| 1 |
/* Copyright (c) 1992 Regents of the University of California */ |
| 2 |
|
| 3 |
#ifndef lint |
| 4 |
static char SCCSid[] = "$SunId$ LBL"; |
| 5 |
#endif |
| 6 |
|
| 7 |
/* |
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* pvalue.c - program to print pixel values. |
| 9 |
* |
| 10 |
* 4/23/86 |
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*/ |
| 12 |
|
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#include "standard.h" |
| 14 |
|
| 15 |
#include "color.h" |
| 16 |
|
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#include "resolu.h" |
| 18 |
|
| 19 |
#define min(a,b) ((a)<(b)?(a):(b)) |
| 20 |
|
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RESOLU picres; /* resolution of picture */ |
| 22 |
|
| 23 |
int uniq = 0; /* print only unique values? */ |
| 24 |
|
| 25 |
int original = 0; /* convert back to original values? */ |
| 26 |
|
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int dataonly = 0; /* data only format? */ |
| 28 |
|
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int brightonly = 0; /* only brightness values? */ |
| 30 |
|
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int reverse = 0; /* reverse conversion? */ |
| 32 |
|
| 33 |
int format = 'a'; /* input/output format */ |
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char *fmtid = "ascii"; /* format identifier for header */ |
| 35 |
|
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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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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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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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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), |
| 299 |
(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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} |
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} |
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free((char *)scanln); |
| 308 |
} |
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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; |
| 316 |
register int x; |
| 317 |
|
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scanln = (COLOR *)malloc(scanlen(&picres)*sizeof(COLOR)); |
| 319 |
if (scanln == NULL) { |
| 320 |
fprintf(stderr, "%s: out of memory\n", progname); |
| 321 |
quit(1); |
| 322 |
} |
| 323 |
dogamma = gamcor < .95 || gamcor > 1.05; |
| 324 |
for (y = 0; y < numscans(&picres); y++) { |
| 325 |
for (x = 0; x < scanlen(&picres); x++) { |
| 326 |
if (!dataonly) |
| 327 |
fscanf(fin, "%*d %*d"); |
| 328 |
if ((*getval)(scanln[x], fin) < 0) { |
| 329 |
fprintf(stderr, "%s: read error\n", progname); |
| 330 |
quit(1); |
| 331 |
} |
| 332 |
if (dogamma) |
| 333 |
setcolor(scanln[x], |
| 334 |
pow(colval(scanln[x],RED), gamcor), |
| 335 |
pow(colval(scanln[x],GRN), gamcor), |
| 336 |
pow(colval(scanln[x],BLU), gamcor)); |
| 337 |
} |
| 338 |
if (fwritescan(scanln, scanlen(&picres), stdout) < 0) { |
| 339 |
fprintf(stderr, "%s: write error\n", progname); |
| 340 |
quit(1); |
| 341 |
} |
| 342 |
} |
| 343 |
free((char *)scanln); |
| 344 |
} |
| 345 |
|
| 346 |
|
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quit(code) |
| 348 |
int code; |
| 349 |
{ |
| 350 |
exit(code); |
| 351 |
} |
| 352 |
|
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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; |
| 357 |
{ |
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double vd[3]; |
| 359 |
|
| 360 |
if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
| 361 |
return(-1); |
| 362 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
| 363 |
return(0); |
| 364 |
} |
| 365 |
|
| 366 |
|
| 367 |
getcdouble(col, fp) /* get a double color value from fp */ |
| 368 |
COLOR col; |
| 369 |
FILE *fp; |
| 370 |
{ |
| 371 |
double vd[3]; |
| 372 |
|
| 373 |
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
| 374 |
return(-1); |
| 375 |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
| 376 |
return(0); |
| 377 |
} |
| 378 |
|
| 379 |
|
| 380 |
getcfloat(col, fp) /* get a float color value from fp */ |
| 381 |
COLOR col; |
| 382 |
FILE *fp; |
| 383 |
{ |
| 384 |
float vf[3]; |
| 385 |
|
| 386 |
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
| 387 |
return(-1); |
| 388 |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
| 389 |
return(0); |
| 390 |
} |
| 391 |
|
| 392 |
|
| 393 |
getcint(col, fp) /* get an int color value from fp */ |
| 394 |
COLOR col; |
| 395 |
FILE *fp; |
| 396 |
{ |
| 397 |
int vi[3]; |
| 398 |
|
| 399 |
if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
| 400 |
return(-1); |
| 401 |
setcolor(col, (vi[rord[RED]]+.5)/256., |
| 402 |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
| 403 |
return(0); |
| 404 |
} |
| 405 |
|
| 406 |
|
| 407 |
getcbyte(col, fp) /* get a byte color value from fp */ |
| 408 |
COLOR col; |
| 409 |
FILE *fp; |
| 410 |
{ |
| 411 |
BYTE vb[3]; |
| 412 |
|
| 413 |
if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
| 414 |
return(-1); |
| 415 |
setcolor(col, (vb[rord[RED]]+.5)/256., |
| 416 |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
| 417 |
return(0); |
| 418 |
} |
| 419 |
|
| 420 |
|
| 421 |
getbascii(col, fp) /* get an ascii brightness value from fp */ |
| 422 |
COLOR col; |
| 423 |
FILE *fp; |
| 424 |
{ |
| 425 |
double vd; |
| 426 |
|
| 427 |
if (fscanf(fp, "%lf", &vd) != 1) |
| 428 |
return(-1); |
| 429 |
setcolor(col, vd, vd, vd); |
| 430 |
return(0); |
| 431 |
} |
| 432 |
|
| 433 |
|
| 434 |
getbdouble(col, fp) /* get a double brightness value from fp */ |
| 435 |
COLOR col; |
| 436 |
FILE *fp; |
| 437 |
{ |
| 438 |
double vd; |
| 439 |
|
| 440 |
if (fread((char *)&vd, sizeof(double), 1, fp) != 1) |
| 441 |
return(-1); |
| 442 |
setcolor(col, vd, vd, vd); |
| 443 |
return(0); |
| 444 |
} |
| 445 |
|
| 446 |
|
| 447 |
getbfloat(col, fp) /* get a float brightness value from fp */ |
| 448 |
COLOR col; |
| 449 |
FILE *fp; |
| 450 |
{ |
| 451 |
float vf; |
| 452 |
|
| 453 |
if (fread((char *)&vf, sizeof(float), 1, fp) != 1) |
| 454 |
return(-1); |
| 455 |
setcolor(col, vf, vf, vf); |
| 456 |
return(0); |
| 457 |
} |
| 458 |
|
| 459 |
|
| 460 |
getbint(col, fp) /* get an int brightness value from fp */ |
| 461 |
COLOR col; |
| 462 |
FILE *fp; |
| 463 |
{ |
| 464 |
int vi; |
| 465 |
double d; |
| 466 |
|
| 467 |
if (fscanf(fp, "%d", &vi) != 1) |
| 468 |
return(-1); |
| 469 |
d = (vi+.5)/256.; |
| 470 |
setcolor(col, d, d, d); |
| 471 |
return(0); |
| 472 |
} |
| 473 |
|
| 474 |
|
| 475 |
getbbyte(col, fp) /* get a byte brightness value from fp */ |
| 476 |
COLOR col; |
| 477 |
FILE *fp; |
| 478 |
{ |
| 479 |
BYTE vb; |
| 480 |
double d; |
| 481 |
|
| 482 |
if (fread((char *)&vb, sizeof(BYTE), 1, fp) != 1) |
| 483 |
return(-1); |
| 484 |
d = (vb+.5)/256.; |
| 485 |
setcolor(col, d, d, d); |
| 486 |
return(0); |
| 487 |
} |
| 488 |
|
| 489 |
|
| 490 |
putcascii(col, fp) /* put an ascii color to fp */ |
| 491 |
COLOR col; |
| 492 |
FILE *fp; |
| 493 |
{ |
| 494 |
fprintf(fp, "%15.3e %15.3e %15.3e\n", |
| 495 |
colval(col,ord[0]), |
| 496 |
colval(col,ord[1]), |
| 497 |
colval(col,ord[2])); |
| 498 |
|
| 499 |
return(ferror(fp) ? -1 : 0); |
| 500 |
} |
| 501 |
|
| 502 |
|
| 503 |
putcfloat(col, fp) /* put a float color to fp */ |
| 504 |
COLOR col; |
| 505 |
FILE *fp; |
| 506 |
{ |
| 507 |
float vf[3]; |
| 508 |
|
| 509 |
vf[0] = colval(col,ord[0]); |
| 510 |
vf[1] = colval(col,ord[1]); |
| 511 |
vf[2] = colval(col,ord[2]); |
| 512 |
fwrite((char *)vf, sizeof(float), 3, fp); |
| 513 |
|
| 514 |
return(ferror(fp) ? -1 : 0); |
| 515 |
} |
| 516 |
|
| 517 |
|
| 518 |
putcdouble(col, fp) /* put a double color to fp */ |
| 519 |
COLOR col; |
| 520 |
FILE *fp; |
| 521 |
{ |
| 522 |
double vd[3]; |
| 523 |
|
| 524 |
vd[0] = colval(col,ord[0]); |
| 525 |
vd[1] = colval(col,ord[1]); |
| 526 |
vd[2] = colval(col,ord[2]); |
| 527 |
fwrite((char *)vd, sizeof(double), 3, fp); |
| 528 |
|
| 529 |
return(ferror(fp) ? -1 : 0); |
| 530 |
} |
| 531 |
|
| 532 |
|
| 533 |
putcint(col, fp) /* put an int color to fp */ |
| 534 |
COLOR col; |
| 535 |
FILE *fp; |
| 536 |
{ |
| 537 |
fprintf(fp, "%d %d %d\n", |
| 538 |
(int)(colval(col,ord[0])*256.), |
| 539 |
(int)(colval(col,ord[1])*256.), |
| 540 |
(int)(colval(col,ord[2])*256.)); |
| 541 |
|
| 542 |
return(ferror(fp) ? -1 : 0); |
| 543 |
} |
| 544 |
|
| 545 |
|
| 546 |
putcbyte(col, fp) /* put a byte color to fp */ |
| 547 |
COLOR col; |
| 548 |
FILE *fp; |
| 549 |
{ |
| 550 |
register int i; |
| 551 |
BYTE vb[3]; |
| 552 |
|
| 553 |
i = colval(col,ord[0])*256.; |
| 554 |
vb[0] = min(i,255); |
| 555 |
i = colval(col,ord[1])*256.; |
| 556 |
vb[1] = min(i,255); |
| 557 |
i = colval(col,ord[2])*256.; |
| 558 |
vb[2] = min(i,255); |
| 559 |
fwrite((char *)vb, sizeof(BYTE), 3, fp); |
| 560 |
|
| 561 |
return(ferror(fp) ? -1 : 0); |
| 562 |
} |
| 563 |
|
| 564 |
|
| 565 |
putbascii(col, fp) /* put an ascii brightness to fp */ |
| 566 |
COLOR col; |
| 567 |
FILE *fp; |
| 568 |
{ |
| 569 |
fprintf(fp, "%15.3e\n", bright(col)); |
| 570 |
|
| 571 |
return(ferror(fp) ? -1 : 0); |
| 572 |
} |
| 573 |
|
| 574 |
|
| 575 |
putbfloat(col, fp) /* put a float brightness to fp */ |
| 576 |
COLOR col; |
| 577 |
FILE *fp; |
| 578 |
{ |
| 579 |
float vf; |
| 580 |
|
| 581 |
vf = bright(col); |
| 582 |
fwrite((char *)&vf, sizeof(float), 1, fp); |
| 583 |
|
| 584 |
return(ferror(fp) ? -1 : 0); |
| 585 |
} |
| 586 |
|
| 587 |
|
| 588 |
putbdouble(col, fp) /* put a double brightness to fp */ |
| 589 |
COLOR col; |
| 590 |
FILE *fp; |
| 591 |
{ |
| 592 |
double vd; |
| 593 |
|
| 594 |
vd = bright(col); |
| 595 |
fwrite((char *)&vd, sizeof(double), 1, fp); |
| 596 |
|
| 597 |
return(ferror(fp) ? -1 : 0); |
| 598 |
} |
| 599 |
|
| 600 |
|
| 601 |
putbint(col, fp) /* put an int brightness to fp */ |
| 602 |
COLOR col; |
| 603 |
FILE *fp; |
| 604 |
{ |
| 605 |
fprintf(fp, "%d\n", (int)(bright(col)*256.)); |
| 606 |
|
| 607 |
return(ferror(fp) ? -1 : 0); |
| 608 |
} |
| 609 |
|
| 610 |
|
| 611 |
putbbyte(col, fp) /* put a byte brightness to fp */ |
| 612 |
COLOR col; |
| 613 |
FILE *fp; |
| 614 |
{ |
| 615 |
register int i; |
| 616 |
BYTE vb; |
| 617 |
|
| 618 |
i = bright(col)*256.; |
| 619 |
vb = min(i,255); |
| 620 |
fwrite((char *)&vb, sizeof(BYTE), 1, fp); |
| 621 |
|
| 622 |
return(ferror(fp) ? -1 : 0); |
| 623 |
} |
| 624 |
|
| 625 |
|
| 626 |
set_io() /* set put and get functions */ |
| 627 |
{ |
| 628 |
switch (format) { |
| 629 |
case 'a': /* ascii */ |
| 630 |
if (brightonly) { |
| 631 |
getval = getbascii; |
| 632 |
putval = putbascii; |
| 633 |
} else { |
| 634 |
getval = getcascii; |
| 635 |
putval = putcascii; |
| 636 |
} |
| 637 |
return; |
| 638 |
case 'f': /* binary float */ |
| 639 |
if (brightonly) { |
| 640 |
getval = getbfloat; |
| 641 |
putval = putbfloat; |
| 642 |
} else { |
| 643 |
getval = getcfloat; |
| 644 |
putval = putcfloat; |
| 645 |
} |
| 646 |
return; |
| 647 |
case 'd': /* binary double */ |
| 648 |
if (brightonly) { |
| 649 |
getval = getbdouble; |
| 650 |
putval = putbdouble; |
| 651 |
} else { |
| 652 |
getval = getcdouble; |
| 653 |
putval = putcdouble; |
| 654 |
} |
| 655 |
return; |
| 656 |
case 'i': /* integer */ |
| 657 |
if (brightonly) { |
| 658 |
getval = getbint; |
| 659 |
putval = putbint; |
| 660 |
} else { |
| 661 |
getval = getcint; |
| 662 |
putval = putcint; |
| 663 |
} |
| 664 |
return; |
| 665 |
case 'b': /* byte */ |
| 666 |
if (brightonly) { |
| 667 |
getval = getbbyte; |
| 668 |
putval = putbbyte; |
| 669 |
} else { |
| 670 |
getval = getcbyte; |
| 671 |
putval = putcbyte; |
| 672 |
} |
| 673 |
return; |
| 674 |
} |
| 675 |
} |
