| 59 |
|
|
| 60 |
|
/* Fill our monitor gamma table */ |
| 61 |
|
static void |
| 62 |
< |
mkMonGamTable() |
| 62 |
> |
mkMonGamTable(TMstruct *tms) |
| 63 |
|
{ |
| 64 |
|
int i; |
| 65 |
|
|
| 66 |
< |
if (tmTop->mongam == cur_mongam) |
| 66 |
> |
if (tms->mongam == cur_mongam) |
| 67 |
|
return; |
| 68 |
|
for (i = MONGAMTSZ; i--; ) |
| 69 |
< |
mongamtab[i] = 256.*pow((i+.5)*(1./MONGAMTSZ), 1./tmTop->mongam); |
| 70 |
< |
cur_mongam = tmTop->mongam; |
| 69 |
> |
mongamtab[i] = 256.*pow((i+.5)*(1./MONGAMTSZ), 1./tms->mongam); |
| 70 |
> |
cur_mongam = tms->mongam; |
| 71 |
|
} |
| 72 |
|
|
| 73 |
|
|
| 131 |
|
|
| 132 |
|
/* Convert 16-bit gray scanline to encoded luminance */ |
| 133 |
|
int |
| 134 |
< |
tmCvGray16(TMbright *ls, uint16 *scan, int len, double gv) |
| 134 |
> |
tmCvGray16(TMstruct *tms, TMbright *ls, uint16 *scan, int len, double gv) |
| 135 |
|
{ |
| 136 |
|
static char funcName[] = "tmCvGray16"; |
| 137 |
|
static double cur_inpsf = 1.; |
| 139 |
|
int nshft; |
| 140 |
|
double d; |
| 141 |
|
|
| 142 |
< |
if (tmTop == NULL) |
| 142 |
> |
if (tms == NULL) |
| 143 |
|
returnErr(TM_E_TMINVAL); |
| 144 |
|
if ((ls == NULL) | (scan == NULL) | (len < 0)) |
| 145 |
|
returnErr(TM_E_ILLEGAL); |
| 148 |
|
/* initialize log table */ |
| 149 |
|
if (logtab[0] == 0.f) |
| 150 |
|
mkLogTable(); |
| 151 |
< |
if (cur_inpsf != tmTop->inpsf) |
| 152 |
< |
log_inpsf = log(cur_inpsf = tmTop->inpsf); |
| 151 |
> |
if (cur_inpsf != tms->inpsf) |
| 152 |
> |
log_inpsf = log(cur_inpsf = tms->inpsf); |
| 153 |
|
/* convert 16-bit grays */ |
| 154 |
|
while (len--) { |
| 155 |
|
nshft = normShift16(*scan); |
| 170 |
|
|
| 171 |
|
/* Convert a 48-bit RGB scanline to encoded luminance/chrominance */ |
| 172 |
|
int |
| 173 |
< |
tmCvRGB48(TMbright *ls, BYTE *cs, uint16 (*scan)[3], int len, double gv) |
| 173 |
> |
tmCvRGB48(TMstruct *tms, TMbright *ls, BYTE *cs, |
| 174 |
> |
uint16 (*scan)[3], int len, double gv) |
| 175 |
|
{ |
| 176 |
|
static char funcName[] = "tmCvRGB48"; |
| 177 |
|
static double cur_inpsf = 1.; |
| 178 |
|
static double log_inpsf = 0.; |
| 179 |
|
int i; |
| 180 |
|
|
| 181 |
< |
if (tmTop == NULL) |
| 181 |
> |
if (tms == NULL) |
| 182 |
|
returnErr(TM_E_TMINVAL); |
| 183 |
|
if ((ls == NULL) | (scan == NULL) | (len < 0)) |
| 184 |
|
returnErr(TM_E_ILLEGAL); |
| 187 |
|
/* sync input gamma table */ |
| 188 |
|
if ((gv != 1.) & (gv != cur_gam)) |
| 189 |
|
mkGamTable(gv); |
| 190 |
< |
if (tmNeedMatrix(tmTop)) { /* need floating point */ |
| 190 |
> |
if (tmNeedMatrix(tms)) { /* need floating point */ |
| 191 |
|
COLOR *newscan; |
| 192 |
|
newscan = (COLOR *)tempbuffer(len*sizeof(COLOR)); |
| 193 |
|
if (newscan == NULL) |
| 194 |
|
returnErr(TM_E_NOMEM); |
| 195 |
|
for (i = len; i--; ) |
| 196 |
|
rgb48_color(newscan[i], scan[i], gv); |
| 197 |
< |
return(tmCvColors(ls, cs, newscan, len)); |
| 197 |
> |
return(tmCvColors(tms, ls, cs, newscan, len)); |
| 198 |
|
} |
| 199 |
|
/* sync monitor gamma table */ |
| 200 |
< |
if (cs != TM_NOCHROM && tmTop->mongam != cur_mongam) |
| 201 |
< |
mkMonGamTable(); |
| 200 |
> |
if (cs != TM_NOCHROM && tms->mongam != cur_mongam) |
| 201 |
> |
mkMonGamTable(tms); |
| 202 |
|
/* initialize log table */ |
| 203 |
|
if (logtab[0] == 0.f) |
| 204 |
|
mkLogTable(); |
| 205 |
< |
if (cur_inpsf != tmTop->inpsf) |
| 206 |
< |
log_inpsf = log(cur_inpsf = tmTop->inpsf); |
| 207 |
< |
if (tmTop->flags & TM_F_MESOPIC) |
| 205 |
> |
if (cur_inpsf != tms->inpsf) |
| 206 |
> |
log_inpsf = log(cur_inpsf = tms->inpsf); |
| 207 |
> |
if (tms->flags & TM_F_MESOPIC) |
| 208 |
|
tmMkMesofact(); |
| 209 |
|
/* convert scanline */ |
| 210 |
|
for (i = len; i--; ) { |
| 224 |
|
setcolor(cmon, gamtab[imultpow2(scan[i][0],j)], |
| 225 |
|
gamtab[imultpow2(scan[i][1],j)], |
| 226 |
|
gamtab[imultpow2(scan[i][2],j)] ); |
| 227 |
< |
lum = tmTop->clf[RED]*cmon[RED]; |
| 228 |
< |
lum += tmTop->clf[GRN]*cmon[GRN]; |
| 229 |
< |
lum += tmTop->clf[BLU]*cmon[BLU]; |
| 227 |
> |
lum = tms->clf[RED]*cmon[RED]; |
| 228 |
> |
lum += tms->clf[GRN]*cmon[GRN]; |
| 229 |
> |
lum += tms->clf[BLU]*cmon[BLU]; |
| 230 |
|
/* convert to log Y */ |
| 231 |
|
j = lum * (double)(1L<<16); |
| 232 |
|
nshft2 = normShift16(j); |
| 241 |
|
if (cs == TM_NOCHROM) /* no color? */ |
| 242 |
|
continue; |
| 243 |
|
/* mesopic adj. */ |
| 244 |
< |
if (tmTop->flags & TM_F_MESOPIC && bi < BMESUPPER) { |
| 244 |
> |
if (tms->flags & TM_F_MESOPIC && bi < BMESUPPER) { |
| 245 |
|
double slum = scotlum(cmon); |
| 246 |
|
if (bi < BMESLOWER) |
| 247 |
|
setcolor(cmon, slum, slum, slum); |
| 248 |
|
else { |
| 249 |
|
double pf; |
| 250 |
|
pf = (1./256.)*tmMesofact[bi-BMESLOWER]; |
| 251 |
< |
if (tmTop->flags & TM_F_BW) |
| 251 |
> |
if (tms->flags & TM_F_BW) |
| 252 |
|
cmon[RED] = cmon[GRN] = cmon[BLU] = lum; |
| 253 |
|
slum *= 1. - pf; |
| 254 |
|
cmon[RED] = slum + pf*cmon[RED]; |
| 255 |
|
cmon[GRN] = slum + pf*cmon[GRN]; |
| 256 |
|
cmon[BLU] = slum + pf*cmon[BLU]; |
| 257 |
|
} |
| 258 |
< |
} else if (tmTop->flags & TM_F_BW) { |
| 258 |
> |
} else if (tms->flags & TM_F_BW) { |
| 259 |
|
cmon[RED] = cmon[GRN] = cmon[BLU] = lum; |
| 260 |
|
} |
| 261 |
< |
bi = (double)MONGAMTSZ*tmTop->clf[RED]*cmon[RED]/lum; |
| 261 |
> |
bi = (double)MONGAMTSZ*tms->clf[RED]*cmon[RED]/lum; |
| 262 |
|
cs[3*i ] = bi>=MONGAMTSZ ? 255 : mongamtab[bi]; |
| 263 |
< |
bi = (double)MONGAMTSZ*tmTop->clf[GRN]*cmon[GRN]/lum; |
| 263 |
> |
bi = (double)MONGAMTSZ*tms->clf[GRN]*cmon[GRN]/lum; |
| 264 |
|
cs[3*i+1] = bi>=MONGAMTSZ ? 255 : mongamtab[bi]; |
| 265 |
< |
bi = (double)MONGAMTSZ*tmTop->clf[BLU]*cmon[BLU]/lum; |
| 265 |
> |
bi = (double)MONGAMTSZ*tms->clf[BLU]*cmon[BLU]/lum; |
| 266 |
|
cs[3*i+2] = bi>=MONGAMTSZ ? 255 : mongamtab[bi]; |
| 267 |
|
} |
| 268 |
|
returnOK; |
