12 |
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|
13 |
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#include "color.h" |
14 |
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|
15 |
< |
int xres, yres; /* input resolution */ |
15 |
> |
#include "resolu.h" |
16 |
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|
17 |
+ |
int order; /* input orientation */ |
18 |
+ |
int xres, yres; /* resolution (scanlen, nscans) */ |
19 |
+ |
|
20 |
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long *scanpos; /* scanline positions */ |
21 |
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|
22 |
< |
int fhoriz, fvert; /* flip flags */ |
22 |
> |
int fhoriz=0, fvert=0; /* flip flags */ |
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|
24 |
+ |
int correctorder = 0; /* correcting orientation? */ |
25 |
+ |
|
26 |
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FILE *fin; /* input file */ |
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|
28 |
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char *progname; |
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|
30 |
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|
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 |
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main(argc, argv) |
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int argc; |
51 |
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char *argv[]; |
59 |
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fhoriz++; |
60 |
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else if (!strcmp(argv[i], "-v")) |
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fvert++; |
62 |
+ |
else if (!strcmp(argv[i], "-c")) |
63 |
+ |
correctorder++; |
64 |
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else |
65 |
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break; |
66 |
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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 |
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progname); |
69 |
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exit(1); |
70 |
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} |
87 |
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fputformat(COLRFMT, stdout); |
88 |
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putchar('\n'); |
89 |
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/* get picture size */ |
90 |
< |
if (fgetresolu(&xres, &yres, fin) != (YMAJOR|YDECR)) { |
90 |
> |
if ((order = fgetresolu(&xres, &yres, fin)) < 0) { |
91 |
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fprintf(stderr, "%s: bad picture size\n", progname); |
92 |
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exit(1); |
93 |
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} |
94 |
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/* write new picture size */ |
95 |
< |
fputresolu(YMAJOR|YDECR, xres, yres, stdout); |
95 |
> |
fputresolu(neworder(), xres, yres, stdout); |
96 |
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/* goto end if vertical flip */ |
97 |
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if (fvert) |
98 |
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scanfile(); |