/* $Header: /usr/jjc/dvitops/RCS/dvitops.h,v 1.7 90/08/14 13:14:07 jjc Rel $ */

#include "util.h"
 
#define MAXCHARS 256
 
#define NO_REGION -1
#define PASS1 1
#define PASS2 2
 
#define ID_BYTE		2
#define SIZE_MAX UINT_MAX
#define uread1(fp) ((unsigned char)(getc((fp))))
 
#define used_char(f, c) (page_used[f][c] = TRUE)
 
typedef long integer;
 
struct depend_list {
	struct postscript_f_list *f;
	struct depend_list *next;
};
 
struct postscript_f_list {
	struct postscript_f_list *next;
	char *file;
	int in_prolog; /* download it in the prolog or it's resident anyway */
	int nuses;
	char s[1];
};
 
 
struct page_info {
	integer address;
	integer count[10];
	integer num;
	integer den;
	integer max_drift;
	int mag;
	double hoffset;
	double voffset;
	int copies;
	char *paper;
};
 
#define WILD LONG_MAX
 
struct option_info {
	int mag;
	int reverse;
	int sort;
	int copies;
	int maxpages;
	char *paper;
	double hoffset;
	double voffset;
	long start_page[10]; /* WILD if it's a * */
};
 
extern char *texfonts;
extern char *texinputs;
extern char *texpk;
extern int dpi;
extern char *page_used[MAXFONTS];
extern long f_memory;
extern int nprolog_fonts;
extern int current_region;
extern int nregions;
extern int landscape;
extern int magnification;
extern int quiet;
 
#ifdef PROTO
integer sread4(FILE *fp);
integer sread3(FILE *fp);
int sread2(FILE *fp);
int sread1(FILE *fp);
integer uread3(FILE *fp);
integer uread2(FILE *fp);
void store_page_usage(void);
void used_font(int f);
integer f_space(int f);
integer f_width(int f, PROMOTED_UNSIGNED_CHAR c);
integer f_rounded_width(int f, PROMOTED_UNSIGNED_CHAR c);
int f_is_blank(int f);
void f_comment(FILE *);
void f_prologue(FILE *);
void f_set(int, FILE *); /* used characters are in page_used */
void f_def(integer fontno, char *name, char *area,
integer checksum, integer at_size, integer design_size, int magnification);
int same_font(int f);
void f_emit(int i, FILE *fp);
void emit_ps_font(char *font, FILE *psfp);
void need_ps_font(char *name, FILE *psfp);
integer scale(integer x, integer z);
void set_string(char *p, int n, int f, integer h, integer v);
void set_rule(integer a, integer b, integer h, integer v);
void eop(struct page_info *p);
void trailer(void);
void prologue(FILE *, int, int, char*);
struct postscript_f_list *add_postscript_font(char *font);
void read_dvi_file(FILE *fp, FILE *ofp, struct option_info *option);
int bigpoint(char *str, char **ptr, double *res);
void p_import_list(FILE *psfp, struct page_info *page);
void special(int pass, char *s, integer h, integer v);
void p_inline_list(FILE *psfp);
void p_tpic_list(FILE *psfp, struct page_info *page);
void p_form_list(FILE *psfp);
void p_special_prologues(FILE *psfp);
int include_file(char *filename, FILE *psfp);
/* returns 1 if it can load it 0 if not */
int load_pk_font(int n, char *name, char *used, integer at_size, 
	  integer checksum, integer *width, integer *rounded_width);
/* returns number of bytes of vm used, roughly */
char *find_pk_file(char *name, int mag);
integer emit_pk_font(int n, char *psname, char *used, FILE *fp);
void free_pk_font(int n);
void do_transform(int n, integer *origin_x, integer *origin_y, FILE *psfp);
char *strsave(char *);
/* return number of bytes output */
int put_dim(long, FILE *);
int tpic_special(int, char *, integer, integer);
#else
integer sread4();
integer sread3();
int sread2();
int sread1();
integer uread3();
integer uread2();
void store_page_usage();
void used_font();
integer f_space();
integer f_width();
integer f_rounded_width();
int f_is_blank();
void f_comment();
void f_prologue();
void f_set(); /* used characters are in page_used */
void f_def();
int same_font();
void f_emit();
void emit_ps_font();
void need_ps_font();
integer scale();
void set_string();
void set_rule();
void eop();
void trailer();
void prologue();
struct postscript_f_list *add_postscript_font();
void read_dvi_file();
int bigpoint();
void p_import_list();
void special();
void p_inline_list();
void p_tpic_list();
void p_form_list();
void p_special_prologues();
int include_file();
/* returns 1 if it can load it 0 if not */
int load_pk_font();
char *find_pk_file();
integer emit_pk_font();
void free_pk_font();
void do_transform();
char *strsave();
int put_dim();
int tpic_special();
#endif