41 |
|
|
42 |
|
double gamcor = 1.0; /* gamma correction */ |
43 |
|
|
44 |
+ |
int ord[3] = {RED, GRN, BLU}; /* RGB ordering */ |
45 |
+ |
int rord[4]; /* reverse ordering */ |
46 |
+ |
|
47 |
|
COLOR exposure = WHTCOLOR; |
48 |
|
|
49 |
|
char *progname; |
82 |
|
if (argv[i][0] == '+') |
83 |
|
gamcor = 1.0/gamcor; |
84 |
|
break; |
85 |
+ |
case 'R': /* reverse byte sequence */ |
86 |
+ |
if (argv[i][0] == '-') { |
87 |
+ |
ord[0]=BLU; ord[1]=GRN; ord[2]=RED; |
88 |
+ |
} else { |
89 |
+ |
ord[0]=RED; ord[1]=GRN; ord[2]=BLU; |
90 |
+ |
} |
91 |
+ |
break; |
92 |
|
case 'r': /* reverse conversion */ |
93 |
|
reverse = argv[i][0] == '-'; |
94 |
|
break; |
155 |
|
fmtid = "8-bit_grey"; |
156 |
|
else |
157 |
|
fmtid = "24-bit_rgb"; |
158 |
< |
|
158 |
> |
/* assign reverse ordering */ |
159 |
> |
rord[ord[0]] = 0; |
160 |
> |
rord[ord[1]] = 1; |
161 |
> |
rord[ord[2]] = 2; |
162 |
> |
/* get input */ |
163 |
|
if (i == argc) { |
164 |
|
fin = stdin; |
165 |
|
} else if (i == argc-1) { |
347 |
|
|
348 |
|
if (fscanf(fp, "%lf %lf %lf", &vd[0], &vd[1], &vd[2]) != 3) |
349 |
|
return(-1); |
350 |
< |
setcolor(col, vd[0], vd[1], vd[2]); |
350 |
> |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
351 |
|
return(0); |
352 |
|
} |
353 |
|
|
360 |
|
|
361 |
|
if (fread((char *)vd, sizeof(double), 3, fp) != 3) |
362 |
|
return(-1); |
363 |
< |
setcolor(col, vd[0], vd[1], vd[2]); |
363 |
> |
setcolor(col, vd[rord[RED]], vd[rord[GRN]], vd[rord[BLU]]); |
364 |
|
return(0); |
365 |
|
} |
366 |
|
|
373 |
|
|
374 |
|
if (fread((char *)vf, sizeof(float), 3, fp) != 3) |
375 |
|
return(-1); |
376 |
< |
setcolor(col, vf[0], vf[1], vf[2]); |
376 |
> |
setcolor(col, vf[rord[RED]], vf[rord[GRN]], vf[rord[BLU]]); |
377 |
|
return(0); |
378 |
|
} |
379 |
|
|
386 |
|
|
387 |
|
if (fscanf(fp, "%d %d %d", &vi[0], &vi[1], &vi[2]) != 3) |
388 |
|
return(-1); |
389 |
< |
setcolor(col,(vi[0]+.5)/256.,(vi[1]+.5)/256.,(vi[2]+.5)/256.); |
389 |
> |
setcolor(col, (vi[rord[RED]]+.5)/256., |
390 |
> |
(vi[rord[GRN]]+.5)/256., (vi[rord[BLU]]+.5)/256.); |
391 |
|
return(0); |
392 |
|
} |
393 |
|
|
400 |
|
|
401 |
|
if (fread((char *)vb, sizeof(BYTE), 3, fp) != 3) |
402 |
|
return(-1); |
403 |
< |
setcolor(col,(vb[0]+.5)/256.,(vb[1]+.5)/256.,(vb[2]+.5)/256.); |
403 |
> |
setcolor(col, (vb[rord[RED]]+.5)/256., |
404 |
> |
(vb[rord[GRN]]+.5)/256., (vb[rord[BLU]]+.5)/256.); |
405 |
|
return(0); |
406 |
|
} |
407 |
|
|
480 |
|
FILE *fp; |
481 |
|
{ |
482 |
|
fprintf(fp, "%15.3e %15.3e %15.3e\n", |
483 |
< |
colval(col,RED), |
484 |
< |
colval(col,GRN), |
485 |
< |
colval(col,BLU)); |
483 |
> |
colval(col,ord[0]), |
484 |
> |
colval(col,ord[1]), |
485 |
> |
colval(col,ord[2])); |
486 |
|
|
487 |
|
return(ferror(fp) ? -1 : 0); |
488 |
|
} |
494 |
|
{ |
495 |
|
float vf[3]; |
496 |
|
|
497 |
< |
vf[0] = colval(col,RED); |
498 |
< |
vf[1] = colval(col,GRN); |
499 |
< |
vf[2] = colval(col,BLU); |
497 |
> |
vf[0] = colval(col,ord[0]); |
498 |
> |
vf[1] = colval(col,ord[1]); |
499 |
> |
vf[2] = colval(col,ord[2]); |
500 |
|
fwrite((char *)vf, sizeof(float), 3, fp); |
501 |
|
|
502 |
|
return(ferror(fp) ? -1 : 0); |
509 |
|
{ |
510 |
|
double vd[3]; |
511 |
|
|
512 |
< |
vd[0] = colval(col,RED); |
513 |
< |
vd[1] = colval(col,GRN); |
514 |
< |
vd[2] = colval(col,BLU); |
512 |
> |
vd[0] = colval(col,ord[0]); |
513 |
> |
vd[1] = colval(col,ord[1]); |
514 |
> |
vd[2] = colval(col,ord[2]); |
515 |
|
fwrite((char *)vd, sizeof(double), 3, fp); |
516 |
|
|
517 |
|
return(ferror(fp) ? -1 : 0); |
523 |
|
FILE *fp; |
524 |
|
{ |
525 |
|
fprintf(fp, "%d %d %d\n", |
526 |
< |
(int)(colval(col,RED)*256.), |
527 |
< |
(int)(colval(col,GRN)*256.), |
528 |
< |
(int)(colval(col,BLU)*256.)); |
526 |
> |
(int)(colval(col,ord[0])*256.), |
527 |
> |
(int)(colval(col,ord[1])*256.), |
528 |
> |
(int)(colval(col,ord[2])*256.)); |
529 |
|
|
530 |
|
return(ferror(fp) ? -1 : 0); |
531 |
|
} |
538 |
|
register int i; |
539 |
|
BYTE vb[3]; |
540 |
|
|
541 |
< |
i = colval(col,RED)*256.; |
541 |
> |
i = colval(col,ord[0])*256.; |
542 |
|
vb[0] = min(i,255); |
543 |
< |
i = colval(col,GRN)*256.; |
543 |
> |
i = colval(col,ord[1])*256.; |
544 |
|
vb[1] = min(i,255); |
545 |
< |
i = colval(col,BLU)*256.; |
545 |
> |
i = colval(col,ord[2])*256.; |
546 |
|
vb[2] = min(i,255); |
547 |
|
fwrite((char *)vb, sizeof(BYTE), 3, fp); |
548 |
|
|