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/*
Copyright (c) 1996-2002 Han The Thanh, <thanh@pdftex.org>

This file is part of pdfTeX.

pdfTeX 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.

pdfTeX 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 pdfTeX; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

$Id: //depot/Build/source.development/TeX/texk/web2c/pdftexdir/ptexlib.h#26 $
*/

#ifndef PDFTEXLIB
#define PDFTEXLIB

/* WEB2C macros and prototypes */
#if !defined(PDFTEXCOERCE) && !defined(PDFETEXCOERCE)
#ifdef pdfTeX
#undef pdfTeX /* to avoid warning about redefining pdfTeX in pdftexd.h */
#endif /* pdfTeX */
#define EXTERN extern
#include "pdftexd.h"
#endif

/* pdftexlib macros */
#include "ptexmac.h"

/* pdftexlib type declarations */
typedef struct {
    const char *pdfname;
    const char *t1name;
    float value;
    boolean valid;
} key_entry;

typedef struct {
    boolean loaded;                 /* the encoding has been loaded? */
    char *name;                     /* encoding file name */
    integer objnum;                 /* object number */
    char **glyph_names;
} enc_entry;

typedef struct {
    char *tfm_name;             /* TFM file name */
    char *ps_name;              /* PostScript name */
    integer flags;              /* font flags */
    char *ff_name;              /* font file name */
    char *subset_tag;           /* pseudoUniqueTag for subsetted font */
    enc_entry *encoding;        /* pointer to corresponding encoding */
    internalfontnumber tfm_num; /* number of the TFM refering this entry */
    unsigned short type;        /* font type (T1/TTF/...) */
    short slant;                /* SlantFont */
    short extend;               /* ExtendFont */
    integer ff_objnum;          /* FontFile object number */
    integer fn_objnum;          /* FontName/BaseName object number */
    integer fd_objnum;          /* FontDescriptor object number */
    char *charset;              /* string containing used glyphs */
    boolean all_glyphs;         /* embed all glyphs? */
    unsigned short links;       /* link flags from tfm_tree and ps_tree */
    short tfm_avail;            /* flags whether a tfm is available */
} fm_entry;

typedef struct {
    char *ff_name;              /* base name of font file */
    char *ff_path;              /* full path to font file */
} ff_entry;

typedef short shalfword ;
typedef struct {
   integer charcode,
           cwidth, 
           cheight,
           xoff, 
           yoff, 
           xescape,
           rastersize;
   halfword *raster;
} chardesc;

/* pdftexlib variable declarations */
extern boolean fontfile_found;
extern boolean is_otf_font;
extern boolean true_dimen;
extern boolean write_ttf_glyph_names;
extern char **t1_glyph_names, *t1_builtin_glyph_names[];
extern char *cur_file_name;
extern const char notdef[];
extern fm_entry *fm_cur;
extern integer t1_length1, t1_length2, t1_length3;
extern integer ttf_length;
extern internalfontnumber tex_font;
extern key_entry font_keys[];
extern strnumber last_tex_string;
extern size_t last_ptr_index;
extern char fontname_buf[];

/* pdftexlib function prototypes */

/* epdf.c */
extern integer get_fontfile_num(int);
extern integer get_fontname_num(int);
extern void epdf_free(void);

/* mapfile.c */
extern char *mk_basename(char *);
extern char *mk_exname(char *, int);
extern fm_entry * lookup_fontmap(char *);
extern boolean hasfmentry(internalfontnumber);
extern internalfontnumber tfmoffm(fmentryptr);
extern void checkextfm(strnumber, integer);
extern void fm_free(void);
extern void fm_read_info(void);
extern ff_entry * check_ff_exist(fm_entry *);
extern void pdfmapfile(integer);
extern void pdfmapline(integer);

/* papersiz.c */
extern integer myatodim(char **);
extern integer myatol(char **);

/* pkin.c */
extern int readchar(boolean, chardesc *);

/* utils.c */
extern boolean str_eq_cstr(strnumber, char *);
extern char *makecstring(integer);
extern int xfflush(FILE *);
extern int xgetc(FILE *);
extern int xputc(int, FILE *);
extern scaled extxnoverd(scaled, scaled, scaled);
extern size_t xfwrite(void *, size_t size, size_t nmemb, FILE *);
extern strnumber getresnameprefix(void);
extern strnumber maketexstring(const char *);
extern integer fb_offset(void);
extern void fb_flush(void);
extern void fb_putchar(eightbits b);
extern void fb_seek(integer);
extern void libpdffinish(void);
extern char *makecfilename(strnumber s);
extern void make_subset_tag(fm_entry *, char **);
extern void pdf_printf(const char *,...);
extern void pdf_puts(const char *);
extern void pdftex_fail(const char *,...);
extern void pdftex_warn(const char *,...);
extern void setjobid(int, int, int, int, int, int);
extern void tex_printf(const char *, ...);
extern void writestreamlength(integer, integer);
extern char *convertStringToPDFString(char *in, int len);
extern void printID(strnumber);

/* vfpacket.c */
extern eightbits packetbyte(void);
extern integer newvfpacket(internalfontnumber);
extern void poppacketstate(void);
extern void pushpacketstate(void);
extern void startpacket(internalfontnumber, integer);
extern void storepacket(integer, integer, integer);
extern void vf_free(void);

/* writeenc.c */
extern boolean indexed_enc(fm_entry *);
extern enc_entry *add_enc(char *);
extern void enc_free(void);
extern void read_enc(enc_entry *);
extern void write_enc(char **, enc_entry *, integer);

/* writefont.c */
extern void dopdffont(integer, internalfontnumber);

/* writeimg.c */
extern boolean checkimageb(integer);
extern boolean checkimagec(integer);
extern boolean checkimagei(integer);
extern boolean ispdfimage(integer);
extern integer epdforigx(integer);
extern integer epdforigy(integer);
extern integer imageheight(integer);
extern integer imagepages(integer);
extern integer imagewidth(integer);
extern integer imagexres(integer);
extern integer imageyres(integer);
extern integer readimage(strnumber, integer, strnumber, integer, integer, integer, integer);
extern void deleteimage(integer);
extern void img_free(void) ;
extern void updateimageprocset(integer);
extern void writeimage(integer);

/* writet1.c */
extern boolean t1_subset(char *, char *, unsigned char *);
extern void load_enc(char *, char **);
extern void writet1(void);
extern void t1_free(void);

/* writet3.c */
extern void writet3(int, internalfontnumber);
extern scaled getpkcharwidth(internalfontnumber, scaled);

/* writettf.c */
extern void writettf(void);
extern void writeotf(void);

/* writezip.c */
extern void writezip(boolean);

/* avlstuff.c */
extern void avlputobj(integer, integer);
extern integer avlfindobj(integer, integer, integer);

#endif  /* PDFTEXLIB */