1 #undef pipe
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 typedef struct Graphic	Graphic;
18 
19 struct Graphic {
20 	int type;
21 	int fd;
22 	char *name;
23 };
24 
25 enum {
26 	Ipic,
27 	Itiff,
28 	Ijpeg,
29 	Igif,
30 	Iinferno,
31 	Ifax,
32 	Icvt2pic,
33 	Iplan9bm,
34 	Iccittg4,
35 	Ippm,
36 	Ipng,
37 	Iyuv,
38 	Ibmp,
39 };
40 
41 
42 void *emalloc(int);
43 void *erealloc(void*, int);
44 char *estrdup(char*);
45 int spawncmd(char*, char **, int, int, int);
46 
47 int spooltodisk(uchar*, int, char**);
48 int stdinpipe(uchar*, int);
49 Document *initps(Biobuf*, int, char**, uchar*, int);
50 Document *initpdf(Biobuf*, int, char**, uchar*, int);
51 Document *initgfx(Biobuf*, int, char**, uchar*, int);
52 Document *inittroff(Biobuf*, int, char**, uchar*, int);
53 Document *initdvi(Biobuf*, int, char**, uchar*, int);
54 Document *initmsdoc(Biobuf*, int, char**, uchar*, int);
55 
56 void viewer(Document*);
57 extern Cursor reading;
58 extern int chatty;
59 extern int goodps;
60 extern int textbits, gfxbits;
61 extern int reverse;
62 extern int clean;
63 extern int ppi;
64 extern int teegs;
65 extern int truetoboundingbox;
66 extern int wctlfd;
67 extern int resizing;
68 extern int mknewwindow;
69 
70 void rot180(Image*);
71 Image *rot90(Image*);
72 Image *rot270(Image*);
73 Image *resample(Image*, Image*);
74 
75 /* ghostscript interface shared by ps, pdf */
76 typedef struct GSInfo	GSInfo;
77 struct GSInfo {
78 	Graphic g;
79 	int gsfd;
80 	Biobuf gsrd;
81 	int gspid;
82 	int ppi;
83 };
84 void	waitgs(GSInfo*);
85 int	gscmd(GSInfo*, char*, ...);
86 int	spawngs(GSInfo*, char*);
87 void	setdim(GSInfo*, Rectangle, int, int);
88 int	spawnwriter(GSInfo*, Biobuf*);
89 Rectangle	screenrect(void);
90 void	newwin(void);
91 void	zerox(void);
92 Rectangle winrect(void);
93 void	resize(int, int);
94 int	max(int, int);
95 int	min(int, int);
96 void	wexits(char*);
97 Image*	xallocimage(Display*, Rectangle, ulong, int, ulong);
98 int	bell(void*, char*);
99 int	opentemp(char *template);
100 Image*	convert(Graphic *g);
101 
102 extern int stdinfd;
103 extern int truecolor;
104 
105 /* BUG BUG BUG BUG BUG: cannot use new draw operations in drawterm,
106  * or in vncs, and there is a bug in the kernel for copying images
107  * from cpu memory -> video memory (memmove is not being used).
108  * until all that is settled, ignore the draw operators.
109  */
110 #define drawop(a,b,c,d,e,f) draw(a,b,c,d,e)
111 #define gendrawop(a,b,c,d,e,f,g) gendraw(a,b,c,d,e,f)