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 |
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#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 |
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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 |
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TMbright inpsfb; /* encoded tm->inpsf */ |
29 |
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} COLRDATA; |
30 |
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|
31 |
< |
static MEM_PTR colrInit(struct tmStruct *); |
32 |
< |
static void colrNewSpace(struct tmStruct *); |
31 |
> |
static MEM_PTR colrInit(TMstruct *); |
32 |
> |
static void colrNewSpace(TMstruct *); |
33 |
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static gethfunc headline; |
34 |
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|
35 |
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static struct tmPackage colrPkg = { /* our package functions */ |
37 |
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}; |
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 |
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|
42 |
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|
43 |
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int |
44 |
< |
tmCvColrs(ls, cs, scan, len) /* convert RGBE/XYZE colors */ |
45 |
< |
TMbright *ls; |
46 |
< |
BYTE *cs; |
47 |
< |
COLR *scan; |
48 |
< |
int len; |
44 |
> |
tmCvColrs( /* convert RGBE/XYZE colors */ |
45 |
> |
TMstruct *tms, |
46 |
> |
TMbright *ls, |
47 |
> |
uby8 *cs, |
48 |
> |
COLR *scan, |
49 |
> |
int len |
50 |
> |
) |
51 |
|
{ |
52 |
< |
static char funcName[] = "tmCvColrs"; |
53 |
< |
COLR cmon; |
54 |
< |
register COLRDATA *cd; |
55 |
< |
register int i, bi, li; |
52 |
> |
static const char funcName[] = "tmCvColrs"; |
53 |
> |
int cmon[4]; |
54 |
> |
COLRDATA *cd; |
55 |
> |
int i, j, bi; |
56 |
> |
int32 li, vl; |
57 |
|
|
58 |
< |
if (tmTop == NULL) |
58 |
> |
if (tms == NULL) |
59 |
|
returnErr(TM_E_TMINVAL); |
60 |
|
if ((ls == NULL) | (scan == NULL) | (len < 0)) |
61 |
|
returnErr(TM_E_ILLEGAL); |
62 |
– |
#if TM_PIC_CTRANS |
63 |
– |
if (tmNeedMatrix(tmTop)) { /* need floating point */ |
64 |
– |
#else |
65 |
– |
if (tmTop->inppri == TM_XYZPRIM) { /* no way around this */ |
66 |
– |
#endif |
67 |
– |
register COLOR *newscan; |
68 |
– |
newscan = (COLOR *)tempbuffer(len*sizeof(COLOR)); |
69 |
– |
if (newscan == NULL) |
70 |
– |
returnErr(TM_E_NOMEM); |
71 |
– |
for (i = len; i--; ) |
72 |
– |
colr_color(newscan[i], scan[i]); |
73 |
– |
return(tmCvColors(ls, cs, newscan, len)); |
74 |
– |
} |
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; |
81 |
– |
for (i = 256; i < LOGISZ; i++) |
82 |
– |
logi[i] = 0; |
68 |
|
tmMkMesofact(); |
69 |
|
} |
70 |
< |
if ((cd = (COLRDATA *)tmPkgData(tmTop,colrReg)) == NULL) |
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 (tmTop->flags & TM_F_MESOPIC && bi < BMESUPPER) { |
110 |
< |
register int pf, sli = normscot(cmon); |
111 |
< |
if (bi < BMESLOWER) |
109 |
> |
if (tms->flags & TM_F_MESOPIC && bi < BMESUPPER) { |
110 |
> |
int pf, sli = normscot(cmon); |
111 |
> |
if (bi < BMESLOWER) { |
112 |
|
cmon[RED] = cmon[GRN] = cmon[BLU] = sli; |
113 |
< |
else { |
114 |
< |
if (tmTop->flags & TM_F_BW) |
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 (tmTop->flags & TM_F_BW) { |
124 |
> |
} else if (tms->flags & TM_F_BW) { |
125 |
|
cmon[RED] = cmon[GRN] = cmon[BLU] = li; |
126 |
+ |
} else { |
127 |
+ |
for (j = 3; j--; ) |
128 |
+ |
cmon[j] *= (cmon[j] > 0); |
129 |
|
} |
130 |
< |
bi = ( (int32)GAMTSZ*cd->clfb[RED]*cmon[RED]/li ) >> 8; |
130 |
> |
bi = ( (uint32)GAMTSZ*cd->clfb[RED]*cmon[RED]/li ) >> 12; |
131 |
|
cs[3*i ] = bi>=GAMTSZ ? 255 : cd->gamb[bi]; |
132 |
< |
bi = ( (int32)GAMTSZ*cd->clfb[GRN]*cmon[GRN]/li ) >> 8; |
132 |
> |
bi = ( (uint32)GAMTSZ*cd->clfb[GRN]*cmon[GRN]/li ) >> 12; |
133 |
|
cs[3*i+1] = bi>=GAMTSZ ? 255 : cd->gamb[bi]; |
134 |
< |
bi = ( (int32)GAMTSZ*cd->clfb[BLU]*cmon[BLU]/li ) >> 8; |
134 |
> |
bi = ( (uint32)GAMTSZ*cd->clfb[BLU]*cmon[BLU]/li ) >> 12; |
135 |
|
cs[3*i+2] = bi>=GAMTSZ ? 255 : cd->gamb[bi]; |
136 |
|
} |
137 |
|
returnOK; |
153 |
|
|
154 |
|
static int |
155 |
|
headline( /* grok a header line */ |
156 |
< |
register char *s, |
156 |
> |
char *s, |
157 |
|
void *vrh |
158 |
|
) |
159 |
|
{ |
160 |
< |
char fmt[32]; |
161 |
< |
register struct radhead *rh = vrh; |
160 |
> |
char fmt[MAXFMTLEN]; |
161 |
> |
struct radhead *rh = vrh; |
162 |
|
|
163 |
|
if (formatval(fmt, s)) { |
164 |
|
if (!strcmp(fmt, COLRFMT)) |
183 |
|
|
184 |
|
|
185 |
|
int |
186 |
< |
tmLoadPicture(lpp, cpp, xp, yp, fname, fp) /* convert Radiance picture */ |
187 |
< |
TMbright **lpp; |
188 |
< |
BYTE **cpp; |
189 |
< |
int *xp, *yp; |
190 |
< |
char *fname; |
191 |
< |
FILE *fp; |
186 |
> |
tmLoadPicture( /* convert Radiance picture */ |
187 |
> |
TMstruct *tms, |
188 |
> |
TMbright **lpp, |
189 |
> |
uby8 **cpp, |
190 |
> |
int *xp, |
191 |
> |
int *yp, |
192 |
> |
char *fname, |
193 |
> |
FILE *fp |
194 |
> |
) |
195 |
|
{ |
196 |
|
char *funcName = fname==NULL ? "tmLoadPicture" : fname; |
197 |
|
FILE *inpf; |
200 |
|
COLR *scanin = NULL; |
201 |
|
int i; |
202 |
|
/* check arguments */ |
203 |
< |
if (tmTop == NULL) |
203 |
> |
if (tms == NULL) |
204 |
|
returnErr(TM_E_TMINVAL); |
205 |
|
if ((lpp == NULL) | (xp == NULL) | (yp == NULL) | |
206 |
|
((fname == NULL) & (fp == TM_GETFILE))) |
207 |
|
returnErr(TM_E_ILLEGAL); |
208 |
|
*xp = *yp = 0; /* error precaution */ |
209 |
< |
if ((inpf = fp) == TM_GETFILE && (inpf = fopen(fname, "r")) == NULL) |
209 |
> |
if ((inpf = fp) == TM_GETFILE && (inpf = fopen(fname, "rb")) == NULL) |
210 |
|
returnErr(TM_E_BADFILE); |
211 |
|
*lpp = NULL; |
212 |
|
if (cpp != TM_NOCHROMP) *cpp = NULL; |
223 |
|
else if (info.format == FMTCIE) |
224 |
|
info.primp = TM_XYZPRIM; |
225 |
|
/* prepare library */ |
226 |
< |
if ((err = tmSetSpace(info.primp, 1./info.expos)) != TM_E_OK) |
226 |
> |
if ((err = tmSetSpace(tms, info.primp, 1./info.expos, NULL)) != TM_E_OK) |
227 |
|
goto done; |
228 |
|
err = TM_E_NOMEM; /* allocate arrays */ |
229 |
|
*lpp = (TMbright *)malloc(sizeof(TMbright) * *xp * *yp); |
230 |
|
if (*lpp == NULL) |
231 |
|
goto done; |
232 |
|
if (cpp != TM_NOCHROMP) { |
233 |
< |
*cpp = (BYTE *)malloc(3*sizeof(BYTE) * *xp * *yp); |
233 |
> |
*cpp = (uby8 *)malloc(3*sizeof(uby8) * *xp * *yp); |
234 |
|
if (*cpp == NULL) |
235 |
|
goto done; |
236 |
|
} |
242 |
|
if (freadcolrs(scanin, *xp, inpf) < 0) { |
243 |
|
err = TM_E_BADFILE; break; |
244 |
|
} |
245 |
< |
err = tmCvColrs(*lpp + (i * *xp), |
245 |
> |
err = tmCvColrs(tms, *lpp + (i * *xp), |
246 |
|
cpp==TM_NOCHROMP ? TM_NOCHROM : *cpp + (i * 3 * *xp), |
247 |
|
scanin, *xp); |
248 |
|
if (err != TM_E_OK) |
267 |
|
#ifdef PCOND |
268 |
|
static int /* run pcond to map picture */ |
269 |
|
dopcond(psp, xp, yp, flags, monpri, gamval, Lddyn, Ldmax, fname) |
270 |
< |
BYTE **psp; |
270 |
> |
uby8 **psp; |
271 |
|
int *xp, *yp; |
272 |
|
int flags; |
273 |
|
RGBPRIMP monpri; |
275 |
|
char *fname; |
276 |
|
{ |
277 |
|
char *funcName = fname; |
278 |
+ |
TMstruct *tms = NULL; |
279 |
|
char cmdbuf[1024]; |
280 |
|
FILE *infp; |
281 |
< |
register COLR *scan; |
282 |
< |
register BYTE *rp; |
281 |
> |
COLR *scan; |
282 |
> |
uby8 *rp; |
283 |
|
int y; |
284 |
< |
register int x; |
284 |
> |
int x; |
285 |
|
/* set up gamma correction */ |
286 |
|
if (setcolrcor(pow, 1./gamval) < 0) |
287 |
|
returnErr(TM_E_NOMEM); |
318 |
|
/* allocate arrays */ |
319 |
|
scan = (COLR *)malloc(sizeof(COLR) * *xp); |
320 |
|
if (flags & TM_F_BW) |
321 |
< |
rp = (BYTE *)malloc(sizeof(BYTE) * *xp * *yp); |
321 |
> |
rp = (uby8 *)malloc(sizeof(uby8) * *xp * *yp); |
322 |
|
else |
323 |
< |
rp = (BYTE *)malloc(3*sizeof(BYTE) * *xp * *yp); |
323 |
> |
rp = (uby8 *)malloc(3*sizeof(uby8) * *xp * *yp); |
324 |
|
if (((*psp = rp) == NULL) | (scan == NULL)) { |
325 |
|
pclose(infp); |
326 |
|
returnErr(TM_E_NOMEM); |
354 |
|
|
355 |
|
int /* map a Radiance picture */ |
356 |
|
tmMapPicture(psp, xp, yp, flags, monpri, gamval, Lddyn, Ldmax, fname, fp) |
357 |
< |
BYTE **psp; |
357 |
> |
uby8 **psp; |
358 |
|
int *xp, *yp; |
359 |
|
int flags; |
360 |
|
RGBPRIMP monpri; |
363 |
|
FILE *fp; |
364 |
|
{ |
365 |
|
char *funcName = fname==NULL ? "tmMapPicture" : fname; |
366 |
< |
BYTE *cp; |
366 |
> |
TMstruct *tms = NULL; |
367 |
> |
uby8 *cp; |
368 |
|
TMbright *lp; |
369 |
|
int err; |
370 |
|
/* check arguments */ |
383 |
|
monpri, gamval, Lddyn, Ldmax, fname) ); |
384 |
|
#endif |
385 |
|
/* initialize tone mapping */ |
386 |
< |
if (tmInit(flags, monpri, gamval) == NULL) |
386 |
> |
if ((tms = tmInit(flags, monpri, gamval)) == NULL) |
387 |
|
returnErr(TM_E_NOMEM); |
388 |
|
/* load & convert picture */ |
389 |
< |
err = tmLoadPicture(&lp, (flags&TM_F_BW) ? TM_NOCHROMP : &cp, |
389 |
> |
err = tmLoadPicture(tms, &lp, (flags&TM_F_BW) ? TM_NOCHROMP : &cp, |
390 |
|
xp, yp, fname, fp); |
391 |
|
if (err != TM_E_OK) { |
392 |
< |
tmDone(NULL); |
392 |
> |
tmDone(tms); |
393 |
|
return(err); |
394 |
|
} |
395 |
|
/* allocate space for result */ |
396 |
|
if (flags & TM_F_BW) { |
397 |
< |
*psp = (BYTE *)malloc(sizeof(BYTE) * *xp * *yp); |
397 |
> |
*psp = (uby8 *)malloc(sizeof(uby8) * *xp * *yp); |
398 |
|
if (*psp == NULL) { |
399 |
|
free((MEM_PTR)lp); |
400 |
< |
tmDone(NULL); |
400 |
> |
tmDone(tms); |
401 |
|
returnErr(TM_E_NOMEM); |
402 |
|
} |
403 |
|
cp = TM_NOCHROM; |
404 |
|
} else |
405 |
|
*psp = cp; |
406 |
|
/* compute color mapping */ |
407 |
< |
err = tmAddHisto(lp, *xp * *yp, 1); |
407 |
> |
err = tmAddHisto(tms, lp, *xp * *yp, 1); |
408 |
|
if (err != TM_E_OK) |
409 |
|
goto done; |
410 |
< |
err = tmComputeMapping(gamval, Lddyn, Ldmax); |
410 |
> |
err = tmComputeMapping(tms, gamval, Lddyn, Ldmax); |
411 |
|
if (err != TM_E_OK) |
412 |
|
goto done; |
413 |
|
/* map colors */ |
414 |
< |
err = tmMapPixels(*psp, lp, cp, *xp * *yp); |
414 |
> |
err = tmMapPixels(tms, *psp, lp, cp, *xp * *yp); |
415 |
|
|
416 |
|
done: /* clean up */ |
417 |
|
free((MEM_PTR)lp); |
418 |
< |
tmDone(NULL); |
418 |
> |
tmDone(tms); |
419 |
|
if (err != TM_E_OK) { /* free memory on error */ |
420 |
|
free((MEM_PTR)*psp); |
421 |
|
*psp = NULL; |
427 |
|
|
428 |
|
static void |
429 |
|
colrNewSpace(tms) /* color space changed for tone mapping */ |
430 |
< |
register struct tmStruct *tms; |
430 |
> |
TMstruct *tms; |
431 |
|
{ |
432 |
< |
register COLRDATA *cd; |
432 |
> |
COLRDATA *cd; |
433 |
|
double d; |
434 |
+ |
int i, j; |
435 |
|
|
436 |
|
cd = (COLRDATA *)tms->pd[colrReg]; |
437 |
< |
cd->clfb[RED] = 256.*tms->clf[RED] + .5; |
438 |
< |
cd->clfb[GRN] = 256.*tms->clf[GRN] + .5; |
439 |
< |
cd->clfb[BLU] = 256.*tms->clf[BLU] + .5; |
440 |
< |
cd->clfb[EXP] = COLXS; |
441 |
< |
d = TM_BRTSCALE*log(tms->inpsf); |
442 |
< |
cd->inpsfb = d<0. ? d-.5 : d+.5; |
437 |
> |
for (i = 3; i--; ) |
438 |
> |
cd->clfb[i] = 0x1000*tms->clf[i] + .5; |
439 |
> |
cd->inpsfb = tmCvLuminance(tms->inpsf); |
440 |
> |
for (i = 3; i--; ) |
441 |
> |
for (j = 3; j--; ) { |
442 |
> |
d = tms->cmat[i][j] / tms->inpsf; |
443 |
> |
cd->cmatb[i][j] = 0x10000*d + (d<0. ? -.5 : .5); |
444 |
> |
} |
445 |
|
} |
446 |
|
|
447 |
|
|
448 |
|
static MEM_PTR |
449 |
|
colrInit(tms) /* initialize private data for tone mapping */ |
450 |
< |
register struct tmStruct *tms; |
450 |
> |
TMstruct *tms; |
451 |
|
{ |
452 |
< |
register COLRDATA *cd; |
453 |
< |
register int i; |
452 |
> |
COLRDATA *cd; |
453 |
> |
int i; |
454 |
|
/* allocate our data */ |
455 |
|
cd = (COLRDATA *)malloc(sizeof(COLRDATA)); |
456 |
|
if (cd == NULL) |