439 |
|
double val = TM_BRES * exp( |
440 |
|
( d + (tms->mbrmin+i)*(1./TM_BRTSCALE) ) |
441 |
|
/ gamval); |
442 |
< |
tms->lumap[i] = val >= (double)0xffff ? 0xffff : (int)val; |
442 |
> |
tms->lumap[i] = val; |
443 |
> |
if (sizeof(TMAP_TYP) == 2 && val >= 0xffff) |
444 |
> |
tms->lumap[i] = 0xffff; |
445 |
|
} |
446 |
|
returnOK; |
447 |
|
} |
499 |
|
if ((histo == NULL) | (cumf == NULL)) |
500 |
|
returnErr(TM_E_NOMEM); |
501 |
|
cumf[histlen+1] = 1.; /* guard for assignment code */ |
502 |
< |
for (i = histlen; i--; ) /* make malleable copy */ |
503 |
< |
histo[i] = tms->histo[i]; |
502 |
> |
/* make malleable copy */ |
503 |
> |
memcpy((MEM_PTR)histo, (MEM_PTR)tms->histo, histlen*sizeof(HIST_TYP)); |
504 |
|
do { /* iterate to solution */ |
505 |
|
sum = 0; /* cumulative probability */ |
506 |
|
for (i = 0; i < histlen; i++) { |
565 |
|
) |
566 |
|
{ |
567 |
|
static const char funcName[] = "tmMapPixels"; |
568 |
< |
int32 li, pv; |
568 |
> |
TMbright lv; |
569 |
> |
TMAP_TYP li; |
570 |
> |
int pv; |
571 |
|
|
572 |
|
if (tms == NULL || tms->lumap == NULL) |
573 |
|
returnErr(TM_E_TMINVAL); |
574 |
|
if ((ps == NULL) | (ls == NULL) | (len < 0)) |
575 |
|
returnErr(TM_E_ILLEGAL); |
576 |
|
while (len--) { |
577 |
< |
if ((li = *ls++) < tms->mbrmin) { |
577 |
> |
if ((lv = *ls++) < tms->mbrmin) { |
578 |
|
li = 0; |
579 |
|
} else { |
580 |
< |
if (li > tms->mbrmax) |
581 |
< |
li = tms->mbrmax; |
582 |
< |
li = tms->lumap[li - tms->mbrmin]; |
580 |
> |
if (lv > tms->mbrmax) |
581 |
> |
lv = tms->mbrmax; |
582 |
> |
li = tms->lumap[lv - tms->mbrmin]; |
583 |
|
} |
584 |
|
if (cs == TM_NOCHROM) |
585 |
< |
*ps++ = li>255 ? 255 : li; |
585 |
> |
*ps++ = li>=TM_BRES ? 255 : (int)(256*li/TM_BRES); |
586 |
|
else { |
587 |
|
pv = *cs++ * li / tms->cdiv[RED]; |
588 |
|
*ps++ = pv>255 ? 255 : pv; |
597 |
|
|
598 |
|
|
599 |
|
TMstruct * |
600 |
< |
tmDup( /* duplicate top tone mapping */ |
600 |
> |
tmDup( /* duplicate tone mapping */ |
601 |
|
TMstruct *tms |
602 |
|
) |
603 |
|
{ |