| 1 |
greg |
2.2 |
/* Copyright (c) 1992 Regents of the University of California */ |
| 2 |
greg |
1.1 |
|
| 3 |
|
|
#ifndef lint |
| 4 |
|
|
static char SCCSid[] = "$SunId$ LBL"; |
| 5 |
|
|
#endif |
| 6 |
|
|
|
| 7 |
|
|
/* |
| 8 |
|
|
* program to convert from RADIANCE RLE to flat format |
| 9 |
|
|
*/ |
| 10 |
|
|
|
| 11 |
|
|
#include <stdio.h> |
| 12 |
greg |
2.4 |
#include <math.h> |
| 13 |
|
|
#include "color.h" |
| 14 |
|
|
#include "resolu.h" |
| 15 |
|
|
|
| 16 |
greg |
2.3 |
#ifdef MSDOS |
| 17 |
|
|
#include <fcntl.h> |
| 18 |
|
|
#endif |
| 19 |
greg |
1.1 |
|
| 20 |
greg |
2.3 |
extern char *malloc(); |
| 21 |
|
|
|
| 22 |
greg |
1.1 |
int bradj = 0; /* brightness adjustment */ |
| 23 |
|
|
|
| 24 |
|
|
int doflat = 1; /* produce flat file */ |
| 25 |
|
|
|
| 26 |
|
|
char *progname; |
| 27 |
|
|
|
| 28 |
|
|
|
| 29 |
|
|
main(argc, argv) |
| 30 |
|
|
int argc; |
| 31 |
|
|
char *argv[]; |
| 32 |
|
|
{ |
| 33 |
|
|
int i; |
| 34 |
greg |
2.3 |
#ifdef MSDOS |
| 35 |
|
|
extern int _fmode; |
| 36 |
|
|
_fmode = O_BINARY; |
| 37 |
|
|
setmode(fileno(stdin), O_BINARY); |
| 38 |
|
|
setmode(fileno(stdout), O_BINARY); |
| 39 |
|
|
#endif |
| 40 |
greg |
1.1 |
progname = argv[0]; |
| 41 |
|
|
|
| 42 |
|
|
for (i = 1; i < argc; i++) |
| 43 |
|
|
if (argv[i][0] == '-') |
| 44 |
|
|
switch (argv[i][1]) { |
| 45 |
|
|
case 'r': |
| 46 |
|
|
doflat = !doflat; |
| 47 |
|
|
break; |
| 48 |
|
|
case 'e': |
| 49 |
|
|
if (argv[i+1][0] != '+' && argv[i+1][0] != '-') |
| 50 |
|
|
goto userr; |
| 51 |
|
|
bradj = atoi(argv[++i]); |
| 52 |
|
|
break; |
| 53 |
|
|
default: |
| 54 |
|
|
goto userr; |
| 55 |
|
|
} |
| 56 |
|
|
else |
| 57 |
|
|
break; |
| 58 |
|
|
|
| 59 |
|
|
if (i < argc-2) |
| 60 |
|
|
goto userr; |
| 61 |
|
|
if (i <= argc-1 && freopen(argv[i], "r", stdin) == NULL) { |
| 62 |
|
|
fprintf(stderr, "%s: can't open input \"%s\"\n", |
| 63 |
|
|
progname, argv[i]); |
| 64 |
|
|
exit(1); |
| 65 |
|
|
} |
| 66 |
|
|
if (i == argc-2 && freopen(argv[i+1], "w", stdout) == NULL) { |
| 67 |
greg |
2.6 |
fprintf(stderr, "%s: can't open output \"%s\"\n", |
| 68 |
greg |
1.1 |
progname, argv[i+1]); |
| 69 |
|
|
exit(1); |
| 70 |
|
|
} |
| 71 |
|
|
transfer(); |
| 72 |
|
|
exit(0); |
| 73 |
|
|
userr: |
| 74 |
|
|
fprintf(stderr, "Usage: %s [-r][-e +/-stops] [input [output]]\n", |
| 75 |
|
|
progname); |
| 76 |
|
|
exit(1); |
| 77 |
|
|
} |
| 78 |
|
|
|
| 79 |
|
|
|
| 80 |
|
|
quiterr(err) /* print message and exit */ |
| 81 |
|
|
char *err; |
| 82 |
|
|
{ |
| 83 |
|
|
if (err != NULL) { |
| 84 |
|
|
fprintf(stderr, "%s: %s\n", progname, err); |
| 85 |
|
|
exit(1); |
| 86 |
|
|
} |
| 87 |
|
|
exit(0); |
| 88 |
|
|
} |
| 89 |
|
|
|
| 90 |
|
|
|
| 91 |
|
|
transfer() /* transfer Radiance picture */ |
| 92 |
|
|
{ |
| 93 |
greg |
1.2 |
int order; |
| 94 |
greg |
2.3 |
int xmax, ymax; |
| 95 |
greg |
1.1 |
COLR *scanin; |
| 96 |
|
|
int y; |
| 97 |
|
|
/* get header info. */ |
| 98 |
|
|
if (checkheader(stdin, COLRFMT, stdout) < 0 || |
| 99 |
greg |
1.2 |
(order = fgetresolu(&xmax, &ymax, stdin)) < 0) |
| 100 |
greg |
1.1 |
quiterr("bad picture format"); |
| 101 |
greg |
2.2 |
fputs(progname, stdout); |
| 102 |
greg |
1.1 |
if (bradj) |
| 103 |
greg |
2.2 |
printf(" -e %+d", bradj); |
| 104 |
|
|
if (doflat) |
| 105 |
|
|
fputs("\n", stdout); |
| 106 |
|
|
else { |
| 107 |
|
|
fputs(" -r\n", stdout); |
| 108 |
|
|
fputformat(COLRFMT, stdout); |
| 109 |
|
|
} |
| 110 |
|
|
if (bradj) |
| 111 |
greg |
1.1 |
fputexpos(pow(2.0, (double)bradj), stdout); |
| 112 |
greg |
2.2 |
fputs("\n", stdout); |
| 113 |
greg |
1.2 |
fputresolu(order, xmax, ymax, stdout); |
| 114 |
greg |
1.1 |
/* allocate scanline */ |
| 115 |
|
|
scanin = (COLR *)malloc(xmax*sizeof(COLR)); |
| 116 |
|
|
if (scanin == NULL) |
| 117 |
|
|
quiterr("out of memory in transfer"); |
| 118 |
|
|
/* convert image */ |
| 119 |
|
|
for (y = ymax-1; y >= 0; y--) { |
| 120 |
|
|
if (freadcolrs(scanin, xmax, stdin) < 0) |
| 121 |
|
|
quiterr("error reading input picture"); |
| 122 |
|
|
if (bradj) |
| 123 |
|
|
shiftcolrs(scanin, xmax, bradj); |
| 124 |
|
|
if (doflat) |
| 125 |
|
|
fwrite((char *)scanin, sizeof(COLR), xmax, stdout); |
| 126 |
|
|
else |
| 127 |
|
|
fwritecolrs(scanin, xmax, stdout); |
| 128 |
|
|
if (ferror(stdout)) |
| 129 |
greg |
2.5 |
quiterr("error writing output picture"); |
| 130 |
greg |
1.1 |
} |
| 131 |
|
|
/* free scanline */ |
| 132 |
|
|
free((char *)scanin); |
| 133 |
|
|
} |
