| 72 |
|
|
| 73 |
|
double exposure = 1.0; /* exposure compensation used */ |
| 74 |
|
|
| 75 |
+ |
int wrongformat = 0; /* input in another format */ |
| 76 |
+ |
|
| 77 |
|
struct { |
| 78 |
|
int xmin, ymin, xsiz, ysiz; |
| 79 |
|
} box = {0, 0, 0, 0}; /* current box */ |
| 143 |
|
} |
| 144 |
|
} |
| 145 |
|
/* get header */ |
| 146 |
< |
getheader(fin, headline); |
| 146 |
> |
getheader(fin, headline, NULL); |
| 147 |
|
/* get picture dimensions */ |
| 148 |
< |
if (fgetresolu(&xmax, &ymax, fin) != (YMAJOR|YDECR)) |
| 148 |
> |
if (wrongformat || fgetresolu(&xmax, &ymax, fin) != (YMAJOR|YDECR)) |
| 149 |
|
quiterr("bad picture size"); |
| 150 |
|
/* set view parameters */ |
| 151 |
|
if (gotview && setview(&ourview) != NULL) |
| 170 |
|
{ |
| 171 |
|
static char *altname[] = {"rview","rpict",VIEWSTR,NULL}; |
| 172 |
|
register char **an; |
| 173 |
+ |
char fmt[32]; |
| 174 |
|
|
| 175 |
|
if (isexpos(s)) |
| 176 |
|
exposure *= exposval(s); |
| 177 |
< |
else |
| 177 |
> |
else if (isformat(s)) { |
| 178 |
> |
formatval(fmt, s); |
| 179 |
> |
wrongformat = strcmp(fmt, COLRFMT); |
| 180 |
> |
} else |
| 181 |
|
for (an = altname; *an != NULL; an++) |
| 182 |
|
if (!strncmp(*an, s, strlen(*an))) { |
| 183 |
|
if (sscanview(&ourview, s+strlen(*an)) > 0) |
| 293 |
|
} |
| 294 |
|
return; |
| 295 |
|
memerr: |
| 296 |
< |
quit("out of memory"); |
| 296 |
> |
quiterr("out of memory"); |
| 297 |
|
} |
| 298 |
|
|
| 299 |
|
|
| 379 |
|
sprintf(buf, "%.3f", intens(cval)/exposure); |
| 380 |
|
break; |
| 381 |
|
case 'l': /* luminance */ |
| 382 |
< |
sprintf(buf, "%.0fn", bright(cval)*683.0/exposure); |
| 382 |
> |
sprintf(buf, "%.0fL", luminance(cval)/exposure); |
| 383 |
|
break; |
| 384 |
|
case 'c': /* color */ |
| 385 |
|
comp = pow(2.0, (double)scale); |
| 413 |
|
XFeep(0); |
| 414 |
|
return(-1); |
| 415 |
|
} |
| 416 |
< |
viewray(rorg, rdir, &ourview, (ekey->x-xoff+.5)/xmax, |
| 417 |
< |
(ymax-1-ekey->y+yoff+.5)/ymax); |
| 416 |
> |
if (viewray(rorg, rdir, &ourview, (ekey->x-xoff+.5)/xmax, |
| 417 |
> |
(ymax-1-ekey->y+yoff+.5)/ymax) < 0) |
| 418 |
> |
return(-1); |
| 419 |
|
printf("%e %e %e ", rorg[0], rorg[1], rorg[2]); |
| 420 |
|
printf("%e %e %e\n", rdir[0], rdir[1], rdir[2]); |
| 421 |
|
fflush(stdout); |
| 548 |
|
{ |
| 549 |
|
register unsigned short *dp; |
| 550 |
|
register int x, err; |
| 551 |
< |
int y; |
| 551 |
> |
int y, errp; |
| 552 |
|
rgbpixel *inl; |
| 553 |
|
short *cerr; |
| 554 |
|
|
| 555 |
|
if ((inl = (rgbpixel *)malloc(xmax*sizeof(rgbpixel))) == NULL |
| 556 |
|
|| (cerr = (short *)calloc(xmax,sizeof(short))) == NULL) |
| 557 |
< |
quit("out of memory in getmono"); |
| 557 |
> |
quiterr("out of memory in getmono"); |
| 558 |
|
dp = ourras->data.m - 1; |
| 559 |
|
for (y = 0; y < ymax; y++) { |
| 560 |
|
picreadline3(y, inl); |
| 562 |
|
for (x = 0; x < xmax; x++) { |
| 563 |
|
if (!(x&0xf)) |
| 564 |
|
*++dp = 0; |
| 565 |
+ |
errp = err; |
| 566 |
|
err += rgb_bright(&inl[x]) + cerr[x]; |
| 567 |
|
if (err > 127) |
| 568 |
|
err -= 255; |
| 569 |
|
else |
| 570 |
|
*dp |= 1<<(x&0xf); |
| 571 |
< |
cerr[x] = err >>= 1; |
| 571 |
> |
err /= 3; |
| 572 |
> |
cerr[x] = err + errp; |
| 573 |
|
} |
| 574 |
|
} |
| 575 |
|
free((char *)inl); |
| 643 |
|
if (scanpos == NULL || scanpos[y] == -1) |
| 644 |
|
return(-1); |
| 645 |
|
if (fseek(fin, scanpos[y], 0) == -1) |
| 646 |
< |
quit("fseek error"); |
| 646 |
> |
quiterr("fseek error"); |
| 647 |
|
cury = y; |
| 648 |
|
} else if (scanpos != NULL) |
| 649 |
|
scanpos[y] = ftell(fin); |
| 689 |
|
register int i, val; |
| 690 |
|
|
| 691 |
|
for (i = 0; i < 256; i++) { |
| 692 |
< |
val = pow(i/256.0, 1.0/gamcor) * 256.0; |
| 692 |
> |
val = pow((i+0.5)/256.0, 1.0/gamcor) * 256.0; |
| 693 |
|
map[0][i] = map[1][i] = map[2][i] = val; |
| 694 |
|
} |
| 695 |
|
} |
