| 71 |
|
returnErr(TM_E_NOMEM); |
| 72 |
|
for (i = len; 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) cmon[j] = vl/0x10000; |
| 80 |
< |
else cmon[j] = vl>>16; |
| 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 */ |
| 125 |
|
cmon[RED] = cmon[GRN] = cmon[BLU] = li; |
| 126 |
|
} else { |
| 127 |
|
for (j = 3; j--; ) |
| 128 |
< |
if (cmon[j] < 0) cmon[j] = 0; |
| 128 |
> |
cmon[j] *= (cmon[j] > 0); |
| 129 |
|
} |
| 130 |
|
bi = ( (uint32)GAMTSZ*cd->clfb[RED]*cmon[RED]/li ) >> 12; |
| 131 |
|
cs[3*i ] = bi>=GAMTSZ ? 255 : cd->gamb[bi]; |
