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* Generate sections of a picture. |
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*/ |
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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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|
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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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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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|
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#else |
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|
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#include <signal.h> |
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|
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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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|
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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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|
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extern char *strerror(); |
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int gotalrm = 0; |
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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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|
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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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fprintf(stderr, "%s: cannot expand '%s'\n", |
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argv[0], argv[i]); |
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exit(1); |
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} |
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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] == 'm') { |
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fprintf(stderr, "%s: -pm unsupported\n", |
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argv[0]); |
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++i; |
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continue; |
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} |
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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]); |
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if (argv[i][2]) |
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break; |
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timelim = atof(argv[++i])*3600. + .5; |
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< |
break; |
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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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} |
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|
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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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|
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} |
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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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/* 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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fputs(VIEWSTR, fp); |
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fprintview(&ourview, fp); |
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putc('\n', fp); |
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+ |
fputnow(fp); |
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if (pixaspect < .99 || pixaspect > 1.01) |
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fputaspect(pixaspect, fp); |
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fputformat(COLRFMT, fp); |
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} |
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|
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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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|
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|
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< |
int |
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< |
rvrpiece(xp, yp) /* check for recoverable pieces */ |
378 |
< |
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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|
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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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} |
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|
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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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pview = ourview; |
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switch (ourview.type) { |
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case VT_PER: |
448 |
< |
pview.horiz = 2.*180./PI*atan( |
449 |
< |
tan(PI/180./2.*ourview.horiz)/hmult ); |
450 |
< |
pview.vert = 2.*180./PI*atan( |
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< |
tan(PI/180./2.*ourview.vert)/vmult ); |
448 |
> |
pview.horiz = (2.*180./PI)*atan( |
449 |
> |
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; |
460 |
< |
pview.vert = 2.*180./PI*atan( |
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< |
tan(PI/180./2.*ourview.vert)/vmult ); |
460 |
> |
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: |
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< |
pview.horiz = 2.*180./PI*asin( |
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< |
sin(PI/180./2.*ourview.horiz)/hmult ); |
466 |
< |
pview.vert = 2.*180./PI*asin( |
467 |
< |
sin(PI/180./2.*ourview.vert)/vmult ); |
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> |
pview.horiz = (2.*180./PI)*asin( |
465 |
> |
sin((PI/180./2.)*ourview.horiz)/hmult ); |
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> |
pview.vert = (2.*180./PI)*asin( |
467 |
> |
sin((PI/180./2.)*ourview.vert)/vmult ); |
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|
break; |
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+ |
case VT_PLS: |
470 |
+ |
pview.horiz = sin((PI/180./2.)*ourview.horiz) / |
471 |
+ |
(1.0 + cos((PI/180./2.)*ourview.horiz)) / hmult; |
472 |
+ |
pview.horiz *= pview.horiz; |
473 |
+ |
pview.horiz = (2.*180./PI)*acos((1. - pview.horiz) / |
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+ |
(1. + pview.horiz)); |
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+ |
pview.vert = sin((PI/180./2.)*ourview.vert) / |
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(1.0 + cos((PI/180./2.)*ourview.vert)) / vmult; |
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+ |
pview.vert *= pview.vert; |
478 |
+ |
pview.vert = (2.*180./PI)*acos((1. - pview.vert) / |
479 |
+ |
(1. + pview.vert)); |
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+ |
break; |
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|
default: |
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|
fprintf(stderr, "%s: unknown view type '-vt%c'\n", |
483 |
|
progname, ourview.type); |
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|
} |
497 |
|
|
498 |
|
|
499 |
< |
int |
500 |
< |
putpiece(xpos, ypos) /* get next piece from rpict */ |
501 |
< |
int xpos, ypos; |
499 |
> |
static int |
500 |
> |
putpiece( /* get next piece from rpict */ |
501 |
> |
int xpos, |
502 |
> |
int ypos |
503 |
> |
) |
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{ |
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|
struct flock fls; |
506 |
|
int pid, status; |
560 |
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filerr("lock"); |
561 |
|
#endif |
562 |
|
/* write new piece to file */ |
563 |
< |
if (lseek(outfd, (off_t)fls.l_start, 0) < 0) |
563 |
> |
if (lseek(outfd, (off_t)fls.l_start, SEEK_SET) < 0) |
564 |
|
filerr("seek"); |
565 |
|
if (hmult == 1) { |
566 |
|
if (writebuf(outfd, (char *)pbuf, |
573 |
|
filerr("write"); |
574 |
|
if (y < vr-1 && lseek(outfd, |
575 |
|
(off_t)(hmult-1)*hr*sizeof(COLR), |
576 |
< |
1) < 0) |
576 |
> |
SEEK_CUR) < 0) |
577 |
|
filerr("seek"); |
578 |
|
} |
579 |
|
#if NFS |
599 |
|
} |
600 |
|
|
601 |
|
|
602 |
< |
filerr(t) /* report file error and exit */ |
603 |
< |
char *t; |
602 |
> |
static void |
603 |
> |
filerr( /* report file error and exit */ |
604 |
> |
char *t |
605 |
> |
) |
606 |
|
{ |
607 |
|
fprintf(stderr, "%s: %s error on file \"%s\": %s\n", |
608 |
|
progname, t, outfile, strerror(errno)); |