1 #define MAXSPECHARS 	512
2 #define MAXTOKENSIZE	128
3 #define CHARLIB	"#9/troff/font/devutf/charlib"
4 
5 /* devname clashes with libc on *BSD */
6 #define devname		troff_devname
7 
8 extern int debug;
9 extern int fontsize;
10 extern int fontpos;
11 extern int resolution;	/* device resolution, goobies per inch */
12 extern int minx;		/* minimum x motion */
13 extern int miny;		/* minimum y motion */
14 extern char devname[];
15 extern int devres;
16 extern int unitwidth;
17 extern char *printdesclang;
18 extern char *encoding;
19 extern int fontmnt;
20 extern char **fontmtab;
21 
22 extern int curtrofffontid;	/* index into trofftab of current troff font */
23 extern int troffontcnt;
24 
25 extern BOOLEAN drawflag;
26 
27 struct specname {
28 	char *str;
29 	struct specname *next;
30 };
31 
32 /* character entries for special characters (those pointed
33  * to by multiple character names, e.g. \(mu for multiply.
34  */
35 struct charent {
36 	char postfontid;	/* index into pfnamtab */
37 	char postcharid;	/* e.g., 0x00 */
38 	short troffcharwidth;
39 	char *name;
40 	struct charent *next;
41 };
42 
43 extern struct charent **build_char_list;
44 extern int build_char_cnt;
45 
46 struct pfnament {
47 	char *str;
48 	int used;
49 };
50 
51 /* these entries map troff character code ranges to
52  * postscript font and character ranges.
53  */
54 struct psfent {
55 	int start;
56 	int end;
57 	int offset;
58 	int psftid;
59 };
60 
61 struct troffont {
62 	char *trfontid;		/* the common troff font name e.g., `R' */
63 	BOOLEAN special;	/* flag says this is a special font. */
64 	int spacewidth;
65 	int psfmapsize;
66 	struct psfent *psfmap;
67 	struct charent *charent[NUMOFONTS][FONTSIZE];
68 };
69 
70 extern struct troffont *troffontab;
71 extern struct charent spechars[];
72 
73 /** prototypes **/
74 void initialize(void);
75 void mountfont(int, char*);
76 int findtfn(char *, int);
77 void runeout(Rune);
78 void specialout(char *);
79 long nametorune(char *);
80 void conv(Biobuf *);
81 void hgoto(int);
82 void vgoto(int);
83 void hmot(int);
84 void vmot(int);
85 void draw(Biobuf *);
86 void devcntl(Biobuf *);
87 void notavail(char *);
88 void error(int, char *, ...);
89 void loadfont(int, char *);
90 void flushtext(void);
91 void t_charht(int);
92 void t_slant(int);
93 void startstring(void);
94 void endstring(void);
95 BOOLEAN pageon(void);
96 void setpsfont(int, int);
97 void settrfont(void);
98 int hash(char *, int);
99 BOOLEAN readDESC(void);
100 void finish(void);
101 void ps_include(Biobuf *, Biobuf *, int, int,
102 	int, int, double, double, double, double,
103 	double, double, double);
104 void picture(Biobuf *, char *);
105 void beginpath(char*, int);
106 void drawpath(char*, int);