/* Terminate record output and flush if time */
void
end_record()
{
--waitflush;
lu_doall(&ofiletab, &puteol, NULL);
if (using_stdout & (outfmt == 'a'))
putc('\n', stdout);
if (!waitflush) {
waitflush = (yres > 0) & (xres > 1) ? 0 : xres;
if (using_stdout)
fflush(stdout);
}
}
/* Recover output if possible */
void
recover_output()
{
off_t lastout = -1;
int outvsiz, recsiz;
char *outvfmt;
int i, j;
MODCONT *mp;
int ofl;
char oname[1024];
LUENT *oent;
STREAMOUT sout;
off_t nvals;
int xr, yr;
switch (outfmt) {
case 'a':
error(USER, "cannot recover ASCII output");
return;
case 'f':
outvsiz = sizeof(float)*3;
break;
case 'd':
outvsiz = sizeof(double)*3;
break;
case 'c':
outvsiz = sizeof(COLR);
break;
default:
error(INTERNAL, "botched output format");
return;
}
outvfmt = formstr(outfmt);
/* check modifier outputs */
for (i = 0; i < nmods; i++) {
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data;
if (mp->outspec == NULL)
error(USER, "cannot recover from stdout");
if (mp->outspec[0] == '!')
error(USER, "cannot recover from command");
for (j = 0; ; j++) { /* check each bin's file */
ofl = ofname(oname, mp->outspec, mp->modname, j);
if (ofl < 0)
error(USER, "bad output file specification");
oent = lu_find(&ofiletab, oname);
if (oent->data != NULL) {
sout = *(STREAMOUT *)oent->data;
} else {
sout.reclen = 0;
sout.outpipe = 0;
sout.ofp = NULL;
}
if (sout.ofp != NULL) { /* already open? */
if (ofl & OF_BIN)
continue;
break;
}
/* open output */
sout.ofp = fopen(oname, "rb+");
if (sout.ofp == NULL) {
if (j == mp->nbins)
break; /* assume end of modifier */
sprintf(errmsg, "missing recover file '%s'",
oname);
error(WARNING, errmsg);
break;
}
nvals = lseek(fileno(sout.ofp), 0, SEEK_END);
if (nvals <= 0) {
lastout = 0; /* empty output, quit here */
fclose(sout.ofp);
break;
}
if (!sout.reclen) {
if (!(ofl & OF_BIN)) {
sprintf(errmsg,
"need -bn to recover file '%s'",
oname);
error(USER, errmsg);
}
recsiz = outvsiz;
} else
recsiz = outvsiz * sout.reclen;
lseek(fileno(sout.ofp), 0, SEEK_SET);
if (header && checkheader(sout.ofp, outvfmt, NULL) != 1) {
sprintf(errmsg, "format mismatch for '%s'",
oname);
error(USER, errmsg);
}
sout.xr = xres; sout.yr = yres;
if ((sout.xr > 0) & (sout.yr > 0) &&
(!fscnresolu(&xr, &yr, sout.ofp) ||
(xr != sout.xr) |
(yr != sout.yr))) {
sprintf(errmsg, "resolution mismatch for '%s'",
oname);
error(USER, errmsg);
}
nvals = (nvals - (off_t)ftell(sout.ofp)) / recsiz;
if ((lastout < 0) | (nvals < lastout))
lastout = nvals;
if (oent->key == NULL) /* new entry */
oent->key = strcpy((char *)
malloc(strlen(oname)+1), oname);
if (oent->data == NULL)
oent->data = (char *)malloc(sizeof(STREAMOUT));
*(STREAMOUT *)oent->data = sout;
if (!(ofl & OF_BIN))
break; /* no bin separation */
}
if (!lastout) { /* empty output */
error(WARNING, "no previous data to recover");
lu_done(&ofiletab); /* reclose all outputs */
return;
}
if (j > mp->nbins) { /* check modifier size */
sprintf(errmsg,
"mismatched -bn setting for recovering '%s'",
modname[i]);
error(USER, errmsg);
}
}
if (lastout < 0) {
error(WARNING, "no output files to recover");
return;
}
if (raysleft && lastout >= raysleft/accumulate) {
error(WARNING, "output appears to be complete");
/* XXX should read & discard input? */
quit(0);
}
/* seek on all files */
nvals = lastout * outvsiz;
lu_doall(&ofiletab, &myseeko, &nvals);
/* skip repeated input */
lastout *= accumulate;
for (nvals = 0; nvals < lastout; nvals++) {
FVECT vdummy;
if (getvec(vdummy) < 0 || getvec(vdummy) < 0)
error(USER, "unexpected EOF on input");
}
lastray = lastdone = (RNUMBER)lastout;
if (raysleft)
raysleft -= lastray;
}
/* Load previously accumulated values */
void
reload_output()
{
int i, j;
MODCONT *mp;
int ofl;
char oname[1024];
char *fmode = "rb";
char *outvfmt;
LUENT *oent;
int xr, yr;
STREAMOUT sout;
DCOLOR rgbv;
if (outfmt == 'a')
fmode = "r";
outvfmt = formstr(outfmt);
/* reload modifier values */
for (i = 0; i < nmods; i++) {
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data;
if (mp->outspec == NULL)
error(USER, "cannot reload from stdout");
if (mp->outspec[0] == '!')
error(USER, "cannot reload from command");
for (j = 0; ; j++) { /* load each modifier bin */
ofl = ofname(oname, mp->outspec, mp->modname, j);
if (ofl < 0)
error(USER, "bad output file specification");
oent = lu_find(&ofiletab, oname);
if (oent->data != NULL) {
sout = *(STREAMOUT *)oent->data;
} else {
sout.reclen = 0;
sout.outpipe = 0;
sout.xr = xres; sout.yr = yres;
sout.ofp = NULL;
}
if (sout.ofp == NULL) { /* open output as input */
sout.ofp = fopen(oname, fmode);
if (sout.ofp == NULL) {
if (j == mp->nbins)
break; /* assume end of modifier */
sprintf(errmsg, "missing reload file '%s'",
oname);
error(WARNING, errmsg);
break;
}
#ifdef getc_unlocked
flockfile(sout.ofp);
#endif
if (header && checkheader(sout.ofp, outvfmt, NULL) != 1) {
sprintf(errmsg, "format mismatch for '%s'",
oname);
error(USER, errmsg);
}
if ((sout.xr > 0) & (sout.yr > 0) &&
(!fscnresolu(&xr, &yr, sout.ofp) ||
(xr != sout.xr) |
(yr != sout.yr))) {
sprintf(errmsg, "resolution mismatch for '%s'",
oname);
error(USER, errmsg);
}
}
/* read in RGB value */
if (!get_contrib(rgbv, sout.ofp)) {
if (!j) {
fclose(sout.ofp);
break; /* ignore empty file */
}
if (j < mp->nbins) {
sprintf(errmsg, "missing data in '%s'",
oname);
error(USER, errmsg);
}
break;
}
if (j >= mp->nbins) { /* check modifier size */
sprintf(errmsg,
"mismatched -bn setting for reloading '%s'",
modname[i]);
error(USER, errmsg);
}
copycolor(mp->cbin[j], rgbv);
if (oent->key == NULL) /* new file entry */
oent->key = strcpy((char *)
malloc(strlen(oname)+1), oname);
if (oent->data == NULL)
oent->data = (char *)malloc(sizeof(STREAMOUT));
*(STREAMOUT *)oent->data = sout;
}
}
lu_doall(&ofiletab, &myclose, NULL); /* close all files */
}
/* Load previously accumulated values */
void
reload_output()
{
int i, j;
MODCONT *mp;
int ofl;
char oname[1024];
char *fmode = "rb";
char *outvfmt;
LUENT *oent;
int xr, yr;
STREAMOUT *sop;
DCOLOR rgbv;
if (outfmt == 'a')
fmode = "r";
outvfmt = formstr(outfmt);
/* reload modifier values */
for (i = 0; i < nmods; i++) {
mp = (MODCONT *)lu_find(&modconttab,modname[i])->data;
if (mp->outspec == NULL)
error(USER, "cannot reload from stdout");
if (mp->outspec[0] == '!')
error(USER, "cannot reload from command");
for (j = 0; j < mp->nbins; j++) { /* load each modifier bin */
ofl = ofname(oname, mp->outspec, mp->modname, mp->bin0+j);
if (ofl < 0)
error(USER, "bad output file specification");
oent = lu_find(&ofiletab, oname);
if (oent->data == NULL)
error(INTERNAL, "unallocated stream in reload_output()");
sop = (STREAMOUT *)oent->data;
if (sop->ofp == NULL) { /* open output as input */
sop->ofp = fopen(oname, fmode);
if (sop->ofp == NULL) {
sprintf(errmsg, "missing reload file '%s'",
oname);
error(WARNING, errmsg);
break;
}
#ifdef getc_unlocked
flockfile(sop->ofp);
#endif
if (header && checkheader(sop->ofp, outvfmt, NULL) != 1) {
sprintf(errmsg, "format mismatch for '%s'",
oname);
error(USER, errmsg);
}
if ((sop->reclen == 1) & (sop->xr > 0) & (sop->yr > 0) &&
(!fscnresolu(&xr, &yr, sop->ofp) ||
(xr != sop->xr) |
(yr != sop->yr))) {
sprintf(errmsg, "resolution mismatch for '%s'",
oname);
error(USER, errmsg);
}
}
/* read in RGB value */
if (!get_contrib(rgbv, sop->ofp)) {
if (!j) {
fclose(sop->ofp);
break; /* ignore empty file */
}
if (j < mp->nbins) {
sprintf(errmsg, "missing data in '%s'",
oname);
error(USER, errmsg);
}
break;
}
copycolor(mp->cbin[j], rgbv);
}
}
lu_doall(&ofiletab, &myclose, NULL); /* close all files */
}
