1 3f8c70e9 2004-04-24 devnull #include <u.h>
 2 3f8c70e9 2004-04-24 devnull #include <libc.h>
 3 3f8c70e9 2004-04-24 devnull #include <draw.h>
 4 3f8c70e9 2004-04-24 devnull #include <event.h>
 5 3f8c70e9 2004-04-24 devnull 
 6 3f8c70e9 2004-04-24 devnull void
 7 3f8c70e9 2004-04-24 devnull usage(void)
 8 3f8c70e9 2004-04-24 devnull {
 9 be36ff68 2004-04-29 devnull 	fprint(2, "usage: img [-W winsize] [file]\n");
10 3f8c70e9 2004-04-24 devnull 	exits("usage");
11 3f8c70e9 2004-04-24 devnull }
12 3f8c70e9 2004-04-24 devnull 
13 3f8c70e9 2004-04-24 devnull Image *image;
14 3f8c70e9 2004-04-24 devnull 
15 3f8c70e9 2004-04-24 devnull void
16 3f8c70e9 2004-04-24 devnull eresized(int new)
17 3f8c70e9 2004-04-24 devnull {
18 3f8c70e9 2004-04-24 devnull 	if(new && getwindow(display, Refnone) < 0)
19 3f8c70e9 2004-04-24 devnull 		sysfatal("can't reattach to window: %r");
20 3f8c70e9 2004-04-24 devnull 
21 3f8c70e9 2004-04-24 devnull 	draw(screen, screen->r, display->white, nil, ZP);
22 3f8c70e9 2004-04-24 devnull 	drawop(screen, screen->r, image, nil, image->r.min, S);
23 190f5e7c 2006-03-27 devnull 	flushimage(display, 1);
24 3f8c70e9 2004-04-24 devnull }
25 3f8c70e9 2004-04-24 devnull 
26 3f8c70e9 2004-04-24 devnull void
27 3f8c70e9 2004-04-24 devnull main(int argc, char **argv)
28 3f8c70e9 2004-04-24 devnull {
29 3f8c70e9 2004-04-24 devnull 	int fd;
30 190f5e7c 2006-03-27 devnull 	char *label;
31 3f8c70e9 2004-04-24 devnull 	Event e;
32 3f8c70e9 2004-04-24 devnull 
33 3f8c70e9 2004-04-24 devnull 	ARGBEGIN{
34 be36ff68 2004-04-29 devnull 	case 'W':
35 be36ff68 2004-04-29 devnull 		winsize = EARGF(usage());
36 be36ff68 2004-04-29 devnull 		break;
37 3f8c70e9 2004-04-24 devnull 	default:
38 3f8c70e9 2004-04-24 devnull 		usage();
39 3f8c70e9 2004-04-24 devnull 	}ARGEND
40 3f8c70e9 2004-04-24 devnull 
41 3f8c70e9 2004-04-24 devnull 	if(argc > 1)
42 3f8c70e9 2004-04-24 devnull 		usage();
43 3f8c70e9 2004-04-24 devnull 
44 3f8c70e9 2004-04-24 devnull 	if(argc == 1){
45 3f8c70e9 2004-04-24 devnull 		if((fd = open(argv[0], OREAD)) < 0)
46 3f8c70e9 2004-04-24 devnull 			sysfatal("open %s: %r");
47 190f5e7c 2006-03-27 devnull 		label = argv[0];
48 190f5e7c 2006-03-27 devnull 	}else{
49 3f8c70e9 2004-04-24 devnull 		fd = 0;
50 190f5e7c 2006-03-27 devnull 		label = nil;
51 190f5e7c 2006-03-27 devnull 	}
52 3f8c70e9 2004-04-24 devnull 
53 190f5e7c 2006-03-27 devnull 	if(initdraw(0, nil, label) < 0)
54 3f8c70e9 2004-04-24 devnull 		sysfatal("initdraw: %r");
55 3f8c70e9 2004-04-24 devnull 
56 3f8c70e9 2004-04-24 devnull 	if((image=readimage(display, fd, 0)) == nil)
57 3f8c70e9 2004-04-24 devnull 		sysfatal("readimage: %r");
58 3f8c70e9 2004-04-24 devnull 
59 190f5e7c 2006-03-27 devnull 	if(winsize == nil)
60 190f5e7c 2006-03-27 devnull 		drawresizewindow(Rect(0,0,Dx(image->r),Dy(image->r)));
61 be36ff68 2004-04-29 devnull 
62 3f8c70e9 2004-04-24 devnull 	einit(Emouse|Ekeyboard);
63 3f8c70e9 2004-04-24 devnull 	eresized(0);
64 3f8c70e9 2004-04-24 devnull 	for(;;){
65 3f8c70e9 2004-04-24 devnull 		switch(event(&e)){
66 3f8c70e9 2004-04-24 devnull 		case Ekeyboard:
67 3f8c70e9 2004-04-24 devnull 			if(e.kbdc == 'q' || e.kbdc == 0x7F)
68 3f8c70e9 2004-04-24 devnull 				exits(nil);
69 3f8c70e9 2004-04-24 devnull 			break;
70 3f8c70e9 2004-04-24 devnull 		case Emouse:
71 3f8c70e9 2004-04-24 devnull 			break;
72 3f8c70e9 2004-04-24 devnull 		}
73 3f8c70e9 2004-04-24 devnull 	}
74 3f8c70e9 2004-04-24 devnull }