1 |
– |
/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
2 |
– |
|
1 |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ SGI"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
– |
|
4 |
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/* |
5 |
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* 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 |
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*/ |
9 |
|
|
10 |
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#include <stdio.h> |
11 |
|
#include <math.h> |
12 |
+ |
#include <ctype.h> |
13 |
+ |
#include <time.h> |
14 |
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#include "tiffio.h" |
15 |
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#include "color.h" |
16 |
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#include "resolu.h" |
17 |
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|
18 |
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#define GAMCOR 2.2 /* default gamma */ |
19 |
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|
20 |
– |
#ifndef malloc |
21 |
– |
extern char *malloc(); |
22 |
– |
#endif |
20 |
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/* conversion flags */ |
21 |
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#define C_CXFM 0x1 /* needs color transformation */ |
22 |
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#define C_GAMUT 0x2 /* needs gamut mapping */ |
25 |
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#define C_XYZE 0x10 /* Radiance is XYZE */ |
26 |
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#define C_RFLT 0x20 /* Radiance data is float */ |
27 |
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#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 |
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struct { |
32 |
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uint16 flags; /* conversion flags (defined above) */ |
33 |
+ |
char capdate[20]; /* capture date/time */ |
34 |
+ |
char owner[256]; /* content owner */ |
35 |
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uint16 comp; /* TIFF compression type */ |
36 |
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uint16 phot; /* TIFF photometric type */ |
37 |
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uint16 pconf; /* TIFF planar configuration */ |
52 |
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} r; /* Radiance scanline */ |
53 |
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union { |
54 |
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uint8 *bp; /* byte pointer */ |
55 |
+ |
uint16 *wp; /* word pointer */ |
56 |
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float *fp; /* float pointer */ |
57 |
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char *p; /* generic pointer */ |
58 |
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} 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 |
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PLANARCONFIG_CONTIG, GAMCOR, 0, 1, 1., 1., |
63 |
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}; |
64 |
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|
67 |
|
#define CLR(f) (cvts.flags &= ~(f)) |
68 |
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#define TGL(f) (cvts.flags ^= (f)) |
69 |
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|
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 |
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|
74 |
+ |
#define RfGfBf2Color Luv2Color |
75 |
+ |
#define Gryf2Color L2Color |
76 |
+ |
#define Color2Gryf Color2L |
77 |
+ |
#define Color2RfGfBf Color2Luv |
78 |
+ |
|
79 |
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short ortab[8] = { /* orientation conversion table */ |
80 |
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YMAJOR|YDECR, |
81 |
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YMAJOR|YDECR|XDECR, |
89 |
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|
90 |
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#define pixorder() ortab[cvts.orient-1] |
91 |
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|
92 |
+ |
extern char TMSTR[]; /* "CAPDATE=" from header.c */ |
93 |
+ |
char OWNSTR[] = "OWNER="; |
94 |
+ |
|
95 |
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char *progname; |
96 |
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|
97 |
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|
124 |
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cvts.comp = COMPRESSION_SGILOG24; |
125 |
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cvts.phot = PHOTOMETRIC_LOGLUV; |
126 |
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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 |
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case 'b': /* greyscale output? */ |
134 |
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TGL(C_GRY); |
135 |
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break; |
160 |
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|
161 |
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if (i != argc-2) |
162 |
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goto userr; |
163 |
< |
|
164 |
< |
if (CHK(C_GRY)) /* consistency corrections */ |
163 |
> |
/* consistency checks */ |
164 |
> |
if (CHK(C_GRY)) { |
165 |
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if (cvts.phot == PHOTOMETRIC_RGB) |
166 |
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cvts.phot = PHOTOMETRIC_MINISBLACK; |
167 |
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else { |
168 |
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cvts.phot = PHOTOMETRIC_LOGL; |
169 |
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cvts.comp = COMPRESSION_SGILOG; |
170 |
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} |
171 |
+ |
} |
172 |
+ |
if (CHK(C_TWRD|C_TFLT) == (C_TWRD|C_TFLT)) |
173 |
+ |
goto userr; |
174 |
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|
175 |
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ra2tiff(i, argv); |
176 |
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} |
178 |
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exit(0); |
179 |
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userr: |
180 |
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fprintf(stderr, |
181 |
< |
"Usage: %s [-z|-L|-l][-b][-e +/-stops][-g gamma] {in.pic|-} out.tif\n", |
181 |
> |
"Usage: %s [-z|-L|-l|-f|-w][-b][-e +/-stops][-g gamma] {in.pic|-} out.tif\n", |
182 |
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progname); |
183 |
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fprintf(stderr, |
184 |
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" Or: %s -r [-x][-e +/-stops][-g gamma] in.tif [out.pic|-]\n", |
203 |
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int rsiz, tsiz; |
204 |
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|
205 |
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rsiz = CHK(C_RFLT) ? sizeof(COLOR) : sizeof(COLR); |
206 |
< |
tsiz = (CHK(C_TFLT) ? sizeof(float) : sizeof(uint8)) * |
206 |
> |
tsiz = (CHK(C_TFLT) ? sizeof(float) : |
207 |
> |
CHK(C_TWRD) ? sizeof(uint16) : sizeof(uint8)) * |
208 |
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(CHK(C_GRY) ? 1 : 3); |
209 |
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cvts.r.p = (char *)malloc(rsiz*cvts.xmax); |
210 |
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cvts.t.p = (char *)malloc(tsiz*cvts.xmax); |
211 |
< |
if (cvts.r.p == NULL | cvts.t.p == NULL) |
211 |
> |
if ((cvts.r.p == NULL) | (cvts.t.p == NULL)) |
212 |
|
quiterr("no memory to allocate scanline buffers"); |
213 |
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} |
214 |
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|
216 |
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initfromtif() /* initialize conversion from TIFF input */ |
217 |
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{ |
218 |
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uint16 hi; |
219 |
+ |
char *cp; |
220 |
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float *fa, f1, f2; |
221 |
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|
222 |
< |
CLR(C_GRY|C_GAMMA|C_PRIM|C_RFLT|C_TFLT|C_CXFM); |
222 |
> |
CLR(C_GRY|C_GAMMA|C_PRIM|C_RFLT|C_TFLT|C_TWRD|C_CXFM); |
223 |
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|
224 |
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TIFFGetFieldDefaulted(cvts.tif, TIFFTAG_PLANARCONFIG, &cvts.pconf); |
225 |
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|
282 |
|
quiterr("unsupported photometric type"); |
283 |
|
/* fall through */ |
284 |
|
case PHOTOMETRIC_RGB: |
285 |
< |
SET(C_GAMMA|C_GAMUT); |
285 |
> |
SET(C_GAMMA); |
286 |
|
setcolrgam(cvts.gamcor); |
287 |
|
if (CHK(C_XYZE)) { |
288 |
< |
comprgb2xyzmat(cvts.cmat, |
288 |
> |
comprgb2xyzWBmat(cvts.cmat, |
289 |
|
CHK(C_PRIM) ? cvts.prims : stdprims); |
290 |
|
SET(C_CXFM); |
291 |
|
} |
292 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, &hi) || |
293 |
|
hi != 3) |
294 |
|
quiterr("unsupported samples per pixel for RGB"); |
295 |
< |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi) || |
296 |
< |
hi != 8) |
295 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi)) |
296 |
> |
hi = -1; |
297 |
> |
switch (hi) { |
298 |
> |
case 8: |
299 |
> |
cvts.tf = RGB2Colr; |
300 |
> |
break; |
301 |
> |
case 16: |
302 |
> |
cvts.tf = RRGGBB2Color; |
303 |
> |
SET(C_RFLT|C_TWRD); |
304 |
> |
break; |
305 |
> |
case 32: |
306 |
> |
cvts.tf = RfGfBf2Color; |
307 |
> |
SET(C_RFLT|C_TFLT); |
308 |
> |
break; |
309 |
> |
default: |
310 |
|
quiterr("unsupported bits per sample for RGB"); |
311 |
< |
cvts.tf = RGB2Colr; |
311 |
> |
} |
312 |
|
break; |
313 |
|
case PHOTOMETRIC_MINISBLACK: |
314 |
< |
SET(C_GRY|C_GAMMA|C_GAMUT); |
314 |
> |
SET(C_GRY|C_GAMMA); |
315 |
> |
setcolrgam(cvts.gamcor); |
316 |
|
cvts.pconf = PLANARCONFIG_CONTIG; |
317 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, &hi) || |
318 |
|
hi != 1) |
319 |
|
quiterr("unsupported samples per pixel for greyscale"); |
320 |
< |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi) || |
321 |
< |
hi != 8) |
322 |
< |
quiterr("unsupported bits per sample for greyscale"); |
323 |
< |
cvts.tf = Gry2Colr; |
320 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi)) |
321 |
> |
hi = -1; |
322 |
> |
switch (hi) { |
323 |
> |
case 8: |
324 |
> |
cvts.tf = Gry2Colr; |
325 |
> |
break; |
326 |
> |
case 16: |
327 |
> |
cvts.tf = GGry2Color; |
328 |
> |
SET(C_RFLT|C_TWRD); |
329 |
> |
break; |
330 |
> |
case 32: |
331 |
> |
cvts.tf = Gryf2Color; |
332 |
> |
SET(C_RFLT|C_TFLT); |
333 |
> |
break; |
334 |
> |
default: |
335 |
> |
quiterr("unsupported bits per sample for Gray"); |
336 |
> |
} |
337 |
|
break; |
338 |
|
default: |
339 |
|
quiterr("unsupported photometric type"); |
346 |
|
|
347 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_STONITS, &cvts.stonits)) |
348 |
|
cvts.stonits = 1.; |
349 |
+ |
|
350 |
+ |
if (!TIFFGetField(cvts.tif, TIFFTAG_DATETIME, &cp)) |
351 |
+ |
cvts.capdate[0] = '\0'; |
352 |
+ |
else { |
353 |
+ |
strncpy(cvts.capdate, cp, 19); |
354 |
+ |
cvts.capdate[19] = '\0'; |
355 |
+ |
} |
356 |
+ |
if (!TIFFGetField(cvts.tif, TIFFTAG_ARTIST, &cp)) |
357 |
+ |
cvts.owner[0] = '\0'; |
358 |
+ |
else { |
359 |
+ |
strncpy(cvts.owner, cp, sizeof(cvts.owner)); |
360 |
+ |
cvts.owner[sizeof(cvts.owner)-1] = '\0'; |
361 |
+ |
} |
362 |
|
/* add to Radiance header */ |
363 |
|
if (cvts.pixrat < .99 || cvts.pixrat > 1.01) |
364 |
|
fputaspect(cvts.pixrat, cvts.rfp); |
372 |
|
cvts.rfp); |
373 |
|
fputformat(COLRFMT, cvts.rfp); |
374 |
|
} |
375 |
+ |
if (cvts.capdate[0]) |
376 |
+ |
fprintf(cvts.rfp, "%s %s\n", TMSTR, cvts.capdate); |
377 |
+ |
if (cvts.owner[0]) |
378 |
+ |
fprintf(cvts.rfp, "%s %s\n", OWNSTR, cvts.owner); |
379 |
|
|
380 |
|
allocbufs(); /* allocate scanline buffers */ |
381 |
|
} |
415 |
|
headline(s) /* process Radiance input header line */ |
416 |
|
char *s; |
417 |
|
{ |
418 |
+ |
static int tmstrlen = 0; |
419 |
+ |
static int ownstrlen = 0; |
420 |
|
char fmt[32]; |
421 |
|
|
422 |
+ |
if (!tmstrlen) |
423 |
+ |
tmstrlen = strlen(TMSTR); |
424 |
+ |
if (!ownstrlen) |
425 |
+ |
ownstrlen = strlen(OWNSTR); |
426 |
|
if (formatval(fmt, s)) { |
427 |
|
if (!strcmp(fmt, COLRFMT)) |
428 |
|
CLR(C_XYZE); |
430 |
|
SET(C_XYZE); |
431 |
|
else |
432 |
|
quiterr("unrecognized input picture format"); |
433 |
< |
return; |
433 |
> |
return(1); |
434 |
|
} |
435 |
|
if (isexpos(s)) { |
436 |
|
cvts.stonits /= exposval(s); |
437 |
< |
return; |
437 |
> |
return(1); |
438 |
|
} |
439 |
|
if (isaspect(s)) { |
440 |
|
cvts.pixrat *= aspectval(s); |
441 |
< |
return; |
441 |
> |
return(1); |
442 |
|
} |
443 |
|
if (isprims(s)) { |
444 |
|
primsval(cvts.prims, s); |
445 |
|
SET(C_PRIM); |
446 |
< |
return; |
446 |
> |
return(1); |
447 |
|
} |
448 |
+ |
if (isdate(s)) { |
449 |
+ |
if (s[tmstrlen] == ' ') |
450 |
+ |
strncpy(cvts.capdate, s+tmstrlen+1, 19); |
451 |
+ |
else |
452 |
+ |
strncpy(cvts.capdate, s+tmstrlen, 19); |
453 |
+ |
cvts.capdate[19] = '\0'; |
454 |
+ |
return(1); |
455 |
+ |
} |
456 |
+ |
if (!strncmp(s, OWNSTR, ownstrlen)) { |
457 |
+ |
register char *cp = s + ownstrlen; |
458 |
+ |
|
459 |
+ |
while (isspace(*cp)) |
460 |
+ |
++cp; |
461 |
+ |
strncpy(cvts.owner, cp, sizeof(cvts.owner)); |
462 |
+ |
cvts.owner[sizeof(cvts.owner)-1] = '\0'; |
463 |
+ |
for (cp = cvts.owner; *cp; cp++) |
464 |
+ |
; |
465 |
+ |
while (cp > cvts.owner && isspace(cp[-1])) |
466 |
+ |
*--cp = '\0'; |
467 |
+ |
return(1); |
468 |
+ |
} |
469 |
+ |
return(0); |
470 |
|
} |
471 |
|
|
472 |
|
|
474 |
|
{ |
475 |
|
int i1, i2, po; |
476 |
|
/* read Radiance header */ |
477 |
< |
CLR(C_RFLT|C_TFLT|C_XYZE|C_PRIM|C_GAMMA|C_CXFM); |
477 |
> |
CLR(C_RFLT|C_XYZE|C_PRIM|C_GAMMA|C_CXFM); |
478 |
> |
cvts.capdate[0] = '\0'; |
479 |
> |
cvts.owner[0] = '\0'; |
480 |
|
cvts.stonits = 1.; |
481 |
|
cvts.pixrat = 1.; |
482 |
|
cvts.pconf = PLANARCONFIG_CONTIG; |
502 |
|
switch (cvts.phot) { |
503 |
|
case PHOTOMETRIC_LOGLUV: |
504 |
|
SET(C_RFLT|C_TFLT); |
505 |
< |
CLR(C_GRY); |
505 |
> |
CLR(C_GRY|C_TWRD); |
506 |
|
if (!CHK(C_XYZE)) { |
507 |
< |
cpcolormat(cvts.cmat, rgb2xyzmat); |
507 |
> |
comprgb2xyzWBmat(cvts.cmat, |
508 |
> |
CHK(C_PRIM) ? cvts.prims : stdprims); |
509 |
|
SET(C_CXFM); |
510 |
|
} |
511 |
|
if (cvts.comp != COMPRESSION_SGILOG && |
517 |
|
break; |
518 |
|
case PHOTOMETRIC_LOGL: |
519 |
|
SET(C_GRY|C_RFLT|C_TFLT); |
520 |
+ |
CLR(C_TWRD); |
521 |
|
if (cvts.comp != COMPRESSION_SGILOG) |
522 |
|
quiterr("internal error 3 in initfromrad"); |
523 |
|
TIFFSetField(cvts.tif, TIFFTAG_SGILOGDATAFMT, |
529 |
|
CLR(C_GRY); |
530 |
|
setcolrgam(cvts.gamcor); |
531 |
|
if (CHK(C_XYZE)) { |
532 |
< |
compxyz2rgbmat(cvts.cmat, |
532 |
> |
compxyz2rgbWBmat(cvts.cmat, |
533 |
|
CHK(C_PRIM) ? cvts.prims : stdprims); |
534 |
|
SET(C_CXFM); |
535 |
|
} |
539 |
|
TIFFSetField(cvts.tif, TIFFTAG_WHITEPOINT, |
540 |
|
(float *)cvts.prims[WHT]); |
541 |
|
} |
542 |
< |
cvts.tf = Colr2RGB; |
542 |
> |
if (CHK(C_TWRD)) { |
543 |
> |
cvts.tf = Color2RRGGBB; |
544 |
> |
SET(C_RFLT); |
545 |
> |
} else if (CHK(C_TFLT)) { |
546 |
> |
TIFFSetField(cvts.tif, TIFFTAG_SAMPLEFORMAT, |
547 |
> |
SAMPLEFORMAT_IEEEFP); |
548 |
> |
cvts.tf = Color2RfGfBf; |
549 |
> |
SET(C_RFLT); |
550 |
> |
} else |
551 |
> |
cvts.tf = Colr2RGB; |
552 |
|
break; |
553 |
|
case PHOTOMETRIC_MINISBLACK: |
554 |
|
SET(C_GRY|C_GAMMA|C_GAMUT); |
555 |
|
setcolrgam(cvts.gamcor); |
556 |
< |
cvts.tf = Colr2Gry; |
556 |
> |
if (CHK(C_TWRD)) { |
557 |
> |
cvts.tf = Color2GGry; |
558 |
> |
SET(C_RFLT); |
559 |
> |
} else if (CHK(C_TFLT)) { |
560 |
> |
TIFFSetField(cvts.tif, TIFFTAG_SAMPLEFORMAT, |
561 |
> |
SAMPLEFORMAT_IEEEFP); |
562 |
> |
cvts.tf = Color2Gryf; |
563 |
> |
SET(C_RFLT); |
564 |
> |
} else |
565 |
> |
cvts.tf = Colr2Gry; |
566 |
|
break; |
567 |
|
default: |
568 |
|
quiterr("internal error 4 in initfromrad"); |
572 |
|
TIFFSetField(cvts.tif, TIFFTAG_IMAGEWIDTH, cvts.xmax); |
573 |
|
TIFFSetField(cvts.tif, TIFFTAG_IMAGELENGTH, cvts.ymax); |
574 |
|
TIFFSetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, CHK(C_GRY) ? 1 : 3); |
575 |
< |
TIFFSetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, CHK(C_TFLT) ? 32 : 8); |
575 |
> |
TIFFSetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, |
576 |
> |
CHK(C_TFLT) ? 32 : CHK(C_TWRD) ? 16 : 8); |
577 |
|
TIFFSetField(cvts.tif, TIFFTAG_XRESOLUTION, 72.); |
578 |
|
TIFFSetField(cvts.tif, TIFFTAG_YRESOLUTION, 72./cvts.pixrat); |
579 |
|
TIFFSetField(cvts.tif, TIFFTAG_ORIENTATION, cvts.orient); |
581 |
|
TIFFSetField(cvts.tif, TIFFTAG_PLANARCONFIG, cvts.pconf); |
582 |
|
TIFFSetField(cvts.tif, TIFFTAG_STONITS, |
583 |
|
cvts.stonits/pow(2.,(double)cvts.bradj)); |
584 |
+ |
if (cvts.capdate[0]) |
585 |
+ |
TIFFSetField(cvts.tif, TIFFTAG_DATETIME, cvts.capdate); |
586 |
+ |
if (cvts.owner[0]) |
587 |
+ |
TIFFSetField(cvts.tif, TIFFTAG_ARTIST, cvts.owner); |
588 |
|
if (cvts.comp == COMPRESSION_NONE) |
589 |
|
i1 = TIFFScanlineSize(cvts.tif); |
590 |
|
else |
621 |
|
} |
622 |
|
|
623 |
|
|
624 |
< |
int |
624 |
> |
void |
625 |
|
Luv2Color(y) /* read/convert/write Luv->COLOR scanline */ |
626 |
|
uint32 y; |
627 |
|
{ |
628 |
|
register int x; |
629 |
|
|
630 |
< |
if (CHK(C_RFLT|C_TFLT) != (C_RFLT|C_TFLT) | CHK(C_GRY)) |
630 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT)) |
631 |
|
quiterr("internal error 1 in Luv2Color"); |
632 |
|
|
633 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
634 |
|
quiterr("error reading TIFF input"); |
635 |
< |
|
635 |
> |
/* also works for float RGB */ |
636 |
|
for (x = cvts.xmax; x--; ) { |
637 |
< |
cvts.r.colors[x][RED] = cvts.t.fp[3*x]; |
638 |
< |
cvts.r.colors[x][GRN] = cvts.t.fp[3*x + 1]; |
639 |
< |
cvts.r.colors[x][BLU] = cvts.t.fp[3*x + 2]; |
637 |
> |
setcolor(cvts.r.colors[x], |
638 |
> |
cvts.t.fp[3*x], |
639 |
> |
cvts.t.fp[3*x + 1], |
640 |
> |
cvts.t.fp[3*x + 2]); |
641 |
|
if (CHK(C_CXFM)) |
642 |
|
colortrans(cvts.r.colors[x], cvts.cmat, |
643 |
|
cvts.r.colors[x]); |
656 |
|
} |
657 |
|
|
658 |
|
|
659 |
< |
int |
660 |
< |
L2Color(y) /* read/convert/write L16->COLOR scanline */ |
659 |
> |
void |
660 |
> |
RRGGBB2Color(y) /* read/convert/write RGB16->COLOR scanline */ |
661 |
|
uint32 y; |
662 |
|
{ |
663 |
+ |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
664 |
+ |
register double d; |
665 |
|
register int x; |
666 |
|
|
667 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
668 |
< |
quiterr("internal error 1 in L2Color"); |
667 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_TWRD|C_RFLT)) |
668 |
> |
quiterr("internal error 1 in RRGGBB2Color"); |
669 |
|
|
670 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
671 |
|
quiterr("error reading TIFF input"); |
672 |
|
|
673 |
< |
for (x = cvts.xmax; x--; ) |
674 |
< |
cvts.r.colors[x][RED] = |
675 |
< |
cvts.r.colors[x][GRN] = |
676 |
< |
cvts.r.colors[x][BLU] = cvts.t.fp[x] > 0. ? cvts.t.fp[x] : 0.; |
673 |
> |
for (x = cvts.xmax; x--; ) { |
674 |
> |
d = (cvts.t.wp[3*x] + 0.5)*(1./(1L<<16)); |
675 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
676 |
> |
colval(cvts.r.colors[x],RED) = d; |
677 |
> |
d = (cvts.t.wp[3*x + 1] + 0.5)*(1./(1L<<16)); |
678 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
679 |
> |
colval(cvts.r.colors[x],GRN) = d; |
680 |
> |
d = (cvts.t.wp[3*x + 2] + 0.5)*(1./(1L<<16)); |
681 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
682 |
> |
colval(cvts.r.colors[x],BLU) = d; |
683 |
> |
if (CHK(C_CXFM)) |
684 |
> |
colortrans(cvts.r.colors[x], cvts.cmat, |
685 |
> |
cvts.r.colors[x]); |
686 |
> |
if (CHK(C_GAMUT)) |
687 |
> |
clipgamut(cvts.r.colors[x], cvts.t.fp[3*x + 1], |
688 |
> |
CGAMUT_LOWER, cblack, cwhite); |
689 |
> |
} |
690 |
> |
if (cvts.bradj) { |
691 |
> |
d = pow(2.,(double)cvts.bradj); |
692 |
> |
for (x = cvts.xmax; x--; ) |
693 |
> |
scalecolor(cvts.r.colors[x], d); |
694 |
> |
} |
695 |
|
|
696 |
|
if (fwritescan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
697 |
|
quiterr("error writing Radiance picture"); |
698 |
|
} |
699 |
|
|
700 |
|
|
701 |
< |
int |
701 |
> |
void |
702 |
> |
L2Color(y) /* read/convert/write Lfloat->COLOR scanline */ |
703 |
> |
uint32 y; |
704 |
> |
{ |
705 |
> |
float m = pow(2., (double)cvts.bradj); |
706 |
> |
register int x; |
707 |
> |
|
708 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
709 |
> |
quiterr("internal error 1 in L2Color"); |
710 |
> |
|
711 |
> |
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
712 |
> |
quiterr("error reading TIFF input"); |
713 |
> |
/* also works for float greyscale */ |
714 |
> |
for (x = cvts.xmax; x--; ) { |
715 |
> |
register float f = cvts.t.fp[x]; |
716 |
> |
if (cvts.bradj) f *= m; |
717 |
> |
setcolor(cvts.r.colors[x], f, f, f); |
718 |
> |
} |
719 |
> |
if (fwritescan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
720 |
> |
quiterr("error writing Radiance picture"); |
721 |
> |
} |
722 |
> |
|
723 |
> |
|
724 |
> |
void |
725 |
|
RGB2Colr(y) /* read/convert/write RGB->COLR scanline */ |
726 |
|
uint32 y; |
727 |
|
{ |
728 |
|
COLOR ctmp; |
729 |
|
register int x; |
730 |
|
|
731 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY)) |
731 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY)) |
732 |
|
quiterr("internal error 1 in RGB2Colr"); |
733 |
|
|
734 |
|
if (cvts.pconf == PLANARCONFIG_CONTIG) { |
777 |
|
} |
778 |
|
|
779 |
|
|
780 |
< |
int |
780 |
> |
void |
781 |
|
Gry2Colr(y) /* read/convert/write G8->COLR scanline */ |
782 |
|
uint32 y; |
783 |
|
{ |
784 |
|
register int x; |
785 |
|
|
786 |
< |
if (CHK(C_RFLT|C_TFLT) | !CHK(C_GRY)) |
786 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != C_GRY) |
787 |
|
quiterr("internal error 1 in Gry2Colr"); |
788 |
|
|
789 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
803 |
|
} |
804 |
|
|
805 |
|
|
806 |
< |
int |
807 |
< |
Color2L(y) /* read/convert/write COLOR->L16 scanline */ |
806 |
> |
void |
807 |
> |
GGry2Color(y) /* read/convert/write G16->COLOR scanline */ |
808 |
|
uint32 y; |
809 |
|
{ |
810 |
< |
double m = pow(2.,(double)cvts.bradj); |
810 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
811 |
> |
double m; |
812 |
> |
register double d; |
813 |
|
register int x; |
814 |
|
|
815 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
815 |
> |
if (CHK(C_TFLT|C_TWRD|C_GRY|C_RFLT) != (C_GRY|C_RFLT|C_TWRD)) |
816 |
> |
quiterr("internal error 1 in GGry2Color"); |
817 |
> |
|
818 |
> |
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
819 |
> |
quiterr("error reading TIFF input"); |
820 |
> |
|
821 |
> |
if (cvts.bradj) |
822 |
> |
m = pow(2., (double)cvts.bradj); |
823 |
> |
for (x = cvts.xmax; x--; ) { |
824 |
> |
d = (cvts.t.wp[x] + 0.5)*(1./(1L<<16)); |
825 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
826 |
> |
if (cvts.bradj) d *= m; |
827 |
> |
colval(cvts.r.colors[x],RED) = |
828 |
> |
colval(cvts.r.colors[x],GRN) = |
829 |
> |
colval(cvts.r.colors[x],BLU) = d; |
830 |
> |
} |
831 |
> |
if (fwritescan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
832 |
> |
quiterr("error writing Radiance picture"); |
833 |
> |
} |
834 |
> |
|
835 |
> |
|
836 |
> |
void |
837 |
> |
Color2GGry(y) /* read/convert/write COLOR->G16 scanline */ |
838 |
> |
uint32 y; |
839 |
> |
{ |
840 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
841 |
> |
float m = pow(2.,(double)cvts.bradj); |
842 |
> |
register int x; |
843 |
> |
|
844 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TWRD|C_GRY)) |
845 |
> |
quiterr("internal error 1 in Color2GGry"); |
846 |
> |
|
847 |
> |
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
848 |
> |
quiterr("error reading Radiance picture"); |
849 |
> |
|
850 |
> |
for (x = cvts.xmax; x--; ) { |
851 |
> |
register float f = m*( CHK(C_XYZE) ? |
852 |
> |
colval(cvts.r.colors[x],CIEY) |
853 |
> |
: bright(cvts.r.colors[x]) ); |
854 |
> |
if (f <= 0) |
855 |
> |
cvts.t.wp[x] = 0; |
856 |
> |
else if (f >= 1) |
857 |
> |
cvts.t.wp[x] = 0xffff; |
858 |
> |
else if (dogamma) |
859 |
> |
cvts.t.wp[x] = (int)((float)(1L<<16) * |
860 |
> |
pow(f, 1./cvts.gamcor)); |
861 |
> |
else |
862 |
> |
cvts.t.wp[x] = (int)((float)(1L<<16) * f); |
863 |
> |
} |
864 |
> |
|
865 |
> |
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
866 |
> |
quiterr("error writing TIFF output"); |
867 |
> |
} |
868 |
> |
|
869 |
> |
|
870 |
> |
void |
871 |
> |
Color2L(y) /* read/convert/write COLOR->Lfloat scanline */ |
872 |
> |
uint32 y; |
873 |
> |
{ |
874 |
> |
float m = pow(2.,(double)cvts.bradj); |
875 |
> |
register int x; |
876 |
> |
|
877 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
878 |
|
quiterr("internal error 1 in Color2L"); |
879 |
|
|
880 |
|
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
889 |
|
} |
890 |
|
|
891 |
|
|
892 |
< |
int |
892 |
> |
void |
893 |
|
Color2Luv(y) /* read/convert/write COLOR->Luv scanline */ |
894 |
|
uint32 y; |
895 |
|
{ |
896 |
|
register int x; |
897 |
|
|
898 |
< |
if (CHK(C_RFLT|C_TFLT) != (C_RFLT|C_TFLT) | CHK(C_GRY)) |
898 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT)) |
899 |
|
quiterr("internal error 1 in Color2Luv"); |
900 |
|
|
901 |
|
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
910 |
|
for (x = cvts.xmax; x--; ) |
911 |
|
scalecolor(cvts.r.colors[x], m); |
912 |
|
} |
913 |
< |
|
913 |
> |
/* also works for float RGB */ |
914 |
|
for (x = cvts.xmax; x--; ) { |
915 |
< |
cvts.t.fp[3*x] = colval(cvts.r.colors[x],RED); |
916 |
< |
cvts.t.fp[3*x+1] = colval(cvts.r.colors[x],GRN); |
917 |
< |
cvts.t.fp[3*x+2] = colval(cvts.r.colors[x],BLU); |
915 |
> |
cvts.t.fp[3*x] = colval(cvts.r.colors[x],CIEX); |
916 |
> |
cvts.t.fp[3*x+1] = colval(cvts.r.colors[x],CIEY); |
917 |
> |
cvts.t.fp[3*x+2] = colval(cvts.r.colors[x],CIEZ); |
918 |
|
} |
919 |
|
|
920 |
|
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
922 |
|
} |
923 |
|
|
924 |
|
|
925 |
< |
int |
925 |
> |
void |
926 |
> |
Color2RRGGBB(y) /* read/convert/write COLOR->RGB16 scanline */ |
927 |
> |
uint32 y; |
928 |
> |
{ |
929 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
930 |
> |
float m = pow(2.,(double)cvts.bradj); |
931 |
> |
register int x, i; |
932 |
> |
|
933 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TWRD)) |
934 |
> |
quiterr("internal error 1 in Color2RRGGBB"); |
935 |
> |
|
936 |
> |
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
937 |
> |
quiterr("error reading Radiance picture"); |
938 |
> |
|
939 |
> |
for (x = cvts.xmax; x--; ) |
940 |
> |
for (i = 3; i--; ) { |
941 |
> |
register float f = m*colval(cvts.r.colors[x],i); |
942 |
> |
if (f <= 0) |
943 |
> |
cvts.t.wp[3*x + i] = 0; |
944 |
> |
else if (f >= 1) |
945 |
> |
cvts.t.wp[3*x + i] = 0xffff; |
946 |
> |
else if (dogamma) |
947 |
> |
cvts.t.wp[3*x + i] = (int)((float)(1L<<16) * |
948 |
> |
pow(f, 1./cvts.gamcor)); |
949 |
> |
else |
950 |
> |
cvts.t.wp[3*x + i] = (int)((float)(1L<<16)*f); |
951 |
> |
} |
952 |
> |
|
953 |
> |
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
954 |
> |
quiterr("error writing TIFF output"); |
955 |
> |
} |
956 |
> |
|
957 |
> |
|
958 |
> |
void |
959 |
|
Colr2Gry(y) /* read/convert/write COLR->RGB scanline */ |
960 |
|
uint32 y; |
961 |
|
{ |
962 |
|
register int x; |
963 |
|
|
964 |
< |
if (CHK(C_RFLT|C_TFLT) | !CHK(C_GRY)) |
964 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != C_GRY) |
965 |
|
quiterr("internal error 1 in Colr2Gry"); |
966 |
|
|
967 |
|
if (freadcolrs(cvts.r.colrs, cvts.xmax, cvts.rfp) < 0) |
981 |
|
} |
982 |
|
|
983 |
|
|
984 |
< |
int |
984 |
> |
void |
985 |
|
Colr2RGB(y) /* read/convert/write COLR->RGB scanline */ |
986 |
|
uint32 y; |
987 |
|
{ |
988 |
|
COLOR ctmp; |
989 |
|
register int x; |
990 |
|
|
991 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY)) |
991 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY)) |
992 |
|
quiterr("internal error 1 in Colr2RGB"); |
993 |
|
|
994 |
|
if (freadcolrs(cvts.r.colrs, cvts.xmax, cvts.rfp) < 0) |