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/* Copyright (c) 1997 Regents of the University of California */ |
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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static char SCCSid[] = "$SunId$ SGI"; |
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#endif |
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/* |
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int |
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tmCvColrs(ls, cs, scan, len) /* tone map RGBE/XYZE colors */ |
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tmCvColrs(ls, cs, scan, len) /* convert RGBE/XYZE colors */ |
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TMbright *ls; |
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BYTE *cs; |
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COLR *scan; |
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if (tmTop == NULL) |
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returnErr(TM_E_TMINVAL); |
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if (ls == NULL | scan == NULL | len <= 0) |
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if (ls == NULL | scan == NULL | len < 0) |
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returnErr(TM_E_ILLEGAL); |
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if (tmNeedMatrix(tmTop)) { /* need floating point */ |
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register COLOR *newscan; |
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colr_color(newscan[i], scan[i]); |
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return(tmCvColors(ls, cs, newscan, len)); |
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} |
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if (colrReg == -1) { /* build tables if necessary */ |
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if (colrReg < 0) { /* build tables if necessary */ |
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colrReg = tmRegPkg(&colrPkg); |
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if (colrReg < 0) |
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returnErr(TM_E_CODERR1); |
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ls[i] = bi; |
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if (cs == TM_NOCHROM) /* no color? */ |
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continue; |
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if (tmTop->flags & TM_F_BW) |
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cmon[RED] = cmon[GRN] = cmon[BLU] = li; |
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/* mesopic adj. */ |
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if (tmTop->flags & TM_F_MESOPIC && bi < BMESUPPER) { |
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register int pf, sli = normscot(cmon); |
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if (bi < BMESLOWER) |
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cmon[RED] = cmon[GRN] = cmon[BLU] = sli; |
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else { |
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if (tmTop->flags & TM_F_BW) |
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cmon[RED] = cmon[GRN] = cmon[BLU] = li; |
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pf = photofact[bi-BMESLOWER]; |
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sli *= 256 - pf; |
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cmon[RED] = ( sli + pf*cmon[RED] ) >> 8; |
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cmon[GRN] = ( sli + pf*cmon[GRN] ) >> 8; |
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cmon[BLU] = ( sli + pf*cmon[BLU] ) >> 8; |
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} |
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} else if (tmTop->flags & TM_F_BW) { |
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cmon[RED] = cmon[GRN] = cmon[BLU] = li; |
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} |
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bi = ( (int4)GAMTSZ*cd->clfb[RED]*cmon[RED]/li ) >> 8; |
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cs[3*i ] = bi>=GAMTSZ ? 255 : cd->gamb[bi]; |
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*xp = *yp = 0; /* error precaution */ |
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if ((inpf = fp) == TM_GETFILE && (inpf = fopen(fname, "r")) == NULL) |
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returnErr(TM_E_BADFILE); |
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*lpp = NULL; |
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if (cpp != TM_NOCHROMP) *cpp = NULL; |
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info = rhdefault; /* get our header */ |
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getheader(inpf, headline, (char *)&info); |
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getheader(inpf, headline, (MEM_PTR)&info); |
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if (info.format == FMTBAD | info.expos <= 0. || |
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fgetresolu(xp, yp, inpf) < 0) { |
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err = TM_E_BADFILE; goto done; |
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if (fp == NULL) |
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fclose(inpf); |
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if (scanin != NULL) |
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free((char *)scanin); |
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if (err != TM_E_OK) |
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free((MEM_PTR)scanin); |
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if (err != TM_E_OK) { |
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if (*lpp != NULL) |
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free((MEM_PTR)*lpp); |
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if (cpp != TM_NOCHROMP && *cpp != NULL) |
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free((MEM_PTR)*cpp); |
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returnErr(err); |
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} |
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returnOK; |
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} |
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for (y = 0; y < *yp; y++) { |
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if (freadcolrs(scan, *xp, infp) < 0) { |
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pclose(infp); |
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free((char *)scan); |
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free((char *)*psp); |
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free((MEM_PTR)scan); |
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free((MEM_PTR)*psp); |
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*psp = NULL; |
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returnErr(TM_E_BADFILE); |
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} |
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*rp++ = scan[x][BLU]; |
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} |
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} |
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free((char *)scan); |
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free((MEM_PTR)scan); |
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pclose(infp); |
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returnOK; |
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} |
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FILE *fp; |
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{ |
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char *funcName = fname==NULL ? "tmMapPicture" : fname; |
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FILE *inpf; |
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BYTE *cp; |
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TMbright *lp; |
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int err; |
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if (flags & TM_F_BW) { |
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*psp = (BYTE *)malloc(sizeof(BYTE) * *xp * *yp); |
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if (*psp == NULL) { |
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free((char *)lp); |
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free((MEM_PTR)lp); |
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tmDone(NULL); |
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returnErr(TM_E_NOMEM); |
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} |
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err = tmMapPixels(*psp, lp, cp, *xp * *yp); |
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done: /* clean up */ |
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free((char *)lp); |
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free((MEM_PTR)lp); |
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tmDone(NULL); |
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if (err != TM_E_OK) { /* free memory on error */ |
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free((char *)*psp); |
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free((MEM_PTR)*psp); |
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*psp = NULL; |
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returnErr(err); |
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} |
