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/* Copyright (c) 1992 Regents of the University of California */ |
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/* Copyright (c) 1993 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#include "standard.h" |
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#include <fcntl.h> |
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|
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#ifndef F_SETLKW |
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|
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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fprintf(stderr, "%s: no NFS lock manager on this machine\n", argv[0]); |
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exit(1); |
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} |
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|
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#else |
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|
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#include <signal.h> |
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#include "color.h" |
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#include "view.h" |
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#include "resolu.h" |
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|
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#ifndef NFS |
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#define NFS 1 |
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#endif |
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/* set the following to 0 to forgo forking */ |
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#ifndef MAXFORK |
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#if NFS |
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#define MAXFORK 3 /* allotment of duped processes */ |
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#else |
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#define MAXFORK 0 |
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#endif |
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|
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#endif |
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/* protection from SYSV signals(!) */ |
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#if defined(sgi) || defined(hpux) |
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#define guard_io() sighold(SIGALRM) |
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#define unguard() sigrelse(SIGALRM) |
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#endif |
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#ifndef guard_io |
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#define guard_io() 0 |
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#define unguard() 0 |
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#endif |
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/* rpict command */ |
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char *rpargv[128] = {"rpict", "-S", "1", "-x", "512", "-y", "512", "-pa", "1"}; |
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int rpargc = 9; |
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char *rpargv[128] = {"rpict", "-S", "1"}; |
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int rpargc = 3; |
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int rpd[3]; |
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FILE *torp, *fromrp; |
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COLR *pbuf; |
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/* our view parameters */ |
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VIEW ourview = STDVIEW; |
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double pixaspect = 1.0; |
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int hres = 512, vres = 512, hmult = 2, vmult = 2; |
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int hres = 1024, vres = 1024, hmult = 4, vmult = 4; |
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/* output file */ |
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char *outfile = NULL; |
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int outfd; |
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|
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progname = argv[0]; |
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for (i = 1; i < argc; i++) { |
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/* expand arguments */ |
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while (rval = expandarg(&argc, &argv, i)) |
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if (rval < 0) { |
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fprintf(stderr, "%s: cannot expand '%s'", |
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argv[0], argv[i]); |
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exit(1); |
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} |
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if (argv[i][0] == '-') |
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switch (argv[i][1]) { |
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case 'v': |
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} |
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break; |
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case 'p': /* pixel aspect ratio? */ |
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if (argv[i][2] == 'a' && !argv[i][3]) |
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pixaspect = atof(argv[i+1]); |
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break; |
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case 'x': /* piece x resolution */ |
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if (!argv[i][2]) |
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hres = atoi(argv[i+1]); |
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break; |
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case 'y': /* piece y resolution */ |
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if (!argv[i][2]) |
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vres = atoi(argv[i+1]); |
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break; |
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if (argv[i][2] != 'a' || argv[i][3]) |
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break; |
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pixaspect = atof(argv[i+1]); |
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continue; |
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case 'x': /* overall x resolution */ |
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if (argv[i][2]) |
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break; |
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hres = atoi(argv[++i]); |
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continue; |
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case 'y': /* overall y resolution */ |
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if (argv[i][2]) |
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break; |
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vres = atoi(argv[++i]); |
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continue; |
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case 'X': /* horizontal multiplier */ |
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if (argv[i][2]) |
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break; |
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case 'F': /* syncronization file */ |
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if (argv[i][2]) |
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break; |
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if ((syncfd = open(argv[++i], O_RDWR)) < 0) { |
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if ((syncfd = open(argv[++i], |
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O_RDWR|O_CREAT, 0666)) < 0) { |
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fprintf(stderr, "%s: cannot open\n", |
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argv[i]); |
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exit(1); |
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} |
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continue; |
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case 'z': /* z-file ist verbotten */ |
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fprintf(stderr, "%s: -z option not allowed\n", |
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argv[0]); |
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exit(1); |
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case 'o': /* output file */ |
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if (argv[i][2]) |
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break; |
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outfile = argv[++i]; |
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continue; |
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} |
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} else if (i >= argc-1) |
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break; |
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rpargv[rpargc++] = argv[i]; |
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} |
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rpargv[rpargc] = NULL; |
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if (i >= argc) { |
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fprintf(stderr, "%s: missing octree argument\n", argv[0]); |
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exit(1); |
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} |
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if (outfile == NULL) { |
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fprintf(stderr, "%s: missing output file\n", argv[0]); |
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exit(1); |
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} |
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init(argc, argv); |
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rpiece(); |
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rval = cleanup(0); |
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exit(rval); |
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exit(cleanup(0)); |
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} |
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int ac; |
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char **av; |
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{ |
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static char hrbuf[16], vrbuf[16]; |
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extern char VersionID[]; |
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char *err; |
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FILE *fp; |
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buf[read(syncfd, buf, sizeof(buf)-1)] = '\0'; |
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sscanf(buf, "%d %d", &hmult, &vmult); |
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} |
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/* compute piece size */ |
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hres /= hmult; |
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vres /= vmult; |
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normaspect(viewaspect(&ourview)*hmult/vmult, &pixaspect, &hres, &vres); |
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sprintf(hrbuf, "%d", hres); |
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rpargv[rpargc++] = "-x"; rpargv[rpargc++] = hrbuf; |
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sprintf(vrbuf, "%d", vres); |
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rpargv[rpargc++] = "-y"; rpargv[rpargc++] = vrbuf; |
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rpargv[rpargc++] = "-pa"; rpargv[rpargc++] = "0"; |
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rpargv[rpargc++] = av[ac-1]; |
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rpargv[rpargc] = NULL; |
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/* open output file */ |
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if ((outfd = open(outfile, O_WRONLY|O_CREAT|O_EXCL, 0666)) >= 0) { |
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if ((fp = fdopen(dup(outfd), "w")) == NULL) |
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} else if ((outfd = open(outfile, O_RDWR)) >= 0) { |
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if ((fp = fdopen(dup(outfd), "r+")) == NULL) |
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goto filerr; |
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getheader(fp, NULL); /* skip header */ |
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if (fscnresolu(&hr, &vr, fp) < 0 || /* check resolution */ |
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getheader(fp, NULL, NULL); /* skip header */ |
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if (!fscnresolu(&hr, &vr, fp) || /* check resolution */ |
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hr != hres*hmult || vr != vres*vmult) { |
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fprintf(stderr, "%s: resolution mismatch on file \"%s\"\n", |
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progname, outfile); |
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scanorig = ftell(fp); /* record position of first scanline */ |
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if (fclose(fp) == -1) /* done with stream i/o */ |
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goto filerr; |
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#if NFS |
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sync(); /* flush NFS buffers */ |
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#endif |
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/* start rpict process */ |
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if (open_process(rpd, rpargv) <= 0) { |
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fprintf(stderr, "%s: cannot start %s\n", progname, rpargv[0]); |
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progname, rpargv[0]); |
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exit(1); |
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} |
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if ((pbuf = (COLR *)malloc(hres*vres*sizeof(COLR))) == NULL) { |
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if ((pbuf = (COLR *)bmalloc(hres*vres*sizeof(COLR))) == NULL) { |
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fprintf(stderr, "%s: out of memory\n", progname); |
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exit(1); |
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} |
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nextpiece(xp, yp) /* get next piece assignment */ |
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int *xp, *yp; |
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{ |
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extern char *fgets(); |
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struct flock fls; |
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char buf[64]; |
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return(0); |
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} |
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} |
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sprintf(buf, "%d %d\n%d %d\n", hmult, vmult, *xp, *yp); |
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sprintf(buf, "%4d %4d\n%4d %4d\n", hmult, vmult, *xp, *yp); |
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lseek(syncfd, 0L, 0); /* write new position */ |
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write(syncfd, buf, strlen(buf)); |
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fls.l_type = F_UNLCK; /* release sync file */ |
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{ |
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int status; |
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free((char *)pbuf); |
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bfree((char *)pbuf, hres*vres*sizeof(COLR)); |
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fclose(torp); |
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fclose(fromrp); |
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while (wait(&status) != -1) |
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putc('\n', torp); |
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fflush(torp); /* assigns piece to rpict */ |
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putpiece(xorg, yorg); /* place piece in output */ |
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if (verbose) { /* notify caller */ |
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printf("%d %d done\n", xorg, yorg); |
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fflush(stdout); |
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} |
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} |
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} |
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exit(cleanup(1)); |
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} |
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/* check header from rpict */ |
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getheader(fromrp, NULL); |
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if (fscnresolu(&hr, &vr, fromrp) < 0 || hr != hres | vr != vres) { |
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guard_io(); |
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getheader(fromrp, NULL, NULL); |
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if (!fscnresolu(&hr, &vr, fromrp) || hr != hres | vr != vres) { |
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fprintf(stderr, "%s: resolution mismatch from %s\n", |
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progname, rpargv[0]); |
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exit(cleanup(1)); |
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} |
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unguard(); |
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/* load new piece into buffer */ |
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for (y = 0; y < vr; y++) |
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for (y = 0; y < vr; y++) { |
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guard_io(); |
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if (freadcolrs(pbuf+y*hr, hr, fromrp) < 0) { |
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fprintf(stderr, "%s: read error from %s\n", |
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progname, rpargv[0]); |
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exit(cleanup(1)); |
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} |
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unguard(); |
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} |
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#if MAXFORK |
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/* fork so we don't slow rpict down */ |
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if ((pid = fork()) > 0) { |
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#else |
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pid = -1; /* no forking */ |
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#endif |
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fls.l_start = scanorig + |
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((long)(vmult-1-ypos)*vres*hmult+xpos)*hres*sizeof(COLR); |
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#if NFS |
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fls.l_len = ((long)(vres-1)*hmult+1)*hres*sizeof(COLR); |
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/* lock file section so NFS doesn't mess up */ |
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fls.l_whence = 0; |
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fls.l_len = (long)vres*hmult*hres*sizeof(COLR); |
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fls.l_start = scanorig + (vmult-1-ypos)*fls.l_len; |
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fls.l_type = F_WRLCK; |
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fcntl(outfd, F_SETLKW, &fls); |
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#endif |
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/* write new piece to file */ |
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if (lseek(outfd, fls.l_start+(long)xpos*hres*sizeof(COLR), 0) == -1) |
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if (lseek(outfd, fls.l_start, 0) == -1) |
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goto seekerr; |
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if (hmult == 1) { |
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if (writebuf(outfd, (char *)pbuf, |
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1) == -1) |
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goto seekerr; |
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} |
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if (pid == -1) { /* fork failed */ |
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if (verbose) { /* notify caller */ |
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printf("%d %d done\n", xpos, ypos); |
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fflush(stdout); |
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} |
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if (pid == -1) { /* didn't fork or fork failed */ |
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#if NFS |
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fls.l_type = F_UNLCK; /* release lock */ |
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fcntl(outfd, F_SETLKW, &fls); |
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#endif |
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return(0); |
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} |
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_exit(0); /* else exit child process (releasing lock) */ |
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fprintf(stderr, "%s: write error on file \"%s\"\n", progname, outfile); |
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_exit(1); |
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} |
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|
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#endif |