| 1 |
greg |
1.1 |
/* Copyright (c) 1988 Regents of the University of California */ |
| 2 |
|
|
|
| 3 |
|
|
#ifndef lint |
| 4 |
|
|
static char SCCSid[] = "$SunId$ LBL"; |
| 5 |
|
|
#endif |
| 6 |
|
|
|
| 7 |
|
|
/* |
| 8 |
|
|
* ra_im.c - convert Radiance picture to imagetools raw format. |
| 9 |
|
|
* |
| 10 |
|
|
* 9/16/88 |
| 11 |
|
|
*/ |
| 12 |
|
|
|
| 13 |
|
|
#include <stdio.h> |
| 14 |
|
|
|
| 15 |
|
|
|
| 16 |
|
|
#define PCOMM "pvalue -h -b -db" |
| 17 |
|
|
|
| 18 |
|
|
#define MINVAL 1 |
| 19 |
|
|
#define MAXVAL 252 |
| 20 |
|
|
|
| 21 |
|
|
extern FILE *popen(), *freopen(); |
| 22 |
|
|
|
| 23 |
|
|
|
| 24 |
|
|
main(argc, argv) |
| 25 |
|
|
int argc; |
| 26 |
|
|
char *argv[]; |
| 27 |
|
|
{ |
| 28 |
|
|
register int c; |
| 29 |
|
|
register FILE *fp; |
| 30 |
|
|
|
| 31 |
|
|
if (argc > 3) { |
| 32 |
|
|
fputs("Usage: ", stderr); |
| 33 |
|
|
fputs(argv[0], stderr); |
| 34 |
|
|
fputs(" [infile [outfile]]\n", stderr); |
| 35 |
|
|
exit(1); |
| 36 |
|
|
} |
| 37 |
|
|
if (argc > 1 && freopen(argv[1], "r", stdin) == NULL) { |
| 38 |
|
|
perror(argv[1]); |
| 39 |
|
|
exit(1); |
| 40 |
|
|
} |
| 41 |
|
|
if (argc > 2 && freopen(argv[2], "w", stdout) == NULL) { |
| 42 |
|
|
perror(argv[2]); |
| 43 |
|
|
exit(1); |
| 44 |
|
|
} |
| 45 |
|
|
if ((fp = popen(PCOMM, "r")) == NULL) { |
| 46 |
|
|
perror(argv[0]); |
| 47 |
|
|
exit(1); |
| 48 |
|
|
} |
| 49 |
|
|
while ((c = getc(fp)) != EOF) { |
| 50 |
|
|
if (c < MINVAL) |
| 51 |
|
|
putc(MINVAL, stdout); |
| 52 |
|
|
else if (c > MAXVAL) |
| 53 |
|
|
putc(MAXVAL, stdout); |
| 54 |
|
|
else |
| 55 |
|
|
putc(c, stdout); |
| 56 |
|
|
} |
| 57 |
|
|
exit(pclose(fp)); |
| 58 |
|
|
} |
