43 |
|
|
44 |
|
long skipbytes = 0; /* skip bytes in input? */ |
45 |
|
|
46 |
+ |
int interleave = 1; /* file is interleaved? */ |
47 |
+ |
|
48 |
|
int resolution = 1; /* put/get resolution string? */ |
49 |
|
|
50 |
|
int original = 0; /* convert to original values? */ |
121 |
|
case 'r': /* reverse conversion */ |
122 |
|
reverse = argv[i][0] == '-'; |
123 |
|
break; |
124 |
+ |
case 'n': /* non-interleaved RGB */ |
125 |
+ |
interleave = argv[i][0] == '+'; |
126 |
+ |
break; |
127 |
|
case 'b': /* brightness values */ |
128 |
|
putprim = argv[i][0] == '-' ? BRIGHT : ALL; |
129 |
|
break; |
210 |
|
progname, argv[i]); |
211 |
|
quit(1); |
212 |
|
} |
208 |
– |
if (skipbytes && fseek(fin, skipbytes, 0)) |
209 |
– |
goto seekerr; |
213 |
|
if (reverse && !brightonly && i == argc-3) { |
214 |
|
if ((fin2 = fopen(argv[i+1], "r")) == NULL) { |
215 |
|
fprintf(stderr, "%s: can't open file \"%s\"\n", |
221 |
|
progname, argv[i+2]); |
222 |
|
quit(1); |
223 |
|
} |
224 |
< |
if (skipbytes && (fseek(fin2, skipbytes, 0) || |
222 |
< |
fseek(fin3, skipbytes, 0))) |
223 |
< |
goto seekerr; |
224 |
> |
interleave = -1; |
225 |
|
} else if (i != argc-1) |
226 |
|
fin = NULL; |
227 |
+ |
if (reverse && !brightonly && !interleave) { |
228 |
+ |
fin2 = fopen(argv[i], "r"); |
229 |
+ |
fin3 = fopen(argv[i], "r"); |
230 |
+ |
} |
231 |
+ |
if (skipbytes && (fseek(fin, skipbytes, 0) || (fin2 != NULL && |
232 |
+ |
(fseek(fin2, skipbytes, 0) || |
233 |
+ |
fseek(fin3, skipbytes, 0))))) { |
234 |
+ |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
235 |
+ |
progname, skipbytes); |
236 |
+ |
quit(1); |
237 |
+ |
} |
238 |
|
} |
239 |
|
if (fin == NULL) { |
240 |
|
fprintf(stderr, "%s: bad # file arguments\n", progname); |
241 |
|
quit(1); |
242 |
|
} |
243 |
|
|
232 |
– |
set_io(); |
233 |
– |
|
244 |
|
if (reverse) { |
245 |
|
#ifdef MSDOS |
246 |
|
setmode(fileno(stdout), O_BINARY); |
319 |
|
} |
320 |
|
|
321 |
|
quit(0); |
312 |
– |
seekerr: |
313 |
– |
fprintf(stderr, "%s: cannot skip %ld bytes on input\n", |
314 |
– |
progname, skipbytes); |
315 |
– |
quit(1); |
322 |
|
} |
323 |
|
|
324 |
|
|
325 |
+ |
int |
326 |
|
checkhead(line) /* deal with line from header */ |
327 |
|
char *line; |
328 |
|
{ |
344 |
|
doexposure++; |
345 |
|
} else if (header) |
346 |
|
fputs(line, stdout); |
347 |
+ |
return(0); |
348 |
|
} |
349 |
|
|
350 |
|
|
354 |
|
int dogamma; |
355 |
|
COLOR lastc; |
356 |
|
FLOAT hv[2]; |
357 |
+ |
int startprim, endprim; |
358 |
+ |
long startpos; |
359 |
|
int y; |
360 |
|
register int x; |
361 |
|
|
365 |
|
quit(1); |
366 |
|
} |
367 |
|
dogamma = gamcor < .95 || gamcor > 1.05; |
368 |
< |
setcolor(lastc, 0.0, 0.0, 0.0); |
369 |
< |
for (y = 0; y < numscans(&picres); y++) { |
370 |
< |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
371 |
< |
fprintf(stderr, "%s: read error\n", progname); |
368 |
> |
if (putprim == ALL && !interleave) { |
369 |
> |
startprim = RED; endprim = BLU; |
370 |
> |
startpos = ftell(fin); |
371 |
> |
} else { |
372 |
> |
startprim = putprim; endprim = putprim; |
373 |
> |
} |
374 |
> |
for (putprim = startprim; putprim <= endprim; putprim++) { |
375 |
> |
if (putprim != startprim && fseek(fin, startpos, 0)) { |
376 |
> |
fprintf(stderr, "%s: seek error on input file\n", |
377 |
> |
progname); |
378 |
|
quit(1); |
379 |
|
} |
380 |
< |
for (x = 0; x < scanlen(&picres); x++) { |
381 |
< |
if (uniq) |
382 |
< |
if ( colval(scanln[x],RED) == |
383 |
< |
colval(lastc,RED) && |
384 |
< |
colval(scanln[x],GRN) == |
369 |
< |
colval(lastc,GRN) && |
370 |
< |
colval(scanln[x],BLU) == |
371 |
< |
colval(lastc,BLU) ) |
372 |
< |
continue; |
373 |
< |
else |
374 |
< |
copycolor(lastc, scanln[x]); |
375 |
< |
if (doexposure) |
376 |
< |
multcolor(scanln[x], exposure); |
377 |
< |
if (dogamma) |
378 |
< |
setcolor(scanln[x], |
379 |
< |
pow(colval(scanln[x],RED), 1.0/gamcor), |
380 |
< |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
381 |
< |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
382 |
< |
if (!dataonly) { |
383 |
< |
pix2loc(hv, &picres, x, y); |
384 |
< |
printf("%7d %7d ", (int)(hv[0]*picres.xr), |
385 |
< |
(int)(hv[1]*picres.yr)); |
386 |
< |
} |
387 |
< |
if ((*putval)(scanln[x]) < 0) { |
388 |
< |
fprintf(stderr, "%s: write error\n", progname); |
380 |
> |
set_io(); |
381 |
> |
setcolor(lastc, 0.0, 0.0, 0.0); |
382 |
> |
for (y = 0; y < numscans(&picres); y++) { |
383 |
> |
if (freadscan(scanln, scanlen(&picres), fin) < 0) { |
384 |
> |
fprintf(stderr, "%s: read error\n", progname); |
385 |
|
quit(1); |
386 |
|
} |
387 |
+ |
for (x = 0; x < scanlen(&picres); x++) { |
388 |
+ |
if (uniq) |
389 |
+ |
if ( colval(scanln[x],RED) == |
390 |
+ |
colval(lastc,RED) && |
391 |
+ |
colval(scanln[x],GRN) == |
392 |
+ |
colval(lastc,GRN) && |
393 |
+ |
colval(scanln[x],BLU) == |
394 |
+ |
colval(lastc,BLU) ) |
395 |
+ |
continue; |
396 |
+ |
else |
397 |
+ |
copycolor(lastc, scanln[x]); |
398 |
+ |
if (doexposure) |
399 |
+ |
multcolor(scanln[x], exposure); |
400 |
+ |
if (dogamma) |
401 |
+ |
setcolor(scanln[x], |
402 |
+ |
pow(colval(scanln[x],RED), 1.0/gamcor), |
403 |
+ |
pow(colval(scanln[x],GRN), 1.0/gamcor), |
404 |
+ |
pow(colval(scanln[x],BLU), 1.0/gamcor)); |
405 |
+ |
if (!dataonly) { |
406 |
+ |
pix2loc(hv, &picres, x, y); |
407 |
+ |
printf("%7d %7d ", |
408 |
+ |
(int)(hv[0]*picres.xr), |
409 |
+ |
(int)(hv[1]*picres.yr)); |
410 |
+ |
} |
411 |
+ |
if ((*putval)(scanln[x]) < 0) { |
412 |
+ |
fprintf(stderr, "%s: write error\n", |
413 |
+ |
progname); |
414 |
+ |
quit(1); |
415 |
+ |
} |
416 |
+ |
} |
417 |
|
} |
418 |
|
} |
419 |
|
free((char *)scanln); |
433 |
|
quit(1); |
434 |
|
} |
435 |
|
dogamma = gamcor < .95 || gamcor > 1.05; |
436 |
+ |
set_io(); |
437 |
|
for (y = 0; y < numscans(&picres); y++) { |
438 |
|
for (x = 0; x < scanlen(&picres); x++) { |
439 |
|
if (!dataonly) { |
827 |
|
} else { |
828 |
|
getval = getcascii; |
829 |
|
putval = putcascii; |
830 |
+ |
if (reverse && !interleave) { |
831 |
+ |
fprintf(stderr, |
832 |
+ |
"%s: ASCII input files must be interleaved\n", |
833 |
+ |
progname); |
834 |
+ |
quit(1); |
835 |
+ |
} |
836 |
|
} |
837 |
|
return; |
838 |
|
case 'f': /* binary float */ |
845 |
|
} else { |
846 |
|
getval = getcfloat; |
847 |
|
putval = putcfloat; |
848 |
+ |
if (reverse && !interleave) { |
849 |
+ |
if (fin2 == NULL) |
850 |
+ |
goto namerr; |
851 |
+ |
if (fseek(fin2, |
852 |
+ |
(long)sizeof(float)*picres.xr*picres.yr, 1)) |
853 |
+ |
goto seekerr; |
854 |
+ |
if (fseek(fin3, |
855 |
+ |
(long)sizeof(float)*2*picres.xr*picres.yr, 1)) |
856 |
+ |
goto seekerr; |
857 |
+ |
} |
858 |
|
} |
859 |
|
return; |
860 |
|
case 'd': /* binary double */ |
867 |
|
} else { |
868 |
|
getval = getcdouble; |
869 |
|
putval = putcdouble; |
870 |
+ |
if (reverse && !interleave) { |
871 |
+ |
if (fin2 == NULL) |
872 |
+ |
goto namerr; |
873 |
+ |
if (fseek(fin2, |
874 |
+ |
(long)sizeof(double)*picres.xr*picres.yr, 1)) |
875 |
+ |
goto seekerr; |
876 |
+ |
if (fseek(fin3, |
877 |
+ |
(long)sizeof(double)*2*picres.xr*picres.yr, 1)) |
878 |
+ |
goto seekerr; |
879 |
+ |
} |
880 |
|
} |
881 |
|
return; |
882 |
|
case 'i': /* integer */ |
889 |
|
} else { |
890 |
|
getval = getcint; |
891 |
|
putval = putcint; |
892 |
+ |
if (reverse && !interleave) { |
893 |
+ |
fprintf(stderr, |
894 |
+ |
"%s: integer input files must be interleaved\n", |
895 |
+ |
progname); |
896 |
+ |
quit(1); |
897 |
+ |
} |
898 |
|
} |
899 |
|
return; |
900 |
|
case 'b': /* byte */ |
907 |
|
} else { |
908 |
|
getval = getcbyte; |
909 |
|
putval = putcbyte; |
910 |
+ |
if (reverse && !interleave) { |
911 |
+ |
if (fin2 == NULL) |
912 |
+ |
goto namerr; |
913 |
+ |
if (fseek(fin2, |
914 |
+ |
(long)sizeof(BYTE)*picres.xr*picres.yr, 1)) |
915 |
+ |
goto seekerr; |
916 |
+ |
if (fseek(fin3, |
917 |
+ |
(long)sizeof(BYTE)*2*picres.xr*picres.yr, 1)) |
918 |
+ |
goto seekerr; |
919 |
+ |
} |
920 |
|
} |
921 |
|
return; |
922 |
|
} |
923 |
+ |
badopt: |
924 |
+ |
fprintf(stderr, "%s: botched file type\n", progname); |
925 |
+ |
quit(1); |
926 |
+ |
namerr: |
927 |
+ |
fprintf(stderr, "%s: non-interleaved file(s) must be named\n", |
928 |
+ |
progname); |
929 |
+ |
quit(1); |
930 |
+ |
seekerr: |
931 |
+ |
fprintf(stderr, "%s: cannot seek on interleaved input file\n", |
932 |
+ |
progname); |
933 |
+ |
quit(1); |
934 |
|
} |