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- /* Copyright (c) 1988 Regents of the University of California */
-
- #ifndef lint
- static char SCCSid[] = "@(#)ra_im.c 2.1 11/12/91 LBL";
- #endif
-
- /*
- * ra_im.c - convert Radiance picture to imagetools raw format.
- *
- * 9/16/88
- */
-
- #include <stdio.h>
-
-
- #define PCOMM "pvalue -h -b -db"
-
- #define MINVAL 1
- #define MAXVAL 252
-
- extern FILE *popen(), *freopen();
-
-
- main(argc, argv)
- int argc;
- char *argv[];
- {
- register int c;
- register FILE *fp;
-
- if (argc > 3) {
- fputs("Usage: ", stderr);
- fputs(argv[0], stderr);
- fputs(" [infile [outfile]]\n", stderr);
- exit(1);
- }
- if (argc > 1 && freopen(argv[1], "r", stdin) == NULL) {
- perror(argv[1]);
- exit(1);
- }
- if (argc > 2 && freopen(argv[2], "w", stdout) == NULL) {
- perror(argv[2]);
- exit(1);
- }
- if ((fp = popen(PCOMM, "r")) == NULL) {
- perror(argv[0]);
- exit(1);
- }
- while ((c = getc(fp)) != EOF) {
- if (c < MINVAL)
- putc(MINVAL, stdout);
- else if (c > MAXVAL)
- putc(MAXVAL, stdout);
- else
- putc(c, stdout);
- }
- exit(pclose(fp));
- }
-