| 601 |
|
register unsigned char *dp; |
| 602 |
|
register int x, err; |
| 603 |
|
int y; |
| 604 |
< |
rgbpixel *inline; |
| 604 |
> |
rgbpixel *inl; |
| 605 |
|
short *cerr; |
| 606 |
|
|
| 607 |
< |
if ((inline = (rgbpixel *)malloc(xmax*sizeof(rgbpixel))) == NULL |
| 607 |
> |
if ((inl = (rgbpixel *)malloc(xmax*sizeof(rgbpixel))) == NULL |
| 608 |
|
|| (cerr = (short *)calloc(xmax,sizeof(short))) == NULL) |
| 609 |
|
quit("out of memory in getmono"); |
| 610 |
|
dp = ourdata - 1; |
| 611 |
|
for (y = 0; y < ymax; y++) { |
| 612 |
< |
picreadline3(y, inline); |
| 612 |
> |
picreadline3(y, inl); |
| 613 |
|
err = 0; |
| 614 |
|
for (x = 0; x < xmax; x++) { |
| 615 |
|
if (!(x&7)) |
| 616 |
|
*++dp = 0; |
| 617 |
< |
err += rgb_bright(&inline[x]) + cerr[x]; |
| 617 |
> |
err += rgb_bright(&inl[x]) + cerr[x]; |
| 618 |
|
if (err > 127) |
| 619 |
|
err -= 255; |
| 620 |
|
else |
| 622 |
|
cerr[x] = err >>= 1; |
| 623 |
|
} |
| 624 |
|
} |
| 625 |
< |
free((char *)inline); |
| 625 |
> |
free((char *)inl); |
| 626 |
|
free((char *)cerr); |
| 627 |
|
} |
| 628 |
|
|
