1 8a3b2ceb 2004-04-24 devnull #include <u.h>
 2 8a3b2ceb 2004-04-24 devnull #include <libc.h>
 3 8a3b2ceb 2004-04-24 devnull #include <bio.h>
 4 8a3b2ceb 2004-04-24 devnull #include <draw.h>
 5 8a3b2ceb 2004-04-24 devnull #include "sky.h"
 6 8a3b2ceb 2004-04-24 devnull 
 7 8a3b2ceb 2004-04-24 devnull void
 8 8a3b2ceb 2004-04-24 devnull displaypic(Picture *pic)
 9 8a3b2ceb 2004-04-24 devnull {
10 8a3b2ceb 2004-04-24 devnull 	int p[2];
11 8a3b2ceb 2004-04-24 devnull 	int i, n;
12 8a3b2ceb 2004-04-24 devnull 	uchar *a;
13 8a3b2ceb 2004-04-24 devnull 
14 fa325e9b 2020-01-10 cross 
15 8a3b2ceb 2004-04-24 devnull 	if(pipe(p) < 0){
16 8a3b2ceb 2004-04-24 devnull 		fprint(2, "pipe failed: %r\n");
17 8a3b2ceb 2004-04-24 devnull 		return;
18 8a3b2ceb 2004-04-24 devnull 	}
19 8a3b2ceb 2004-04-24 devnull 	switch(rfork(RFPROC|RFFDG)){
20 8a3b2ceb 2004-04-24 devnull 	case -1:
21 8a3b2ceb 2004-04-24 devnull 		fprint(2, "fork failed: %r\n");
22 8a3b2ceb 2004-04-24 devnull 		return;
23 8a3b2ceb 2004-04-24 devnull 
24 8a3b2ceb 2004-04-24 devnull 	case 0:
25 8a3b2ceb 2004-04-24 devnull 		close(p[1]);
26 8a3b2ceb 2004-04-24 devnull 		dup(p[0], 0);
27 8a3b2ceb 2004-04-24 devnull 		close(p[0]);
28 cbeb0b26 2006-04-01 devnull 	/*	execl("/bin/page", "page", "-w", 0); */
29 122fda59 2009-04-30 rsc 		execlp("img", "img", nil);
30 8a3b2ceb 2004-04-24 devnull 		fprint(2, "exec failed: %r\n");
31 8a3b2ceb 2004-04-24 devnull 		exits("exec");
32 8a3b2ceb 2004-04-24 devnull 
33 8a3b2ceb 2004-04-24 devnull 	default:
34 8a3b2ceb 2004-04-24 devnull 		close(p[0]);
35 8a3b2ceb 2004-04-24 devnull 		fprint(p[1], "%11s %11d %11d %11d %11d ",
36 8a3b2ceb 2004-04-24 devnull 			"k8", pic->minx, pic->miny, pic->maxx, pic->maxy);
37 8a3b2ceb 2004-04-24 devnull 		n = (pic->maxx-pic->minx)*(pic->maxy-pic->miny);
38 8a3b2ceb 2004-04-24 devnull 		/* release the memory as we hand it off; this could be a big piece of data */
39 8a3b2ceb 2004-04-24 devnull 		a = pic->data;
40 8a3b2ceb 2004-04-24 devnull 		while(n > 0){
41 db56dbf3 2009-05-26 rsc 			i = 8192 - (((uintptr)a)&8191);
42 8a3b2ceb 2004-04-24 devnull 			if(i > n)
43 8a3b2ceb 2004-04-24 devnull 				i = n;
44 8a3b2ceb 2004-04-24 devnull 			if(write(p[1], a, i)!=i)
45 8a3b2ceb 2004-04-24 devnull 				fprint(2, "write error: %r\n");
46 122fda59 2009-04-30 rsc 		/*	if(i == 8192)	/* page aligned */
47 cbeb0b26 2006-04-01 devnull 		/*		segfree(a, i); */
48 8a3b2ceb 2004-04-24 devnull 			n -= i;
49 8a3b2ceb 2004-04-24 devnull 			a += i;
50 8a3b2ceb 2004-04-24 devnull 		}
51 8a3b2ceb 2004-04-24 devnull 		free(pic->data);
52 8a3b2ceb 2004-04-24 devnull 		free(pic);
53 8a3b2ceb 2004-04-24 devnull 		close(p[1]);
54 8a3b2ceb 2004-04-24 devnull 		break;
55 8a3b2ceb 2004-04-24 devnull 	}
56 8a3b2ceb 2004-04-24 devnull }
57 8a3b2ceb 2004-04-24 devnull 
58 8a3b2ceb 2004-04-24 devnull void
59 8a3b2ceb 2004-04-24 devnull displayimage(Image *im)
60 8a3b2ceb 2004-04-24 devnull {
61 fa325e9b 2020-01-10 cross 	int p[2];
62 8a3b2ceb 2004-04-24 devnull 
63 8a3b2ceb 2004-04-24 devnull 	if(pipe(p) < 0){
64 8a3b2ceb 2004-04-24 devnull 		fprint(2, "pipe failed: %r\n");
65 8a3b2ceb 2004-04-24 devnull 		return;
66 8a3b2ceb 2004-04-24 devnull 	}
67 8a3b2ceb 2004-04-24 devnull 	switch(rfork(RFPROC|RFFDG)){
68 8a3b2ceb 2004-04-24 devnull 	case -1:
69 8a3b2ceb 2004-04-24 devnull 		fprint(2, "fork failed: %r\n");
70 8a3b2ceb 2004-04-24 devnull 		return;
71 8a3b2ceb 2004-04-24 devnull 
72 8a3b2ceb 2004-04-24 devnull 	case 0:
73 8a3b2ceb 2004-04-24 devnull 		close(p[1]);
74 8a3b2ceb 2004-04-24 devnull 		dup(p[0], 0);
75 8a3b2ceb 2004-04-24 devnull 		close(p[0]);
76 122fda59 2009-04-30 rsc 		execlp("img", "img", nil);
77 cbeb0b26 2006-04-01 devnull 	/*	execl("/bin/page", "page", "-w", 0); */
78 8a3b2ceb 2004-04-24 devnull 		fprint(2, "exec failed: %r\n");
79 8a3b2ceb 2004-04-24 devnull 		exits("exec");
80 8a3b2ceb 2004-04-24 devnull 
81 8a3b2ceb 2004-04-24 devnull 	default:
82 8a3b2ceb 2004-04-24 devnull 		close(p[0]);
83 8a3b2ceb 2004-04-24 devnull 		writeimage(p[1], im, 0);
84 8a3b2ceb 2004-04-24 devnull 		freeimage(im);
85 8a3b2ceb 2004-04-24 devnull 		close(p[1]);
86 8a3b2ceb 2004-04-24 devnull 		break;
87 8a3b2ceb 2004-04-24 devnull 	}
88 8a3b2ceb 2004-04-24 devnull }