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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1992 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#include "resolu.h" |
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#define min(a,b) ((a)<(b)?(a):(b)) |
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#define min(a,b) ((a)<(b)?(a):(b)) |
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|
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RESOLU picres; /* resolution of picture */ |
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RESOLU picres; /* resolution of picture */ |
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|
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int uniq = 0; /* print only unique values? */ |
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int original = 0; /* convert back to original values? */ |
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int doexposure = 0; /* exposure change? (>100 to print) */ |
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|
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int dataonly = 0; /* data only format? */ |
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int format = 'a'; /* input/output format */ |
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char *fmtid = "ascii"; /* format identifier for header */ |
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|
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int header = 1; /* do header */ |
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int header = 1; /* do header? */ |
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|
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int resolution = 1; /* put/get resolution string? */ |
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|
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int original = 0; /* convert to original values? */ |
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|
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int wrongformat = 0; /* wrong input format? */ |
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double gamcor = 1.0; /* gamma correction */ |
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double gamcor = 1.0; /* gamma correction */ |
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|
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int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
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int rord[4]; /* reverse ordering */ |
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|
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COLOR exposure = WHTCOLOR; |
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char *progname; |
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FILE *fin; |
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extern double atof(), pow(); |
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|
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int (*getval)(), (*putval)(); |
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char **argv; |
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{ |
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extern int checkhead(); |
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double d, expval = 1.0; |
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int i; |
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progname = argv[0]; |
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case 'h': /* header */ |
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header = argv[i][0] == '+'; |
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break; |
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case 'H': /* resolution string */ |
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resolution = argv[i][0] == '+'; |
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break; |
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case 'u': /* unique values */ |
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uniq = argv[i][0] == '-'; |
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break; |
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original = argv[i][0] == '-'; |
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break; |
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case 'g': /* gamma correction */ |
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gamcor = atof(argv[++i]); |
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gamcor = atof(argv[i+1]); |
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if (argv[i][0] == '+') |
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gamcor = 1.0/gamcor; |
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i++; |
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break; |
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case 'e': /* exposure correction */ |
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d = atof(argv[i+1]); |
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if (argv[i+1][0] == '-' || argv[i+1][0] == '+') |
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d = pow(2.0, d); |
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if (argv[i][0] == '-') |
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doexposure = 100; |
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scalecolor(exposure, d); |
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expval *= d; |
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doexposure++; |
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i++; |
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break; |
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case 'R': /* reverse byte sequence */ |
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if (argv[i][0] == '-') { |
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ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
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} else { |
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ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
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} |
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break; |
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case 'r': /* reverse conversion */ |
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reverse = argv[i][0] == '-'; |
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break; |
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} |
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break; |
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case 'x': /* x resolution */ |
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case 'X': /* x resolution */ |
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resolution = 0; |
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if (argv[i][0] == '-') |
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picres.or |= XDECR; |
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picres.xr = atoi(argv[++i]); |
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break; |
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case 'y': /* y resolution */ |
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case 'Y': /* y resolution */ |
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resolution = 0; |
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if (argv[i][0] == '-') |
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picres.or |= YDECR; |
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if (picres.xr == 0) |
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fmtid = "8-bit_grey"; |
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else |
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fmtid = "24-bit_rgb"; |
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|
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/* assign reverse ordering */ |
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rord[ord[0]] = 0; |
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rord[ord[1]] = 1; |
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rord[ord[2]] = 2; |
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/* get input */ |
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if (i == argc) { |
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fin = stdin; |
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} else if (i == argc-1) { |
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set_io(); |
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if (reverse) { |
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#ifdef MSDOS |
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setmode(fileno(stdout), O_BINARY); |
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if (format != 'a' && format != 'i') |
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setmode(fileno(fin), O_BINARY); |
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#endif |
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/* get header */ |
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if (header && checkheader(fin, fmtid, stdout) < 0) { |
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fprintf(stderr, "%s: wrong input format\n", progname); |
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quit(1); |
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} |
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if (picres.xr <= 0 || picres.yr <= 0) /* get resolution */ |
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if (!fgetsresolu(&picres, fin)) { |
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fprintf(stderr, "%s: missing resolution\n", |
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progname); |
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quit(1); |
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} |
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/* get resolution */ |
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if ((resolution && !fgetsresolu(&picres, fin)) || |
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picres.xr <= 0 || picres.yr <= 0) { |
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fprintf(stderr, "%s: missing resolution\n", progname); |
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quit(1); |
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} |
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/* add to header */ |
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printargs(i, argv, stdout); |
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if (doexposure > 100) |
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fputexpos(expval, stdout); |
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fputformat(COLRFMT, stdout); |
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putchar('\n'); |
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fputsresolu(&picres, stdout); |
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fputsresolu(&picres, stdout); /* always put resolution */ |
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valtopix(); |
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} else { |
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#ifdef MSDOS |
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setmode(fileno(fin), O_BINARY); |
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if (format != 'a' && format != 'i') |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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/* get header */ |
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getheader(fin, checkhead, NULL); |
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if (wrongformat) { |
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progname); |
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quit(1); |
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} |
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if (picres.xr <= 0 || picres.yr <= 0) /* get picture size */ |
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if (!fgetsresolu(&picres, fin)) { |
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fprintf(stderr, "%s: missing resolution\n", |
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progname); |
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quit(1); |
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} |
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if (!fgetsresolu(&picres, fin)) { |
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fprintf(stderr, "%s: missing resolution\n", progname); |
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quit(1); |
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} |
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if (header) { |
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printargs(i, argv, stdout); |
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if (doexposure > 100) |
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fputexpos(expval, stdout); |
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fputformat(fmtid, stdout); |
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putchar('\n'); |
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} |
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if (resolution) /* put resolution */ |
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fputsresolu(&picres, stdout); |
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pixtoval(); |
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} |
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} else if (original && isexpos(line)) { |
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d = 1.0/exposval(line); |
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scalecolor(exposure, d); |
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doexposure++; |
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} else if (original && iscolcor(line)) { |
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colcorval(ctmp, line); |
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setcolor(exposure, colval(exposure,RED)/colval(ctmp,RED), |
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colval(exposure,GRN)/colval(ctmp,GRN), |
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colval(exposure,BLU)/colval(ctmp,BLU)); |
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doexposure++; |
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} else if (header) |
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fputs(line, stdout); |
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} |
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pixtoval() /* convert picture to values */ |
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{ |
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register COLOR *scanln; |
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register COLOR *scanln; |
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int dogamma; |
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COLOR lastc; |
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FLOAT hv[2]; |
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continue; |
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else |
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copycolor(lastc, scanln[x]); |
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if (original) |
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if (doexposure) |
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multcolor(scanln[x], exposure); |
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if (dogamma) |
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setcolor(scanln[x], |
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valtopix() /* convert values to a pixel file */ |
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{ |
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int dogamma; |
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register COLOR *scanln; |
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register COLOR *scanln; |
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int y; |
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register int x; |
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pow(colval(scanln[x],RED), gamcor), |
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pow(colval(scanln[x],GRN), gamcor), |
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pow(colval(scanln[x],BLU), gamcor)); |
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if (doexposure) |
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multcolor(scanln[x], exposure); |
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} |
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if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
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fprintf(stderr, "%s: write error\n", progname); |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd[3]; |
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double vd[3]; |
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if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
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return(-1); |
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setcolor(col, vd[0], vd[1], vd[2]); |
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setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
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return(0); |
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} |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd[3]; |
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double vd[3]; |
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if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
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return(-1); |
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setcolor(col, vd[0], vd[1], vd[2]); |
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setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
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return(0); |
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} |
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if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
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return(-1); |
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setcolor(col, vf[0], vf[1], vf[2]); |
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setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
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return(0); |
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} |
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if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
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return(-1); |
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setcolor(col,(vi[0]+.5)/256.,(vi[1]+.5)/256.,(vi[2]+.5)/256.); |
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setcolor(col, (vi[rord[RED]]+.5)/256., |
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(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
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return(0); |
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} |
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if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
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return(-1); |
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setcolor(col,(vb[0]+.5)/256.,(vb[1]+.5)/256.,(vb[2]+.5)/256.); |
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setcolor(col, (vb[rord[RED]]+.5)/256., |
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(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
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return(0); |
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} |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd; |
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double vd; |
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if (fscanf(fp, "%lf", &vd) != 1) |
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return(-1); |
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COLOR col; |
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FILE *fp; |
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{ |
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double vd; |
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double vd; |
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if (fread((char *)&vd, sizeof(double), 1, fp) != 1) |
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return(-1); |
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FILE *fp; |
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{ |
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int vi; |
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double d; |
488 |
> |
double d; |
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|
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if (fscanf(fp, "%d", &vi) != 1) |
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return(-1); |
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FILE *fp; |
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{ |
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BYTE vb; |
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double d; |
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> |
double d; |
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|
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if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1) |
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return(-1); |
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FILE *fp; |
516 |
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{ |
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fprintf(fp, "%15.3e %15.3e %15.3e\n", |
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colval(col,RED), |
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colval(col,GRN), |
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colval(col,BLU)); |
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> |
colval(col,ord[0]), |
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colval(col,ord[1]), |
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colval(col,ord[2])); |
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|
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return(ferror(fp) ? -1 : 0); |
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} |
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{ |
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float vf[3]; |
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< |
vf[0] = colval(col,RED); |
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vf[1] = colval(col,GRN); |
534 |
< |
vf[2] = colval(col,BLU); |
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> |
vf[0] = colval(col,ord[0]); |
533 |
> |
vf[1] = colval(col,ord[1]); |
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> |
vf[2] = colval(col,ord[2]); |
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fwrite((char *)vf, sizeof(float), 3, fp); |
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return(ferror(fp) ? -1 : 0); |
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COLOR col; |
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FILE *fp; |
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{ |
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< |
double vd[3]; |
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> |
double vd[3]; |
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|
547 |
< |
vd[0] = colval(col,RED); |
548 |
< |
vd[1] = colval(col,GRN); |
549 |
< |
vd[2] = colval(col,BLU); |
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> |
vd[0] = colval(col,ord[0]); |
548 |
> |
vd[1] = colval(col,ord[1]); |
549 |
> |
vd[2] = colval(col,ord[2]); |
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fwrite((char *)vd, sizeof(double), 3, fp); |
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|
552 |
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return(ferror(fp) ? -1 : 0); |
558 |
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FILE *fp; |
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{ |
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fprintf(fp, "%d %d %d\n", |
561 |
< |
(int)(colval(col,RED)*256.), |
562 |
< |
(int)(colval(col,GRN)*256.), |
563 |
< |
(int)(colval(col,BLU)*256.)); |
561 |
> |
(int)(colval(col,ord[0])*256.), |
562 |
> |
(int)(colval(col,ord[1])*256.), |
563 |
> |
(int)(colval(col,ord[2])*256.)); |
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|
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return(ferror(fp) ? -1 : 0); |
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} |
573 |
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register int i; |
574 |
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BYTE vb[3]; |
575 |
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|
576 |
< |
i = colval(col,RED)*256.; |
576 |
> |
i = colval(col,ord[0])*256.; |
577 |
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vb[0] = min(i,255); |
578 |
< |
i = colval(col,GRN)*256.; |
578 |
> |
i = colval(col,ord[1])*256.; |
579 |
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vb[1] = min(i,255); |
580 |
< |
i = colval(col,BLU)*256.; |
580 |
> |
i = colval(col,ord[2])*256.; |
581 |
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vb[2] = min(i,255); |
582 |
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fwrite((char *)vb, sizeof(BYTE), 3, fp); |
583 |
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|
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COLOR col; |
613 |
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FILE *fp; |
614 |
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{ |
615 |
< |
double vd; |
615 |
> |
double vd; |
616 |
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|
617 |
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vd = bright(col); |
618 |
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fwrite((char *)&vd, sizeof(double), 1, fp); |