1 #include <cursor.h>
2 
3 typedef struct Document Document;
4 
5 struct Document {
6 	char *docname;
7 	int npage;
8 	int fwdonly;
9 	char* (*pagename)(Document*, int);
10 	Image* (*drawpage)(Document*, int);
11 	int	(*addpage)(Document*, char*);
12 	int	(*rmpage)(Document*, int);
13 	Biobuf *b;
14 	void *extra;
15 };
16 
17 void *emalloc(int);
18 void *erealloc(void*, int);
19 char *estrdup(char*);
20 int spawncmd(char*, char **, int, int, int);
21 
22 int spooltodisk(uchar*, int, char**);
23 int stdinpipe(uchar*, int);
24 Document *initps(Biobuf*, int, char**, uchar*, int);
25 Document *initpdf(Biobuf*, int, char**, uchar*, int);
26 Document *initgfx(Biobuf*, int, char**, uchar*, int);
27 Document *inittroff(Biobuf*, int, char**, uchar*, int);
28 Document *initdvi(Biobuf*, int, char**, uchar*, int);
29 Document *initmsdoc(Biobuf*, int, char**, uchar*, int);
30 
31 void viewer(Document*);
32 extern Cursor reading;
33 extern int chatty;
34 extern int goodps;
35 extern int textbits, gfxbits;
36 extern int reverse;
37 extern int clean;
38 extern int ppi;
39 extern int teegs;
40 extern int truetoboundingbox;
41 extern int wctlfd;
42 extern int resizing;
43 extern int mknewwindow;
44 
45 void rot180(Image*);
46 Image *rot90(Image*);
47 Image *resample(Image*, Image*);
48 
49 /* ghostscript interface shared by ps, pdf */
50 typedef struct GSInfo	GSInfo;
51 struct GSInfo {
52 	int gsfd;
53 	Biobuf gsrd;
54 	int gspid;
55 	int gsdfd;
56 	int ppi;
57 };
58 void	waitgs(GSInfo*);
59 int	gscmd(GSInfo*, char*, ...);
60 int	spawngs(GSInfo*);
61 void	setdim(GSInfo*, Rectangle, int, int);
62 int	spawnwriter(GSInfo*, Biobuf*);
63 Rectangle	screenrect(void);
64 void	newwin(void);
65 void	zerox(void);
66 Rectangle winrect(void);
67 void	resize(int, int);
68 int	max(int, int);
69 int	min(int, int);
70 void	wexits(char*);
71 Image*	xallocimage(Display*, Rectangle, ulong, int, ulong);
72 int	bell(void*, char*);
73 int	opentemp(char *template);
74 
75 extern int stdinfd;
76 extern int truecolor;
77 
78 /* BUG BUG BUG BUG BUG: cannot use new draw operations in drawterm,
79  * or in vncs, and there is a bug in the kernel for copying images
80  * from cpu memory -> video memory (memmove is not being used).
81  * until all that is settled, ignore the draw operators.
82  */
83 #define drawop(a,b,c,d,e,f) draw(a,b,c,d,e)
84 #define gendrawop(a,b,c,d,e,f,g) gendraw(a,b,c,d,e,f)