| 12 |
|
|
| 13 |
|
#include "color.h" |
| 14 |
|
|
| 15 |
< |
int xres, yres; /* input resolution */ |
| 15 |
> |
#include "resolu.h" |
| 16 |
|
|
| 17 |
+ |
int order; /* input orientation */ |
| 18 |
+ |
int xres, yres; /* resolution (scanlen, nscans) */ |
| 19 |
+ |
|
| 20 |
|
long *scanpos; /* scanline positions */ |
| 21 |
|
|
| 22 |
< |
int fhoriz, fvert; /* flip flags */ |
| 22 |
> |
int fhoriz=0, fvert=0; /* flip flags */ |
| 23 |
|
|
| 24 |
+ |
int correctorder = 0; /* correcting orientation? */ |
| 25 |
+ |
|
| 26 |
|
FILE *fin; /* input file */ |
| 27 |
|
|
| 28 |
|
char *progname; |
| 29 |
|
|
| 30 |
|
|
| 31 |
+ |
int |
| 32 |
+ |
neworder() /* figure out new order from old */ |
| 33 |
+ |
{ |
| 34 |
+ |
register int no; |
| 35 |
+ |
|
| 36 |
+ |
if (correctorder) |
| 37 |
+ |
return(order); /* just leave it */ |
| 38 |
+ |
if ((no = order) & YMAJOR) { |
| 39 |
+ |
if (fhoriz) no ^= XDECR; |
| 40 |
+ |
if (fvert) no ^= YDECR; |
| 41 |
+ |
} else { |
| 42 |
+ |
if (fhoriz) no ^= YDECR; |
| 43 |
+ |
if (fvert) no ^= XDECR; |
| 44 |
+ |
} |
| 45 |
+ |
return(no); |
| 46 |
+ |
} |
| 47 |
+ |
|
| 48 |
+ |
|
| 49 |
|
main(argc, argv) |
| 50 |
|
int argc; |
| 51 |
|
char *argv[]; |
| 59 |
|
fhoriz++; |
| 60 |
|
else if (!strcmp(argv[i], "-v")) |
| 61 |
|
fvert++; |
| 62 |
+ |
else if (!strcmp(argv[i], "-c")) |
| 63 |
+ |
correctorder++; |
| 64 |
|
else |
| 65 |
|
break; |
| 66 |
|
if (i >= argc || argv[i][0] == '-') { |
| 67 |
< |
fprintf(stderr, "Usage: %s [-h][-v] infile [outfile]\n", |
| 67 |
> |
fprintf(stderr, "Usage: %s [-h][-v][-c] infile [outfile]\n", |
| 68 |
|
progname); |
| 69 |
|
exit(1); |
| 70 |
|
} |
| 87 |
|
fputformat(COLRFMT, stdout); |
| 88 |
|
putchar('\n'); |
| 89 |
|
/* get picture size */ |
| 90 |
< |
if (fgetresolu(&xres, &yres, fin) != (YMAJOR|YDECR)) { |
| 90 |
> |
if ((order = fgetresolu(&xres, &yres, fin)) < 0) { |
| 91 |
|
fprintf(stderr, "%s: bad picture size\n", progname); |
| 92 |
|
exit(1); |
| 93 |
|
} |
| 94 |
|
/* write new picture size */ |
| 95 |
< |
fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
| 95 |
> |
fputresolu(neworder(), xres, yres, stdout); |
| 96 |
|
/* goto end if vertical flip */ |
| 97 |
|
if (fvert) |
| 98 |
|
scanfile(); |
