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/* Copyright (c) 1991 Regents of the University of California */ |
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|
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#endif |
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|
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/* |
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* pvalue.c - program to print pixel values. |
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* |
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* 4/23/86 |
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*/ |
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|
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#include "standard.h" |
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|
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#include "color.h" |
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|
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#include "resolu.h" |
18 |
|
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#define min(a,b) ((a)<(b)?(a):(b)) |
20 |
|
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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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|
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int original = 0; /* convert back to original values? */ |
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|
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int dataonly = 0; /* data only format? */ |
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|
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int brightonly = 0; /* only brightness values? */ |
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|
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int reverse = 0; /* reverse conversion? */ |
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|
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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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|
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int resolution = 1; /* put/get resolution string? */ |
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|
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int wrongformat = 0; /* wrong input format? */ |
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|
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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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|
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char *progname; |
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|
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FILE *fin; |
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|
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int (*getval)(), (*putval)(); |
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|
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|
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main(argc, argv) |
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int argc; |
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char **argv; |
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{ |
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extern int checkhead(); |
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int i; |
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|
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progname = argv[0]; |
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|
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for (i = 1; i < argc; i++) |
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if (argv[i][0] == '-' || argv[i][0] == '+') |
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switch (argv[i][1]) { |
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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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case 'o': /* original values */ |
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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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if (argv[i][0] == '+') |
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gamcor = 1.0/gamcor; |
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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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case 'b': /* brightness values */ |
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brightonly = argv[i][0] == '-'; |
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break; |
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case 'd': /* data only (no indices) */ |
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dataonly = argv[i][0] == '-'; |
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switch (argv[i][2]) { |
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case '\0': |
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case 'a': /* ascii */ |
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format = 'a'; |
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fmtid = "ascii"; |
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break; |
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case 'i': /* integer */ |
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format = 'i'; |
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fmtid = "ascii"; |
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break; |
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case 'b': /* byte */ |
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dataonly = 1; |
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format = 'b'; |
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fmtid = "byte"; |
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break; |
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case 'f': /* float */ |
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dataonly = 1; |
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format = 'f'; |
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fmtid = "float"; |
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break; |
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case 'd': /* double */ |
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dataonly = 1; |
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format = 'd'; |
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fmtid = "double"; |
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break; |
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default: |
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goto unkopt; |
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} |
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break; |
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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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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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picres.or |= YMAJOR; |
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picres.yr = atoi(argv[++i]); |
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break; |
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default: |
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unkopt: |
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fprintf(stderr, "%s: unknown option: %s\n", |
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progname, argv[i]); |
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quit(1); |
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break; |
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} |
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else |
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break; |
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/* recognize special formats */ |
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if (dataonly && format == 'b') |
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if (brightonly) |
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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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/* 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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if ((fin = fopen(argv[i], "r")) == NULL) { |
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fprintf(stderr, "%s: can't open file \"%s\"\n", |
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progname, argv[i]); |
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quit(1); |
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} |
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} else { |
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fprintf(stderr, "%s: bad # file arguments\n", progname); |
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quit(1); |
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} |
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|
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set_io(); |
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|
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if (reverse) { |
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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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/* 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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fputformat(COLRFMT, stdout); |
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putchar('\n'); |
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fputsresolu(&picres, stdout); /* always put resolution */ |
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valtopix(); |
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} else { |
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/* get header */ |
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getheader(fin, checkhead, NULL); |
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if (wrongformat) { |
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fprintf(stderr, "%s: input not a Radiance picture\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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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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|
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quit(0); |
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} |
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|
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|
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checkhead(line) /* deal with line from header */ |
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char *line; |
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{ |
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char fmt[32]; |
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double d; |
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COLOR ctmp; |
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|
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if (isformat(line)) { |
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formatval(fmt, line); |
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wrongformat = strcmp(fmt, COLRFMT); |
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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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} 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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} else if (header) |
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fputs(line, stdout); |
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} |
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|
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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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int dogamma; |
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COLOR lastc; |
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FLOAT hv[2]; |
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int y; |
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register int x; |
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|
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scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
255 |
if (scanln == NULL) { |
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fprintf(stderr, "%s: out of memory\n", progname); |
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quit(1); |
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} |
259 |
dogamma = gamcor < .95 || gamcor > 1.05; |
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setcolor(lastc, 0.0, 0.0, 0.0); |
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for (y = 0; y < numscans(&picres); y++) { |
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if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
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fprintf(stderr, "%s: read error\n", progname); |
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quit(1); |
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} |
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for (x = 0; x < scanlen(&picres); x++) { |
267 |
if (uniq) |
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if ( colval(scanln[x],RED) == |
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colval(lastc,RED) && |
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colval(scanln[x],GRN) == |
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colval(lastc,GRN) && |
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colval(scanln[x],BLU) == |
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colval(lastc,BLU) ) |
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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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multcolor(scanln[x], exposure); |
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if (dogamma) |
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setcolor(scanln[x], |
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pow(colval(scanln[x],RED), 1.0/gamcor), |
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pow(colval(scanln[x],GRN), 1.0/gamcor), |
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pow(colval(scanln[x],BLU), 1.0/gamcor)); |
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if (!dataonly) { |
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pix2loc(hv, &picres, x, y); |
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printf("%7d %7d ", (int)(hv[0]*picres.xr), |
287 |
(int)(hv[1]*picres.yr)); |
288 |
} |
289 |
if ((*putval)(scanln[x], stdout) < 0) { |
290 |
fprintf(stderr, "%s: write error\n", progname); |
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quit(1); |
292 |
} |
293 |
} |
294 |
} |
295 |
free((char *)scanln); |
296 |
} |
297 |
|
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|
299 |
valtopix() /* convert values to a pixel file */ |
300 |
{ |
301 |
int dogamma; |
302 |
register COLOR *scanln; |
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int y; |
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register int x; |
305 |
|
306 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
307 |
if (scanln == NULL) { |
308 |
fprintf(stderr, "%s: out of memory\n", progname); |
309 |
quit(1); |
310 |
} |
311 |
dogamma = gamcor < .95 || gamcor > 1.05; |
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for (y = 0; y < numscans(&picres); y++) { |
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for (x = 0; x < scanlen(&picres); x++) { |
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if (!dataonly) |
315 |
fscanf(fin, "%*d %*d"); |
316 |
if ((*getval)(scanln[x], fin) < 0) { |
317 |
fprintf(stderr, "%s: read error\n", progname); |
318 |
quit(1); |
319 |
} |
320 |
if (dogamma) |
321 |
setcolor(scanln[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)); |
325 |
} |
326 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
327 |
fprintf(stderr, "%s: write error\n", progname); |
328 |
quit(1); |
329 |
} |
330 |
} |
331 |
free((char *)scanln); |
332 |
} |
333 |
|
334 |
|
335 |
quit(code) |
336 |
int code; |
337 |
{ |
338 |
exit(code); |
339 |
} |
340 |
|
341 |
|
342 |
getcascii(col, fp) /* get an ascii color value from fp */ |
343 |
COLOR col; |
344 |
FILE *fp; |
345 |
{ |
346 |
double vd[3]; |
347 |
|
348 |
if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
349 |
return(-1); |
350 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
351 |
return(0); |
352 |
} |
353 |
|
354 |
|
355 |
getcdouble(col, fp) /* get a double color value from fp */ |
356 |
COLOR col; |
357 |
FILE *fp; |
358 |
{ |
359 |
double vd[3]; |
360 |
|
361 |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
362 |
return(-1); |
363 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
364 |
return(0); |
365 |
} |
366 |
|
367 |
|
368 |
getcfloat(col, fp) /* get a float color value from fp */ |
369 |
COLOR col; |
370 |
FILE *fp; |
371 |
{ |
372 |
float vf[3]; |
373 |
|
374 |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
375 |
return(-1); |
376 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
377 |
return(0); |
378 |
} |
379 |
|
380 |
|
381 |
getcint(col, fp) /* get an int color value from fp */ |
382 |
COLOR col; |
383 |
FILE *fp; |
384 |
{ |
385 |
int vi[3]; |
386 |
|
387 |
if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
388 |
return(-1); |
389 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
390 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
391 |
return(0); |
392 |
} |
393 |
|
394 |
|
395 |
getcbyte(col, fp) /* get a byte color value from fp */ |
396 |
COLOR col; |
397 |
FILE *fp; |
398 |
{ |
399 |
BYTE vb[3]; |
400 |
|
401 |
if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
402 |
return(-1); |
403 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
404 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
405 |
return(0); |
406 |
} |
407 |
|
408 |
|
409 |
getbascii(col, fp) /* get an ascii brightness value from fp */ |
410 |
COLOR col; |
411 |
FILE *fp; |
412 |
{ |
413 |
double vd; |
414 |
|
415 |
if (fscanf(fp, "%lf", &vd) != 1) |
416 |
return(-1); |
417 |
setcolor(col, vd, vd, vd); |
418 |
return(0); |
419 |
} |
420 |
|
421 |
|
422 |
getbdouble(col, fp) /* get a double brightness value from fp */ |
423 |
COLOR col; |
424 |
FILE *fp; |
425 |
{ |
426 |
double vd; |
427 |
|
428 |
if (fread((char *)&vd, sizeof(double), 1, fp) != 1) |
429 |
return(-1); |
430 |
setcolor(col, vd, vd, vd); |
431 |
return(0); |
432 |
} |
433 |
|
434 |
|
435 |
getbfloat(col, fp) /* get a float brightness value from fp */ |
436 |
COLOR col; |
437 |
FILE *fp; |
438 |
{ |
439 |
float vf; |
440 |
|
441 |
if (fread((char *)&vf, sizeof(float), 1, fp) != 1) |
442 |
return(-1); |
443 |
setcolor(col, vf, vf, vf); |
444 |
return(0); |
445 |
} |
446 |
|
447 |
|
448 |
getbint(col, fp) /* get an int brightness value from fp */ |
449 |
COLOR col; |
450 |
FILE *fp; |
451 |
{ |
452 |
int vi; |
453 |
double d; |
454 |
|
455 |
if (fscanf(fp, "%d", &vi) != 1) |
456 |
return(-1); |
457 |
d = (vi+.5)/256.; |
458 |
setcolor(col, d, d, d); |
459 |
return(0); |
460 |
} |
461 |
|
462 |
|
463 |
getbbyte(col, fp) /* get a byte brightness value from fp */ |
464 |
COLOR col; |
465 |
FILE *fp; |
466 |
{ |
467 |
BYTE vb; |
468 |
double d; |
469 |
|
470 |
if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1) |
471 |
return(-1); |
472 |
d = (vb+.5)/256.; |
473 |
setcolor(col, d, d, d); |
474 |
return(0); |
475 |
} |
476 |
|
477 |
|
478 |
putcascii(col, fp) /* put an ascii color to fp */ |
479 |
COLOR col; |
480 |
FILE *fp; |
481 |
{ |
482 |
fprintf(fp, "%15.3e %15.3e %15.3e\n", |
483 |
colval(col,ord[0]), |
484 |
colval(col,ord[1]), |
485 |
colval(col,ord[2])); |
486 |
|
487 |
return(ferror(fp) ? -1 : 0); |
488 |
} |
489 |
|
490 |
|
491 |
putcfloat(col, fp) /* put a float color to fp */ |
492 |
COLOR col; |
493 |
FILE *fp; |
494 |
{ |
495 |
float vf[3]; |
496 |
|
497 |
vf[0] = colval(col,ord[0]); |
498 |
vf[1] = colval(col,ord[1]); |
499 |
vf[2] = colval(col,ord[2]); |
500 |
fwrite((char *)vf, sizeof(float), 3, fp); |
501 |
|
502 |
return(ferror(fp) ? -1 : 0); |
503 |
} |
504 |
|
505 |
|
506 |
putcdouble(col, fp) /* put a double color to fp */ |
507 |
COLOR col; |
508 |
FILE *fp; |
509 |
{ |
510 |
double vd[3]; |
511 |
|
512 |
vd[0] = colval(col,ord[0]); |
513 |
vd[1] = colval(col,ord[1]); |
514 |
vd[2] = colval(col,ord[2]); |
515 |
fwrite((char *)vd, sizeof(double), 3, fp); |
516 |
|
517 |
return(ferror(fp) ? -1 : 0); |
518 |
} |
519 |
|
520 |
|
521 |
putcint(col, fp) /* put an int color to fp */ |
522 |
COLOR col; |
523 |
FILE *fp; |
524 |
{ |
525 |
fprintf(fp, "%d %d %d\n", |
526 |
(int)(colval(col,ord[0])*256.), |
527 |
(int)(colval(col,ord[1])*256.), |
528 |
(int)(colval(col,ord[2])*256.)); |
529 |
|
530 |
return(ferror(fp) ? -1 : 0); |
531 |
} |
532 |
|
533 |
|
534 |
putcbyte(col, fp) /* put a byte color to fp */ |
535 |
COLOR col; |
536 |
FILE *fp; |
537 |
{ |
538 |
register int i; |
539 |
BYTE vb[3]; |
540 |
|
541 |
i = colval(col,ord[0])*256.; |
542 |
vb[0] = min(i,255); |
543 |
i = colval(col,ord[1])*256.; |
544 |
vb[1] = min(i,255); |
545 |
i = colval(col,ord[2])*256.; |
546 |
vb[2] = min(i,255); |
547 |
fwrite((char *)vb, sizeof(BYTE), 3, fp); |
548 |
|
549 |
return(ferror(fp) ? -1 : 0); |
550 |
} |
551 |
|
552 |
|
553 |
putbascii(col, fp) /* put an ascii brightness to fp */ |
554 |
COLOR col; |
555 |
FILE *fp; |
556 |
{ |
557 |
fprintf(fp, "%15.3e\n", bright(col)); |
558 |
|
559 |
return(ferror(fp) ? -1 : 0); |
560 |
} |
561 |
|
562 |
|
563 |
putbfloat(col, fp) /* put a float brightness to fp */ |
564 |
COLOR col; |
565 |
FILE *fp; |
566 |
{ |
567 |
float vf; |
568 |
|
569 |
vf = bright(col); |
570 |
fwrite((char *)&vf, sizeof(float), 1, fp); |
571 |
|
572 |
return(ferror(fp) ? -1 : 0); |
573 |
} |
574 |
|
575 |
|
576 |
putbdouble(col, fp) /* put a double brightness to fp */ |
577 |
COLOR col; |
578 |
FILE *fp; |
579 |
{ |
580 |
double vd; |
581 |
|
582 |
vd = bright(col); |
583 |
fwrite((char *)&vd, sizeof(double), 1, fp); |
584 |
|
585 |
return(ferror(fp) ? -1 : 0); |
586 |
} |
587 |
|
588 |
|
589 |
putbint(col, fp) /* put an int brightness to fp */ |
590 |
COLOR col; |
591 |
FILE *fp; |
592 |
{ |
593 |
fprintf(fp, "%d\n", (int)(bright(col)*256.)); |
594 |
|
595 |
return(ferror(fp) ? -1 : 0); |
596 |
} |
597 |
|
598 |
|
599 |
putbbyte(col, fp) /* put a byte brightness to fp */ |
600 |
COLOR col; |
601 |
FILE *fp; |
602 |
{ |
603 |
register int i; |
604 |
BYTE vb; |
605 |
|
606 |
i = bright(col)*256.; |
607 |
vb = min(i,255); |
608 |
fwrite((char *)&vb, sizeof(BYTE), 1, fp); |
609 |
|
610 |
return(ferror(fp) ? -1 : 0); |
611 |
} |
612 |
|
613 |
|
614 |
set_io() /* set put and get functions */ |
615 |
{ |
616 |
switch (format) { |
617 |
case 'a': /* ascii */ |
618 |
if (brightonly) { |
619 |
getval = getbascii; |
620 |
putval = putbascii; |
621 |
} else { |
622 |
getval = getcascii; |
623 |
putval = putcascii; |
624 |
} |
625 |
return; |
626 |
case 'f': /* binary float */ |
627 |
if (brightonly) { |
628 |
getval = getbfloat; |
629 |
putval = putbfloat; |
630 |
} else { |
631 |
getval = getcfloat; |
632 |
putval = putcfloat; |
633 |
} |
634 |
return; |
635 |
case 'd': /* binary double */ |
636 |
if (brightonly) { |
637 |
getval = getbdouble; |
638 |
putval = putbdouble; |
639 |
} else { |
640 |
getval = getcdouble; |
641 |
putval = putcdouble; |
642 |
} |
643 |
return; |
644 |
case 'i': /* integer */ |
645 |
if (brightonly) { |
646 |
getval = getbint; |
647 |
putval = putbint; |
648 |
} else { |
649 |
getval = getcint; |
650 |
putval = putcint; |
651 |
} |
652 |
return; |
653 |
case 'b': /* byte */ |
654 |
if (brightonly) { |
655 |
getval = getbbyte; |
656 |
putval = putbbyte; |
657 |
} else { |
658 |
getval = getcbyte; |
659 |
putval = putcbyte; |
660 |
} |
661 |
return; |
662 |
} |
663 |
} |