9 |
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10 |
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#include "copyright.h" |
11 |
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|
12 |
< |
#include <stdio.h> |
13 |
< |
#include <string.h> |
12 |
> |
#include <stdlib.h> |
13 |
|
#include <math.h> |
15 |
– |
#include <time.h> |
14 |
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|
15 |
+ |
#ifdef PCOND |
16 |
+ |
#include "paths.h" |
17 |
+ |
#endif |
18 |
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#include "tmprivat.h" |
19 |
+ |
#include "rtio.h" |
20 |
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#include "resolu.h" |
19 |
– |
#include "rtprocess.h" |
21 |
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|
22 |
< |
#ifndef TM_PIC_CTRANS |
22 |
< |
#define TM_PIC_CTRANS 1 /* transform colors? (expensive) */ |
23 |
< |
#endif |
22 |
> |
#define GAMTSZ 4096 |
23 |
|
|
25 |
– |
#define GAMTSZ 1024 |
26 |
– |
|
24 |
|
typedef struct { |
25 |
< |
BYTE gamb[GAMTSZ]; /* gamma lookup table */ |
26 |
< |
COLR clfb; /* encoded tm->clf */ |
25 |
> |
uby8 gamb[GAMTSZ]; /* gamma lookup table */ |
26 |
> |
int clfb[3]; /* encoded tm->clf */ |
27 |
> |
int32 cmatb[3][3]; /* encoded color transform */ |
28 |
|
TMbright inpsfb; /* encoded tm->inpsf */ |
29 |
|
} COLRDATA; |
30 |
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|
31 |
< |
static MEM_PTR colrInit(TMstruct *); |
31 |
> |
static void * colrInit(TMstruct *); |
32 |
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static void colrNewSpace(TMstruct *); |
33 |
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static gethfunc headline; |
34 |
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|
37 |
|
}; |
38 |
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static int colrReg = -1; /* our package registration number */ |
39 |
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|
40 |
< |
#define LOGISZ 260 |
43 |
< |
static TMbright logi[LOGISZ]; |
40 |
> |
static TMbright logi[256]; |
41 |
|
|
42 |
|
|
43 |
|
int |
44 |
|
tmCvColrs( /* convert RGBE/XYZE colors */ |
45 |
|
TMstruct *tms, |
46 |
|
TMbright *ls, |
47 |
< |
BYTE *cs, |
47 |
> |
uby8 *cs, |
48 |
|
COLR *scan, |
49 |
|
int len |
50 |
|
) |
51 |
|
{ |
52 |
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static const char funcName[] = "tmCvColrs"; |
53 |
< |
COLR cmon; |
54 |
< |
register COLRDATA *cd; |
55 |
< |
register int i, bi, li; |
53 |
> |
int cmon[4]; |
54 |
> |
COLRDATA *cd; |
55 |
> |
int i, j, bi; |
56 |
> |
int32 li, vl; |
57 |
|
|
58 |
|
if (tms == NULL) |
59 |
|
returnErr(TM_E_TMINVAL); |
60 |
|
if ((ls == NULL) | (scan == NULL) | (len < 0)) |
61 |
|
returnErr(TM_E_ILLEGAL); |
64 |
– |
#if TM_PIC_CTRANS |
65 |
– |
if (tmNeedMatrix(tms)) { /* need floating point */ |
66 |
– |
#else |
67 |
– |
if (tms->inppri == TM_XYZPRIM) { /* no way around this */ |
68 |
– |
#endif |
69 |
– |
register COLOR *newscan; |
70 |
– |
newscan = (COLOR *)tempbuffer(len*sizeof(COLOR)); |
71 |
– |
if (newscan == NULL) |
72 |
– |
returnErr(TM_E_NOMEM); |
73 |
– |
for (i = len; i--; ) |
74 |
– |
colr_color(newscan[i], scan[i]); |
75 |
– |
return(tmCvColors(tms, ls, cs, newscan, len)); |
76 |
– |
} |
62 |
|
if (colrReg < 0) { /* build tables if necessary */ |
63 |
|
colrReg = tmRegPkg(&colrPkg); |
64 |
|
if (colrReg < 0) |
65 |
|
returnErr(TM_E_CODERR1); |
66 |
|
for (i = 256; i--; ) |
67 |
|
logi[i] = TM_BRTSCALE*log((i+.5)/256.) - .5; |
83 |
– |
for (i = 256; i < LOGISZ; i++) |
84 |
– |
logi[i] = 0; |
68 |
|
tmMkMesofact(); |
69 |
|
} |
70 |
|
if ((cd = (COLRDATA *)tmPkgData(tms,colrReg)) == NULL) |
71 |
|
returnErr(TM_E_NOMEM); |
72 |
|
for (i = len; i--; ) { |
73 |
< |
copycolr(cmon, scan[i]); |
73 |
> |
if (tmNeedMatrix(tms)) { /* apply color xform */ |
74 |
> |
bi = 0; |
75 |
> |
for (j = 3; j--; ) { |
76 |
> |
vl = cd->cmatb[j][RED]*(int32)scan[i][RED] + |
77 |
> |
cd->cmatb[j][GRN]*(int32)scan[i][GRN] + |
78 |
> |
cd->cmatb[j][BLU]*(int32)scan[i][BLU] ; |
79 |
> |
if (vl < 0) |
80 |
> |
cmon[j] = vl/(int32)0x10000; |
81 |
> |
else if ((cmon[j] = vl>>16) > bi) |
82 |
> |
bi = cmon[j]; |
83 |
> |
} |
84 |
> |
cmon[EXP] = scan[i][EXP]; |
85 |
> |
while (bi >= 256) { /* handle overflow */ |
86 |
> |
cmon[EXP]++; |
87 |
> |
for (j = 3; j--; ) cmon[j] >>= 1; |
88 |
> |
bi >>= 1; |
89 |
> |
} |
90 |
> |
} else |
91 |
> |
copycolr(cmon, scan[i]); |
92 |
|
/* world luminance */ |
93 |
< |
li = ( cd->clfb[RED]*cmon[RED] + |
94 |
< |
cd->clfb[GRN]*cmon[GRN] + |
95 |
< |
cd->clfb[BLU]*cmon[BLU] ) >> 8; |
96 |
< |
bi = BRT2SCALE(cmon[EXP]-COLXS) + |
97 |
< |
logi[li] + cd->inpsfb; |
98 |
< |
if (li <= 0) { |
99 |
< |
bi = TM_NOBRT; /* bogus value */ |
100 |
< |
li = 1; /* avoid li==0 */ |
93 |
> |
li = cd->clfb[RED]*(int32)cmon[RED] + |
94 |
> |
cd->clfb[GRN]*(int32)cmon[GRN] + |
95 |
> |
cd->clfb[BLU]*(int32)cmon[BLU] ; |
96 |
> |
if (li >= 1L<<(12+8)) li = 255; |
97 |
> |
else li >>= 12; |
98 |
> |
bi = BRT2SCALE(cmon[EXP]-COLXS) + cd->inpsfb; |
99 |
> |
if (li > 0) |
100 |
> |
bi += logi[li]; |
101 |
> |
else { |
102 |
> |
bi += logi[0]; |
103 |
> |
li = 1; /* avoid /0 */ |
104 |
|
} |
105 |
|
ls[i] = bi; |
106 |
|
if (cs == TM_NOCHROM) /* no color? */ |
107 |
|
continue; |
108 |
|
/* mesopic adj. */ |
109 |
|
if (tms->flags & TM_F_MESOPIC && bi < BMESUPPER) { |
110 |
< |
register int pf, sli = normscot(cmon); |
111 |
< |
if (bi < BMESLOWER) |
110 |
> |
int pf, sli = normscot(cmon); |
111 |
> |
if (bi < BMESLOWER) { |
112 |
|
cmon[RED] = cmon[GRN] = cmon[BLU] = sli; |
113 |
< |
else { |
113 |
> |
} else { |
114 |
|
if (tms->flags & TM_F_BW) |
115 |
|
cmon[RED] = cmon[GRN] = cmon[BLU] = li; |
116 |
|
pf = tmMesofact[bi-BMESLOWER]; |
117 |
|
sli *= 256 - pf; |
118 |
< |
cmon[RED] = ( sli + pf*cmon[RED] ) >> 8; |
119 |
< |
cmon[GRN] = ( sli + pf*cmon[GRN] ) >> 8; |
120 |
< |
cmon[BLU] = ( sli + pf*cmon[BLU] ) >> 8; |
118 |
> |
for (j = 3; j--; ) { |
119 |
> |
cmon[j] = sli + pf*cmon[j]; |
120 |
> |
if (cmon[j] <= 0) cmon[j] = 0; |
121 |
> |
else cmon[j] >>= 8; |
122 |
> |
} |
123 |
|
} |
124 |
|
} else if (tms->flags & TM_F_BW) { |
125 |
< |
cmon[RED] = cmon[GRN] = cmon[BLU] = li; |
125 |
> |
for (j = 3; j--; ) |
126 |
> |
cs[3*i+j] = tms->cdiv[j]/(TM_BRES>>8); |
127 |
> |
continue; |
128 |
> |
} else { |
129 |
> |
for (j = 3; j--; ) |
130 |
> |
cmon[j] *= (cmon[j] > 0); |
131 |
|
} |
132 |
< |
bi = ( (int32)GAMTSZ*cd->clfb[RED]*cmon[RED]/li ) >> 8; |
132 |
> |
bi = ( (uint32)GAMTSZ*cd->clfb[RED]*cmon[RED]/li ) >> 12; |
133 |
|
cs[3*i ] = bi>=GAMTSZ ? 255 : cd->gamb[bi]; |
134 |
< |
bi = ( (int32)GAMTSZ*cd->clfb[GRN]*cmon[GRN]/li ) >> 8; |
134 |
> |
bi = ( (uint32)GAMTSZ*cd->clfb[GRN]*cmon[GRN]/li ) >> 12; |
135 |
|
cs[3*i+1] = bi>=GAMTSZ ? 255 : cd->gamb[bi]; |
136 |
< |
bi = ( (int32)GAMTSZ*cd->clfb[BLU]*cmon[BLU]/li ) >> 8; |
136 |
> |
bi = ( (uint32)GAMTSZ*cd->clfb[BLU]*cmon[BLU]/li ) >> 12; |
137 |
|
cs[3*i+2] = bi>=GAMTSZ ? 255 : cd->gamb[bi]; |
138 |
|
} |
139 |
|
returnOK; |
155 |
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|
156 |
|
static int |
157 |
|
headline( /* grok a header line */ |
158 |
< |
register char *s, |
158 |
> |
char *s, |
159 |
|
void *vrh |
160 |
|
) |
161 |
|
{ |
162 |
< |
char fmt[32]; |
163 |
< |
register struct radhead *rh = vrh; |
162 |
> |
char fmt[MAXFMTLEN]; |
163 |
> |
struct radhead *rh = vrh; |
164 |
|
|
165 |
|
if (formatval(fmt, s)) { |
166 |
|
if (!strcmp(fmt, COLRFMT)) |
188 |
|
tmLoadPicture( /* convert Radiance picture */ |
189 |
|
TMstruct *tms, |
190 |
|
TMbright **lpp, |
191 |
< |
BYTE **cpp, |
191 |
> |
uby8 **cpp, |
192 |
|
int *xp, |
193 |
|
int *yp, |
194 |
|
char *fname, |
232 |
|
if (*lpp == NULL) |
233 |
|
goto done; |
234 |
|
if (cpp != TM_NOCHROMP) { |
235 |
< |
*cpp = (BYTE *)malloc(3*sizeof(BYTE) * *xp * *yp); |
235 |
> |
*cpp = (uby8 *)malloc(3*sizeof(uby8) * *xp * *yp); |
236 |
|
if (*cpp == NULL) |
237 |
|
goto done; |
238 |
|
} |
254 |
|
if (fp == NULL) |
255 |
|
fclose(inpf); |
256 |
|
if (scanin != NULL) |
257 |
< |
free((MEM_PTR)scanin); |
257 |
> |
free(scanin); |
258 |
|
if (err != TM_E_OK) { |
259 |
|
if (*lpp != NULL) |
260 |
< |
free((MEM_PTR)*lpp); |
260 |
> |
free(*lpp); |
261 |
|
if (cpp != TM_NOCHROMP && *cpp != NULL) |
262 |
< |
free((MEM_PTR)*cpp); |
262 |
> |
free(*cpp); |
263 |
|
returnErr(err); |
264 |
|
} |
265 |
|
returnOK; |
269 |
|
#ifdef PCOND |
270 |
|
static int /* run pcond to map picture */ |
271 |
|
dopcond(psp, xp, yp, flags, monpri, gamval, Lddyn, Ldmax, fname) |
272 |
< |
BYTE **psp; |
272 |
> |
uby8 **psp; |
273 |
|
int *xp, *yp; |
274 |
|
int flags; |
275 |
|
RGBPRIMP monpri; |
280 |
|
TMstruct *tms = NULL; |
281 |
|
char cmdbuf[1024]; |
282 |
|
FILE *infp; |
283 |
< |
register COLR *scan; |
284 |
< |
register BYTE *rp; |
283 |
> |
COLR *scan; |
284 |
> |
uby8 *rp; |
285 |
|
int y; |
286 |
< |
register int x; |
286 |
> |
int x; |
287 |
|
/* set up gamma correction */ |
288 |
|
if (setcolrcor(pow, 1./gamval) < 0) |
289 |
|
returnErr(TM_E_NOMEM); |
320 |
|
/* allocate arrays */ |
321 |
|
scan = (COLR *)malloc(sizeof(COLR) * *xp); |
322 |
|
if (flags & TM_F_BW) |
323 |
< |
rp = (BYTE *)malloc(sizeof(BYTE) * *xp * *yp); |
323 |
> |
rp = (uby8 *)malloc(sizeof(uby8) * *xp * *yp); |
324 |
|
else |
325 |
< |
rp = (BYTE *)malloc(3*sizeof(BYTE) * *xp * *yp); |
325 |
> |
rp = (uby8 *)malloc(3*sizeof(uby8) * *xp * *yp); |
326 |
|
if (((*psp = rp) == NULL) | (scan == NULL)) { |
327 |
|
pclose(infp); |
328 |
|
returnErr(TM_E_NOMEM); |
331 |
|
for (y = 0; y < *yp; y++) { |
332 |
|
if (freadcolrs(scan, *xp, infp) < 0) { |
333 |
|
pclose(infp); |
334 |
< |
free((MEM_PTR)scan); |
335 |
< |
free((MEM_PTR)*psp); |
334 |
> |
free(scan); |
335 |
> |
free(*psp); |
336 |
|
*psp = NULL; |
337 |
|
returnErr(TM_E_BADFILE); |
338 |
|
} |
347 |
|
*rp++ = scan[x][BLU]; |
348 |
|
} |
349 |
|
} |
350 |
< |
free((MEM_PTR)scan); |
350 |
> |
free(scan); |
351 |
|
pclose(infp); |
352 |
|
returnOK; |
353 |
|
} |
356 |
|
|
357 |
|
int /* map a Radiance picture */ |
358 |
|
tmMapPicture(psp, xp, yp, flags, monpri, gamval, Lddyn, Ldmax, fname, fp) |
359 |
< |
BYTE **psp; |
359 |
> |
uby8 **psp; |
360 |
|
int *xp, *yp; |
361 |
|
int flags; |
362 |
|
RGBPRIMP monpri; |
365 |
|
FILE *fp; |
366 |
|
{ |
367 |
|
char *funcName = fname==NULL ? "tmMapPicture" : fname; |
368 |
< |
TMstruct *tms; |
369 |
< |
BYTE *cp; |
368 |
> |
TMstruct *tms = NULL; |
369 |
> |
uby8 *cp; |
370 |
|
TMbright *lp; |
371 |
|
int err; |
372 |
|
/* check arguments */ |
396 |
|
} |
397 |
|
/* allocate space for result */ |
398 |
|
if (flags & TM_F_BW) { |
399 |
< |
*psp = (BYTE *)malloc(sizeof(BYTE) * *xp * *yp); |
399 |
> |
*psp = (uby8 *)malloc(sizeof(uby8) * *xp * *yp); |
400 |
|
if (*psp == NULL) { |
401 |
< |
free((MEM_PTR)lp); |
401 |
> |
free(lp); |
402 |
|
tmDone(tms); |
403 |
|
returnErr(TM_E_NOMEM); |
404 |
|
} |
416 |
|
err = tmMapPixels(tms, *psp, lp, cp, *xp * *yp); |
417 |
|
|
418 |
|
done: /* clean up */ |
419 |
< |
free((MEM_PTR)lp); |
419 |
> |
free(lp); |
420 |
|
tmDone(tms); |
421 |
|
if (err != TM_E_OK) { /* free memory on error */ |
422 |
< |
free((MEM_PTR)*psp); |
422 |
> |
free(*psp); |
423 |
|
*psp = NULL; |
424 |
|
returnErr(err); |
425 |
|
} |
429 |
|
|
430 |
|
static void |
431 |
|
colrNewSpace(tms) /* color space changed for tone mapping */ |
432 |
< |
register TMstruct *tms; |
432 |
> |
TMstruct *tms; |
433 |
|
{ |
434 |
< |
register COLRDATA *cd; |
434 |
> |
COLRDATA *cd; |
435 |
|
double d; |
436 |
+ |
int i, j; |
437 |
|
|
438 |
|
cd = (COLRDATA *)tms->pd[colrReg]; |
439 |
< |
cd->clfb[RED] = 256.*tms->clf[RED] + .5; |
440 |
< |
cd->clfb[GRN] = 256.*tms->clf[GRN] + .5; |
441 |
< |
cd->clfb[BLU] = 256.*tms->clf[BLU] + .5; |
442 |
< |
cd->clfb[EXP] = COLXS; |
443 |
< |
d = TM_BRTSCALE*log(tms->inpsf); |
444 |
< |
cd->inpsfb = d<0. ? d-.5 : d+.5; |
439 |
> |
for (i = 3; i--; ) |
440 |
> |
cd->clfb[i] = 0x1000*tms->clf[i] + .5; |
441 |
> |
cd->inpsfb = tmCvLuminance(tms->inpsf); |
442 |
> |
for (i = 3; i--; ) |
443 |
> |
for (j = 3; j--; ) { |
444 |
> |
d = tms->cmat[i][j] / tms->inpsf; |
445 |
> |
cd->cmatb[i][j] = 0x10000*d + (d<0. ? -.5 : .5); |
446 |
> |
} |
447 |
|
} |
448 |
|
|
449 |
|
|
450 |
< |
static MEM_PTR |
450 |
> |
static void * |
451 |
|
colrInit(tms) /* initialize private data for tone mapping */ |
452 |
< |
register TMstruct *tms; |
452 |
> |
TMstruct *tms; |
453 |
|
{ |
454 |
< |
register COLRDATA *cd; |
455 |
< |
register int i; |
454 |
> |
COLRDATA *cd; |
455 |
> |
int i; |
456 |
|
/* allocate our data */ |
457 |
|
cd = (COLRDATA *)malloc(sizeof(COLRDATA)); |
458 |
|
if (cd == NULL) |
459 |
|
return(NULL); |
460 |
< |
tms->pd[colrReg] = (MEM_PTR)cd; |
460 |
> |
tms->pd[colrReg] = (void *)cd; |
461 |
|
/* compute gamma table */ |
462 |
|
for (i = GAMTSZ; i--; ) |
463 |
|
cd->gamb[i] = 256.*pow((i+.5)/GAMTSZ, 1./tms->mongam); |
464 |
|
/* compute color and scale factors */ |
465 |
|
colrNewSpace(tms); |
466 |
< |
return((MEM_PTR)cd); |
466 |
> |
return((void *)cd); |
467 |
|
} |