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#include <stdio.h> |
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#include <math.h> |
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#include <time.h> |
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#include <ctype.h> |
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#include "tiffio.h" |
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#include "color.h" |
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#include "resolu.h" |
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struct { |
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uint16 flags; /* conversion flags (defined above) */ |
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char capdate[20]; /* capture date/time */ |
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char owner[256]; /* content owner */ |
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uint16 comp; /* TIFF compression type */ |
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uint16 phot; /* TIFF photometric type */ |
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uint16 pconf; /* TIFF planar configuration */ |
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} t; /* TIFF scanline */ |
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void (*tf)(); /* translation procedure */ |
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} cvts = { /* conversion structure */ |
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0, COMPRESSION_NONE, PHOTOMETRIC_RGB, |
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0, "", "", COMPRESSION_NONE, PHOTOMETRIC_RGB, |
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PLANARCONFIG_CONTIG, GAMCOR, 0, 1, 1., 1., |
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}; |
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#define pixorder() ortab[cvts.orient-1] |
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extern char TMSTR[]; /* "CAPDATE=" from header.c */ |
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char OWNSTR[] = "OWNER="; |
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|
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char *progname; |
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initfromtif() /* initialize conversion from TIFF input */ |
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{ |
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uint16 hi; |
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char *cp; |
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float *fa, f1, f2; |
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CLR(C_GRY|C_GAMMA|C_PRIM|C_RFLT|C_TFLT|C_TWRD|C_CXFM); |
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if (!TIFFGetField(cvts.tif, TIFFTAG_STONITS, &cvts.stonits)) |
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cvts.stonits = 1.; |
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|
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if (!TIFFGetField(cvts.tif, TIFFTAG_DATETIME, &cp)) |
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cvts.capdate[0] = '\0'; |
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else { |
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strncpy(cvts.capdate, cp, 19); |
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cvts.capdate[19] = '\0'; |
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} |
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if (!TIFFGetField(cvts.tif, TIFFTAG_ARTIST, &cp)) |
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cvts.owner[0] = '\0'; |
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else { |
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strncpy(cvts.owner, cp, sizeof(cvts.owner)); |
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cvts.owner[sizeof(cvts.owner)-1] = '\0'; |
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} |
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/* add to Radiance header */ |
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if (cvts.pixrat < .99 || cvts.pixrat > 1.01) |
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fputaspect(cvts.pixrat, cvts.rfp); |
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cvts.rfp); |
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fputformat(COLRFMT, cvts.rfp); |
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} |
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if (cvts.capdate[0]) |
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fprintf(cvts.rfp, "%s %s\n", TMSTR, cvts.capdate); |
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if (cvts.owner[0]) |
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fprintf(cvts.rfp, "%s %s\n", OWNSTR, cvts.owner); |
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|
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allocbufs(); /* allocate scanline buffers */ |
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} |
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headline(s) /* process Radiance input header line */ |
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char *s; |
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{ |
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static int tmstrlen = 0; |
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static int ownstrlen = 0; |
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char fmt[32]; |
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|
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if (!tmstrlen) |
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tmstrlen = strlen(TMSTR); |
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if (!ownstrlen) |
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ownstrlen = strlen(OWNSTR); |
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if (formatval(fmt, s)) { |
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if (!strcmp(fmt, COLRFMT)) |
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CLR(C_XYZE); |
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SET(C_PRIM); |
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return(1); |
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} |
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if (isdate(s)) { |
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if (s[tmstrlen] == ' ') |
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strncpy(cvts.capdate, s+tmstrlen+1, 19); |
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else |
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strncpy(cvts.capdate, s+tmstrlen, 19); |
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cvts.capdate[19] = '\0'; |
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return(1); |
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} |
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if (!strncmp(s, OWNSTR, ownstrlen)) { |
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register char *cp = s + ownstrlen; |
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|
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while (isspace(*cp)) |
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++cp; |
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strncpy(cvts.owner, cp, sizeof(cvts.owner)); |
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cvts.owner[sizeof(cvts.owner)-1] = '\0'; |
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for (cp = cvts.owner; *cp; cp++) |
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; |
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while (cp > cvts.owner && isspace(cp[-1])) |
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*--cp = '\0'; |
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return(1); |
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} |
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return(0); |
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} |
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int i1, i2, po; |
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/* read Radiance header */ |
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CLR(C_RFLT|C_XYZE|C_PRIM|C_GAMMA|C_CXFM); |
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cvts.capdate[0] = '\0'; |
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cvts.owner[0] = '\0'; |
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cvts.stonits = 1.; |
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cvts.pixrat = 1.; |
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cvts.pconf = PLANARCONFIG_CONTIG; |
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TIFFSetField(cvts.tif, TIFFTAG_PLANARCONFIG, cvts.pconf); |
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TIFFSetField(cvts.tif, TIFFTAG_STONITS, |
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cvts.stonits/pow(2.,(double)cvts.bradj)); |
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if (cvts.capdate[0]) |
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TIFFSetField(cvts.tif, TIFFTAG_DATETIME, cvts.capdate); |
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if (cvts.owner[0]) |
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TIFFSetField(cvts.tif, TIFFTAG_ARTIST, cvts.owner); |
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if (cvts.comp == COMPRESSION_NONE) |
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i1 = TIFFScanlineSize(cvts.tif); |
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else |