7 |
|
* Added white-balance adjustment 10/01 (GW). |
8 |
|
*/ |
9 |
|
|
10 |
– |
#include <stdio.h> |
10 |
|
#include <math.h> |
11 |
< |
#include <time.h> |
11 |
> |
#include <ctype.h> |
12 |
> |
|
13 |
> |
#include "rtio.h" |
14 |
> |
#include "platform.h" |
15 |
|
#include "tiffio.h" |
16 |
|
#include "color.h" |
17 |
|
#include "resolu.h" |
29 |
|
#define C_TWRD 0x80 /* TIFF data is 16-bit */ |
30 |
|
#define C_PRIM 0x100 /* has assigned primaries */ |
31 |
|
|
32 |
+ |
typedef void colcvf_t(uint32 y); |
33 |
+ |
|
34 |
|
struct { |
35 |
|
uint16 flags; /* conversion flags (defined above) */ |
36 |
+ |
char capdate[20]; /* capture date/time */ |
37 |
+ |
char owner[256]; /* content owner */ |
38 |
|
uint16 comp; /* TIFF compression type */ |
39 |
|
uint16 phot; /* TIFF photometric type */ |
40 |
|
uint16 pconf; /* TIFF planar configuration */ |
59 |
|
float *fp; /* float pointer */ |
60 |
|
char *p; /* generic pointer */ |
61 |
|
} t; /* TIFF scanline */ |
62 |
< |
int (*tf)(); /* translation procedure */ |
62 |
> |
colcvf_t *tf; /* translation procedure */ |
63 |
|
} cvts = { /* conversion structure */ |
64 |
< |
0, COMPRESSION_NONE, PHOTOMETRIC_RGB, |
64 |
> |
0, "", "", COMPRESSION_NONE, PHOTOMETRIC_RGB, |
65 |
|
PLANARCONFIG_CONTIG, GAMCOR, 0, 1, 1., 1., |
66 |
|
}; |
67 |
|
|
70 |
|
#define CLR(f) (cvts.flags &= ~(f)) |
71 |
|
#define TGL(f) (cvts.flags ^= (f)) |
72 |
|
|
73 |
< |
int Luv2Color(), L2Color(), RGB2Colr(), Gry2Colr(); |
74 |
< |
int Color2Luv(), Color2L(), Colr2RGB(), Colr2Gry(); |
75 |
< |
int RRGGBB2Color(), GGry2Color(); |
73 |
> |
static colcvf_t Luv2Color, L2Color, RGB2Colr, Gry2Colr; |
74 |
> |
static colcvf_t Color2Luv, Color2L, Colr2RGB, Colr2Gry; |
75 |
> |
static colcvf_t RRGGBB2Color, GGry2Color, Color2RRGGBB, Color2GGry; |
76 |
|
|
77 |
+ |
static gethfunc headline; |
78 |
+ |
static void quiterr(char *err); |
79 |
+ |
static void allocbufs(void); |
80 |
+ |
static void initfromtif(void); |
81 |
+ |
static void tiff2ra(int ac, char *av[]); |
82 |
+ |
static void initfromrad(void); |
83 |
+ |
static void ra2tiff(int ac, char *av[]); |
84 |
+ |
|
85 |
+ |
|
86 |
+ |
|
87 |
+ |
#define RfGfBf2Color Luv2Color |
88 |
+ |
#define Gryf2Color L2Color |
89 |
+ |
#define Color2Gryf Color2L |
90 |
+ |
#define Color2RfGfBf Color2Luv |
91 |
+ |
|
92 |
|
short ortab[8] = { /* orientation conversion table */ |
93 |
|
YMAJOR|YDECR, |
94 |
|
YMAJOR|YDECR|XDECR, |
102 |
|
|
103 |
|
#define pixorder() ortab[cvts.orient-1] |
104 |
|
|
105 |
+ |
extern char TMSTR[]; /* "CAPDATE=" from header.c */ |
106 |
+ |
char OWNSTR[] = "OWNER="; |
107 |
+ |
|
108 |
|
char *progname; |
109 |
|
|
110 |
|
|
111 |
< |
main(argc, argv) |
112 |
< |
int argc; |
89 |
< |
char *argv[]; |
111 |
> |
int |
112 |
> |
main(int argc, char *argv[]) |
113 |
|
{ |
114 |
|
int reverse = 0; |
115 |
|
int i; |
136 |
|
cvts.comp = COMPRESSION_SGILOG24; |
137 |
|
cvts.phot = PHOTOMETRIC_LOGLUV; |
138 |
|
break; |
139 |
+ |
case 'w': /* 16-bit/primary output? */ |
140 |
+ |
TGL(C_TWRD); |
141 |
+ |
break; |
142 |
+ |
case 'f': /* IEEE float output? */ |
143 |
+ |
TGL(C_TFLT); |
144 |
+ |
break; |
145 |
|
case 'b': /* greyscale output? */ |
146 |
|
TGL(C_GRY); |
147 |
|
break; |
172 |
|
|
173 |
|
if (i != argc-2) |
174 |
|
goto userr; |
175 |
< |
|
176 |
< |
if (CHK(C_GRY)) /* consistency corrections */ |
175 |
> |
/* consistency checks */ |
176 |
> |
if (CHK(C_GRY)) { |
177 |
|
if (cvts.phot == PHOTOMETRIC_RGB) |
178 |
|
cvts.phot = PHOTOMETRIC_MINISBLACK; |
179 |
|
else { |
180 |
|
cvts.phot = PHOTOMETRIC_LOGL; |
181 |
|
cvts.comp = COMPRESSION_SGILOG; |
182 |
|
} |
183 |
+ |
} |
184 |
+ |
if (CHK(C_TWRD|C_TFLT) == (C_TWRD|C_TFLT)) |
185 |
+ |
goto userr; |
186 |
|
|
187 |
|
ra2tiff(i, argv); |
188 |
|
} |
190 |
|
exit(0); |
191 |
|
userr: |
192 |
|
fprintf(stderr, |
193 |
< |
"Usage: %s [-z|-L|-l][-b][-e +/-stops][-g gamma] {in.pic|-} out.tif\n", |
193 |
> |
"Usage: %s [-z|-L|-l|-f|-w][-b][-e +/-stops][-g gamma] {in.hdr|-} out.tif\n", |
194 |
|
progname); |
195 |
|
fprintf(stderr, |
196 |
< |
" Or: %s -r [-x][-e +/-stops][-g gamma] in.tif [out.pic|-]\n", |
196 |
> |
" Or: %s -r [-x][-e +/-stops][-g gamma] in.tif [out.hdr|-]\n", |
197 |
|
progname); |
198 |
|
exit(1); |
199 |
|
} |
200 |
|
|
201 |
|
|
202 |
< |
quiterr(err) /* print message and exit */ |
203 |
< |
char *err; |
202 |
> |
static void |
203 |
> |
quiterr( /* print message and exit */ |
204 |
> |
char *err |
205 |
> |
) |
206 |
|
{ |
207 |
|
if (err != NULL) { |
208 |
|
fprintf(stderr, "%s: %s\n", progname, err); |
212 |
|
} |
213 |
|
|
214 |
|
|
215 |
< |
allocbufs() /* allocate scanline buffers */ |
215 |
> |
static void |
216 |
> |
allocbufs(void) /* allocate scanline buffers */ |
217 |
|
{ |
218 |
|
int rsiz, tsiz; |
219 |
|
|
223 |
|
(CHK(C_GRY) ? 1 : 3); |
224 |
|
cvts.r.p = (char *)malloc(rsiz*cvts.xmax); |
225 |
|
cvts.t.p = (char *)malloc(tsiz*cvts.xmax); |
226 |
< |
if (cvts.r.p == NULL | cvts.t.p == NULL) |
226 |
> |
if ((cvts.r.p == NULL) | (cvts.t.p == NULL)) |
227 |
|
quiterr("no memory to allocate scanline buffers"); |
228 |
|
} |
229 |
|
|
230 |
|
|
231 |
< |
initfromtif() /* initialize conversion from TIFF input */ |
231 |
> |
static void |
232 |
> |
initfromtif(void) /* initialize conversion from TIFF input */ |
233 |
|
{ |
234 |
|
uint16 hi; |
235 |
+ |
char *cp; |
236 |
|
float *fa, f1, f2; |
237 |
|
|
238 |
< |
CLR(C_GRY|C_GAMMA|C_PRIM|C_RFLT|C_TFLT|C_CXFM); |
238 |
> |
CLR(C_GRY|C_GAMMA|C_PRIM|C_RFLT|C_TFLT|C_TWRD|C_CXFM); |
239 |
|
|
240 |
|
TIFFGetFieldDefaulted(cvts.tif, TIFFTAG_PLANARCONFIG, &cvts.pconf); |
241 |
|
|
274 |
|
cpcolormat(cvts.cmat, xyz2rgbmat); |
275 |
|
SET(C_CXFM|C_GAMUT); |
276 |
|
} else if (cvts.comp == COMPRESSION_SGILOG) |
277 |
< |
SET(C_GAMUT); |
277 |
> |
SET(C_GAMUT); /* may be outside XYZ gamut */ |
278 |
|
if (cvts.pconf != PLANARCONFIG_CONTIG) |
279 |
|
quiterr("cannot handle separate Luv planes"); |
280 |
|
TIFFSetField(cvts.tif, TIFFTAG_SGILOGDATAFMT, |
308 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, &hi) || |
309 |
|
hi != 3) |
310 |
|
quiterr("unsupported samples per pixel for RGB"); |
311 |
< |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi) || |
312 |
< |
hi != 8 & hi != 16) |
313 |
< |
quiterr("unsupported bits per sample for RGB"); |
314 |
< |
if (hi == 8) |
311 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi)) |
312 |
> |
hi = -1; |
313 |
> |
switch (hi) { |
314 |
> |
case 8: |
315 |
|
cvts.tf = RGB2Colr; |
316 |
< |
else { |
316 |
> |
break; |
317 |
> |
case 16: |
318 |
|
cvts.tf = RRGGBB2Color; |
319 |
|
SET(C_RFLT|C_TWRD); |
320 |
+ |
break; |
321 |
+ |
case 32: |
322 |
+ |
cvts.tf = RfGfBf2Color; |
323 |
+ |
SET(C_RFLT|C_TFLT); |
324 |
+ |
break; |
325 |
+ |
default: |
326 |
+ |
quiterr("unsupported bits per sample for RGB"); |
327 |
|
} |
328 |
|
break; |
329 |
|
case PHOTOMETRIC_MINISBLACK: |
333 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, &hi) || |
334 |
|
hi != 1) |
335 |
|
quiterr("unsupported samples per pixel for greyscale"); |
336 |
< |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi) || |
337 |
< |
hi != 8 & hi != 16) |
338 |
< |
quiterr("unsupported bits per sample for greyscale"); |
339 |
< |
if (hi == 8) |
336 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi)) |
337 |
> |
hi = -1; |
338 |
> |
switch (hi) { |
339 |
> |
case 8: |
340 |
|
cvts.tf = Gry2Colr; |
341 |
< |
else { |
341 |
> |
break; |
342 |
> |
case 16: |
343 |
|
cvts.tf = GGry2Color; |
344 |
|
SET(C_RFLT|C_TWRD); |
345 |
+ |
break; |
346 |
+ |
case 32: |
347 |
+ |
cvts.tf = Gryf2Color; |
348 |
+ |
SET(C_RFLT|C_TFLT); |
349 |
+ |
break; |
350 |
+ |
default: |
351 |
+ |
quiterr("unsupported bits per sample for Gray"); |
352 |
|
} |
353 |
|
break; |
354 |
|
default: |
361 |
|
quiterr("unknown input image resolution"); |
362 |
|
|
363 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_STONITS, &cvts.stonits)) |
364 |
< |
cvts.stonits = 1.; |
364 |
> |
cvts.stonits = -1.; |
365 |
> |
|
366 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_DATETIME, &cp)) |
367 |
> |
cvts.capdate[0] = '\0'; |
368 |
> |
else { |
369 |
> |
strncpy(cvts.capdate, cp, 19); |
370 |
> |
cvts.capdate[19] = '\0'; |
371 |
> |
} |
372 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_ARTIST, &cp)) |
373 |
> |
cvts.owner[0] = '\0'; |
374 |
> |
else { |
375 |
> |
strncpy(cvts.owner, cp, sizeof(cvts.owner)); |
376 |
> |
cvts.owner[sizeof(cvts.owner)-1] = '\0'; |
377 |
> |
} |
378 |
|
/* add to Radiance header */ |
379 |
|
if (cvts.pixrat < .99 || cvts.pixrat > 1.01) |
380 |
|
fputaspect(cvts.pixrat, cvts.rfp); |
381 |
|
if (CHK(C_XYZE)) { |
382 |
< |
fputexpos(pow(2.,(double)cvts.bradj)/cvts.stonits, cvts.rfp); |
382 |
> |
if (cvts.stonits > .0) |
383 |
> |
fputexpos(pow(2.,(double)cvts.bradj)/cvts.stonits, cvts.rfp); |
384 |
|
fputformat(CIEFMT, cvts.rfp); |
385 |
|
} else { |
386 |
|
if (CHK(C_PRIM)) |
387 |
|
fputprims(cvts.prims, cvts.rfp); |
388 |
< |
fputexpos(WHTEFFICACY*pow(2.,(double)cvts.bradj)/cvts.stonits, |
389 |
< |
cvts.rfp); |
388 |
> |
if (cvts.stonits > .0) |
389 |
> |
fputexpos(WHTEFFICACY*pow(2.,(double)cvts.bradj)/cvts.stonits, |
390 |
> |
cvts.rfp); |
391 |
|
fputformat(COLRFMT, cvts.rfp); |
392 |
|
} |
393 |
+ |
if (cvts.capdate[0]) |
394 |
+ |
fprintf(cvts.rfp, "%s %s\n", TMSTR, cvts.capdate); |
395 |
+ |
if (cvts.owner[0]) |
396 |
+ |
fprintf(cvts.rfp, "%s %s\n", OWNSTR, cvts.owner); |
397 |
|
|
398 |
|
allocbufs(); /* allocate scanline buffers */ |
399 |
|
} |
400 |
|
|
401 |
|
|
402 |
< |
tiff2ra(ac, av) /* convert TIFF image to Radiance picture */ |
403 |
< |
int ac; |
404 |
< |
char *av[]; |
402 |
> |
static void |
403 |
> |
tiff2ra( /* convert TIFF image to Radiance picture */ |
404 |
> |
int ac, |
405 |
> |
char *av[] |
406 |
> |
) |
407 |
|
{ |
408 |
|
int32 y; |
409 |
|
/* open TIFF input */ |
414 |
|
cvts.rfp = stdout; |
415 |
|
else if ((cvts.rfp = fopen(av[ac+1], "w")) == NULL) |
416 |
|
quiterr("cannot open Radiance output picture"); |
417 |
+ |
SET_FILE_BINARY(cvts.rfp); |
418 |
|
/* start output header */ |
419 |
|
newheader("RADIANCE", cvts.rfp); |
420 |
|
printargs(ac, av, cvts.rfp); |
432 |
|
} |
433 |
|
|
434 |
|
|
435 |
< |
int |
436 |
< |
headline(s) /* process Radiance input header line */ |
437 |
< |
char *s; |
435 |
> |
static int |
436 |
> |
headline( /* process Radiance input header line */ |
437 |
> |
char *s, |
438 |
> |
void *p |
439 |
> |
) |
440 |
|
{ |
441 |
< |
char fmt[32]; |
441 |
> |
static int tmstrlen = 0; |
442 |
> |
static int ownstrlen = 0; |
443 |
> |
char fmt[MAXFMTLEN]; |
444 |
|
|
445 |
+ |
if (!tmstrlen) |
446 |
+ |
tmstrlen = strlen(TMSTR); |
447 |
+ |
if (!ownstrlen) |
448 |
+ |
ownstrlen = strlen(OWNSTR); |
449 |
|
if (formatval(fmt, s)) { |
450 |
|
if (!strcmp(fmt, COLRFMT)) |
451 |
|
CLR(C_XYZE); |
468 |
|
SET(C_PRIM); |
469 |
|
return(1); |
470 |
|
} |
471 |
+ |
if (isdate(s)) { |
472 |
+ |
if (s[tmstrlen] == ' ') |
473 |
+ |
strncpy(cvts.capdate, s+tmstrlen+1, 19); |
474 |
+ |
else |
475 |
+ |
strncpy(cvts.capdate, s+tmstrlen, 19); |
476 |
+ |
cvts.capdate[19] = '\0'; |
477 |
+ |
return(1); |
478 |
+ |
} |
479 |
+ |
if (!strncmp(s, OWNSTR, ownstrlen)) { |
480 |
+ |
register char *cp = s + ownstrlen; |
481 |
+ |
|
482 |
+ |
while (isspace(*cp)) |
483 |
+ |
++cp; |
484 |
+ |
strncpy(cvts.owner, cp, sizeof(cvts.owner)); |
485 |
+ |
cvts.owner[sizeof(cvts.owner)-1] = '\0'; |
486 |
+ |
for (cp = cvts.owner; *cp; cp++) |
487 |
+ |
; |
488 |
+ |
while (cp > cvts.owner && isspace(cp[-1])) |
489 |
+ |
*--cp = '\0'; |
490 |
+ |
return(1); |
491 |
+ |
} |
492 |
|
return(0); |
493 |
|
} |
494 |
|
|
495 |
|
|
496 |
< |
initfromrad() /* initialize input from a Radiance picture */ |
496 |
> |
static void |
497 |
> |
initfromrad(void) /* initialize input from a Radiance picture */ |
498 |
|
{ |
499 |
|
int i1, i2, po; |
500 |
|
/* read Radiance header */ |
501 |
< |
CLR(C_RFLT|C_TFLT|C_XYZE|C_PRIM|C_GAMMA|C_CXFM); |
501 |
> |
CLR(C_RFLT|C_XYZE|C_PRIM|C_GAMMA|C_CXFM); |
502 |
> |
cvts.capdate[0] = '\0'; |
503 |
> |
cvts.owner[0] = '\0'; |
504 |
|
cvts.stonits = 1.; |
505 |
|
cvts.pixrat = 1.; |
506 |
|
cvts.pconf = PLANARCONFIG_CONTIG; |
526 |
|
switch (cvts.phot) { |
527 |
|
case PHOTOMETRIC_LOGLUV: |
528 |
|
SET(C_RFLT|C_TFLT); |
529 |
< |
CLR(C_GRY); |
529 |
> |
CLR(C_GRY|C_TWRD); |
530 |
|
if (!CHK(C_XYZE)) { |
531 |
|
comprgb2xyzWBmat(cvts.cmat, |
532 |
|
CHK(C_PRIM) ? cvts.prims : stdprims); |
541 |
|
break; |
542 |
|
case PHOTOMETRIC_LOGL: |
543 |
|
SET(C_GRY|C_RFLT|C_TFLT); |
544 |
+ |
CLR(C_TWRD); |
545 |
|
if (cvts.comp != COMPRESSION_SGILOG) |
546 |
|
quiterr("internal error 3 in initfromrad"); |
547 |
|
TIFFSetField(cvts.tif, TIFFTAG_SGILOGDATAFMT, |
563 |
|
TIFFSetField(cvts.tif, TIFFTAG_WHITEPOINT, |
564 |
|
(float *)cvts.prims[WHT]); |
565 |
|
} |
566 |
< |
cvts.tf = Colr2RGB; |
566 |
> |
if (CHK(C_TWRD)) { |
567 |
> |
cvts.tf = Color2RRGGBB; |
568 |
> |
SET(C_RFLT); |
569 |
> |
} else if (CHK(C_TFLT)) { |
570 |
> |
TIFFSetField(cvts.tif, TIFFTAG_SAMPLEFORMAT, |
571 |
> |
SAMPLEFORMAT_IEEEFP); |
572 |
> |
cvts.tf = Color2RfGfBf; |
573 |
> |
SET(C_RFLT); |
574 |
> |
CLR(C_GAMUT); |
575 |
> |
} else |
576 |
> |
cvts.tf = Colr2RGB; |
577 |
|
break; |
578 |
|
case PHOTOMETRIC_MINISBLACK: |
579 |
|
SET(C_GRY|C_GAMMA|C_GAMUT); |
580 |
|
setcolrgam(cvts.gamcor); |
581 |
< |
cvts.tf = Colr2Gry; |
581 |
> |
if (CHK(C_TWRD)) { |
582 |
> |
cvts.tf = Color2GGry; |
583 |
> |
SET(C_RFLT); |
584 |
> |
} else if (CHK(C_TFLT)) { |
585 |
> |
TIFFSetField(cvts.tif, TIFFTAG_SAMPLEFORMAT, |
586 |
> |
SAMPLEFORMAT_IEEEFP); |
587 |
> |
cvts.tf = Color2Gryf; |
588 |
> |
SET(C_RFLT); |
589 |
> |
} else |
590 |
> |
cvts.tf = Colr2Gry; |
591 |
|
break; |
592 |
|
default: |
593 |
|
quiterr("internal error 4 in initfromrad"); |
597 |
|
TIFFSetField(cvts.tif, TIFFTAG_IMAGEWIDTH, cvts.xmax); |
598 |
|
TIFFSetField(cvts.tif, TIFFTAG_IMAGELENGTH, cvts.ymax); |
599 |
|
TIFFSetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, CHK(C_GRY) ? 1 : 3); |
600 |
< |
TIFFSetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, CHK(C_TFLT) ? 32 : 8); |
600 |
> |
TIFFSetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, |
601 |
> |
CHK(C_TFLT) ? 32 : CHK(C_TWRD) ? 16 : 8); |
602 |
|
TIFFSetField(cvts.tif, TIFFTAG_XRESOLUTION, 72.); |
603 |
|
TIFFSetField(cvts.tif, TIFFTAG_YRESOLUTION, 72./cvts.pixrat); |
604 |
|
TIFFSetField(cvts.tif, TIFFTAG_ORIENTATION, cvts.orient); |
606 |
|
TIFFSetField(cvts.tif, TIFFTAG_PLANARCONFIG, cvts.pconf); |
607 |
|
TIFFSetField(cvts.tif, TIFFTAG_STONITS, |
608 |
|
cvts.stonits/pow(2.,(double)cvts.bradj)); |
609 |
+ |
if (cvts.capdate[0]) |
610 |
+ |
TIFFSetField(cvts.tif, TIFFTAG_DATETIME, cvts.capdate); |
611 |
+ |
if (cvts.owner[0]) |
612 |
+ |
TIFFSetField(cvts.tif, TIFFTAG_ARTIST, cvts.owner); |
613 |
|
if (cvts.comp == COMPRESSION_NONE) |
614 |
|
i1 = TIFFScanlineSize(cvts.tif); |
615 |
|
else |
622 |
|
} |
623 |
|
|
624 |
|
|
625 |
< |
ra2tiff(ac, av) /* convert Radiance picture to TIFF image */ |
626 |
< |
int ac; |
627 |
< |
char *av[]; |
625 |
> |
static void |
626 |
> |
ra2tiff( /* convert Radiance picture to TIFF image */ |
627 |
> |
int ac, |
628 |
> |
char *av[] |
629 |
> |
) |
630 |
|
{ |
631 |
|
uint32 y; |
632 |
|
/* open Radiance file */ |
634 |
|
cvts.rfp = stdin; |
635 |
|
else if ((cvts.rfp = fopen(av[ac], "r")) == NULL) |
636 |
|
quiterr("cannot open Radiance input picture"); |
637 |
+ |
SET_FILE_BINARY(cvts.rfp); |
638 |
|
/* open TIFF file */ |
639 |
|
if ((cvts.tif = TIFFOpen(av[ac+1], "w")) == NULL) |
640 |
|
quiterr("cannot open TIFF output"); |
649 |
|
} |
650 |
|
|
651 |
|
|
652 |
< |
int |
653 |
< |
Luv2Color(y) /* read/convert/write Luv->COLOR scanline */ |
654 |
< |
uint32 y; |
652 |
> |
static void |
653 |
> |
Luv2Color( /* read/convert/write Luv->COLOR scanline */ |
654 |
> |
uint32 y |
655 |
> |
) |
656 |
|
{ |
657 |
|
register int x; |
658 |
|
|
659 |
|
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT)) |
660 |
|
quiterr("internal error 1 in Luv2Color"); |
661 |
|
|
662 |
+ |
if (cvts.pconf != PLANARCONFIG_CONTIG) |
663 |
+ |
quiterr("cannot handle separate 32-bit color planes"); |
664 |
+ |
|
665 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
666 |
|
quiterr("error reading TIFF input"); |
667 |
< |
|
667 |
> |
/* also works for float RGB */ |
668 |
|
for (x = cvts.xmax; x--; ) { |
669 |
< |
colval(cvts.r.colors[x],CIEX) = cvts.t.fp[3*x]; |
670 |
< |
colval(cvts.r.colors[x],CIEY) = cvts.t.fp[3*x + 1]; |
671 |
< |
colval(cvts.r.colors[x],CIEZ) = cvts.t.fp[3*x + 2]; |
669 |
> |
setcolor(cvts.r.colors[x], |
670 |
> |
cvts.t.fp[3*x], |
671 |
> |
cvts.t.fp[3*x + 1], |
672 |
> |
cvts.t.fp[3*x + 2]); |
673 |
|
if (CHK(C_CXFM)) |
674 |
|
colortrans(cvts.r.colors[x], cvts.cmat, |
675 |
|
cvts.r.colors[x]); |
688 |
|
} |
689 |
|
|
690 |
|
|
691 |
< |
int |
692 |
< |
RRGGBB2Color(y) /* read/convert/write RGB16->COLOR scanline */ |
693 |
< |
uint32 y; |
691 |
> |
static void |
692 |
> |
RRGGBB2Color( /* read/convert/write RGB16->COLOR scanline */ |
693 |
> |
uint32 y |
694 |
> |
) |
695 |
|
{ |
696 |
< |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
696 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
697 |
|
register double d; |
698 |
|
register int x; |
699 |
|
|
700 |
|
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_TWRD|C_RFLT)) |
701 |
|
quiterr("internal error 1 in RRGGBB2Color"); |
702 |
|
|
703 |
+ |
if (cvts.pconf != PLANARCONFIG_CONTIG) |
704 |
+ |
quiterr("cannot handle separate 16-bit color planes"); |
705 |
+ |
|
706 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
707 |
|
quiterr("error reading TIFF input"); |
708 |
|
|
719 |
|
if (CHK(C_CXFM)) |
720 |
|
colortrans(cvts.r.colors[x], cvts.cmat, |
721 |
|
cvts.r.colors[x]); |
578 |
– |
if (CHK(C_GAMUT)) |
579 |
– |
clipgamut(cvts.r.colors[x], cvts.t.fp[3*x + 1], |
580 |
– |
CGAMUT_LOWER, cblack, cwhite); |
722 |
|
} |
723 |
|
if (cvts.bradj) { |
724 |
|
d = pow(2.,(double)cvts.bradj); |
731 |
|
} |
732 |
|
|
733 |
|
|
734 |
< |
int |
735 |
< |
L2Color(y) /* read/convert/write L16->COLOR scanline */ |
736 |
< |
uint32 y; |
734 |
> |
static void |
735 |
> |
L2Color( /* read/convert/write Lfloat->COLOR scanline */ |
736 |
> |
uint32 y |
737 |
> |
) |
738 |
|
{ |
739 |
+ |
float m = pow(2., (double)cvts.bradj); |
740 |
|
register int x; |
741 |
|
|
742 |
|
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
744 |
|
|
745 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
746 |
|
quiterr("error reading TIFF input"); |
747 |
< |
|
748 |
< |
for (x = cvts.xmax; x--; ) |
749 |
< |
colval(cvts.r.colors[x],RED) = |
750 |
< |
colval(cvts.r.colors[x],GRN) = |
751 |
< |
colval(cvts.r.colors[x],BLU) = |
752 |
< |
cvts.t.fp[x] > 0. ? cvts.t.fp[x] : 0.; |
610 |
< |
|
747 |
> |
/* also works for float greyscale */ |
748 |
> |
for (x = cvts.xmax; x--; ) { |
749 |
> |
register float f = cvts.t.fp[x]; |
750 |
> |
if (cvts.bradj) f *= m; |
751 |
> |
setcolor(cvts.r.colors[x], f, f, f); |
752 |
> |
} |
753 |
|
if (fwritescan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
754 |
|
quiterr("error writing Radiance picture"); |
755 |
|
} |
756 |
|
|
757 |
|
|
758 |
< |
int |
759 |
< |
RGB2Colr(y) /* read/convert/write RGB->COLR scanline */ |
760 |
< |
uint32 y; |
758 |
> |
static void |
759 |
> |
RGB2Colr( /* read/convert/write RGB->COLR scanline */ |
760 |
> |
uint32 y |
761 |
> |
) |
762 |
|
{ |
763 |
|
COLOR ctmp; |
764 |
|
register int x; |
812 |
|
} |
813 |
|
|
814 |
|
|
815 |
< |
int |
816 |
< |
Gry2Colr(y) /* read/convert/write G8->COLR scanline */ |
817 |
< |
uint32 y; |
815 |
> |
static void |
816 |
> |
Gry2Colr( /* read/convert/write G8->COLR scanline */ |
817 |
> |
uint32 y |
818 |
> |
) |
819 |
|
{ |
820 |
|
register int x; |
821 |
|
|
839 |
|
} |
840 |
|
|
841 |
|
|
842 |
< |
int |
843 |
< |
GGry2Color(y) /* read/convert/write G16->COLOR scanline */ |
844 |
< |
uint32 y; |
842 |
> |
static void |
843 |
> |
GGry2Color( /* read/convert/write G16->COLOR scanline */ |
844 |
> |
uint32 y |
845 |
> |
) |
846 |
|
{ |
847 |
< |
int dogamma = cvts.gamcor < 0.99 | cvts.gamcor > 1.01; |
847 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
848 |
|
double m; |
849 |
|
register double d; |
850 |
|
register int x; |
870 |
|
} |
871 |
|
|
872 |
|
|
873 |
< |
int |
874 |
< |
Color2L(y) /* read/convert/write COLOR->L16 scanline */ |
875 |
< |
uint32 y; |
873 |
> |
static void |
874 |
> |
Color2GGry( /* read/convert/write COLOR->G16 scanline */ |
875 |
> |
uint32 y |
876 |
> |
) |
877 |
|
{ |
878 |
< |
double m = pow(2.,(double)cvts.bradj); |
878 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
879 |
> |
float m = pow(2.,(double)cvts.bradj); |
880 |
|
register int x; |
881 |
|
|
882 |
+ |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TWRD|C_GRY)) |
883 |
+ |
quiterr("internal error 1 in Color2GGry"); |
884 |
+ |
|
885 |
+ |
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
886 |
+ |
quiterr("error reading Radiance picture"); |
887 |
+ |
|
888 |
+ |
for (x = cvts.xmax; x--; ) { |
889 |
+ |
register float f = m*( CHK(C_XYZE) ? |
890 |
+ |
colval(cvts.r.colors[x],CIEY) |
891 |
+ |
: bright(cvts.r.colors[x]) ); |
892 |
+ |
if (f <= 0) |
893 |
+ |
cvts.t.wp[x] = 0; |
894 |
+ |
else if (f >= 1) |
895 |
+ |
cvts.t.wp[x] = 0xffff; |
896 |
+ |
else if (dogamma) |
897 |
+ |
cvts.t.wp[x] = (int)((float)(1L<<16) * |
898 |
+ |
pow(f, 1./cvts.gamcor)); |
899 |
+ |
else |
900 |
+ |
cvts.t.wp[x] = (int)((float)(1L<<16) * f); |
901 |
+ |
} |
902 |
+ |
|
903 |
+ |
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
904 |
+ |
quiterr("error writing TIFF output"); |
905 |
+ |
} |
906 |
+ |
|
907 |
+ |
|
908 |
+ |
static void |
909 |
+ |
Color2L( /* read/convert/write COLOR->Lfloat scanline */ |
910 |
+ |
uint32 y |
911 |
+ |
) |
912 |
+ |
{ |
913 |
+ |
float m = pow(2.,(double)cvts.bradj); |
914 |
+ |
register int x; |
915 |
+ |
|
916 |
|
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
917 |
|
quiterr("internal error 1 in Color2L"); |
918 |
|
|
928 |
|
} |
929 |
|
|
930 |
|
|
931 |
< |
int |
932 |
< |
Color2Luv(y) /* read/convert/write COLOR->Luv scanline */ |
933 |
< |
uint32 y; |
931 |
> |
static void |
932 |
> |
Color2Luv( /* read/convert/write COLOR->Luv scanline */ |
933 |
> |
uint32 y |
934 |
> |
) |
935 |
|
{ |
936 |
|
register int x; |
937 |
|
|
950 |
|
for (x = cvts.xmax; x--; ) |
951 |
|
scalecolor(cvts.r.colors[x], m); |
952 |
|
} |
953 |
< |
|
953 |
> |
/* also works for float RGB */ |
954 |
|
for (x = cvts.xmax; x--; ) { |
955 |
|
cvts.t.fp[3*x] = colval(cvts.r.colors[x],CIEX); |
956 |
|
cvts.t.fp[3*x+1] = colval(cvts.r.colors[x],CIEY); |
962 |
|
} |
963 |
|
|
964 |
|
|
965 |
< |
int |
966 |
< |
Colr2Gry(y) /* read/convert/write COLR->RGB scanline */ |
967 |
< |
uint32 y; |
965 |
> |
static void |
966 |
> |
Color2RRGGBB( /* read/convert/write COLOR->RGB16 scanline */ |
967 |
> |
uint32 y |
968 |
> |
) |
969 |
|
{ |
970 |
+ |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
971 |
+ |
float m = pow(2.,(double)cvts.bradj); |
972 |
+ |
register int x, i; |
973 |
+ |
|
974 |
+ |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TWRD)) |
975 |
+ |
quiterr("internal error 1 in Color2RRGGBB"); |
976 |
+ |
|
977 |
+ |
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
978 |
+ |
quiterr("error reading Radiance picture"); |
979 |
+ |
|
980 |
+ |
for (x = cvts.xmax; x--; ) { |
981 |
+ |
if (CHK(C_CXFM)) { |
982 |
+ |
colortrans(cvts.r.colors[x], cvts.cmat, |
983 |
+ |
cvts.r.colors[x]); |
984 |
+ |
if (CHK(C_GAMUT)) |
985 |
+ |
clipgamut(cvts.r.colors[x], bright(cvts.r.colors[x]), |
986 |
+ |
CGAMUT_LOWER, cblack, cwhite); |
987 |
+ |
} |
988 |
+ |
for (i = 3; i--; ) { |
989 |
+ |
register float f = m*colval(cvts.r.colors[x],i); |
990 |
+ |
if (f <= 0) |
991 |
+ |
cvts.t.wp[3*x + i] = 0; |
992 |
+ |
else if (f >= 1) |
993 |
+ |
cvts.t.wp[3*x + i] = 0xffff; |
994 |
+ |
else if (dogamma) |
995 |
+ |
cvts.t.wp[3*x + i] = (int)((float)(1L<<16) * |
996 |
+ |
pow(f, 1./cvts.gamcor)); |
997 |
+ |
else |
998 |
+ |
cvts.t.wp[3*x + i] = (int)((float)(1L<<16)*f); |
999 |
+ |
} |
1000 |
+ |
} |
1001 |
+ |
|
1002 |
+ |
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
1003 |
+ |
quiterr("error writing TIFF output"); |
1004 |
+ |
} |
1005 |
+ |
|
1006 |
+ |
|
1007 |
+ |
static void |
1008 |
+ |
Colr2Gry( /* read/convert/write COLR->RGB scanline */ |
1009 |
+ |
uint32 y |
1010 |
+ |
) |
1011 |
+ |
{ |
1012 |
|
register int x; |
1013 |
|
|
1014 |
|
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != C_GRY) |
1031 |
|
} |
1032 |
|
|
1033 |
|
|
1034 |
< |
int |
1035 |
< |
Colr2RGB(y) /* read/convert/write COLR->RGB scanline */ |
1036 |
< |
uint32 y; |
1034 |
> |
static void |
1035 |
> |
Colr2RGB( /* read/convert/write COLR->RGB scanline */ |
1036 |
> |
uint32 y |
1037 |
> |
) |
1038 |
|
{ |
1039 |
|
COLOR ctmp; |
1040 |
|
register int x; |