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 |
+ |
#include <string.h> |
15 |
+ |
|
16 |
+ |
#include "platform.h" |
17 |
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#include "tiffio.h" |
18 |
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#include "color.h" |
19 |
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#include "resolu.h" |
20 |
|
|
21 |
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#define GAMCOR 2.2 /* default gamma */ |
22 |
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|
20 |
– |
#ifndef malloc |
21 |
– |
extern char *malloc(); |
22 |
– |
#endif |
23 |
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/* conversion flags */ |
24 |
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#define C_CXFM 0x1 /* needs color transformation */ |
25 |
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#define C_GAMUT 0x2 /* needs gamut mapping */ |
28 |
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#define C_XYZE 0x10 /* Radiance is XYZE */ |
29 |
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#define C_RFLT 0x20 /* Radiance data is float */ |
30 |
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#define C_TFLT 0x40 /* TIFF data is float */ |
31 |
< |
#define C_PRIM 0x80 /* has assigned primaries */ |
31 |
> |
#define C_TWRD 0x80 /* TIFF data is 16-bit */ |
32 |
> |
#define C_PRIM 0x100 /* has assigned primaries */ |
33 |
|
|
34 |
+ |
typedef void colcvf_t(uint32 y); |
35 |
+ |
|
36 |
|
struct { |
37 |
|
uint16 flags; /* conversion flags (defined above) */ |
38 |
+ |
char capdate[20]; /* capture date/time */ |
39 |
+ |
char owner[256]; /* content owner */ |
40 |
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uint16 comp; /* TIFF compression type */ |
41 |
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uint16 phot; /* TIFF photometric type */ |
42 |
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uint16 pconf; /* TIFF planar configuration */ |
57 |
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} r; /* Radiance scanline */ |
58 |
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union { |
59 |
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uint8 *bp; /* byte pointer */ |
60 |
+ |
uint16 *wp; /* word pointer */ |
61 |
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float *fp; /* float pointer */ |
62 |
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char *p; /* generic pointer */ |
63 |
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} t; /* TIFF scanline */ |
64 |
< |
int (*tf)(); /* translation procedure */ |
64 |
> |
colcvf_t *tf; /* translation procedure */ |
65 |
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} cvts = { /* conversion structure */ |
66 |
< |
0, COMPRESSION_NONE, PHOTOMETRIC_RGB, |
66 |
> |
0, "", "", COMPRESSION_NONE, PHOTOMETRIC_RGB, |
67 |
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PLANARCONFIG_CONTIG, GAMCOR, 0, 1, 1., 1., |
68 |
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}; |
69 |
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|
72 |
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#define CLR(f) (cvts.flags &= ~(f)) |
73 |
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#define TGL(f) (cvts.flags ^= (f)) |
74 |
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|
75 |
< |
int Luv2Color(), L2Color(), RGB2Colr(), Gry2Colr(); |
76 |
< |
int Color2Luv(), Color2L(), Colr2RGB(), Colr2Gry(); |
75 |
> |
static colcvf_t Luv2Color, L2Color, RGB2Colr, Gry2Colr; |
76 |
> |
static colcvf_t Color2Luv, Color2L, Colr2RGB, Colr2Gry; |
77 |
> |
static colcvf_t RRGGBB2Color, GGry2Color, Color2RRGGBB, Color2GGry; |
78 |
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|
79 |
+ |
static gethfunc headline; |
80 |
+ |
static void quiterr(char *err); |
81 |
+ |
static void allocbufs(void); |
82 |
+ |
static void initfromtif(void); |
83 |
+ |
static void tiff2ra(int ac, char *av[]); |
84 |
+ |
static void initfromrad(void); |
85 |
+ |
static void ra2tiff(int ac, char *av[]); |
86 |
+ |
|
87 |
+ |
|
88 |
+ |
|
89 |
+ |
#define RfGfBf2Color Luv2Color |
90 |
+ |
#define Gryf2Color L2Color |
91 |
+ |
#define Color2Gryf Color2L |
92 |
+ |
#define Color2RfGfBf Color2Luv |
93 |
+ |
|
94 |
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short ortab[8] = { /* orientation conversion table */ |
95 |
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YMAJOR|YDECR, |
96 |
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YMAJOR|YDECR|XDECR, |
104 |
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|
105 |
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#define pixorder() ortab[cvts.orient-1] |
106 |
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|
107 |
+ |
extern char TMSTR[]; /* "CAPDATE=" from header.c */ |
108 |
+ |
char OWNSTR[] = "OWNER="; |
109 |
+ |
|
110 |
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char *progname; |
111 |
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|
112 |
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|
113 |
< |
main(argc, argv) |
114 |
< |
int argc; |
90 |
< |
char *argv[]; |
113 |
> |
int |
114 |
> |
main(int argc, char *argv[]) |
115 |
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{ |
116 |
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int reverse = 0; |
117 |
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int i; |
138 |
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cvts.comp = COMPRESSION_SGILOG24; |
139 |
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cvts.phot = PHOTOMETRIC_LOGLUV; |
140 |
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break; |
141 |
+ |
case 'w': /* 16-bit/primary output? */ |
142 |
+ |
TGL(C_TWRD); |
143 |
+ |
break; |
144 |
+ |
case 'f': /* IEEE float output? */ |
145 |
+ |
TGL(C_TFLT); |
146 |
+ |
break; |
147 |
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case 'b': /* greyscale output? */ |
148 |
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TGL(C_GRY); |
149 |
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break; |
174 |
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|
175 |
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if (i != argc-2) |
176 |
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goto userr; |
177 |
< |
|
178 |
< |
if (CHK(C_GRY)) /* consistency corrections */ |
177 |
> |
/* consistency checks */ |
178 |
> |
if (CHK(C_GRY)) { |
179 |
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if (cvts.phot == PHOTOMETRIC_RGB) |
180 |
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cvts.phot = PHOTOMETRIC_MINISBLACK; |
181 |
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else { |
182 |
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cvts.phot = PHOTOMETRIC_LOGL; |
183 |
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cvts.comp = COMPRESSION_SGILOG; |
184 |
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} |
185 |
+ |
} |
186 |
+ |
if (CHK(C_TWRD|C_TFLT) == (C_TWRD|C_TFLT)) |
187 |
+ |
goto userr; |
188 |
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|
189 |
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ra2tiff(i, argv); |
190 |
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} |
192 |
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exit(0); |
193 |
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userr: |
194 |
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fprintf(stderr, |
195 |
< |
"Usage: %s [-z|-L|-l][-b][-e +/-stops][-g gamma] {in.pic|-} out.tif\n", |
195 |
> |
"Usage: %s [-z|-L|-l|-f|-w][-b][-e +/-stops][-g gamma] {in.hdr|-} out.tif\n", |
196 |
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progname); |
197 |
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fprintf(stderr, |
198 |
< |
" Or: %s -r [-x][-e +/-stops][-g gamma] in.tif [out.pic|-]\n", |
198 |
> |
" Or: %s -r [-x][-e +/-stops][-g gamma] in.tif [out.hdr|-]\n", |
199 |
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progname); |
200 |
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exit(1); |
201 |
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} |
202 |
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|
203 |
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|
204 |
< |
quiterr(err) /* print message and exit */ |
205 |
< |
char *err; |
204 |
> |
static void |
205 |
> |
quiterr( /* print message and exit */ |
206 |
> |
char *err |
207 |
> |
) |
208 |
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{ |
209 |
|
if (err != NULL) { |
210 |
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fprintf(stderr, "%s: %s\n", progname, err); |
214 |
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} |
215 |
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|
216 |
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|
217 |
< |
allocbufs() /* allocate scanline buffers */ |
217 |
> |
static void |
218 |
> |
allocbufs(void) /* allocate scanline buffers */ |
219 |
|
{ |
220 |
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int rsiz, tsiz; |
221 |
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|
222 |
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rsiz = CHK(C_RFLT) ? sizeof(COLOR) : sizeof(COLR); |
223 |
< |
tsiz = (CHK(C_TFLT) ? sizeof(float) : sizeof(uint8)) * |
223 |
> |
tsiz = (CHK(C_TFLT) ? sizeof(float) : |
224 |
> |
CHK(C_TWRD) ? sizeof(uint16) : sizeof(uint8)) * |
225 |
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(CHK(C_GRY) ? 1 : 3); |
226 |
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cvts.r.p = (char *)malloc(rsiz*cvts.xmax); |
227 |
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cvts.t.p = (char *)malloc(tsiz*cvts.xmax); |
228 |
< |
if (cvts.r.p == NULL | cvts.t.p == NULL) |
228 |
> |
if ((cvts.r.p == NULL) | (cvts.t.p == NULL)) |
229 |
|
quiterr("no memory to allocate scanline buffers"); |
230 |
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} |
231 |
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|
232 |
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|
233 |
< |
initfromtif() /* initialize conversion from TIFF input */ |
233 |
> |
static void |
234 |
> |
initfromtif(void) /* initialize conversion from TIFF input */ |
235 |
|
{ |
236 |
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uint16 hi; |
237 |
+ |
char *cp; |
238 |
|
float *fa, f1, f2; |
239 |
|
|
240 |
< |
CLR(C_GRY|C_GAMMA|C_PRIM|C_RFLT|C_TFLT|C_CXFM); |
240 |
> |
CLR(C_GRY|C_GAMMA|C_PRIM|C_RFLT|C_TFLT|C_TWRD|C_CXFM); |
241 |
|
|
242 |
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TIFFGetFieldDefaulted(cvts.tif, TIFFTAG_PLANARCONFIG, &cvts.pconf); |
243 |
|
|
276 |
|
cpcolormat(cvts.cmat, xyz2rgbmat); |
277 |
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SET(C_CXFM|C_GAMUT); |
278 |
|
} else if (cvts.comp == COMPRESSION_SGILOG) |
279 |
< |
SET(C_GAMUT); |
279 |
> |
SET(C_GAMUT); /* may be outside XYZ gamut */ |
280 |
|
if (cvts.pconf != PLANARCONFIG_CONTIG) |
281 |
|
quiterr("cannot handle separate Luv planes"); |
282 |
|
TIFFSetField(cvts.tif, TIFFTAG_SGILOGDATAFMT, |
300 |
|
quiterr("unsupported photometric type"); |
301 |
|
/* fall through */ |
302 |
|
case PHOTOMETRIC_RGB: |
303 |
< |
SET(C_GAMMA|C_GAMUT); |
303 |
> |
SET(C_GAMMA); |
304 |
|
setcolrgam(cvts.gamcor); |
305 |
|
if (CHK(C_XYZE)) { |
306 |
< |
comprgb2xyzmat(cvts.cmat, |
306 |
> |
comprgb2xyzWBmat(cvts.cmat, |
307 |
|
CHK(C_PRIM) ? cvts.prims : stdprims); |
308 |
|
SET(C_CXFM); |
309 |
|
} |
310 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, &hi) || |
311 |
|
hi != 3) |
312 |
|
quiterr("unsupported samples per pixel for RGB"); |
313 |
< |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi) || |
314 |
< |
hi != 8) |
313 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi)) |
314 |
> |
hi = -1; |
315 |
> |
switch (hi) { |
316 |
> |
case 8: |
317 |
> |
cvts.tf = RGB2Colr; |
318 |
> |
break; |
319 |
> |
case 16: |
320 |
> |
cvts.tf = RRGGBB2Color; |
321 |
> |
SET(C_RFLT|C_TWRD); |
322 |
> |
break; |
323 |
> |
case 32: |
324 |
> |
cvts.tf = RfGfBf2Color; |
325 |
> |
SET(C_RFLT|C_TFLT); |
326 |
> |
break; |
327 |
> |
default: |
328 |
|
quiterr("unsupported bits per sample for RGB"); |
329 |
< |
cvts.tf = RGB2Colr; |
329 |
> |
} |
330 |
|
break; |
331 |
|
case PHOTOMETRIC_MINISBLACK: |
332 |
< |
SET(C_GRY|C_GAMMA|C_GAMUT); |
332 |
> |
SET(C_GRY|C_GAMMA); |
333 |
> |
setcolrgam(cvts.gamcor); |
334 |
|
cvts.pconf = PLANARCONFIG_CONTIG; |
335 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, &hi) || |
336 |
|
hi != 1) |
337 |
|
quiterr("unsupported samples per pixel for greyscale"); |
338 |
< |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi) || |
339 |
< |
hi != 8) |
340 |
< |
quiterr("unsupported bits per sample for greyscale"); |
341 |
< |
cvts.tf = Gry2Colr; |
338 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, &hi)) |
339 |
> |
hi = -1; |
340 |
> |
switch (hi) { |
341 |
> |
case 8: |
342 |
> |
cvts.tf = Gry2Colr; |
343 |
> |
break; |
344 |
> |
case 16: |
345 |
> |
cvts.tf = GGry2Color; |
346 |
> |
SET(C_RFLT|C_TWRD); |
347 |
> |
break; |
348 |
> |
case 32: |
349 |
> |
cvts.tf = Gryf2Color; |
350 |
> |
SET(C_RFLT|C_TFLT); |
351 |
> |
break; |
352 |
> |
default: |
353 |
> |
quiterr("unsupported bits per sample for Gray"); |
354 |
> |
} |
355 |
|
break; |
356 |
|
default: |
357 |
|
quiterr("unsupported photometric type"); |
363 |
|
quiterr("unknown input image resolution"); |
364 |
|
|
365 |
|
if (!TIFFGetField(cvts.tif, TIFFTAG_STONITS, &cvts.stonits)) |
366 |
< |
cvts.stonits = 1.; |
366 |
> |
cvts.stonits = -1.; |
367 |
> |
|
368 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_DATETIME, &cp)) |
369 |
> |
cvts.capdate[0] = '\0'; |
370 |
> |
else { |
371 |
> |
strncpy(cvts.capdate, cp, 19); |
372 |
> |
cvts.capdate[19] = '\0'; |
373 |
> |
} |
374 |
> |
if (!TIFFGetField(cvts.tif, TIFFTAG_ARTIST, &cp)) |
375 |
> |
cvts.owner[0] = '\0'; |
376 |
> |
else { |
377 |
> |
strncpy(cvts.owner, cp, sizeof(cvts.owner)); |
378 |
> |
cvts.owner[sizeof(cvts.owner)-1] = '\0'; |
379 |
> |
} |
380 |
|
/* add to Radiance header */ |
381 |
|
if (cvts.pixrat < .99 || cvts.pixrat > 1.01) |
382 |
|
fputaspect(cvts.pixrat, cvts.rfp); |
383 |
|
if (CHK(C_XYZE)) { |
384 |
< |
fputexpos(pow(2.,(double)cvts.bradj)/cvts.stonits, cvts.rfp); |
384 |
> |
if (cvts.stonits > .0) |
385 |
> |
fputexpos(pow(2.,(double)cvts.bradj)/cvts.stonits, cvts.rfp); |
386 |
|
fputformat(CIEFMT, cvts.rfp); |
387 |
|
} else { |
388 |
|
if (CHK(C_PRIM)) |
389 |
|
fputprims(cvts.prims, cvts.rfp); |
390 |
< |
fputexpos(WHTEFFICACY*pow(2.,(double)cvts.bradj)/cvts.stonits, |
391 |
< |
cvts.rfp); |
390 |
> |
if (cvts.stonits > .0) |
391 |
> |
fputexpos(WHTEFFICACY*pow(2.,(double)cvts.bradj)/cvts.stonits, |
392 |
> |
cvts.rfp); |
393 |
|
fputformat(COLRFMT, cvts.rfp); |
394 |
|
} |
395 |
+ |
if (cvts.capdate[0]) |
396 |
+ |
fprintf(cvts.rfp, "%s %s\n", TMSTR, cvts.capdate); |
397 |
+ |
if (cvts.owner[0]) |
398 |
+ |
fprintf(cvts.rfp, "%s %s\n", OWNSTR, cvts.owner); |
399 |
|
|
400 |
|
allocbufs(); /* allocate scanline buffers */ |
401 |
|
} |
402 |
|
|
403 |
|
|
404 |
< |
tiff2ra(ac, av) /* convert TIFF image to Radiance picture */ |
405 |
< |
int ac; |
406 |
< |
char *av[]; |
404 |
> |
static void |
405 |
> |
tiff2ra( /* convert TIFF image to Radiance picture */ |
406 |
> |
int ac, |
407 |
> |
char *av[] |
408 |
> |
) |
409 |
|
{ |
410 |
|
int32 y; |
411 |
|
/* open TIFF input */ |
416 |
|
cvts.rfp = stdout; |
417 |
|
else if ((cvts.rfp = fopen(av[ac+1], "w")) == NULL) |
418 |
|
quiterr("cannot open Radiance output picture"); |
419 |
+ |
SET_FILE_BINARY(cvts.rfp); |
420 |
|
/* start output header */ |
421 |
|
newheader("RADIANCE", cvts.rfp); |
422 |
|
printargs(ac, av, cvts.rfp); |
434 |
|
} |
435 |
|
|
436 |
|
|
437 |
< |
int |
438 |
< |
headline(s) /* process Radiance input header line */ |
439 |
< |
char *s; |
437 |
> |
static int |
438 |
> |
headline( /* process Radiance input header line */ |
439 |
> |
char *s, |
440 |
> |
void *p |
441 |
> |
) |
442 |
|
{ |
443 |
< |
char fmt[32]; |
443 |
> |
static int tmstrlen = 0; |
444 |
> |
static int ownstrlen = 0; |
445 |
> |
char fmt[MAXFMTLEN]; |
446 |
|
|
447 |
+ |
if (!tmstrlen) |
448 |
+ |
tmstrlen = strlen(TMSTR); |
449 |
+ |
if (!ownstrlen) |
450 |
+ |
ownstrlen = strlen(OWNSTR); |
451 |
|
if (formatval(fmt, s)) { |
452 |
|
if (!strcmp(fmt, COLRFMT)) |
453 |
|
CLR(C_XYZE); |
455 |
|
SET(C_XYZE); |
456 |
|
else |
457 |
|
quiterr("unrecognized input picture format"); |
458 |
< |
return; |
458 |
> |
return(1); |
459 |
|
} |
460 |
|
if (isexpos(s)) { |
461 |
|
cvts.stonits /= exposval(s); |
462 |
< |
return; |
462 |
> |
return(1); |
463 |
|
} |
464 |
|
if (isaspect(s)) { |
465 |
|
cvts.pixrat *= aspectval(s); |
466 |
< |
return; |
466 |
> |
return(1); |
467 |
|
} |
468 |
|
if (isprims(s)) { |
469 |
|
primsval(cvts.prims, s); |
470 |
|
SET(C_PRIM); |
471 |
< |
return; |
471 |
> |
return(1); |
472 |
|
} |
473 |
+ |
if (isdate(s)) { |
474 |
+ |
if (s[tmstrlen] == ' ') |
475 |
+ |
strncpy(cvts.capdate, s+tmstrlen+1, 19); |
476 |
+ |
else |
477 |
+ |
strncpy(cvts.capdate, s+tmstrlen, 19); |
478 |
+ |
cvts.capdate[19] = '\0'; |
479 |
+ |
return(1); |
480 |
+ |
} |
481 |
+ |
if (!strncmp(s, OWNSTR, ownstrlen)) { |
482 |
+ |
register char *cp = s + ownstrlen; |
483 |
+ |
|
484 |
+ |
while (isspace(*cp)) |
485 |
+ |
++cp; |
486 |
+ |
strncpy(cvts.owner, cp, sizeof(cvts.owner)); |
487 |
+ |
cvts.owner[sizeof(cvts.owner)-1] = '\0'; |
488 |
+ |
for (cp = cvts.owner; *cp; cp++) |
489 |
+ |
; |
490 |
+ |
while (cp > cvts.owner && isspace(cp[-1])) |
491 |
+ |
*--cp = '\0'; |
492 |
+ |
return(1); |
493 |
+ |
} |
494 |
+ |
return(0); |
495 |
|
} |
496 |
|
|
497 |
|
|
498 |
< |
initfromrad() /* initialize input from a Radiance picture */ |
498 |
> |
static void |
499 |
> |
initfromrad(void) /* initialize input from a Radiance picture */ |
500 |
|
{ |
501 |
|
int i1, i2, po; |
502 |
|
/* read Radiance header */ |
503 |
< |
CLR(C_RFLT|C_TFLT|C_XYZE|C_PRIM|C_GAMMA|C_CXFM); |
503 |
> |
CLR(C_RFLT|C_XYZE|C_PRIM|C_GAMMA|C_CXFM); |
504 |
> |
cvts.capdate[0] = '\0'; |
505 |
> |
cvts.owner[0] = '\0'; |
506 |
|
cvts.stonits = 1.; |
507 |
|
cvts.pixrat = 1.; |
508 |
|
cvts.pconf = PLANARCONFIG_CONTIG; |
528 |
|
switch (cvts.phot) { |
529 |
|
case PHOTOMETRIC_LOGLUV: |
530 |
|
SET(C_RFLT|C_TFLT); |
531 |
< |
CLR(C_GRY); |
531 |
> |
CLR(C_GRY|C_TWRD); |
532 |
|
if (!CHK(C_XYZE)) { |
533 |
< |
cpcolormat(cvts.cmat, rgb2xyzmat); |
533 |
> |
comprgb2xyzWBmat(cvts.cmat, |
534 |
> |
CHK(C_PRIM) ? cvts.prims : stdprims); |
535 |
|
SET(C_CXFM); |
536 |
|
} |
537 |
|
if (cvts.comp != COMPRESSION_SGILOG && |
543 |
|
break; |
544 |
|
case PHOTOMETRIC_LOGL: |
545 |
|
SET(C_GRY|C_RFLT|C_TFLT); |
546 |
+ |
CLR(C_TWRD); |
547 |
|
if (cvts.comp != COMPRESSION_SGILOG) |
548 |
|
quiterr("internal error 3 in initfromrad"); |
549 |
|
TIFFSetField(cvts.tif, TIFFTAG_SGILOGDATAFMT, |
555 |
|
CLR(C_GRY); |
556 |
|
setcolrgam(cvts.gamcor); |
557 |
|
if (CHK(C_XYZE)) { |
558 |
< |
compxyz2rgbmat(cvts.cmat, |
558 |
> |
compxyz2rgbWBmat(cvts.cmat, |
559 |
|
CHK(C_PRIM) ? cvts.prims : stdprims); |
560 |
|
SET(C_CXFM); |
561 |
|
} |
565 |
|
TIFFSetField(cvts.tif, TIFFTAG_WHITEPOINT, |
566 |
|
(float *)cvts.prims[WHT]); |
567 |
|
} |
568 |
< |
cvts.tf = Colr2RGB; |
568 |
> |
if (CHK(C_TWRD)) { |
569 |
> |
cvts.tf = Color2RRGGBB; |
570 |
> |
SET(C_RFLT); |
571 |
> |
} else if (CHK(C_TFLT)) { |
572 |
> |
TIFFSetField(cvts.tif, TIFFTAG_SAMPLEFORMAT, |
573 |
> |
SAMPLEFORMAT_IEEEFP); |
574 |
> |
cvts.tf = Color2RfGfBf; |
575 |
> |
SET(C_RFLT); |
576 |
> |
CLR(C_GAMUT); |
577 |
> |
} else |
578 |
> |
cvts.tf = Colr2RGB; |
579 |
|
break; |
580 |
|
case PHOTOMETRIC_MINISBLACK: |
581 |
|
SET(C_GRY|C_GAMMA|C_GAMUT); |
582 |
|
setcolrgam(cvts.gamcor); |
583 |
< |
cvts.tf = Colr2Gry; |
583 |
> |
if (CHK(C_TWRD)) { |
584 |
> |
cvts.tf = Color2GGry; |
585 |
> |
SET(C_RFLT); |
586 |
> |
} else if (CHK(C_TFLT)) { |
587 |
> |
TIFFSetField(cvts.tif, TIFFTAG_SAMPLEFORMAT, |
588 |
> |
SAMPLEFORMAT_IEEEFP); |
589 |
> |
cvts.tf = Color2Gryf; |
590 |
> |
SET(C_RFLT); |
591 |
> |
} else |
592 |
> |
cvts.tf = Colr2Gry; |
593 |
|
break; |
594 |
|
default: |
595 |
|
quiterr("internal error 4 in initfromrad"); |
599 |
|
TIFFSetField(cvts.tif, TIFFTAG_IMAGEWIDTH, cvts.xmax); |
600 |
|
TIFFSetField(cvts.tif, TIFFTAG_IMAGELENGTH, cvts.ymax); |
601 |
|
TIFFSetField(cvts.tif, TIFFTAG_SAMPLESPERPIXEL, CHK(C_GRY) ? 1 : 3); |
602 |
< |
TIFFSetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, CHK(C_TFLT) ? 32 : 8); |
602 |
> |
TIFFSetField(cvts.tif, TIFFTAG_BITSPERSAMPLE, |
603 |
> |
CHK(C_TFLT) ? 32 : CHK(C_TWRD) ? 16 : 8); |
604 |
|
TIFFSetField(cvts.tif, TIFFTAG_XRESOLUTION, 72.); |
605 |
|
TIFFSetField(cvts.tif, TIFFTAG_YRESOLUTION, 72./cvts.pixrat); |
606 |
|
TIFFSetField(cvts.tif, TIFFTAG_ORIENTATION, cvts.orient); |
608 |
|
TIFFSetField(cvts.tif, TIFFTAG_PLANARCONFIG, cvts.pconf); |
609 |
|
TIFFSetField(cvts.tif, TIFFTAG_STONITS, |
610 |
|
cvts.stonits/pow(2.,(double)cvts.bradj)); |
611 |
+ |
if (cvts.capdate[0]) |
612 |
+ |
TIFFSetField(cvts.tif, TIFFTAG_DATETIME, cvts.capdate); |
613 |
+ |
if (cvts.owner[0]) |
614 |
+ |
TIFFSetField(cvts.tif, TIFFTAG_ARTIST, cvts.owner); |
615 |
|
if (cvts.comp == COMPRESSION_NONE) |
616 |
|
i1 = TIFFScanlineSize(cvts.tif); |
617 |
|
else |
624 |
|
} |
625 |
|
|
626 |
|
|
627 |
< |
ra2tiff(ac, av) /* convert Radiance picture to TIFF image */ |
628 |
< |
int ac; |
629 |
< |
char *av[]; |
627 |
> |
static void |
628 |
> |
ra2tiff( /* convert Radiance picture to TIFF image */ |
629 |
> |
int ac, |
630 |
> |
char *av[] |
631 |
> |
) |
632 |
|
{ |
633 |
|
uint32 y; |
634 |
|
/* open Radiance file */ |
636 |
|
cvts.rfp = stdin; |
637 |
|
else if ((cvts.rfp = fopen(av[ac], "r")) == NULL) |
638 |
|
quiterr("cannot open Radiance input picture"); |
639 |
+ |
SET_FILE_BINARY(cvts.rfp); |
640 |
|
/* open TIFF file */ |
641 |
|
if ((cvts.tif = TIFFOpen(av[ac+1], "w")) == NULL) |
642 |
|
quiterr("cannot open TIFF output"); |
651 |
|
} |
652 |
|
|
653 |
|
|
654 |
< |
int |
655 |
< |
Luv2Color(y) /* read/convert/write Luv->COLOR scanline */ |
656 |
< |
uint32 y; |
654 |
> |
static void |
655 |
> |
Luv2Color( /* read/convert/write Luv->COLOR scanline */ |
656 |
> |
uint32 y |
657 |
> |
) |
658 |
|
{ |
659 |
|
register int x; |
660 |
|
|
661 |
< |
if (CHK(C_RFLT|C_TFLT) != (C_RFLT|C_TFLT) | CHK(C_GRY)) |
661 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT)) |
662 |
|
quiterr("internal error 1 in Luv2Color"); |
663 |
|
|
664 |
+ |
if (cvts.pconf != PLANARCONFIG_CONTIG) |
665 |
+ |
quiterr("cannot handle separate 32-bit color planes"); |
666 |
+ |
|
667 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
668 |
|
quiterr("error reading TIFF input"); |
669 |
< |
|
669 |
> |
/* also works for float RGB */ |
670 |
|
for (x = cvts.xmax; x--; ) { |
671 |
< |
cvts.r.colors[x][RED] = cvts.t.fp[3*x]; |
672 |
< |
cvts.r.colors[x][GRN] = cvts.t.fp[3*x + 1]; |
673 |
< |
cvts.r.colors[x][BLU] = cvts.t.fp[3*x + 2]; |
671 |
> |
setcolor(cvts.r.colors[x], |
672 |
> |
cvts.t.fp[3*x], |
673 |
> |
cvts.t.fp[3*x + 1], |
674 |
> |
cvts.t.fp[3*x + 2]); |
675 |
|
if (CHK(C_CXFM)) |
676 |
|
colortrans(cvts.r.colors[x], cvts.cmat, |
677 |
|
cvts.r.colors[x]); |
690 |
|
} |
691 |
|
|
692 |
|
|
693 |
< |
int |
694 |
< |
L2Color(y) /* read/convert/write L16->COLOR scanline */ |
695 |
< |
uint32 y; |
693 |
> |
static void |
694 |
> |
RRGGBB2Color( /* read/convert/write RGB16->COLOR scanline */ |
695 |
> |
uint32 y |
696 |
> |
) |
697 |
|
{ |
698 |
+ |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
699 |
+ |
register double d; |
700 |
|
register int x; |
701 |
|
|
702 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
703 |
< |
quiterr("internal error 1 in L2Color"); |
702 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_TWRD|C_RFLT)) |
703 |
> |
quiterr("internal error 1 in RRGGBB2Color"); |
704 |
|
|
705 |
+ |
if (cvts.pconf != PLANARCONFIG_CONTIG) |
706 |
+ |
quiterr("cannot handle separate 16-bit color planes"); |
707 |
+ |
|
708 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
709 |
|
quiterr("error reading TIFF input"); |
710 |
|
|
711 |
< |
for (x = cvts.xmax; x--; ) |
712 |
< |
cvts.r.colors[x][RED] = |
713 |
< |
cvts.r.colors[x][GRN] = |
714 |
< |
cvts.r.colors[x][BLU] = cvts.t.fp[x] > 0. ? cvts.t.fp[x] : 0.; |
711 |
> |
for (x = cvts.xmax; x--; ) { |
712 |
> |
d = (cvts.t.wp[3*x] + 0.5)*(1./(1L<<16)); |
713 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
714 |
> |
colval(cvts.r.colors[x],RED) = d; |
715 |
> |
d = (cvts.t.wp[3*x + 1] + 0.5)*(1./(1L<<16)); |
716 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
717 |
> |
colval(cvts.r.colors[x],GRN) = d; |
718 |
> |
d = (cvts.t.wp[3*x + 2] + 0.5)*(1./(1L<<16)); |
719 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
720 |
> |
colval(cvts.r.colors[x],BLU) = d; |
721 |
> |
if (CHK(C_CXFM)) |
722 |
> |
colortrans(cvts.r.colors[x], cvts.cmat, |
723 |
> |
cvts.r.colors[x]); |
724 |
> |
} |
725 |
> |
if (cvts.bradj) { |
726 |
> |
d = pow(2.,(double)cvts.bradj); |
727 |
> |
for (x = cvts.xmax; x--; ) |
728 |
> |
scalecolor(cvts.r.colors[x], d); |
729 |
> |
} |
730 |
|
|
731 |
|
if (fwritescan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
732 |
|
quiterr("error writing Radiance picture"); |
733 |
|
} |
734 |
|
|
735 |
|
|
736 |
< |
int |
737 |
< |
RGB2Colr(y) /* read/convert/write RGB->COLR scanline */ |
738 |
< |
uint32 y; |
736 |
> |
static void |
737 |
> |
L2Color( /* read/convert/write Lfloat->COLOR scanline */ |
738 |
> |
uint32 y |
739 |
> |
) |
740 |
|
{ |
741 |
+ |
float m = pow(2., (double)cvts.bradj); |
742 |
+ |
register int x; |
743 |
+ |
|
744 |
+ |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
745 |
+ |
quiterr("internal error 1 in L2Color"); |
746 |
+ |
|
747 |
+ |
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
748 |
+ |
quiterr("error reading TIFF input"); |
749 |
+ |
/* also works for float greyscale */ |
750 |
+ |
for (x = cvts.xmax; x--; ) { |
751 |
+ |
register float f = cvts.t.fp[x]; |
752 |
+ |
if (cvts.bradj) f *= m; |
753 |
+ |
setcolor(cvts.r.colors[x], f, f, f); |
754 |
+ |
} |
755 |
+ |
if (fwritescan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
756 |
+ |
quiterr("error writing Radiance picture"); |
757 |
+ |
} |
758 |
+ |
|
759 |
+ |
|
760 |
+ |
static void |
761 |
+ |
RGB2Colr( /* read/convert/write RGB->COLR scanline */ |
762 |
+ |
uint32 y |
763 |
+ |
) |
764 |
+ |
{ |
765 |
|
COLOR ctmp; |
766 |
|
register int x; |
767 |
|
|
768 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY)) |
768 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY)) |
769 |
|
quiterr("internal error 1 in RGB2Colr"); |
770 |
|
|
771 |
|
if (cvts.pconf == PLANARCONFIG_CONTIG) { |
780 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
781 |
|
goto readerr; |
782 |
|
if (TIFFReadScanline(cvts.tif, |
783 |
< |
(tidata_t)(cvts.t.bp + cvts.xmax), y, 1) < 0) |
783 |
> |
(tdata_t)(cvts.t.bp + cvts.xmax), y, 1) < 0) |
784 |
|
goto readerr; |
785 |
|
if (TIFFReadScanline(cvts.tif, |
786 |
< |
(tidata_t)(cvts.t.bp + 2*cvts.xmax), y, 2) < 0) |
786 |
> |
(tdata_t)(cvts.t.bp + 2*cvts.xmax), y, 2) < 0) |
787 |
|
goto readerr; |
788 |
|
for (x = cvts.xmax; x--; ) { |
789 |
|
cvts.r.colrs[x][RED] = cvts.t.bp[x]; |
814 |
|
} |
815 |
|
|
816 |
|
|
817 |
< |
int |
818 |
< |
Gry2Colr(y) /* read/convert/write G8->COLR scanline */ |
819 |
< |
uint32 y; |
817 |
> |
static void |
818 |
> |
Gry2Colr( /* read/convert/write G8->COLR scanline */ |
819 |
> |
uint32 y |
820 |
> |
) |
821 |
|
{ |
822 |
|
register int x; |
823 |
|
|
824 |
< |
if (CHK(C_RFLT|C_TFLT) | !CHK(C_GRY)) |
824 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != C_GRY) |
825 |
|
quiterr("internal error 1 in Gry2Colr"); |
826 |
|
|
827 |
|
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
841 |
|
} |
842 |
|
|
843 |
|
|
844 |
< |
int |
845 |
< |
Color2L(y) /* read/convert/write COLOR->L16 scanline */ |
846 |
< |
uint32 y; |
844 |
> |
static void |
845 |
> |
GGry2Color( /* read/convert/write G16->COLOR scanline */ |
846 |
> |
uint32 y |
847 |
> |
) |
848 |
|
{ |
849 |
< |
double m = pow(2.,(double)cvts.bradj); |
849 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
850 |
> |
double m; |
851 |
> |
register double d; |
852 |
|
register int x; |
853 |
|
|
854 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
854 |
> |
if (CHK(C_TFLT|C_TWRD|C_GRY|C_RFLT) != (C_GRY|C_RFLT|C_TWRD)) |
855 |
> |
quiterr("internal error 1 in GGry2Color"); |
856 |
> |
|
857 |
> |
if (TIFFReadScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
858 |
> |
quiterr("error reading TIFF input"); |
859 |
> |
|
860 |
> |
if (cvts.bradj) |
861 |
> |
m = pow(2., (double)cvts.bradj); |
862 |
> |
for (x = cvts.xmax; x--; ) { |
863 |
> |
d = (cvts.t.wp[x] + 0.5)*(1./(1L<<16)); |
864 |
> |
if (dogamma) d = pow(d, cvts.gamcor); |
865 |
> |
if (cvts.bradj) d *= m; |
866 |
> |
colval(cvts.r.colors[x],RED) = |
867 |
> |
colval(cvts.r.colors[x],GRN) = |
868 |
> |
colval(cvts.r.colors[x],BLU) = d; |
869 |
> |
} |
870 |
> |
if (fwritescan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
871 |
> |
quiterr("error writing Radiance picture"); |
872 |
> |
} |
873 |
> |
|
874 |
> |
|
875 |
> |
static void |
876 |
> |
Color2GGry( /* read/convert/write COLOR->G16 scanline */ |
877 |
> |
uint32 y |
878 |
> |
) |
879 |
> |
{ |
880 |
> |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
881 |
> |
float m = pow(2.,(double)cvts.bradj); |
882 |
> |
register int x; |
883 |
> |
|
884 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TWRD|C_GRY)) |
885 |
> |
quiterr("internal error 1 in Color2GGry"); |
886 |
> |
|
887 |
> |
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
888 |
> |
quiterr("error reading Radiance picture"); |
889 |
> |
|
890 |
> |
for (x = cvts.xmax; x--; ) { |
891 |
> |
register float f = m*( CHK(C_XYZE) ? |
892 |
> |
colval(cvts.r.colors[x],CIEY) |
893 |
> |
: bright(cvts.r.colors[x]) ); |
894 |
> |
if (f <= 0) |
895 |
> |
cvts.t.wp[x] = 0; |
896 |
> |
else if (f >= 1) |
897 |
> |
cvts.t.wp[x] = 0xffff; |
898 |
> |
else if (dogamma) |
899 |
> |
cvts.t.wp[x] = (int)((float)(1L<<16) * |
900 |
> |
pow(f, 1./cvts.gamcor)); |
901 |
> |
else |
902 |
> |
cvts.t.wp[x] = (int)((float)(1L<<16) * f); |
903 |
> |
} |
904 |
> |
|
905 |
> |
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
906 |
> |
quiterr("error writing TIFF output"); |
907 |
> |
} |
908 |
> |
|
909 |
> |
|
910 |
> |
static void |
911 |
> |
Color2L( /* read/convert/write COLOR->Lfloat scanline */ |
912 |
> |
uint32 y |
913 |
> |
) |
914 |
> |
{ |
915 |
> |
float m = pow(2.,(double)cvts.bradj); |
916 |
> |
register int x; |
917 |
> |
|
918 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TFLT|C_GRY)) |
919 |
|
quiterr("internal error 1 in Color2L"); |
920 |
|
|
921 |
|
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
930 |
|
} |
931 |
|
|
932 |
|
|
933 |
< |
int |
934 |
< |
Color2Luv(y) /* read/convert/write COLOR->Luv scanline */ |
935 |
< |
uint32 y; |
933 |
> |
static void |
934 |
> |
Color2Luv( /* read/convert/write COLOR->Luv scanline */ |
935 |
> |
uint32 y |
936 |
> |
) |
937 |
|
{ |
938 |
|
register int x; |
939 |
|
|
940 |
< |
if (CHK(C_RFLT|C_TFLT) != (C_RFLT|C_TFLT) | CHK(C_GRY)) |
940 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != (C_RFLT|C_TFLT)) |
941 |
|
quiterr("internal error 1 in Color2Luv"); |
942 |
|
|
943 |
|
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
952 |
|
for (x = cvts.xmax; x--; ) |
953 |
|
scalecolor(cvts.r.colors[x], m); |
954 |
|
} |
955 |
+ |
/* also works for float RGB */ |
956 |
+ |
for (x = cvts.xmax; x--; ) { |
957 |
+ |
cvts.t.fp[3*x] = colval(cvts.r.colors[x],CIEX); |
958 |
+ |
cvts.t.fp[3*x+1] = colval(cvts.r.colors[x],CIEY); |
959 |
+ |
cvts.t.fp[3*x+2] = colval(cvts.r.colors[x],CIEZ); |
960 |
+ |
} |
961 |
|
|
962 |
+ |
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
963 |
+ |
quiterr("error writing TIFF output"); |
964 |
+ |
} |
965 |
+ |
|
966 |
+ |
|
967 |
+ |
static void |
968 |
+ |
Color2RRGGBB( /* read/convert/write COLOR->RGB16 scanline */ |
969 |
+ |
uint32 y |
970 |
+ |
) |
971 |
+ |
{ |
972 |
+ |
int dogamma = (cvts.gamcor < 0.99) | (cvts.gamcor > 1.01); |
973 |
+ |
float m = pow(2.,(double)cvts.bradj); |
974 |
+ |
register int x, i; |
975 |
+ |
|
976 |
+ |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY) != (C_RFLT|C_TWRD)) |
977 |
+ |
quiterr("internal error 1 in Color2RRGGBB"); |
978 |
+ |
|
979 |
+ |
if (freadscan(cvts.r.colors, cvts.xmax, cvts.rfp) < 0) |
980 |
+ |
quiterr("error reading Radiance picture"); |
981 |
+ |
|
982 |
|
for (x = cvts.xmax; x--; ) { |
983 |
< |
cvts.t.fp[3*x] = colval(cvts.r.colors[x],RED); |
984 |
< |
cvts.t.fp[3*x+1] = colval(cvts.r.colors[x],GRN); |
985 |
< |
cvts.t.fp[3*x+2] = colval(cvts.r.colors[x],BLU); |
983 |
> |
if (CHK(C_CXFM)) { |
984 |
> |
colortrans(cvts.r.colors[x], cvts.cmat, |
985 |
> |
cvts.r.colors[x]); |
986 |
> |
if (CHK(C_GAMUT)) |
987 |
> |
clipgamut(cvts.r.colors[x], bright(cvts.r.colors[x]), |
988 |
> |
CGAMUT_LOWER, cblack, cwhite); |
989 |
> |
} |
990 |
> |
for (i = 3; i--; ) { |
991 |
> |
register float f = m*colval(cvts.r.colors[x],i); |
992 |
> |
if (f <= 0) |
993 |
> |
cvts.t.wp[3*x + i] = 0; |
994 |
> |
else if (f >= 1) |
995 |
> |
cvts.t.wp[3*x + i] = 0xffff; |
996 |
> |
else if (dogamma) |
997 |
> |
cvts.t.wp[3*x + i] = (int)((float)(1L<<16) * |
998 |
> |
pow(f, 1./cvts.gamcor)); |
999 |
> |
else |
1000 |
> |
cvts.t.wp[3*x + i] = (int)((float)(1L<<16)*f); |
1001 |
> |
} |
1002 |
|
} |
1003 |
|
|
1004 |
|
if (TIFFWriteScanline(cvts.tif, cvts.t.p, y, 0) < 0) |
1006 |
|
} |
1007 |
|
|
1008 |
|
|
1009 |
< |
int |
1010 |
< |
Colr2Gry(y) /* read/convert/write COLR->RGB scanline */ |
1011 |
< |
uint32 y; |
1009 |
> |
static void |
1010 |
> |
Colr2Gry( /* read/convert/write COLR->RGB scanline */ |
1011 |
> |
uint32 y |
1012 |
> |
) |
1013 |
|
{ |
1014 |
|
register int x; |
1015 |
|
|
1016 |
< |
if (CHK(C_RFLT|C_TFLT) | !CHK(C_GRY)) |
1016 |
> |
if (CHK(C_RFLT|C_TWRD|C_TFLT|C_GRY) != C_GRY) |
1017 |
|
quiterr("internal error 1 in Colr2Gry"); |
1018 |
|
|
1019 |
|
if (freadcolrs(cvts.r.colrs, cvts.xmax, cvts.rfp) < 0) |
1033 |
|
} |
1034 |
|
|
1035 |
|
|
1036 |
< |
int |
1037 |
< |
Colr2RGB(y) /* read/convert/write COLR->RGB scanline */ |
1038 |
< |
uint32 y; |
1036 |
> |
static void |
1037 |
> |
Colr2RGB( /* read/convert/write COLR->RGB scanline */ |
1038 |
> |
uint32 y |
1039 |
> |
) |
1040 |
|
{ |
1041 |
|
COLOR ctmp; |
1042 |
|
register int x; |
1043 |
|
|
1044 |
< |
if (CHK(C_RFLT|C_TFLT|C_GRY)) |
1044 |
> |
if (CHK(C_RFLT|C_TFLT|C_TWRD|C_GRY)) |
1045 |
|
quiterr("internal error 1 in Colr2RGB"); |
1046 |
|
|
1047 |
|
if (freadcolrs(cvts.r.colrs, cvts.xmax, cvts.rfp) < 0) |