1 |
– |
/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
2 |
– |
|
1 |
|
#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ SGI"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
|
#endif |
6 |
– |
|
4 |
|
/* |
5 |
|
* Program to convert between RADIANCE and TIFF files. |
6 |
< |
* Added experimental LogLuv encodings 7/97 (GWL). |
6 |
> |
* Added LogLuv encodings 7/97 (GWL). |
7 |
> |
* Added white-balance adjustment 10/01 (GW). |
8 |
|
*/ |
9 |
|
|
10 |
|
#include <stdio.h> |
11 |
|
#include <math.h> |
12 |
+ |
#include <ctype.h> |
13 |
+ |
#include <time.h> |
14 |
|
#include "tiffio.h" |
15 |
|
#include "color.h" |
16 |
|
#include "resolu.h" |
17 |
|
|
18 |
|
#define GAMCOR 2.2 /* default gamma */ |
19 |
|
|
20 |
– |
#ifndef malloc |
21 |
– |
extern char *malloc(); |
22 |
– |
#endif |
20 |
|
/* conversion flags */ |
21 |
|
#define C_CXFM 0x1 /* needs color transformation */ |
22 |
|
#define C_GAMUT 0x2 /* needs gamut mapping */ |
25 |
|
#define C_XYZE 0x10 /* Radiance is XYZE */ |
26 |
|
#define C_RFLT 0x20 /* Radiance data is float */ |
27 |
|
#define C_TFLT 0x40 /* TIFF data is float */ |
28 |
< |
#define C_PRIM 0x80 /* has assigned primaries */ |
28 |
> |
#define C_TWRD 0x80 /* TIFF data is 16-bit */ |
29 |
> |
#define C_PRIM 0x100 /* has assigned primaries */ |
30 |
|
|
31 |
|
struct { |
32 |
|
uint16 flags; /* conversion flags (defined above) */ |
33 |
+ |
char capdate[20]; /* capture date/time */ |
34 |
+ |
char owner[256]; /* content owner */ |
35 |
|
uint16 comp; /* TIFF compression type */ |
36 |
|
uint16 phot; /* TIFF photometric type */ |
37 |
|
uint16 pconf; /* TIFF planar configuration */ |
52 |
|
} r; /* Radiance scanline */ |
53 |
|
union { |
54 |
|
uint8 *bp; /* byte pointer */ |
55 |
+ |
uint16 *wp; /* word pointer */ |
56 |
|
float *fp; /* float pointer */ |
57 |
|
char *p; /* generic pointer */ |
58 |
|
} t; /* TIFF scanline */ |
59 |
< |
int (*tf)(); /* translation procedure */ |
59 |
> |
void (*tf)(); /* translation procedure */ |
60 |
|
} cvts = { /* conversion structure */ |
61 |
< |
0, COMPRESSION_NONE, PHOTOMETRIC_RGB, |
61 |
> |
0, "", "", COMPRESSION_NONE, PHOTOMETRIC_RGB, |
62 |
|
PLANARCONFIG_CONTIG, GAMCOR, 0, 1, 1., 1., |
63 |
|
}; |
64 |
|
|
67 |
|
#define CLR(f) (cvts.flags &= ~(f)) |
68 |
|
#define TGL(f) (cvts.flags ^= (f)) |
69 |
|
|
70 |
< |
int Luv2Color(), L2Color(), RGB2Colr(), Gry2Colr(); |
71 |
< |
int Color2Luv(), Color2L(), Colr2RGB(), Colr2Gry(); |
70 |
> |
void Luv2Color(), L2Color(), RGB2Colr(), Gry2Colr(); |
71 |
> |
void Color2Luv(), Color2L(), Colr2RGB(), Colr2Gry(); |
72 |
> |
void RRGGBB2Color(), GGry2Color(), Color2RRGGBB(), Color2GGry(); |
73 |
|
|
74 |
+ |
#define RfGfBf2Color Luv2Color |
75 |
+ |
#define Gryf2Color L2Color |
76 |
+ |
#define Color2Gryf Color2L |
77 |
+ |
#define Color2RfGfBf Color2Luv |
78 |
+ |
|
79 |
|
short ortab[8] = { /* orientation conversion table */ |
80 |
|
YMAJOR|YDECR, |
81 |
|
YMAJOR|YDECR|XDECR, |
89 |
|
|
90 |
|
#define pixorder() ortab[cvts.orient-1] |
91 |
|
|
92 |
+ |
extern char TMSTR[]; /* "CAPDATE=" from header.c */ |
93 |
+ |
char OWNSTR[] = "OWNER="; |
94 |
+ |
|
95 |
|
char *progname; |
96 |
|
|
97 |
|
|
124 |
|
cvts.comp = COMPRESSION_SGILOG24; |
125 |
|
cvts.phot = PHOTOMETRIC_LOGLUV; |
126 |
|
break; |
127 |
+ |
case 'w': /* 16-bit/primary output? */ |
128 |
+ |
TGL(C_TWRD); |
129 |
+ |
break; |
130 |
+ |
case 'f': /* IEEE float output? */ |
131 |
+ |
TGL(C_TFLT); |
132 |
+ |
break; |
133 |
|
case 'b': /* greyscale output? */ |
134 |
|
TGL(C_GRY); |
135 |
|
break; |
160 |
|
|
161 |
|
if (i != argc-2) |
162 |
|
goto userr; |
163 |
< |
|
164 |
< |
if (CHK(C_GRY)) /* consistency corrections */ |
163 |
> |
/* consistency checks */ |
164 |
> |
if (CHK(C_GRY)) |
165 |
|
if (cvts.phot == PHOTOMETRIC_RGB) |
166 |
|
cvts.phot = PHOTOMETRIC_MINISBLACK; |
167 |
|
else { |
168 |
|
cvts.phot = PHOTOMETRIC_LOGL; |
169 |
|
cvts.comp = COMPRESSION_SGILOG; |
170 |
|
} |
171 |
+ |
if (CHK(C_TWRD|C_TFLT) == (C_TWRD|C_TFLT)) |
172 |
+ |
goto userr; |
173 |
|
|
174 |
|
ra2tiff(i, argv); |
175 |
|
} |
177 |
|
exit(0); |
178 |
|
userr: |
179 |
|
fprintf(stderr, |
180 |
< |
"Usage: %s [-z|-L|-l][-b][-e +/-stops][-g gamma] {in.pic|-} out.tif\n", |
180 |
> |
"Usage: %s [-z|-L|-l|-f|-w][-b][-e +/-stops][-g gamma] {in.pic|-} out.tif\n", |
181 |
|
progname); |
182 |
|
fprintf(stderr, |
183 |
|
" Or: %s -r [-x][-e +/-stops][-g gamma] in.tif [out.pic|-]\n", |
202 |
|
int rsiz, tsiz; |
203 |
|
|
204 |
|
rsiz = CHK(C_RFLT) ? sizeof(COLOR) : sizeof(COLR); |
205 |
< |
tsiz = (CHK(C_TFLT) ? sizeof(float) : sizeof(uint8)) * |
205 |
> |
tsiz = (CHK(C_TFLT) ? sizeof(float) : |
206 |
> |
CHK(C_TWRD) ? sizeof(uint16) : sizeof(uint8)) * |
207 |
|
(CHK(C_GRY) ? 1 : 3); |
208 |
|
cvts.r.p = (char *)malloc(rsiz*cvts.xmax); |
209 |
|
cvts.t.p = (char *)malloc(tsiz*cvts.xmax); |
215 |
|
initfromtif() /* initialize conversion from TIFF input */ |
216 |
|
{ |
217 |
|
uint16 hi; |
218 |
+ |
char *cp; |
219 |
|
float *fa, f1, f2; |
220 |
|
|
221 |
< |
CLR(C_GRY|C_GAMMA|C_PRIM|C_RFLT|C_TFLT|C_CXFM); |
221 |
> |
CLR(C_GRY|C_GAMMA|C_PRIM|C_RFLT|C_TFLT|C_TWRD|C_CXFM); |
222 |
|
|
223 |
|
TIFFGetFieldDefaulted(cvts.tif, TIFFTAG_PLANARCONFIG, &cvts.pconf); |
224 |
|
|
281 |
|
quiterr("unsupported photometric type"); |
282 |
|
/* fall through */ |
283 |
|
case PHOTOMETRIC_RGB: |
284 |
< |
SET(C_GAMMA|C_GAMUT); |
284 |
> |
SET(C_GAMMA); |
285 |
|
setcolrgam(cvts.gamcor); |
286 |
|
if (CHK(C_XYZE)) { |
287 |
< |
comprgb2xyzmat(cvts.cmat, |
287 |
> |
comprgb2xyzWBmat(cvts.cmat, |
288 |
|
CHK(C_PRIM) ? cvts.prims : stdprims); |
289 |
|
SET(C_CXFM); |
290 |
|
} |
291 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, &hi) || |
292 |
|
hi != 3) |
293 |
|
quiterr("unsupported samples per pixel for RGB"); |
294 |
< |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi) || |
295 |
< |
hi != 8) |
294 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi)) |
295 |
> |
hi = -1; |
296 |
> |
switch (hi) { |
297 |
> |
case 8: |
298 |
> |
cvts.tf = RGB2Colr; |
299 |
> |
break; |
300 |
> |
case 16: |
301 |
> |
cvts.tf = RRGGBB2Color; |
302 |
> |
SET(C_RFLT|C_TWRD); |
303 |
> |
break; |
304 |
> |
case 32: |
305 |
> |
cvts.tf = RfGfBf2Color; |
306 |
> |
SET(C_RFLT|C_TFLT); |
307 |
> |
break; |
308 |
> |
default: |
309 |
|
quiterr("unsupported bits per sample for RGB"); |
310 |
< |
cvts.tf = RGB2Colr; |
310 |
> |
} |
311 |
|
break; |
312 |
|
case PHOTOMETRIC_MINISBLACK: |
313 |
< |
SET(C_GRY|C_GAMMA|C_GAMUT); |
313 |
> |
SET(C_GRY|C_GAMMA); |
314 |
> |
setcolrgam(cvts.gamcor); |
315 |
|
cvts.pconf = PLANARCONFIG_CONTIG; |
316 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, &hi) || |
317 |
|
hi != 1) |
318 |
|
quiterr("unsupported samples per pixel for greyscale"); |
319 |
< |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi) || |
320 |
< |
hi != 8) |
321 |
< |
quiterr("unsupported bits per sample for greyscale"); |
322 |
< |
cvts.tf = Gry2Colr; |
319 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi)) |
320 |
> |
hi = -1; |
321 |
> |
switch (hi) { |
322 |
> |
case 8: |
323 |
> |
cvts.tf = Gry2Colr; |
324 |
> |
break; |
325 |
> |
case 16: |
326 |
> |
cvts.tf = GGry2Color; |
327 |
> |
SET(C_RFLT|C_TWRD); |
328 |
> |
break; |
329 |
> |
case 32: |
330 |
> |
cvts.tf = Gryf2Color; |
331 |
> |
SET(C_RFLT|C_TFLT); |
332 |
> |
break; |
333 |
> |
default: |
334 |
> |
quiterr("unsupported bits per sample for Gray"); |
335 |
> |
} |
336 |
|
break; |
337 |
|
default: |
338 |
|
quiterr("unsupported photometric type"); |
345 |
|
|
346 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_STONITS, &cvts.stonits)) |
347 |
|
cvts.stonits = 1.; |
348 |
+ |
|
349 |
+ |
if (!TIFFGetField(cvts.tif, TIFFTAG_DATETIME, &cp)) |
350 |
+ |
cvts.capdate[0] = '\0'; |
351 |
+ |
else { |
352 |
+ |
strncpy(cvts.capdate, cp, 19); |
353 |
+ |
cvts.capdate[19] = '\0'; |
354 |
+ |
} |
355 |
+ |
if (!TIFFGetField(cvts.tif, TIFFTAG_ARTIST, &cp)) |
356 |
+ |
cvts.owner[0] = '\0'; |
357 |
+ |
else { |
358 |
+ |
strncpy(cvts.owner, cp, sizeof(cvts.owner)); |
359 |
+ |
cvts.owner[sizeof(cvts.owner)-1] = '\0'; |
360 |
+ |
} |
361 |
|
/* add to Radiance header */ |
362 |
|
if (cvts.pixrat < .99 || cvts.pixrat > 1.01) |
363 |
|
fputaspect(cvts.pixrat, cvts.rfp); |
371 |
|
cvts.rfp); |
372 |
|
fputformat(COLRFMT, cvts.rfp); |
373 |
|
} |
374 |
+ |
if (cvts.capdate[0]) |
375 |
+ |
fprintf(cvts.rfp, "%s %s\n", TMSTR, cvts.capdate); |
376 |
+ |
if (cvts.owner[0]) |
377 |
+ |
fprintf(cvts.rfp, "%s %s\n", OWNSTR, cvts.owner); |
378 |
|
|
379 |
|
allocbufs(); /* allocate scanline buffers */ |
380 |
|
} |
414 |
|
headline(s) /* process Radiance input header line */ |
415 |
|
char *s; |
416 |
|
{ |
417 |
+ |
static int tmstrlen = 0; |
418 |
+ |
static int ownstrlen = 0; |
419 |
|
char fmt[32]; |
420 |
|
|
421 |
+ |
if (!tmstrlen) |
422 |
+ |
tmstrlen = strlen(TMSTR); |
423 |
+ |
if (!ownstrlen) |
424 |
+ |
ownstrlen = strlen(OWNSTR); |
425 |
|
if (formatval(fmt, s)) { |
426 |
|
if (!strcmp(fmt, COLRFMT)) |
427 |
|
CLR(C_XYZE); |
429 |
|
SET(C_XYZE); |
430 |
|
else |
431 |
|
quiterr("unrecognized input picture format"); |
432 |
< |
return; |
432 |
> |
return(1); |
433 |
|
} |
434 |
|
if (isexpos(s)) { |
435 |
|
cvts.stonits /= exposval(s); |
436 |
< |
return; |
436 |
> |
return(1); |
437 |
|
} |
438 |
|
if (isaspect(s)) { |
439 |
|
cvts.pixrat *= aspectval(s); |
440 |
< |
return; |
440 |
> |
return(1); |
441 |
|
} |
442 |
|
if (isprims(s)) { |
443 |
|
primsval(cvts.prims, s); |
444 |
|
SET(C_PRIM); |
445 |
< |
return; |
445 |
> |
return(1); |
446 |
|
} |
447 |
+ |
if (isdate(s)) { |
448 |
+ |
if (s[tmstrlen] == ' ') |
449 |
+ |
strncpy(cvts.capdate, s+tmstrlen+1, 19); |
450 |
+ |
else |
451 |
+ |
strncpy(cvts.capdate, s+tmstrlen, 19); |
452 |
+ |
cvts.capdate[19] = '\0'; |
453 |
+ |
return(1); |
454 |
+ |
} |
455 |
+ |
if (!strncmp(s, OWNSTR, ownstrlen)) { |
456 |
+ |
register char *cp = s + ownstrlen; |
457 |
+ |
|
458 |
+ |
while (isspace(*cp)) |
459 |
+ |
++cp; |
460 |
+ |
strncpy(cvts.owner, cp, sizeof(cvts.owner)); |
461 |
+ |
cvts.owner[sizeof(cvts.owner)-1] = '\0'; |
462 |
+ |
for (cp = cvts.owner; *cp; cp++) |
463 |
+ |
; |
464 |
+ |
while (cp > cvts.owner && isspace(cp[-1])) |
465 |
+ |
*--cp = '\0'; |
466 |
+ |
return(1); |
467 |
+ |
} |
468 |
+ |
return(0); |
469 |
|
} |
470 |
|
|
471 |
|
|
473 |
|
{ |
474 |
|
int i1, i2, po; |
475 |
|
/* read Radiance header */ |
476 |
< |
CLR(C_RFLT|C_TFLT|C_XYZE|C_PRIM|C_GAMMA|C_CXFM); |
476 |
> |
CLR(C_RFLT|C_XYZE|C_PRIM|C_GAMMA|C_CXFM); |
477 |
> |
cvts.capdate[0] = '\0'; |
478 |
> |
cvts.owner[0] = '\0'; |
479 |
|
cvts.stonits = 1.; |
480 |
|
cvts.pixrat = 1.; |
481 |
|
cvts.pconf = PLANARCONFIG_CONTIG; |
501 |
|
switch (cvts.phot) { |
502 |
|
case PHOTOMETRIC_LOGLUV: |
503 |
|
SET(C_RFLT|C_TFLT); |
504 |
< |
CLR(C_GRY); |
504 |
> |
CLR(C_GRY|C_TWRD); |
505 |
|
if (!CHK(C_XYZE)) { |
506 |
< |
cpcolormat(cvts.cmat, rgb2xyzmat); |
506 |
> |
comprgb2xyzWBmat(cvts.cmat, |
507 |
> |
CHK(C_PRIM) ? cvts.prims : stdprims); |
508 |
|
SET(C_CXFM); |
509 |
|
} |
510 |
|
if (cvts.comp != COMPRESSION_SGILOG && |
516 |
|
break; |
517 |
|
case PHOTOMETRIC_LOGL: |
518 |
|
SET(C_GRY|C_RFLT|C_TFLT); |
519 |
+ |
CLR(C_TWRD); |
520 |
|
if (cvts.comp != COMPRESSION_SGILOG) |
521 |
|
quiterr("internal error 3 in initfromrad"); |
522 |
|
TIFFSetField(cvts.tif, TIFFTAG_SGILOGDATAFMT, |
528 |
|
CLR(C_GRY); |
529 |
|
setcolrgam(cvts.gamcor); |
530 |
|
if (CHK(C_XYZE)) { |
531 |
< |
compxyz2rgbmat(cvts.cmat, |
531 |
> |
compxyz2rgbWBmat(cvts.cmat, |
532 |
|
CHK(C_PRIM) ? cvts.prims : stdprims); |
533 |
|
SET(C_CXFM); |
534 |
|
} |
538 |
|
TIFFSetField(cvts.tif, TIFFTAG_WHITEPOINT, |
539 |
|
(float *)cvts.prims[WHT]); |
540 |
|
} |
541 |
< |
cvts.tf = Colr2RGB; |
541 |
> |
if (CHK(C_TWRD)) { |
542 |
> |
cvts.tf = Color2RRGGBB; |
543 |
> |
SET(C_RFLT); |
544 |
> |
} else if (CHK(C_TFLT)) { |
545 |
> |
TIFFSetField(cvts.tif, TIFFTAG_SAMPLEFORMAT, |
546 |
> |
SAMPLEFORMAT_IEEEFP); |
547 |
> |
cvts.tf = Color2RfGfBf; |
548 |
> |
SET(C_RFLT); |
549 |
> |
} else |
550 |
> |
cvts.tf = Colr2RGB; |
551 |
|
break; |
552 |
|
case PHOTOMETRIC_MINISBLACK: |
553 |
|
SET(C_GRY|C_GAMMA|C_GAMUT); |
554 |
|
setcolrgam(cvts.gamcor); |
555 |
< |
cvts.tf = Colr2Gry; |
555 |
> |
if (CHK(C_TWRD)) { |
556 |
> |
cvts.tf = Color2GGry; |
557 |
> |
SET(C_RFLT); |
558 |
> |
} else if (CHK(C_TFLT)) { |
559 |
> |
TIFFSetField(cvts.tif, TIFFTAG_SAMPLEFORMAT, |
560 |
> |
SAMPLEFORMAT_IEEEFP); |
561 |
> |
cvts.tf = Color2Gryf; |
562 |
> |
SET(C_RFLT); |
563 |
> |
} else |
564 |
> |
cvts.tf = Colr2Gry; |
565 |
|
break; |
566 |
|
default: |
567 |
|
quiterr("internal error 4 in initfromrad"); |
571 |
|
TIFFSetField(cvts.tif, TIFFTAG_IMAGEWIDTH, cvts.xmax); |
572 |
|
TIFFSetField(cvts.tif, TIFFTAG_IMAGELENGTH, cvts.ymax); |
573 |
|
TIFFSetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, CHK(C_GRY) ? 1 : 3); |
574 |
< |
TIFFSetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, CHK(C_TFLT) ? 32 : 8); |
574 |
> |
TIFFSetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, |
575 |
> |
CHK(C_TFLT) ? 32 : CHK(C_TWRD) ? 16 : 8); |
576 |
|
TIFFSetField(cvts.tif, TIFFTAG_XRESOLUTION, 72.); |
577 |
|
TIFFSetField(cvts.tif, TIFFTAG_YRESOLUTION, 72./cvts.pixrat); |
578 |
|
TIFFSetField(cvts.tif, TIFFTAG_ORIENTATION, cvts.orient); |
580 |
|
TIFFSetField(cvts.tif, TIFFTAG_PLANARCONFIG, cvts.pconf); |
581 |
|
TIFFSetField(cvts.tif, TIFFTAG_STONITS, |
582 |
|
cvts.stonits/pow(2.,(double)cvts.bradj)); |
583 |
+ |
if (cvts.capdate[0]) |
584 |
+ |
TIFFSetField(cvts.tif, TIFFTAG_DATETIME, cvts.capdate); |
585 |
+ |
if (cvts.owner[0]) |
586 |
+ |
TIFFSetField(cvts.tif, TIFFTAG_ARTIST, cvts.owner); |
587 |
|
if (cvts.comp == COMPRESSION_NONE) |
588 |
|
i1 = TIFFScanlineSize(cvts.tif); |
589 |
|
else |
620 |
|
} |
621 |
|
|
622 |
|
|
623 |
< |
int |
623 |
> |
void |
624 |
|
Luv2Color(y) /* read/convert/write Luv->COLOR scanline */ |
625 |
|
uint32 y; |
626 |
|
{ |
627 |
|
register int x; |
628 |
|
|
629 |
< |
if (CHK(C_RFLT|C_TFLT) != (C_RFLT|C_TFLT) | CHK(C_GRY)) |
629 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT)) |
630 |
|
quiterr("internal error 1 in Luv2Color"); |
631 |
|
|
632 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
633 |
|
quiterr("error reading TIFF input"); |
634 |
< |
|
634 |
> |
/* also works for float RGB */ |
635 |
|
for (x = cvts.xmax; x--; ) { |
636 |
< |
cvts.r.colors[x][RED] = cvts.t.fp[3*x]; |
637 |
< |
cvts.r.colors[x][GRN] = cvts.t.fp[3*x + 1]; |
638 |
< |
cvts.r.colors[x][BLU] = cvts.t.fp[3*x + 2]; |
636 |
> |
setcolor(cvts.r.colors[x], |
637 |
> |
cvts.t.fp[3*x], |
638 |
> |
cvts.t.fp[3*x + 1], |
639 |
> |
cvts.t.fp[3*x + 2]); |
640 |
|
if (CHK(C_CXFM)) |
641 |
|
colortrans(cvts.r.colors[x], cvts.cmat, |
642 |
|
cvts.r.colors[x]); |
655 |
|
} |
656 |
|
|
657 |
|
|
658 |
< |
int |
659 |
< |
L2Color(y) /* read/convert/write L16->COLOR scanline */ |
658 |
> |
void |
659 |
> |
RRGGBB2Color(y) /* read/convert/write RGB16->COLOR scanline */ |
660 |
|
uint32 y; |
661 |
|
{ |
662 |
+ |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
663 |
+ |
register double d; |
664 |
|
register int x; |
665 |
|
|
666 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
667 |
< |
quiterr("internal error 1 in L2Color"); |
666 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_TWRD|C_RFLT)) |
667 |
> |
quiterr("internal error 1 in RRGGBB2Color"); |
668 |
|
|
669 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
670 |
|
quiterr("error reading TIFF input"); |
671 |
|
|
672 |
< |
for (x = cvts.xmax; x--; ) |
673 |
< |
cvts.r.colors[x][RED] = |
674 |
< |
cvts.r.colors[x][GRN] = |
675 |
< |
cvts.r.colors[x][BLU] = cvts.t.fp[x] > 0. ? cvts.t.fp[x] : 0.; |
672 |
> |
for (x = cvts.xmax; x--; ) { |
673 |
> |
d = (cvts.t.wp[3*x] + 0.5)*(1./(1L<<16)); |
674 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
675 |
> |
colval(cvts.r.colors[x],RED) = d; |
676 |
> |
d = (cvts.t.wp[3*x + 1] + 0.5)*(1./(1L<<16)); |
677 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
678 |
> |
colval(cvts.r.colors[x],GRN) = d; |
679 |
> |
d = (cvts.t.wp[3*x + 2] + 0.5)*(1./(1L<<16)); |
680 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
681 |
> |
colval(cvts.r.colors[x],BLU) = d; |
682 |
> |
if (CHK(C_CXFM)) |
683 |
> |
colortrans(cvts.r.colors[x], cvts.cmat, |
684 |
> |
cvts.r.colors[x]); |
685 |
> |
if (CHK(C_GAMUT)) |
686 |
> |
clipgamut(cvts.r.colors[x], cvts.t.fp[3*x + 1], |
687 |
> |
CGAMUT_LOWER, cblack, cwhite); |
688 |
> |
} |
689 |
> |
if (cvts.bradj) { |
690 |
> |
d = pow(2.,(double)cvts.bradj); |
691 |
> |
for (x = cvts.xmax; x--; ) |
692 |
> |
scalecolor(cvts.r.colors[x], d); |
693 |
> |
} |
694 |
|
|
695 |
|
if (fwritescan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
696 |
|
quiterr("error writing Radiance picture"); |
697 |
|
} |
698 |
|
|
699 |
|
|
700 |
< |
int |
700 |
> |
void |
701 |
> |
L2Color(y) /* read/convert/write Lfloat->COLOR scanline */ |
702 |
> |
uint32 y; |
703 |
> |
{ |
704 |
> |
float m = pow(2., (double)cvts.bradj); |
705 |
> |
register int x; |
706 |
> |
|
707 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
708 |
> |
quiterr("internal error 1 in L2Color"); |
709 |
> |
|
710 |
> |
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
711 |
> |
quiterr("error reading TIFF input"); |
712 |
> |
/* also works for float greyscale */ |
713 |
> |
for (x = cvts.xmax; x--; ) { |
714 |
> |
register float f = cvts.t.fp[x]; |
715 |
> |
if (cvts.bradj) f *= m; |
716 |
> |
setcolor(cvts.r.colors[x], f, f, f); |
717 |
> |
} |
718 |
> |
if (fwritescan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
719 |
> |
quiterr("error writing Radiance picture"); |
720 |
> |
} |
721 |
> |
|
722 |
> |
|
723 |
> |
void |
724 |
|
RGB2Colr(y) /* read/convert/write RGB->COLR scanline */ |
725 |
|
uint32 y; |
726 |
|
{ |
727 |
|
COLOR ctmp; |
728 |
|
register int x; |
729 |
|
|
730 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY)) |
730 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY)) |
731 |
|
quiterr("internal error 1 in RGB2Colr"); |
732 |
|
|
733 |
|
if (cvts.pconf == PLANARCONFIG_CONTIG) { |
742 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
743 |
|
goto readerr; |
744 |
|
if (TIFFReadScanline(cvts.tif, |
745 |
< |
(tidata_t)(cvts.t.bp + cvts.xmax), y, 1) < 0) |
745 |
> |
(tdata_t)(cvts.t.bp + cvts.xmax), y, 1) < 0) |
746 |
|
goto readerr; |
747 |
|
if (TIFFReadScanline(cvts.tif, |
748 |
< |
(tidata_t)(cvts.t.bp + 2*cvts.xmax), y, 2) < 0) |
748 |
> |
(tdata_t)(cvts.t.bp + 2*cvts.xmax), y, 2) < 0) |
749 |
|
goto readerr; |
750 |
|
for (x = cvts.xmax; x--; ) { |
751 |
|
cvts.r.colrs[x][RED] = cvts.t.bp[x]; |
776 |
|
} |
777 |
|
|
778 |
|
|
779 |
< |
int |
779 |
> |
void |
780 |
|
Gry2Colr(y) /* read/convert/write G8->COLR scanline */ |
781 |
|
uint32 y; |
782 |
|
{ |
783 |
|
register int x; |
784 |
|
|
785 |
< |
if (CHK(C_RFLT|C_TFLT) | !CHK(C_GRY)) |
785 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != C_GRY) |
786 |
|
quiterr("internal error 1 in Gry2Colr"); |
787 |
|
|
788 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
802 |
|
} |
803 |
|
|
804 |
|
|
805 |
< |
int |
806 |
< |
Color2L(y) /* read/convert/write COLOR->L16 scanline */ |
805 |
> |
void |
806 |
> |
GGry2Color(y) /* read/convert/write G16->COLOR scanline */ |
807 |
|
uint32 y; |
808 |
|
{ |
809 |
< |
double m = pow(2.,(double)cvts.bradj); |
809 |
> |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
810 |
> |
double m; |
811 |
> |
register double d; |
812 |
|
register int x; |
813 |
|
|
814 |
< |
if (CHK(C_RFLT|C_TFLT) != (C_RFLT|C_TFLT) | !CHK(C_GRY)) |
814 |
> |
if (CHK(C_TFLT|C_TWRD|C_GRY|C_RFLT) != (C_GRY|C_RFLT|C_TWRD)) |
815 |
> |
quiterr("internal error 1 in GGry2Color"); |
816 |
> |
|
817 |
> |
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
818 |
> |
quiterr("error reading TIFF input"); |
819 |
> |
|
820 |
> |
if (cvts.bradj) |
821 |
> |
m = pow(2., (double)cvts.bradj); |
822 |
> |
for (x = cvts.xmax; x--; ) { |
823 |
> |
d = (cvts.t.wp[x] + 0.5)*(1./(1L<<16)); |
824 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
825 |
> |
if (cvts.bradj) d *= m; |
826 |
> |
colval(cvts.r.colors[x],RED) = |
827 |
> |
colval(cvts.r.colors[x],GRN) = |
828 |
> |
colval(cvts.r.colors[x],BLU) = d; |
829 |
> |
} |
830 |
> |
if (fwritescan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
831 |
> |
quiterr("error writing Radiance picture"); |
832 |
> |
} |
833 |
> |
|
834 |
> |
|
835 |
> |
void |
836 |
> |
Color2GGry(y) /* read/convert/write COLOR->G16 scanline */ |
837 |
> |
uint32 y; |
838 |
> |
{ |
839 |
> |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
840 |
> |
float m = pow(2.,(double)cvts.bradj); |
841 |
> |
register int x; |
842 |
> |
|
843 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TWRD|C_GRY)) |
844 |
> |
quiterr("internal error 1 in Color2GGry"); |
845 |
> |
|
846 |
> |
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
847 |
> |
quiterr("error reading Radiance picture"); |
848 |
> |
|
849 |
> |
for (x = cvts.xmax; x--; ) { |
850 |
> |
register float f = m*( CHK(C_XYZE) ? |
851 |
> |
colval(cvts.r.colors[x],CIEY) |
852 |
> |
: bright(cvts.r.colors[x]) ); |
853 |
> |
if (f <= 0) |
854 |
> |
cvts.t.wp[x] = 0; |
855 |
> |
else if (f >= 1) |
856 |
> |
cvts.t.wp[x] = 0xffff; |
857 |
> |
else if (dogamma) |
858 |
> |
cvts.t.wp[x] = (int)((float)(1L<<16) * |
859 |
> |
pow(f, 1./cvts.gamcor)); |
860 |
> |
else |
861 |
> |
cvts.t.wp[x] = (int)((float)(1L<<16) * f); |
862 |
> |
} |
863 |
> |
|
864 |
> |
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
865 |
> |
quiterr("error writing TIFF output"); |
866 |
> |
} |
867 |
> |
|
868 |
> |
|
869 |
> |
void |
870 |
> |
Color2L(y) /* read/convert/write COLOR->Lfloat scanline */ |
871 |
> |
uint32 y; |
872 |
> |
{ |
873 |
> |
float m = pow(2.,(double)cvts.bradj); |
874 |
> |
register int x; |
875 |
> |
|
876 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
877 |
|
quiterr("internal error 1 in Color2L"); |
878 |
|
|
879 |
|
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
888 |
|
} |
889 |
|
|
890 |
|
|
891 |
< |
int |
891 |
> |
void |
892 |
|
Color2Luv(y) /* read/convert/write COLOR->Luv scanline */ |
893 |
|
uint32 y; |
894 |
|
{ |
895 |
|
register int x; |
896 |
|
|
897 |
< |
if (CHK(C_RFLT|C_TFLT) != (C_RFLT|C_TFLT) | CHK(C_GRY)) |
897 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT)) |
898 |
|
quiterr("internal error 1 in Color2Luv"); |
899 |
|
|
900 |
|
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
909 |
|
for (x = cvts.xmax; x--; ) |
910 |
|
scalecolor(cvts.r.colors[x], m); |
911 |
|
} |
912 |
< |
|
912 |
> |
/* also works for float RGB */ |
913 |
|
for (x = cvts.xmax; x--; ) { |
914 |
< |
cvts.t.fp[3*x] = colval(cvts.r.colors[x],RED); |
915 |
< |
cvts.t.fp[3*x+1] = colval(cvts.r.colors[x],GRN); |
916 |
< |
cvts.t.fp[3*x+2] = colval(cvts.r.colors[x],BLU); |
914 |
> |
cvts.t.fp[3*x] = colval(cvts.r.colors[x],CIEX); |
915 |
> |
cvts.t.fp[3*x+1] = colval(cvts.r.colors[x],CIEY); |
916 |
> |
cvts.t.fp[3*x+2] = colval(cvts.r.colors[x],CIEZ); |
917 |
|
} |
918 |
|
|
919 |
|
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
921 |
|
} |
922 |
|
|
923 |
|
|
924 |
< |
int |
924 |
> |
void |
925 |
> |
Color2RRGGBB(y) /* read/convert/write COLOR->RGB16 scanline */ |
926 |
> |
uint32 y; |
927 |
> |
{ |
928 |
> |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
929 |
> |
float m = pow(2.,(double)cvts.bradj); |
930 |
> |
register int x, i; |
931 |
> |
|
932 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TWRD)) |
933 |
> |
quiterr("internal error 1 in Color2RRGGBB"); |
934 |
> |
|
935 |
> |
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
936 |
> |
quiterr("error reading Radiance picture"); |
937 |
> |
|
938 |
> |
for (x = cvts.xmax; x--; ) |
939 |
> |
for (i = 3; i--; ) { |
940 |
> |
register float f = m*colval(cvts.r.colors[x],i); |
941 |
> |
if (f <= 0) |
942 |
> |
cvts.t.wp[3*x + i] = 0; |
943 |
> |
else if (f >= 1) |
944 |
> |
cvts.t.wp[3*x + i] = 0xffff; |
945 |
> |
else if (dogamma) |
946 |
> |
cvts.t.wp[3*x + i] = (int)((float)(1L<<16) * |
947 |
> |
pow(f, 1./cvts.gamcor)); |
948 |
> |
else |
949 |
> |
cvts.t.wp[3*x + i] = (int)((float)(1L<<16)*f); |
950 |
> |
} |
951 |
> |
|
952 |
> |
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
953 |
> |
quiterr("error writing TIFF output"); |
954 |
> |
} |
955 |
> |
|
956 |
> |
|
957 |
> |
void |
958 |
|
Colr2Gry(y) /* read/convert/write COLR->RGB scanline */ |
959 |
|
uint32 y; |
960 |
|
{ |
961 |
|
register int x; |
962 |
|
|
963 |
< |
if (CHK(C_RFLT|C_TFLT) | !CHK(C_GRY)) |
963 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != C_GRY) |
964 |
|
quiterr("internal error 1 in Colr2Gry"); |
965 |
|
|
966 |
|
if (freadcolrs(cvts.r.colrs, cvts.xmax, cvts.rfp) < 0) |
980 |
|
} |
981 |
|
|
982 |
|
|
983 |
< |
int |
983 |
> |
void |
984 |
|
Colr2RGB(y) /* read/convert/write COLR->RGB scanline */ |
985 |
|
uint32 y; |
986 |
|
{ |
987 |
|
COLOR ctmp; |
988 |
|
register int x; |
989 |
|
|
990 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY)) |
990 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY)) |
991 |
|
quiterr("internal error 1 in Colr2RGB"); |
992 |
|
|
993 |
|
if (freadcolrs(cvts.r.colrs, cvts.xmax, cvts.rfp) < 0) |