/* Load matrix from supported file type */ RMATRIX * rmx_load(const char *fname) { FILE *fp = stdin; RMATRIX dinfo; RMATRIX *dnew; if (fname == NULL) { /* reading from stdin? */ fname = "<stdin>"; #ifdef _WIN32 _setmode(fileno(stdin), _O_BINARY); #endif } else { const char *sp = fname; /* check suffix */ while (*sp) ++sp; while (sp > fname && sp[-1] != '.') --sp; if (!strcasecmp(sp, "XML")) { /* assume it's a BSDF */ CMATRIX *cm = cm_loadBTDF((char *)fname); if (cm == NULL) return(NULL); dnew = rmx_from_cmatrix(cm); cm_free(cm); return(dnew); } /* else open it ourselves */ if ((fp = fopen(fname, "rb")) == NULL) return(NULL); } #ifdef getc_unlocked flockfile(fp); #endif dinfo.nrows = dinfo.ncols = dinfo.ncomp = 0; dinfo.dtype = DTascii; /* assumed w/o FORMAT */ dinfo.info = NULL; if (getheader(fp, get_dminfo, &dinfo) < 0) { fclose(fp); return(NULL); } if ((dinfo.nrows <= 0) | (dinfo.ncols <= 0)) { if (!fscnresolu(&dinfo.ncols, &dinfo.nrows, fp)) { fclose(fp); return(NULL); } if (dinfo.ncomp <= 0) dinfo.ncomp = 3; else if ((dinfo.dtype == DTrgbe) | (dinfo.dtype == DTxyze) && dinfo.ncomp != 3) { fclose(fp); return(NULL); } } dnew = rmx_alloc(dinfo.nrows, dinfo.ncols, dinfo.ncomp); if (dnew == NULL) { fclose(fp); return(NULL); } dnew->info = dinfo.info; switch (dinfo.dtype) { case DTascii: if (!rmx_load_ascii(dnew, fp)) goto loaderr; dnew->dtype = DTascii; /* should leave double? */ break; case DTfloat: if (!rmx_load_float(dnew, fp)) goto loaderr; dnew->dtype = DTfloat; break; case DTdouble: if (!rmx_load_double(dnew, fp)) goto loaderr; dnew->dtype = DTdouble; break; case DTrgbe: case DTxyze: if (!rmx_load_rgbe(dnew, fp)) goto loaderr; dnew->dtype = dinfo.dtype; break; default: goto loaderr; } if (fp != stdin) fclose(fp); return(dnew); loaderr: /* should report error? */ fclose(fp); rmx_free(dnew); return(NULL); }
/* 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 */ }
/* 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 *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 */ }