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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" |
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|
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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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|
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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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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 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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|
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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)); |
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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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} |
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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++) { |
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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), |
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(int)(hv[1]*picres.yr)); |
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} |
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if ((*putval)(scanln[x], stdout) < 0) { |
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fprintf(stderr, "%s: write error\n", progname); |
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quit(1); |
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} |
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} |
280 |
} |
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free((char *)scanln); |
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} |
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|
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|
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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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int y; |
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register int x; |
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|
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scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
293 |
if (scanln == NULL) { |
294 |
fprintf(stderr, "%s: out of memory\n", progname); |
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quit(1); |
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} |
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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) |
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fscanf(fin, "%*d %*d"); |
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if ((*getval)(scanln[x], 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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if (dogamma) |
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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)); |
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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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quit(1); |
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} |
316 |
} |
317 |
free((char *)scanln); |
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} |
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|
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|
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quit(code) |
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int code; |
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{ |
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exit(code); |
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} |
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|
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|
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getcascii(col, fp) /* get an ascii color value from fp */ |
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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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|
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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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return(0); |
338 |
} |
339 |
|
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|
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getcdouble(col, fp) /* get a double color value from fp */ |
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COLOR col; |
343 |
FILE *fp; |
344 |
{ |
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double vd[3]; |
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|
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if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
348 |
return(-1); |
349 |
setcolor(col, vd[0], vd[1], vd[2]); |
350 |
return(0); |
351 |
} |
352 |
|
353 |
|
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getcfloat(col, fp) /* get a float color value from fp */ |
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COLOR col; |
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FILE *fp; |
357 |
{ |
358 |
float vf[3]; |
359 |
|
360 |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
361 |
return(-1); |
362 |
setcolor(col, vf[0], vf[1], vf[2]); |
363 |
return(0); |
364 |
} |
365 |
|
366 |
|
367 |
getcint(col, fp) /* get an int color value from fp */ |
368 |
COLOR col; |
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FILE *fp; |
370 |
{ |
371 |
int vi[3]; |
372 |
|
373 |
if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
374 |
return(-1); |
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setcolor(col,(vi[0]+.5)/256.,(vi[1]+.5)/256.,(vi[2]+.5)/256.); |
376 |
return(0); |
377 |
} |
378 |
|
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|
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getcbyte(col, fp) /* get a byte color value from fp */ |
381 |
COLOR col; |
382 |
FILE *fp; |
383 |
{ |
384 |
BYTE vb[3]; |
385 |
|
386 |
if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
387 |
return(-1); |
388 |
setcolor(col,(vb[0]+.5)/256.,(vb[1]+.5)/256.,(vb[2]+.5)/256.); |
389 |
return(0); |
390 |
} |
391 |
|
392 |
|
393 |
getbascii(col, fp) /* get an ascii brightness value from fp */ |
394 |
COLOR col; |
395 |
FILE *fp; |
396 |
{ |
397 |
double vd; |
398 |
|
399 |
if (fscanf(fp, "%lf", &vd) != 1) |
400 |
return(-1); |
401 |
setcolor(col, vd, vd, vd); |
402 |
return(0); |
403 |
} |
404 |
|
405 |
|
406 |
getbdouble(col, fp) /* get a double brightness value from fp */ |
407 |
COLOR col; |
408 |
FILE *fp; |
409 |
{ |
410 |
double vd; |
411 |
|
412 |
if (fread((char *)&vd, sizeof(double), 1, fp) != 1) |
413 |
return(-1); |
414 |
setcolor(col, vd, vd, vd); |
415 |
return(0); |
416 |
} |
417 |
|
418 |
|
419 |
getbfloat(col, fp) /* get a float brightness value from fp */ |
420 |
COLOR col; |
421 |
FILE *fp; |
422 |
{ |
423 |
float vf; |
424 |
|
425 |
if (fread((char *)&vf, sizeof(float), 1, fp) != 1) |
426 |
return(-1); |
427 |
setcolor(col, vf, vf, vf); |
428 |
return(0); |
429 |
} |
430 |
|
431 |
|
432 |
getbint(col, fp) /* get an int brightness value from fp */ |
433 |
COLOR col; |
434 |
FILE *fp; |
435 |
{ |
436 |
int vi; |
437 |
double d; |
438 |
|
439 |
if (fscanf(fp, "%d", &vi) != 1) |
440 |
return(-1); |
441 |
d = (vi+.5)/256.; |
442 |
setcolor(col, d, d, d); |
443 |
return(0); |
444 |
} |
445 |
|
446 |
|
447 |
getbbyte(col, fp) /* get a byte brightness value from fp */ |
448 |
COLOR col; |
449 |
FILE *fp; |
450 |
{ |
451 |
BYTE vb; |
452 |
double d; |
453 |
|
454 |
if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1) |
455 |
return(-1); |
456 |
d = (vb+.5)/256.; |
457 |
setcolor(col, d, d, d); |
458 |
return(0); |
459 |
} |
460 |
|
461 |
|
462 |
putcascii(col, fp) /* put an ascii color to fp */ |
463 |
COLOR col; |
464 |
FILE *fp; |
465 |
{ |
466 |
fprintf(fp, "%15.3e %15.3e %15.3e\n", |
467 |
colval(col,RED), |
468 |
colval(col,GRN), |
469 |
colval(col,BLU)); |
470 |
|
471 |
return(ferror(fp) ? -1 : 0); |
472 |
} |
473 |
|
474 |
|
475 |
putcfloat(col, fp) /* put a float color to fp */ |
476 |
COLOR col; |
477 |
FILE *fp; |
478 |
{ |
479 |
float vf[3]; |
480 |
|
481 |
vf[0] = colval(col,RED); |
482 |
vf[1] = colval(col,GRN); |
483 |
vf[2] = colval(col,BLU); |
484 |
fwrite((char *)vf, sizeof(float), 3, fp); |
485 |
|
486 |
return(ferror(fp) ? -1 : 0); |
487 |
} |
488 |
|
489 |
|
490 |
putcdouble(col, fp) /* put a double color to fp */ |
491 |
COLOR col; |
492 |
FILE *fp; |
493 |
{ |
494 |
double vd[3]; |
495 |
|
496 |
vd[0] = colval(col,RED); |
497 |
vd[1] = colval(col,GRN); |
498 |
vd[2] = colval(col,BLU); |
499 |
fwrite((char *)vd, sizeof(double), 3, fp); |
500 |
|
501 |
return(ferror(fp) ? -1 : 0); |
502 |
} |
503 |
|
504 |
|
505 |
putcint(col, fp) /* put an int color to fp */ |
506 |
COLOR col; |
507 |
FILE *fp; |
508 |
{ |
509 |
fprintf(fp, "%d %d %d\n", |
510 |
(int)(colval(col,RED)*256.), |
511 |
(int)(colval(col,GRN)*256.), |
512 |
(int)(colval(col,BLU)*256.)); |
513 |
|
514 |
return(ferror(fp) ? -1 : 0); |
515 |
} |
516 |
|
517 |
|
518 |
putcbyte(col, fp) /* put a byte color to fp */ |
519 |
COLOR col; |
520 |
FILE *fp; |
521 |
{ |
522 |
register int i; |
523 |
BYTE vb[3]; |
524 |
|
525 |
i = colval(col,RED)*256.; |
526 |
vb[0] = min(i,255); |
527 |
i = colval(col,GRN)*256.; |
528 |
vb[1] = min(i,255); |
529 |
i = colval(col,BLU)*256.; |
530 |
vb[2] = min(i,255); |
531 |
fwrite((char *)vb, sizeof(BYTE), 3, fp); |
532 |
|
533 |
return(ferror(fp) ? -1 : 0); |
534 |
} |
535 |
|
536 |
|
537 |
putbascii(col, fp) /* put an ascii brightness to fp */ |
538 |
COLOR col; |
539 |
FILE *fp; |
540 |
{ |
541 |
fprintf(fp, "%15.3e\n", bright(col)); |
542 |
|
543 |
return(ferror(fp) ? -1 : 0); |
544 |
} |
545 |
|
546 |
|
547 |
putbfloat(col, fp) /* put a float brightness to fp */ |
548 |
COLOR col; |
549 |
FILE *fp; |
550 |
{ |
551 |
float vf; |
552 |
|
553 |
vf = bright(col); |
554 |
fwrite((char *)&vf, sizeof(float), 1, fp); |
555 |
|
556 |
return(ferror(fp) ? -1 : 0); |
557 |
} |
558 |
|
559 |
|
560 |
putbdouble(col, fp) /* put a double brightness to fp */ |
561 |
COLOR col; |
562 |
FILE *fp; |
563 |
{ |
564 |
double vd; |
565 |
|
566 |
vd = bright(col); |
567 |
fwrite((char *)&vd, sizeof(double), 1, fp); |
568 |
|
569 |
return(ferror(fp) ? -1 : 0); |
570 |
} |
571 |
|
572 |
|
573 |
putbint(col, fp) /* put an int brightness to fp */ |
574 |
COLOR col; |
575 |
FILE *fp; |
576 |
{ |
577 |
fprintf(fp, "%d\n", (int)(bright(col)*256.)); |
578 |
|
579 |
return(ferror(fp) ? -1 : 0); |
580 |
} |
581 |
|
582 |
|
583 |
putbbyte(col, fp) /* put a byte brightness to fp */ |
584 |
COLOR col; |
585 |
FILE *fp; |
586 |
{ |
587 |
register int i; |
588 |
BYTE vb; |
589 |
|
590 |
i = bright(col)*256.; |
591 |
vb = min(i,255); |
592 |
fwrite((char *)&vb, sizeof(BYTE), 1, fp); |
593 |
|
594 |
return(ferror(fp) ? -1 : 0); |
595 |
} |
596 |
|
597 |
|
598 |
set_io() /* set put and get functions */ |
599 |
{ |
600 |
switch (format) { |
601 |
case 'a': /* ascii */ |
602 |
if (brightonly) { |
603 |
getval = getbascii; |
604 |
putval = putbascii; |
605 |
} else { |
606 |
getval = getcascii; |
607 |
putval = putcascii; |
608 |
} |
609 |
return; |
610 |
case 'f': /* binary float */ |
611 |
if (brightonly) { |
612 |
getval = getbfloat; |
613 |
putval = putbfloat; |
614 |
} else { |
615 |
getval = getcfloat; |
616 |
putval = putcfloat; |
617 |
} |
618 |
return; |
619 |
case 'd': /* binary double */ |
620 |
if (brightonly) { |
621 |
getval = getbdouble; |
622 |
putval = putbdouble; |
623 |
} else { |
624 |
getval = getcdouble; |
625 |
putval = putcdouble; |
626 |
} |
627 |
return; |
628 |
case 'i': /* integer */ |
629 |
if (brightonly) { |
630 |
getval = getbint; |
631 |
putval = putbint; |
632 |
} else { |
633 |
getval = getcint; |
634 |
putval = putcint; |
635 |
} |
636 |
return; |
637 |
case 'b': /* byte */ |
638 |
if (brightonly) { |
639 |
getval = getbbyte; |
640 |
putval = putbbyte; |
641 |
} else { |
642 |
getval = getcbyte; |
643 |
putval = putcbyte; |
644 |
} |
645 |
return; |
646 |
} |
647 |
} |