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/* Copyright (c) 1992 Regents of the University of California */ |
2 |
|
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#ifndef lint |
4 |
static char SCCSid[] = "$SunId$ LBL"; |
5 |
#endif |
6 |
|
7 |
/* |
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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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*/ |
12 |
|
13 |
#include "standard.h" |
14 |
|
15 |
#include "color.h" |
16 |
|
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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 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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|
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int brightonly = 0; /* only brightness values? */ |
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|
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int reverse = 0; /* reverse conversion? */ |
32 |
|
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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 original = 0; /* convert to original values? */ |
41 |
|
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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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double d, expval = 1.0; |
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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+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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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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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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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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#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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/* 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); /* 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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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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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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|
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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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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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|
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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)); |
288 |
if (scanln == NULL) { |
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fprintf(stderr, "%s: out of memory\n", progname); |
290 |
quit(1); |
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} |
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dogamma = gamcor < .95 || gamcor > 1.05; |
293 |
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); |
297 |
quit(1); |
298 |
} |
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for (x = 0; x < scanlen(&picres); x++) { |
300 |
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) == |
306 |
colval(lastc,BLU) ) |
307 |
continue; |
308 |
else |
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copycolor(lastc, scanln[x]); |
310 |
if (doexposure) |
311 |
multcolor(scanln[x], exposure); |
312 |
if (dogamma) |
313 |
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), |
316 |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
317 |
if (!dataonly) { |
318 |
pix2loc(hv, &picres, x, y); |
319 |
printf("%7d %7d ", (int)(hv[0]*picres.xr), |
320 |
(int)(hv[1]*picres.yr)); |
321 |
} |
322 |
if ((*putval)(scanln[x], stdout) < 0) { |
323 |
fprintf(stderr, "%s: write error\n", progname); |
324 |
quit(1); |
325 |
} |
326 |
} |
327 |
} |
328 |
free((char *)scanln); |
329 |
} |
330 |
|
331 |
|
332 |
valtopix() /* convert values to a pixel file */ |
333 |
{ |
334 |
int dogamma; |
335 |
register COLOR *scanln; |
336 |
int y; |
337 |
register int x; |
338 |
|
339 |
scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
340 |
if (scanln == NULL) { |
341 |
fprintf(stderr, "%s: out of memory\n", progname); |
342 |
quit(1); |
343 |
} |
344 |
dogamma = gamcor < .95 || gamcor > 1.05; |
345 |
for (y = 0; y < numscans(&picres); y++) { |
346 |
for (x = 0; x < scanlen(&picres); x++) { |
347 |
if (!dataonly) |
348 |
fscanf(fin, "%*d %*d"); |
349 |
if ((*getval)(scanln[x], fin) < 0) { |
350 |
fprintf(stderr, "%s: read error\n", progname); |
351 |
quit(1); |
352 |
} |
353 |
if (dogamma) |
354 |
setcolor(scanln[x], |
355 |
pow(colval(scanln[x],RED), gamcor), |
356 |
pow(colval(scanln[x],GRN), gamcor), |
357 |
pow(colval(scanln[x],BLU), gamcor)); |
358 |
if (doexposure) |
359 |
multcolor(scanln[x], exposure); |
360 |
} |
361 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
362 |
fprintf(stderr, "%s: write error\n", progname); |
363 |
quit(1); |
364 |
} |
365 |
} |
366 |
free((char *)scanln); |
367 |
} |
368 |
|
369 |
|
370 |
quit(code) |
371 |
int code; |
372 |
{ |
373 |
exit(code); |
374 |
} |
375 |
|
376 |
|
377 |
getcascii(col, fp) /* get an ascii color value from fp */ |
378 |
COLOR col; |
379 |
FILE *fp; |
380 |
{ |
381 |
double vd[3]; |
382 |
|
383 |
if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
384 |
return(-1); |
385 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
386 |
return(0); |
387 |
} |
388 |
|
389 |
|
390 |
getcdouble(col, fp) /* get a double color value from fp */ |
391 |
COLOR col; |
392 |
FILE *fp; |
393 |
{ |
394 |
double vd[3]; |
395 |
|
396 |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
397 |
return(-1); |
398 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
399 |
return(0); |
400 |
} |
401 |
|
402 |
|
403 |
getcfloat(col, fp) /* get a float color value from fp */ |
404 |
COLOR col; |
405 |
FILE *fp; |
406 |
{ |
407 |
float vf[3]; |
408 |
|
409 |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
410 |
return(-1); |
411 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
412 |
return(0); |
413 |
} |
414 |
|
415 |
|
416 |
getcint(col, fp) /* get an int color value from fp */ |
417 |
COLOR col; |
418 |
FILE *fp; |
419 |
{ |
420 |
int vi[3]; |
421 |
|
422 |
if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
423 |
return(-1); |
424 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
425 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
426 |
return(0); |
427 |
} |
428 |
|
429 |
|
430 |
getcbyte(col, fp) /* get a byte color value from fp */ |
431 |
COLOR col; |
432 |
FILE *fp; |
433 |
{ |
434 |
BYTE vb[3]; |
435 |
|
436 |
if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
437 |
return(-1); |
438 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
439 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
440 |
return(0); |
441 |
} |
442 |
|
443 |
|
444 |
getbascii(col, fp) /* get an ascii brightness value from fp */ |
445 |
COLOR col; |
446 |
FILE *fp; |
447 |
{ |
448 |
double vd; |
449 |
|
450 |
if (fscanf(fp, "%lf", &vd) != 1) |
451 |
return(-1); |
452 |
setcolor(col, vd, vd, vd); |
453 |
return(0); |
454 |
} |
455 |
|
456 |
|
457 |
getbdouble(col, fp) /* get a double brightness value from fp */ |
458 |
COLOR col; |
459 |
FILE *fp; |
460 |
{ |
461 |
double vd; |
462 |
|
463 |
if (fread((char *)&vd, sizeof(double), 1, fp) != 1) |
464 |
return(-1); |
465 |
setcolor(col, vd, vd, vd); |
466 |
return(0); |
467 |
} |
468 |
|
469 |
|
470 |
getbfloat(col, fp) /* get a float brightness value from fp */ |
471 |
COLOR col; |
472 |
FILE *fp; |
473 |
{ |
474 |
float vf; |
475 |
|
476 |
if (fread((char *)&vf, sizeof(float), 1, fp) != 1) |
477 |
return(-1); |
478 |
setcolor(col, vf, vf, vf); |
479 |
return(0); |
480 |
} |
481 |
|
482 |
|
483 |
getbint(col, fp) /* get an int brightness value from fp */ |
484 |
COLOR col; |
485 |
FILE *fp; |
486 |
{ |
487 |
int vi; |
488 |
double d; |
489 |
|
490 |
if (fscanf(fp, "%d", &vi) != 1) |
491 |
return(-1); |
492 |
d = (vi+.5)/256.; |
493 |
setcolor(col, d, d, d); |
494 |
return(0); |
495 |
} |
496 |
|
497 |
|
498 |
getbbyte(col, fp) /* get a byte brightness value from fp */ |
499 |
COLOR col; |
500 |
FILE *fp; |
501 |
{ |
502 |
BYTE vb; |
503 |
double d; |
504 |
|
505 |
if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1) |
506 |
return(-1); |
507 |
d = (vb+.5)/256.; |
508 |
setcolor(col, d, d, d); |
509 |
return(0); |
510 |
} |
511 |
|
512 |
|
513 |
putcascii(col, fp) /* put an ascii color to fp */ |
514 |
COLOR col; |
515 |
FILE *fp; |
516 |
{ |
517 |
fprintf(fp, "%15.3e %15.3e %15.3e\n", |
518 |
colval(col,ord[0]), |
519 |
colval(col,ord[1]), |
520 |
colval(col,ord[2])); |
521 |
|
522 |
return(ferror(fp) ? -1 : 0); |
523 |
} |
524 |
|
525 |
|
526 |
putcfloat(col, fp) /* put a float color to fp */ |
527 |
COLOR col; |
528 |
FILE *fp; |
529 |
{ |
530 |
float vf[3]; |
531 |
|
532 |
vf[0] = colval(col,ord[0]); |
533 |
vf[1] = colval(col,ord[1]); |
534 |
vf[2] = colval(col,ord[2]); |
535 |
fwrite((char *)vf, sizeof(float), 3, fp); |
536 |
|
537 |
return(ferror(fp) ? -1 : 0); |
538 |
} |
539 |
|
540 |
|
541 |
putcdouble(col, fp) /* put a double color to fp */ |
542 |
COLOR col; |
543 |
FILE *fp; |
544 |
{ |
545 |
double vd[3]; |
546 |
|
547 |
vd[0] = colval(col,ord[0]); |
548 |
vd[1] = colval(col,ord[1]); |
549 |
vd[2] = colval(col,ord[2]); |
550 |
fwrite((char *)vd, sizeof(double), 3, fp); |
551 |
|
552 |
return(ferror(fp) ? -1 : 0); |
553 |
} |
554 |
|
555 |
|
556 |
putcint(col, fp) /* put an int color to fp */ |
557 |
COLOR col; |
558 |
FILE *fp; |
559 |
{ |
560 |
fprintf(fp, "%d %d %d\n", |
561 |
(int)(colval(col,ord[0])*256.), |
562 |
(int)(colval(col,ord[1])*256.), |
563 |
(int)(colval(col,ord[2])*256.)); |
564 |
|
565 |
return(ferror(fp) ? -1 : 0); |
566 |
} |
567 |
|
568 |
|
569 |
putcbyte(col, fp) /* put a byte color to fp */ |
570 |
COLOR col; |
571 |
FILE *fp; |
572 |
{ |
573 |
register int i; |
574 |
BYTE vb[3]; |
575 |
|
576 |
i = colval(col,ord[0])*256.; |
577 |
vb[0] = min(i,255); |
578 |
i = colval(col,ord[1])*256.; |
579 |
vb[1] = min(i,255); |
580 |
i = colval(col,ord[2])*256.; |
581 |
vb[2] = min(i,255); |
582 |
fwrite((char *)vb, sizeof(BYTE), 3, fp); |
583 |
|
584 |
return(ferror(fp) ? -1 : 0); |
585 |
} |
586 |
|
587 |
|
588 |
putbascii(col, fp) /* put an ascii brightness to fp */ |
589 |
COLOR col; |
590 |
FILE *fp; |
591 |
{ |
592 |
fprintf(fp, "%15.3e\n", bright(col)); |
593 |
|
594 |
return(ferror(fp) ? -1 : 0); |
595 |
} |
596 |
|
597 |
|
598 |
putbfloat(col, fp) /* put a float brightness to fp */ |
599 |
COLOR col; |
600 |
FILE *fp; |
601 |
{ |
602 |
float vf; |
603 |
|
604 |
vf = bright(col); |
605 |
fwrite((char *)&vf, sizeof(float), 1, fp); |
606 |
|
607 |
return(ferror(fp) ? -1 : 0); |
608 |
} |
609 |
|
610 |
|
611 |
putbdouble(col, fp) /* put a double brightness to fp */ |
612 |
COLOR col; |
613 |
FILE *fp; |
614 |
{ |
615 |
double vd; |
616 |
|
617 |
vd = bright(col); |
618 |
fwrite((char *)&vd, sizeof(double), 1, fp); |
619 |
|
620 |
return(ferror(fp) ? -1 : 0); |
621 |
} |
622 |
|
623 |
|
624 |
putbint(col, fp) /* put an int brightness to fp */ |
625 |
COLOR col; |
626 |
FILE *fp; |
627 |
{ |
628 |
fprintf(fp, "%d\n", (int)(bright(col)*256.)); |
629 |
|
630 |
return(ferror(fp) ? -1 : 0); |
631 |
} |
632 |
|
633 |
|
634 |
putbbyte(col, fp) /* put a byte brightness to fp */ |
635 |
COLOR col; |
636 |
FILE *fp; |
637 |
{ |
638 |
register int i; |
639 |
BYTE vb; |
640 |
|
641 |
i = bright(col)*256.; |
642 |
vb = min(i,255); |
643 |
fwrite((char *)&vb, sizeof(BYTE), 1, fp); |
644 |
|
645 |
return(ferror(fp) ? -1 : 0); |
646 |
} |
647 |
|
648 |
|
649 |
set_io() /* set put and get functions */ |
650 |
{ |
651 |
switch (format) { |
652 |
case 'a': /* ascii */ |
653 |
if (brightonly) { |
654 |
getval = getbascii; |
655 |
putval = putbascii; |
656 |
} else { |
657 |
getval = getcascii; |
658 |
putval = putcascii; |
659 |
} |
660 |
return; |
661 |
case 'f': /* binary float */ |
662 |
if (brightonly) { |
663 |
getval = getbfloat; |
664 |
putval = putbfloat; |
665 |
} else { |
666 |
getval = getcfloat; |
667 |
putval = putcfloat; |
668 |
} |
669 |
return; |
670 |
case 'd': /* binary double */ |
671 |
if (brightonly) { |
672 |
getval = getbdouble; |
673 |
putval = putbdouble; |
674 |
} else { |
675 |
getval = getcdouble; |
676 |
putval = putcdouble; |
677 |
} |
678 |
return; |
679 |
case 'i': /* integer */ |
680 |
if (brightonly) { |
681 |
getval = getbint; |
682 |
putval = putbint; |
683 |
} else { |
684 |
getval = getcint; |
685 |
putval = putcint; |
686 |
} |
687 |
return; |
688 |
case 'b': /* byte */ |
689 |
if (brightonly) { |
690 |
getval = getbbyte; |
691 |
putval = putbbyte; |
692 |
} else { |
693 |
getval = getcbyte; |
694 |
putval = putcbyte; |
695 |
} |
696 |
return; |
697 |
} |
698 |
} |