for this subfont, eg "01" */
long charcodes[256]; /* the mapping for this subfont as read from sfd */
struct _subfont_entry *next;
} subfont_entry;
# include "mapfile.h"
typedef struct {
char *name; /* sfd name, eg "Unicode" */
subfont_entry *subfont; /* linked list of subfonts */
} sfd_entry;
typedef struct {
int val; /* value */
boolean set; /* true if parameter has been set */
} intparm;
typedef struct {
int fe_objnum; /* object number */
char *name; /* encoding file name */
char **glyph_names; /* array of glyph names */
struct avl_table *tx_tree; /* tree of encoding positions marked as used by TeX */
} fe_entry;
typedef struct fd_entry_ {
int fd_objnum; /* object number of the font descriptor object */
char *fontname; /* /FontName (without subset tag) */
char *subset_tag; /* 6-character subset tag */
boolean ff_found;
int ff_objnum; /* object number of the font program stream */
boolean all_glyphs; /* embed all glyphs? */
boolean write_ttf_glyph_names;
intparm font_dim[FONT_KEYS_NUM];
fe_entry *fe; /* pointer to encoding structure */
char **builtin_glyph_names; /* builtin encoding as read from the Type1 font file */
fm_entry *fm; /* pointer to font map structure */
struct avl_table *tx_tree; /* tree of non-reencoded TeX characters marked as used */
struct avl_table *gl_tree; /* tree of all marked glyphs */
} fd_entry;
typedef struct fo_entry_ {
int fo_objnum; /* object number of the font dictionary */
internal_font_number tex_font; /* needed only for \pdffontattr{} */
fm_entry *fm; /* pointer to font map structure for this font dictionary */
fd_entry *fd; /* pointer to /FontDescriptor object structure */
fe_entry *fe; /* pointer to encoding structure */
int cw_objnum; /* object number of the font program object */
int first_char; /* first character used in this font */
int last_char; /* last character used in this font */
struct avl_table *tx_tree; /* tree of non-reencoded TeX characters marked as used */
int tounicode_objnum; /* object number of ToUnicode */
} fo_entry;
typedef struct {
char *name; /* glyph name */
long code; /* -1 = undefined; -2 = multiple codes, stored
as string in unicode_seq; otherwise unicode value */
char *unicode_seq; /* multiple unicode sequence */
} glyph_unicode_entry;
typedef struct glw_entry_ { /* subset glyphs for inclusion in CID-based fonts */
unsigned int id; /* glyph CID */
signed int wd; /* glyph width in 1/1000 em parts */
} glw_entry;
typedef struct {
int charcode, cwidth, cheight, xoff, yoff, xescape, rastersize;
halfword *raster;
} chardesc;
/**********************************************************************/
# include "texfont.h"
/* tounicode.c */
int write_cid_tounicode(PDF, fo_entry *, internal_font_number);
void glyph_unicode_free(void);
void def_tounicode(str_number, str_number);
int write_tounicode(PDF, char **, char *);
/* vfpacket.c */
void replace_packet_fonts(internal_font_number f, int *old_fontid,
int *new_fontid, int count);
int *packet_local_fonts(internal_font_number f, int *num);
/* writecff.c */
void writetype1w(PDF pdf, fd_entry * fd);
/* writetype0.c */
void writetype0(PDF pdf, fd_entry * fd);
/* writefont.c */
void do_pdf_font(PDF, internal_font_number);
fd_entry *lookup_fd_entry(char *);
fd_entry *new_fd_entry(void);
void write_fontstuff(PDF);
void register_fd_entry(fd_entry * fd);
/* writet1.c */
boolean t1_subset(char *, char *, unsigned char *);
char **load_enc_file(char *);
void writet1(PDF, fd_entry *);
void t1_free(void);
extern int t1_length1, t1_length2, t1_length3;
/* writetype2.c */
void writetype2(PDF, fd_entry *);
extern unsigned long cidtogid_obj;
pdf_obj *pdf_new_stream(void);
void pdf_add_stream(pdf_obj * stream, unsigned char *buf, long len);
void pdf_release_obj(pdf_obj * stream);
/* subfont.c */
void sfd_free(void);
boolean handle_subfont_fm(fm_entry *, int);
/* writeenc.c */
fe_entry *get_fe_entry(char *);
void enc_free(void);
void write_fontencodings(PDF pdf);
/* writettf.c */
void writettf(PDF, fd_entry *);
void writeotf(PDF, fd_entry *);
void ttf_free(void);
extern int ttf_length;
/* pkin.c */
int readchar(boolean, chardesc *);
/* macnames.c */
extern char notdef[];
/* vfovf.c */
void vf_expand_local_fonts(internal_font_number f);
internal_font_number letter_space_font(internal_font_number f,
int e, boolean nolig);
internal_font_number auto_expand_font(internal_font_number f, int e);
void pdf_check_vf(internal_font_number f);
internal_font_number copy_font_info(internal_font_number f);
/* writet3.c */
extern FILE *t3_file;
void writet3(PDF, internal_font_number);
extern unsigned char *t3_buffer;
extern int t3_size;
extern int t3_curbyte;
# define t3_read_file() readbinfile(t3_file, &t3_buffer, &t3_size)
# define t3_close() xfclose(t3_file, cur_file_name)
# define t3_getchar() t3_buffer[t3_curbyte++]
# define t3_eof() (t3_curbyte>t3_size)
# define t3_prefix(s) (!strncmp(t3_line_array, s, strlen(s)))
# define t3_putchar(c) pdfout(c)
#endif /* LUATEXFONT_H */