/* Common header information for DVIPSONE 

   Copyright 1990,1991,1992,1993,1994,1995,1996,1997,1998,1999 Y&Y, Inc.
   Copyright 2007 TeX Users Group

   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., 51 Franklin Street, Fifth Floor, Boston, MA
   02110-1301 USA.  */

/////////////////////////////////////////////////////////

#ifdef _WINDOWS

// MYLIBAPI is defined as __declspec(dllexport) in the 
// implementation file (dvipsone.c).  Thus when this
// header file is included by dvipsone.c, functions will 
// be exported instead of imported.

#ifndef MYLIBAPI
#define MYLIBAPI __declspec(dllimport)
#endif

//////////////////////////////////////////////////////////

// MYLIBAPI int dvipsone(HWND, char *);

// MYLIBAPI int dvipsone(HWND, char *, int (*) (const char *));
MYLIBAPI int dvipsone(HWND, char *, int (*) (const char *, int));

// last argument is a call-backup that can send PS strings back

#define ICN_LISTBOX		525
#define ICN_COPY		526
#define ICN_RESET		527
#define ICN_ADDTEXT		528
#define ICN_SETTITLE	529
#define ICN_DONE		530
#define ICN_CLEAR		531

// MYLIBAPI int reencodeflag;

#endif

#ifdef _WINDOWS
#define PSBUFLEN 256
extern unsigned int psbufpos;
extern char psbuffer[PSBUFLEN];
extern void sendpsbuffer(FILE *);
extern void psputs(char *, FILE *);
#endif

#ifdef _WINDOWS
#define PSputs(str,output) psputs(str,output)
#else
#define PSputs(str,output) fputs(str,output)
#endif

// PSputc done as macro for speed

#ifdef _WINDOWS
// #define PSputc(chr,output) psputc(str, output);
#define PSputc(chr,output) \
   do{psbuffer[psbufpos++] = (char) chr; \
	   if ((psbufpos+2 >= PSBUFLEN) || (chr == '\n')) sendpsbuffer(output);}while(0)
#else
#define PSputc(chr,output) putc(chr,output)
#endif

#ifdef _WINDOWS
#define showline(str,flag) ShowLine(str,flag)
#else
#define showline(str,flag) \
	do{fputs(str,stdout);if(logfileflag)fputs(str,logfile);}while(0)
#endif

#ifdef _WINDOWS
// extern int (* PScallback) (const char *);	// callback for PS strings
extern int (* PScallback) (const char *, int);	// callback for PS strings
#endif

//////////////////////////////////////////////////////////

#define ID_BYTE 2			/* for version of DVI files that we understand */

/* Introduce new convenient structure for color info 98/Jul/18 */

typedef struct tagCOLORSPEC {
	float A;
	float B;
	float C;
	float D;
}
COLORSPEC;

/* the following kills __far */
#define __far
/*  and redefine far malloc, far realloc and far free in Win 32 */
#define _ffree free
#define _fmalloc malloc
#define _frealloc realloc
/* following are not standard C anyway */
/* #define _strdup strdup */
/* #define _searchenv searchenv */
/* #define _access access */
/* #define _alloca alloca */

/* #define FILENAME_MAX 128 */ /* 16 bit compiler stdio.h */
/* #define FILENAME_MAX 260 */ /* 32 bit compiler stdio.h */

#define MAXFILENAME FILENAME_MAX	/*  128 DOS stdio.h  */
									/*  260 NT  stdio.h  */
#define FNAMELEN FILENAME_MAX		/* max file name length */
#define MAXPATHLEN FILENAME_MAX		/* max path name length */
/*	#define MAX_PATH 260 */			/* in NT windef.h ? */
/* #define FNAMELEN 80 */			/* max file name length in DOS ? */
/* #define MAXPATHLEN 64 */			/* max path name length in DOS ? */

#define MAXCOMMENT 256		/* max length of TeX comment in DVI file */
/* #define MAXLINE 256 */	/* max length of input line (afm - tfm) */
#define MAXLINE 512			/* max length of input line 1994/Feb/24 */

/* #define MAXTEXNAME 33 */	/* (16?) max length of font name in  TeX */
/* #define MAXTEXNAME 32 */	/* (16?) max length of font name in  TeX - align */
// #define MAXTEXNAME 34 		/* (16?) max length of font name in  TeX - align */
/* #define MAXFONTNAME 33 */ /* max length of substitute fontname */
/* #define MAXFONTNAME 32 */ /* max length of substitute fontname - align */
// #define MAXFONTNAME 34 	 	/* max length of substitute fontname - align */
/* NOTE: MAXFONTNAME >= MAXTEXNAME since we copy sometimes from one to other */
/* #define MAXVECNAME 9 */ 	/* max length of encoding vector name */
/* #define MAXVECNAME 10 */	/* max length of encoding vector name - align */
// #define MAXVECNAME 24		/* compromise - why would anyone want... */

/* #define MAXCHARNAME 33 */ /* (25?) max length of character name */
#define MAXCHARNAME 32		 /* (25?) max length of character name - align */
/* MAXCHARNAME no longer limits length of char name just space allocation */
#define MAXCHRS 256			/* max number of characters codes */
#define TEXCHRS 128			/* max number of characters in a TeX font */

/* maximum number assigned to a font by TeX + 1 */
/* fixed allocation sizeof(int) * MAXFONTNUMBERS */

/* #define MAXFONTNUMBERS 512 *//* >= 256 max number assigned to a font + 1 */
#define MAXFONTNUMBERS 1024	/* 1999/Feb/22 */
/* #define MAXFONTNUMBERS 256 */	/* >= 256 max number assigned TeX 82 */

/* maximum number of fonts allowed in any one DVI file */
/* careful MAXFONTS * MAXCHRS must fit in unsigned int in doallocation */

#define MAXFONTS 512U		/* 1999/Nov/3 for Larry Tseng */
/* #define MAXFONTS 256U */	/* 72 >= 64 max number of fonts in DVI file */
/* #define MAXFONTS 128U */	/* 72 >= 64 max number of fonts in DVI file */

#define MAXSUBSTITUTE 512		/* max fonts in substitution table */
/* #define MAXSUBSTITUTE 256 */	/* 128 max fonts in substitution table */

#define WRAPCOLUMN 64		/* were to start thinking about wrapping special */
#define MAXSHOWONLINE 6		/* max shows in a row before newline */
#define MAXERRORS 64		/* error count before giving up */

#define MAXRANGES 16 		/* max number of page ranges - now expands */
/* #define MAXRANGES 12 */		/* max number of page ranges */

/* #define DVIDICT 256 */	/* allocation for DVIDICT in printer */
#define DVIDICT 300			/* allocation for DVIDICT in printer */
/* dvidict needs less to 256 (plus space for fonts */
/* but user may define a few extra things in dvidict ... */
/* can use command line -D=... to increase */

#define MAXREMAP 128			/* MAXREMAP can be 32 or 128 */
/* #define MAXREMAP 32 */		/* MAXREMAP can be 32 or 128 */

/* If it is 32, then code 32 does not get mapped to 195 and 127 not to 196 */

#define MAXSUBFILES 16			/* 1994/Feb/8 */
#define MAXPROLOGS 16			/* 1993/Dec/21 */

/* #define MAXSUBFILES 8 */		/* 1994/Feb/8 */
/* #define MAXPROLOGS 8 */		/* 1993/Dec/21 */

#define MAXCOLORSTACK 16		/* max depth of color stack */
/* #define MAXCOLORSTACK 8 */	/* max depth of color stack */

// #define BLANKFONT 255		/* this font number in DVIPSONE not used */
#define BLANKFONT -1		/* this font number in DVIPSONE not used */

#define INPUTEXT	"dvi" 	/* default extension on input file */
#define OUTPUTEXT	"ps"	/* extension on output file */

#define RESIDENT	"*reside*"		/* font resident in printer */
#define FORCESUB	"*force*"		/* force substitution */
#define REMAPIT		"*remap*"		/* remap to specified encoding */
#define ALIASED		"*alias*"		/* just another name for same thing */
#define SYNTHETIC	"*synthetic*"	/* don't mess with innards ! */
#define COMPOUND	"*compound*" 	/* backward compatability */
#define HYBRID		"*hybrid*"		/* don't mess with innards */
#define MTMI		"*mtmi*"		/* font sucks rocks ! */
#define EPSF		"*epsf*"		/* allow use for EPSF %%IncludeFont: */
/* #define CONTROL		"*control*" */	/* remap control character range */

#define C_RESIDENT 1			/* code for RESIDENT font */
#define C_FORCESUB 2			/* code for FORCESUB font */
#define C_REMAPIT 4				/* code for REMAPIT font */
#define C_ALIASED 8				/* code for ALIASED font */
#define C_MISSING 16			/* code for missing font */
#define C_UNUSED 32				/* code for unused font */
#define C_DEPENDENT 64			/* code for font in other size */
/* #define C_COMPOUND 128 */		/* font is synthetic */
/* #define C_HYBRID 128 */		/* font is synthetic */
#define C_SYNTHETIC 128			/* font is synthetic */
#define C_MTMI 256				/* font sucks rocks */
#define C_EPSF 512				/* allow use for EPSF %%IncludeFont: */
#define C_MULTIPLE 1024			/* Multiple Master Base Font */
#define C_INSTANCE 2048			/* Multiple Master Instance */
#define C_NOTBASE 4096			/* subfontname is MM instance, not MM base */
/* #define C_CONTROL 8192 */	/* remap control character range */

#define CRYPT_MUL 52845u	/* pseudo-random number generator multiplier */
#define CRYPT_ADD 22719u	/* pseudo-random number generator addend */

#define REEXEC 55665			/* seed constant for eexec encryption */
/* #define RCHARSTRING 4330 */ 	/* seed constant for charstring encryption */

/* #define SINFINITY 32767 */	/* 2^{15} - 1 */
#define LINFINITY 2147483647	/* 2^{31} - 1 */

#define SUBDIRSEARCH	/* 1994/Aug/18 provide for sub-directory search */

#define TPIC			/* insert code for dealing with TPIC \specials */

#define TIFF			/* insert code for dealing with TIFF \specials */

#define ALLOWSCALE		/* allow scaling of output DVI coordinates */

/* DVI one byte commands: */

enum dvicom {
/* set_char_0 = 0, set_char_1, set_char_2, */
set1 = 128, set2, set3, set4,
set_rule = 132, 
put1 = 133, put2, put3, put4,
put_rule = 137,
nop = 138, bop, eop, push, pop,
right1 = 143, right2, right3, right4,
w0 = 147, w1, w2, w3, w4,
x0 = 152, x1, x2, x3, x4,
down1 = 157, down2, down3, down4,
y0 = 161, y1, y2, y3, y4,
z0 = 166, z1, z2, z3, z4,
/* fnt_num_0 = 171, font_num_1, font_num_2, font_num_3, */
fnt1 = 235, fnt2, fnt3, fnt4,
xxx1 = 239, xxx2, xxx3, xxx4,
fnt_def1 = 243, fnt_def2, fnt_def3, fnt_def4,
pre = 247, post, post_post
};

/* srefl = 250, erefl = 251 used for `right-to-left' languages in TeX-XeT */
/* need for these was later removed in TeX--XeT */

/* what DVI commands translate to: */

/*
#define SHOW "s"
#define RIGHT "r"
#define DOWN "d"
#define WRIGHT "w"
#define WSETRIGHT "W"
#define XRIGHT "x"
#define XSETRIGHT "X"
#define YDOWN "y"
#define YSETDOWN "Y"
#define ZDOWN "z"
#define ZSETDOWN "Z"
#define PUSHSTATE "u"
#define POPSTATE "o"
#define MAKEFONT "mf"
*/

/* AND: O => oo, U => u u, M => o u */

extern unsigned char decryptbyte(unsigned char, unsigned short *);
extern void preextract(void);					/* in dviextra.c */
extern void writetextext(FILE *);				/* in dviextra.c */
/* extern void writeansicode(FILE *); */			/* in dviextra.c */
extern void writeansicode(FILE *, char *);			/* in dviextra.c */
/* extern void writetextencode(FILE *, char *); */	/* in dviextra.c */
extern int readtextencode(char *);				/* in dviextra.c */
extern void writedviencode(FILE *);				/* in dviextra.c */
/*extern void extract(FILE *);	*/				/* in dviextra.c */
extern int extractfonts(FILE *);				/* in dviextra.c */
extern void fontsetup(FILE *);					/* in dviextra.c */
extern unsigned long readlength(FILE*);			/* in dviextra.c */
extern void makefilename(char *, char *);		/* in dviextra.c */
extern int underscore(char *);					/* in dviextra.c */
extern int removeunder(char *);				/* in dviextra.c */
extern int ResidentFont(char *);				/* in dviextra.c */
extern int FindFileName (char *, char *);		/* in dviextra.c */
extern int MarkUnusedFonts(void);				/* in dviextra.c */
extern int GetSubstitutes(void);				/* in dviextra.c */

extern int scanlogfile(FILE *);				/* in dvipslog.c */
extern void resetpagerangehit (int);			/* in dvipslog.c */
extern char *alias (char *);					/* in dvipslog.c */
extern char *nextpathname(char *, char *);		/* in dvipslog.c */
extern int searchalongpath (char *, char *, char *, int);
extern FILE *findandopen(char *, char *, char *, char *, int);
// extern int ReadATMReg(char *, char *);			/* in dvipslog.c */
extern int LookupATMReg(char *, char *);			/* in dvipslog.c */
extern int SetupATMReg(void);					/* in dvipslog.c */
extern void freebackground (void);				/* in dvipslog.c */

extern int readtfm(char *, FILE *, long widths[]);
extern int readafm(char *, FILE *, long widths[]);
extern int readpfm(char *, FILE *, long widths[]);

/* extern int NamesFromPFM (FILE *, char *, int, char *, int); */
extern int NamesFromPFM (FILE *, char *, int, char *, int, char *);

extern int scandvifile(FILE *, FILE *, int);	/* in dvianal.c */
extern long gotopost(FILE *);			/* in dvianal.c */


/* extern FILE *findepsfile(char *, int); */	/* in dvispeci.c */
/* extern FILE *findepsfile(char *, int, char *); *//* in dvispeci.c */
extern FILE *findepsfile(char *, char *, int, int);	/* in dvispeci.c */
extern int scanspecial(FILE *, char *, int);	/* in dvispeci.c */
extern int scanspecialraw(FILE *, char *, int);	/* in dvispeci.c */
extern FILE *fopenfont (char *, char *, int);	/* in dvispeci.c */
extern int FindMMBaseFile (int k);				/* in dvispeci.c */
extern int checkCTM(FILE *);					/* in dvispeci.c */
extern int checkColorStack(FILE *);				/* in dvispeci.c */
extern int doColorPopAll(int);
extern int doColorPop(int);
extern int doColorPush(int);
extern void doColorSet(FILE *, int);
extern double decodeunits(char *);				/* in dvispeci.c */

extern int readcommands(char *filename);

// extern void errcount(void);
extern void errcount(int);
extern void giveup(int);
/* extern void tellwhere(FILE *); */
extern void tellwhere(FILE *, int);
extern void ShowLine(char *, int);			/* new in dvipsone.c */

extern getalphatoken(FILE *, char *, int);
extern gettoken(FILE *, char *, int);
extern void flushspecial(FILE *);
extern int skipthispage(long);
extern int readspecial(FILE *, FILE *, unsigned long);
extern void prereadspecial(FILE *, unsigned long); 
extern void lowercase(char *, char *);
extern void uppercase(char *, char *);
extern void extension(char *, char *);
extern void forceexten(char *, char *);
char *extractfilename(char *);
extern void removeexten(char *);
extern int getline(FILE *, char *);
extern int getrealline(FILE *, char *);
/* extern char *nextpathname(char *, char *); */
extern char *removepath(char *);
extern int copyepssimple(FILE *, FILE *);
extern int setupatmini(void);			/* dvipsone.c */
extern void checkexit(int);				/* dvipsone.c */
extern char *zstrdup(char *);			/* dvipsone.c */

extern int abortjob(void);				/* dvipsone.c */
extern char *grabenv (char *);			/* dvipsone.c */

extern void setupinifilesub(char*, char *);	/* in dvipsone.c */
extern int uexit (int);					/* in dvipsone.c */

extern void setupfontchar(int);			/* set up wantchrs for one font */

extern void map850topdf(char *, int);	/* in dvispeci.c */
extern void complainspecial(FILE *); 

/* extern void initializeencoding(void); */	/* dviextra.c */
extern void initializeencoding(int);		/* dviextra.c */
extern int decompressfont(FILE *, FILE *, char *); /* dviextra.c */

extern int newspecials(FILE *, FILE *);		/* dvitiff.c */
extern int dohptag(FILE *, FILE *);			/* dvitiff.c */

extern unsigned long codefourty (char *);

extern void DeAllocStringsIn(void);			/* dvitiff.c */
extern void DeAllocStringsOut(void);		/* dvitiff.c */

extern void doColor (FILE *, FILE *, int, int);	/* dvispeci.c */
extern void RestoreColorStack(int);				/* dvipslog.c */
extern void freecolorsave (void);			/* dvipslog.c */

extern void doClipBoxPopAll(FILE *);		/* dvispeci.c */

/* extern unsigned int ureadone(FILE *); */
/* extern unsigned int ureadtwo(FILE *); */
/* extern int sreadone(FILE *); */
/* extern int sreadtwo(FILE *); */
/* extern unsigned long ureadthree(FILE *); */
/* extern unsigned long ureadfour(FILE *); */
/* extern long sreadthree(FILE *); */
/* extern long sreadfour(FILE *); */

void scivilize (char *);

void lcivilize (char *);

void perrormod (char *);

FILE *OpenFont(char *font, int flag);

FILE *openpfm (char *font);

int LoadATMREG (void);

////////////////////////////////////////////////////////////////////

extern FILE *errout;		/* where to send error output */

extern int logfileflag;		/* write log file 99/Apr/20 */
extern FILE *logfile;		/* 1999/Apr/20 */

extern FILE *input; 			/* used by tellwhere */

extern int volatile bAbort;		/* set by user control-C */ /* 1992/Nov/24 */
extern int abortflag;

extern char *task;			/* current task -  for error message */

extern int const statisticsflag;	/* non-zero => output stack depth, fonts used */
extern int const complainflag;		/* non-zero implies complain sub table warnings */
extern int const timingflag;		/* non-zero => show timing information */

extern int verboseflag;		/* non-zero => lots of output */
extern int traceflag;		/* non-zero => lots of output */
extern int quietflag;			/* non-zero => suppress \special complaints */
extern int reverseflag;		/* non-zero => do pages in reverse order */
extern int skipflag;		/* on when page to be skipped reading forward */
extern int countzeroflag;	/* non-zero => page limits based on TeX /count0 */
extern int stripcomment;	/* non-zero => strip comments */
extern int bUseCounters;	/* non-zero counter[1]-counter[2] 96/Jan/28 */
extern int bShortFont;		/* use shorter font numbers for /f... */
extern int bBackWardFlag;	/* force long form of octal escape in strings */
extern int bForwardFlag;		/* use \b, \t, \n, ... \f, \r in strings 93/Sep/29 */
extern int textures;		/* non-zero => textures style DVI file */
extern int bBackGroundFlag;	/* support \special{background ...} 98/Jun/30 */
extern int bBackUsed;		/* non-zero of \special{background ...} used */
extern int oddpageflag;		/* print only odd pages */
extern int evenpageflag;	/* print only even pages */
extern double xoffsete;			/* x offset even pages */
extern double yoffsete;			/* y offset even pages*/
extern double xoffseto;			/* x offset odd pages */
extern double yoffseto;			/* y offset odd pages */
extern int evenoddoff;		/* non-zero if offsets differ on even/odd page */
extern int pagetpic;		/* non-zero if TPIC special used on this page */
extern int complainedaboutj;	/* reset at top of page */
extern int colorindex;		/* color stack index 96/Nov/3 */
extern int clipstackindex;	/* clip push pop index 98/Sep/12 */
extern int bColorUsed;		/* non-zero if \special{color ...} seen */
extern int bCarryColor;		/* carry color across pages 98/Feb/14 */
extern int CTMstackindex;	/* CTM stack index 96/Nov/3 */
extern int newbopflag;		/* want LogicalPage PhysicalPage */
extern int bOptionalDSC;	/* want %%PageTrailer comments */
extern int bRemapControl;	/* non-zero => 0 - 32, 127 => 161 -- 196 */
extern int bRemapSpace;		/* non-zero => 32 => 195, 0 => 161 95/Oct/17 */
extern int bRemapFont;		/* remap just this one font ... 95/Oct/15 */
extern int nRepeatIndex;	/* 95/Aug/27 */
extern int nRepeatCount;	/* 95/Aug/27 */

extern long pageno;			/* for convenience in error messages dvipslog.c */
extern long pagenumber;		/* count of pages actually seen */
extern long numpages;		/* number of pages actually processed */
extern long dvistart;		/* where DVI part of Textures file starts */
extern long nMinRule;		/* min rule thickness (Acrobat fix) 95/Oct/10 */
extern long previous;		/* pointer to previous bop in this file */
extern int finish;			/* when seen last eop */

extern long counter[10];

extern char line[MAXLINE];	/* general purpose input `buffer' 512 bytes */
extern char logline[MAXLINE];	/* used for showline */

extern char *outputfile;		/* output file or empty */
extern char *filenamex;			/* remember file name here */
extern char *epspath;			/* directory to look for EPF files */
extern char *dvipath;			/* directory of dvi file */

extern char *fontsubpath;
extern char *fontsubrest;		/* font substitution file on command line */

extern char fontsubfile[FNAMELEN];		/* font substitution file */
extern char *subfontfile[MAXSUBFILES];	/* user subfile or empty (-s=...) */

extern int remaptable[MAXREMAP];	/* 1994/June/20 */

// extern int finx[MAXFONTNUMBERS]; 	/* indeces into next few */
extern short finx[MAXFONTNUMBERS]; 	/* indeces into next few */

extern int fontsubflag[MAXFONTS];	/* non-zero if substitute font used */
extern int fontproper[MAXFONTS];	/* code resident/forced/remap/alias */
extern unsigned long fc[MAXFONTS]; 	/* checksum of TFM file (encoding info) */
extern unsigned long fs[MAXFONTS];		/* at size */ 

// extern char *fontname;			/* 1994/Feb/2 */
extern char *fontname[MAXFONTS];	/* 1999/Nov/6 */
// extern char *subfontname;		/* 1994/Feb/2 */
extern char *subfontname[MAXFONTS];	/* 1999/Nov/6 */
// extern char *fontvector;			/* font remapping vector */
extern char *fontvector[MAXFONTS];			/* font remapping vector */
// extern char *fontchar;			/* which characters needed */
extern char *fontchar[MAXFONTS];			/* which characters needed */

// extern char *fontsubfrom;
extern char *fontsubfrom[MAXSUBSTITUTE];	/* 1999/Nov/6 */
// extern char *fontsubto;
extern char *fontsubto[MAXSUBSTITUTE];		/* 1999/Nov/6 */
// extern char *fontsubvec;
extern char *fontsubvec[MAXSUBSTITUTE];		/* 1999/Nov/6 */

extern int dvi_s, dvi_t;  /* stack depth & no of pages (bop) in DVI file */

extern unsigned long dvi_l, dvi_u;	/* max page height + depth & max width *//* NA */

extern unsigned long num, den; 	/* from DVI file */
extern unsigned long mag;		/* Tex \mag => 1000 times desired magnification */

extern int ff;		/* current font - changed by fnt and fnt_num - reset by bop */
extern int fnt;		/* fnt =  finx[ff] */

extern int fnext;					/* next slot to use */
extern int flast;					/* last including MM fonts */

#ifdef ALLOWSCALE
extern int outscaleflag;
extern double outscale;
#endif

// dvitiff.c

extern int bTextColor;
extern double textred;
extern double textgreen;
extern double textblue;	
extern int bRuleColor;
extern double rulered;
extern double rulegreen;
extern double ruleblue;	
extern int bFigureColor;
extern double figurered;
extern double figuregreen;
extern double figureblue;	
extern int bReverseVideo;
extern int bDVICopyReduce;				/* 1995/Sep/16 */
extern long postposition;	/* position of post op in DVI */

extern COLORSPEC CurrColor;
extern COLORSPEC *BackColors;

extern COLORSPEC ColorStack[MAXCOLORSTACK];		/* current stack 98/Jul/18 */

extern int bPDFmarks;		/* write pdfmarks into PS file 95/Feb/25 */
extern int bGhostHackFlag;
extern int bSuppressBack;	/* suppress background in imagemask 95/Dec/31 */
extern int nDefaultTIFFDPI;	/* use if resolution not specified in TIFF */
extern int bLevel2;			/* if allowed to use level 2 features 96/Dec/20 */ 
extern int bAllowCompression;	/* allow use of compression of TIFF images */
extern int bAllowColor;	/* allow use of colorimage operator */
extern int bKeepBlack;		/* suppress textcolor, rulecolor, figurecolor */
extern int bInsertImage;	/* if \special{insertimage: ... } seen */
extern int bLandScape;		/* asked for landscape mode -*O 95/Jun/24 */

extern int wantmagictiff;		/* TIFF: want to use our own screen function */
extern int frequency, angle;	/* frequency and angle */
extern int usealtGoToR;			/* use alternate /GoToR action in PDF */

// dvispeci.c

extern int directprint;			/* non-zero => output directly to printer */
extern int bSmartCopyFlag;		/* non-zero => look for %%EOF and such */
extern int bPassControls;		/* pass through control characters in EPSF */
extern int bKeepTermination;	/* keep line terminations intact in EPS */
extern int passcomments;		/* non-zero => do not flush comment lines EPS */
extern int verbatimflag;		/* non-zero => allow verbatim PostScript */
extern int preservefont;		/* preserve font across verbatim */
extern int bWrapSpecial;		/* prevent long linesin \special */

extern int bSciWord;			/* treat ps: filename case */
extern int bIgnoreSpecials;		/* non-zero => ignore \specials */
extern int bPassEPSF;			/* non-zero => pass EPSF files (normal) */
extern int allowtpic;			/* non-zero => allow TPIC \specials */
extern int needtpic;			/* non-zero => need TPIC header */
extern int bOldDVIPSFlag;		/* non-zero => wrap ps: code unlike ps:: */
extern int bOldDVIPSFlip;		/* flip coordinates in ps: code 96/Nov/7 */
extern int bQuotePage;			/* suppress showpage in \special{"..."} */
extern int bProtectStack;		/* add [ ... cleartomark 97/Nov/24 */
extern int bStoppedContext;		/* add { ... } stopped 97/Nov/24 */

extern int bAllowInclude;		/* expand %%IncludeResource: font ... */
extern int bAllowBadBox;		/* allow single % comment before BoundingBox */
extern int bConvertReturn;		/* convert isolated \r in EPS to \n */
extern int reverseflag;			/* non-zero => do pages in reverse order */
extern int showcount;			/* on when last sent out "set" or "put" */
extern int freshflag;			/* at start of new line from PS special 99/Dec/19 */

extern int useatmini;			/* use [Setup] section in `atm.ini' */
extern int useatmreg;			/* use armreg.atm */
extern int usepsfontname;		/* allow use of PS Fontnames in DVI TFM */
extern int bFirstNull;			/* non-zero => flush \special starts with null */

extern char *szATMRegAtm;		/* full file name of atmreg.atm */
extern char *atmini;			/* full file name for atm.ini, with path */
extern char *tpiccommands;
extern char *fontpath;			/* from PSFONTS env var in dvipsone.c */
extern char *afmpath;		/* default path for AFM font metric files */
extern char *tfmpath;		/* default path for TFM font metric files */
extern char *pfmpath;		/* default path for PFM font metric files */
extern char *vecpath;		/* default place for encoding vectors */
extern char *texfonts;		/* default place for TFM font metric files */

extern int currentfirst;	/* look in current directory for files */
extern int useatmfontsmap;	/* zero if tried and failed to find atmfonts.map */
extern char *atmfontsmap;	/* file name and path to ATMFONTS.MAP */

extern int colortypeflag;	/* 0 => gray, 1 => rgb, 2 => cmyk */
extern int colorindex;		/* points at next slot to push into */
extern int clipstackindex;				/* set to zero at start of page */

extern int columns;			/* maximum length of output line */
extern int subfontfileindex;			/* pointer into following */

extern int showsubflag;			/* non-zero => show substitution table */
extern int wantnotdef;			/* non-zero => want .notdef CharString */
extern int flushcr;				/* try and get rid of those pesky \r */
extern int stripinfo;			/* strip out rest of /FontInfo directory */
extern int substituteflag;		/* non-zero => do font substitution */
extern int forcereside;			/* non-zero => force printer resident */
extern int avoidreside;			/* non-zero => veto printer resident */
extern int bWindowsFlag;		/* reencode StandardEncoding to Windows ANSI */
						/* *or* by specified textencoding - ENCODING env var */
extern int bCheckEncoding;		/* check checksum for match with encoding */
extern int insertmetrics;		/* insert new font metrics in substituted */

extern int tryunderscore;		/* try underscore form of font file name */
extern int bUseInternal;		/* non-zero => use internal number for /fn...*/
extern int bAllowShortEncode;	/* allow name of Encoding instead of list */
extern int bAllowStandard;		/* allow use StandardEncoding if it works */
extern int bAllowTexText;		/* allow use TeXtext encoding if it works */
extern int bAllowANSI;			/* allow use ANSI encoding if it works */
extern int busedviencode;		/* use dvipsone reencoding of all fonts ! */
extern int accentedflag;	    /* deal with accented / composite chars */
extern int syntheticsafe;		/* be paranoid about synthetic fonts */
extern int bSuppressPartial;	/* suppress partial font downloading */
extern int bForceFullArr;		/* force full 256 element Encoding array */
extern int keepgap;				/* keep space bytes before ND 93/Aug/5*/
extern int showfontflag;		/* non-zero => show font tables */
extern int stripchecking;		/* strip garbage from nasty old Adobe fonts */
extern int textextwritten;		/* non-zero textext encoding already written */
extern int ansiwritten;			/* non-zero ansi encoding already written */
extern int bTexFontsMap;		/* non-zero => allowed to use `texfonts.map'*/
extern int bForceFontsMap;		/* non-zero => replace aliases `texfonts.map'*/
extern int bMarkUnused;			/* non-zero => mark unused fonts early */
extern int bMMShortCut;			/* simple way to construct base file name */

extern int bSubRealName;		/* substitute file name for FontName in PFA */
								/* not good idea to set to zero ... */
extern int bRandomPrefix;		/* add random prefix to file names 95/Sep/30 */

extern int bAddBaseName;		/* add BaseFontName for Distiller 97/Jan/30 */

extern char *textencoding;		/* encoding used by plain vanilla text fonts */
								/* may override "ansinew" 94/Dec/17 */
extern char *textenconame;		/* just vector name itself 95/Feb/3 */

extern unsigned long nCheckSum;	/* expected checksum ENCODING= *//* 95/Feb/3 */

extern int nfonts, nsubstitute, nremapped, nansified;

extern int uppercaseflag;		/* convert font names to upper case */
extern int maxsubstitute;		/* usually equal to MAXSUBSTITUTE */
extern int maxfonts;			/* usually equal to MAXFONTS */
extern int bStripBadEnd;		/* read to EOL at end of encrypted 96/Feb/22 */

extern char *fontprefix;		/* prefix to use on FontName */

extern int BBxll, BByll, BBxur, BByur;	/* crop box given 96/May/4 */

extern int rangeindex;			/* index into following table */

// extern long beginpages[MAXRANGES];	/* table of pagebegins */
extern long *beginpages;	/* table of pagebegins */
// extern long endpages[MAXRANGES];	/* table of pageends */
extern long *endpages;	/* table of pageends */

// extern int pagerangeseq[MAXRANGES];/* which instance of page range desired ? */
extern int *pagerangeseq;/* which instance of page range desired ? */

extern char fn_in[FNAMELEN], fn_out[FNAMELEN];		/* 1994/Mar/1 */

extern long nspecial;		/* byte count of special */
extern long nspecialsav;	/* byte count of special */
extern long specstart;		/* saved start of \special for error message */

extern char *comment;			/* pointer to place for TeX comment */

extern char *papersize;			/* Custom paper size specified via special */

extern int nheaderlength;		// 99/July/14
extern char *headerfile;		/* name of user supplied header file(s) */

extern int headertextlen;		/* how much has been accumulated */
extern char *headertext;		/* accum header PS text from headertext= */

extern int commandspeclen;
extern char *commandspec;

extern int dsccustomlen;		/* how much has been accumulated */
extern char *dsccustom;			/* accum DSC header text from DSCcomment= */

extern int keywordslen;			/* how much has been accumulated in following */
extern char *keywords;			/* accumulated keywords from keywords= */

extern char *dscfile;			/* name of (single) DSC header file */

extern char *creatorstring;		/* creator for DocInfo in Acrobat */
extern char *titlestring;		/* title for DocInfo in Acrobat */
extern char *subjectstring;		/* Subject for DocInfo in Acrobat */
extern char *authorstring;		/* Author for DocInfo in Acrobat */
extern char *basestring;		/* Base for DocView in Acrobat */
extern char *pagemode;			/* Base for DocView in Acrobat */

extern int stinx;				/* stack index */ /* just for verification */
extern int maxstinx;			/* max stack index seen */
extern int usefontmap;			/* 1996/July/30 */

extern int dirindex;			// number of dir paths in ATMREG.ATM
extern int ATMfontindex;		// number of font entries from ATMREG.ATM

extern int usecallbackflag;

extern int ksubst;				// entries in substitution table

extern int fontsubprop[MAXSUBSTITUTE];  /* resident/forced/remapped/alias */

extern int badpathwarn;

extern char **DirPaths;

extern jmp_buf jumpbuffer;		// for non-local jumps