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/* Copyright (c) 1995 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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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* Generate sections of a picture. |
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*/ |
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#include <stdio.h> |
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#include <signal.h> |
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#include <sys/types.h> |
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|
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#include "platform.h" |
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#ifndef NON_POSIX /* XXX need abstraction for process management */ |
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#include <sys/wait.h> |
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#endif |
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|
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#include "standard.h" |
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#include "color.h" |
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#include "view.h" |
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#include "rtprocess.h" |
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#ifndef F_SETLKW |
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|
25 |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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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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#else |
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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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#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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#define guard_io() |
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#define unguard() |
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#endif |
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|
58 |
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extern char *strerror(); |
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|
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/* rpict command */ |
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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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unsigned timelim = 0; |
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int rvrlim = -1; |
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|
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extern long lseek(), ftell(); |
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|
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int gotalrm = 0; |
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int onalrm() { gotalrm++; } |
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void onalrm(int i) { gotalrm++; } |
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|
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static void dolock(int fd, int ltyp); |
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static void init(int ac, char **av); |
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static int nextpiece(int *xp, int *yp); |
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static int rvrpiece(int *xp, int *yp); |
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static int cleanup(int rstat); |
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static void rpiece(void); |
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static int putpiece(int xpos, int ypos); |
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static void filerr(char *t); |
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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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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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register int i, rval; |
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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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while ((rval = expandarg(&argc, &argv, i)) > 0) |
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; |
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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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case 'p': /* pixel aspect ratio? */ |
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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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pixaspect = atof(argv[++i]); |
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continue; |
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case 'T': /* time limit (hours) */ |
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if (argv[i][2]) |
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} |
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dolock(fd, ltyp) /* lock or unlock a file */ |
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int fd; |
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int ltyp; |
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static void |
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dolock( /* lock or unlock a file */ |
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int fd, |
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int ltyp |
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) |
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{ |
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static struct flock fls; /* static so initialized to zeroes */ |
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extern char *sys_errlist[]; |
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fls.l_type = ltyp; |
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if (fcntl(fd, F_SETLKW, &fls) < 0) { |
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fprintf(stderr, "%s: cannot lock/unlock file: %s\n", |
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progname, sys_errlist[errno]); |
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progname, strerror(errno)); |
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exit(1); |
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} |
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} |
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init(ac, av) /* set up output file and start rpict */ |
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int ac; |
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char **av; |
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static void |
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init( /* set up output file and start rpict */ |
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int ac, |
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char **av |
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) |
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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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int hr, vr; |
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SUBPROC rpd; /* since we don't close_process(), this can be local */ |
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/* set up view */ |
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if ((err = setview(&ourview)) != NULL) { |
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fprintf(stderr, "%s: %s\n", progname, err); |
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/* compute piece size */ |
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hres /= hmult; |
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vres /= vmult; |
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if (hres <= 0 || vres <= 0) { |
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fprintf(stderr, "%s: illegal resolution/subdivision\n", progname); |
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exit(1); |
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} |
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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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goto filerr; |
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dolock(outfd, F_UNLCK); |
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/* start rpict process */ |
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if (open_process(rpd, rpargv) <= 0) { |
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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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exit(1); |
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} |
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if ((fromrp = fdopen(rpd[0], "r")) == NULL || |
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(torp = fdopen(rpd[1], "w")) == NULL) { |
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if ((fromrp = fdopen(rpd.r, "r")) == NULL || |
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(torp = fdopen(rpd.w, "w")) == NULL) { |
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fprintf(stderr, "%s: cannot open stream to %s\n", |
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progname, rpargv[0]); |
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exit(1); |
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} |
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int |
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nextpiece(xp, yp) /* get next piece assignment */ |
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int *xp, *yp; |
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static int |
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nextpiece( /* get next piece assignment */ |
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int *xp, |
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int *yp |
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) |
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{ |
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if (gotalrm) /* someone wants us to quit */ |
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return(0); |
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} |
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int |
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rvrpiece(xp, yp) /* check for recoverable pieces */ |
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register int *xp, *yp; |
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static int |
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rvrpiece( /* check for recoverable pieces */ |
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register int *xp, |
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register int *yp |
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) |
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{ |
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static char *pdone = NULL; /* which pieces are done */ |
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static long readpos = -1; /* how far we've read */ |
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} |
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int |
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cleanup(rstat) /* close rpict process and clean up */ |
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int rstat; |
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static int |
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cleanup( /* close rpict process and clean up */ |
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int rstat |
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) |
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{ |
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int status; |
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} |
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rpiece() /* render picture piece by piece */ |
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static void |
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rpiece(void) /* render picture piece by piece */ |
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{ |
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VIEW pview; |
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int xorg, yorg; |
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/* compute view parameters */ |
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< |
copystruct(&pview, &ourview); |
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> |
pview = ourview; |
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switch (ourview.type) { |
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case VT_PER: |
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< |
pview.horiz = 2.*180./PI*atan( |
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< |
tan(PI/180./2.*ourview.horiz)/hmult ); |
443 |
< |
pview.vert = 2.*180./PI*atan( |
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< |
tan(PI/180./2.*ourview.vert)/vmult ); |
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> |
pview.horiz = (2.*180./PI)*atan( |
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> |
tan((PI/180./2.)*ourview.horiz)/hmult ); |
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> |
pview.vert = (2.*180./PI)*atan( |
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tan((PI/180./2.)*ourview.vert)/vmult ); |
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break; |
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case VT_PAR: |
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case VT_ANG: |
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break; |
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case VT_CYL: |
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pview.horiz = ourview.horiz / hmult; |
453 |
< |
pview.vert = 2.*180./PI*atan( |
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< |
tan(PI/180./2.*ourview.vert)/vmult ); |
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> |
pview.vert = (2.*180./PI)*atan( |
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> |
tan((PI/180./2.)*ourview.vert)/vmult ); |
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break; |
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case VT_HEM: |
457 |
< |
pview.horiz = 2.*180./PI*asin( |
458 |
< |
sin(PI/180./2.*ourview.horiz)/hmult ); |
459 |
< |
pview.vert = 2.*180./PI*asin( |
460 |
< |
sin(PI/180./2.*ourview.vert)/vmult ); |
457 |
> |
pview.horiz = (2.*180./PI)*asin( |
458 |
> |
sin((PI/180./2.)*ourview.horiz)/hmult ); |
459 |
> |
pview.vert = (2.*180./PI)*asin( |
460 |
> |
sin((PI/180./2.)*ourview.vert)/vmult ); |
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break; |
462 |
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case VT_PLS: |
463 |
+ |
pview.horiz = sin((PI/180./2.)*ourview.horiz) / |
464 |
+ |
(1.0 + cos((PI/180./2.)*ourview.horiz)) / hmult; |
465 |
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pview.horiz *= pview.horiz; |
466 |
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pview.horiz = (2.*180./PI)*acos((1. - pview.horiz) / |
467 |
+ |
(1. + pview.horiz)); |
468 |
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pview.vert = sin((PI/180./2.)*ourview.vert) / |
469 |
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(1.0 + cos((PI/180./2.)*ourview.vert)) / vmult; |
470 |
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pview.vert *= pview.vert; |
471 |
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pview.vert = (2.*180./PI)*acos((1. - pview.vert) / |
472 |
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(1. + pview.vert)); |
473 |
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break; |
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default: |
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fprintf(stderr, "%s: unknown view type '-vt%c'\n", |
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progname, ourview.type); |
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} |
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/* render each piece */ |
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while (nextpiece(&xorg, &yorg)) { |
481 |
< |
pview.hoff = ourview.hoff + xorg - 0.5*(hmult-1); |
482 |
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pview.voff = ourview.voff + yorg - 0.5*(vmult-1); |
481 |
> |
pview.hoff = ourview.hoff*hmult + xorg - 0.5*(hmult-1); |
482 |
> |
pview.voff = ourview.voff*vmult + yorg - 0.5*(vmult-1); |
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fputs(VIEWSTR, torp); |
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fprintview(&pview, torp); |
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putc('\n', torp); |
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} |
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int |
493 |
< |
putpiece(xpos, ypos) /* get next piece from rpict */ |
494 |
< |
int xpos, ypos; |
492 |
> |
static int |
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putpiece( /* get next piece from rpict */ |
494 |
> |
int xpos, |
495 |
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int ypos |
496 |
> |
) |
497 |
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{ |
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struct flock fls; |
499 |
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int pid, status; |
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int hr, vr; |
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register int y; |
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/* check bounds */ |
503 |
< |
if (xpos < 0 | ypos < 0 | xpos >= hmult | ypos >= vmult) { |
503 |
> |
if ((xpos < 0) | (ypos < 0) | (xpos >= hmult) | (ypos >= vmult)) { |
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fprintf(stderr, "%s: requested piece (%d,%d) out of range\n", |
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progname, xpos, ypos); |
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exit(cleanup(1)); |
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/* check header from rpict */ |
509 |
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guard_io(); |
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getheader(fromrp, NULL, NULL); |
511 |
< |
if (!fscnresolu(&hr, &vr, fromrp) || hr != hres | vr != vres) { |
511 |
> |
if (!fscnresolu(&hr, &vr, fromrp) || (hr != hres) | (vr != vres)) { |
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fprintf(stderr, "%s: resolution mismatch from %s\n", |
513 |
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progname, rpargv[0]); |
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exit(cleanup(1)); |
553 |
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filerr("lock"); |
554 |
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#endif |
555 |
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/* write new piece to file */ |
556 |
< |
if (lseek(outfd, fls.l_start, 0) == -1) |
556 |
> |
if (lseek(outfd, (off_t)fls.l_start, SEEK_SET) < 0) |
557 |
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filerr("seek"); |
558 |
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if (hmult == 1) { |
559 |
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if (writebuf(outfd, (char *)pbuf, |
565 |
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hr*sizeof(COLR)) != hr*sizeof(COLR)) |
566 |
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filerr("write"); |
567 |
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if (y < vr-1 && lseek(outfd, |
568 |
< |
(long)(hmult-1)*hr*sizeof(COLR), |
569 |
< |
1) == -1) |
568 |
> |
(off_t)(hmult-1)*hr*sizeof(COLR), |
569 |
> |
SEEK_CUR) < 0) |
570 |
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filerr("seek"); |
571 |
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} |
572 |
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#if NFS |
592 |
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} |
593 |
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|
594 |
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|
595 |
< |
filerr(t) /* report file error and exit */ |
596 |
< |
char *t; |
595 |
> |
static void |
596 |
> |
filerr( /* report file error and exit */ |
597 |
> |
char *t |
598 |
> |
) |
599 |
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{ |
551 |
– |
extern char *sys_errlist[]; |
552 |
– |
|
600 |
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fprintf(stderr, "%s: %s error on file \"%s\": %s\n", |
601 |
< |
progname, t, outfile, sys_errlist[errno]); |
601 |
> |
progname, t, outfile, strerror(errno)); |
602 |
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_exit(1); |
603 |
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} |
604 |
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