379 |
|
sprintf(buf, "%.3f", intens(cval)/exposure); |
380 |
|
break; |
381 |
|
case 'l': /* luminance */ |
382 |
< |
sprintf(buf, "%.0fn", luminance(cval)/exposure); |
382 |
> |
sprintf(buf, "%.0fL", luminance(cval)/exposure); |
383 |
|
break; |
384 |
|
case 'c': /* color */ |
385 |
|
comp = pow(2.0, (double)scale); |
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 |
|
|
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); |