| 542 |
|
register unsigned short *dp; |
| 543 |
|
register int x, err; |
| 544 |
|
int y; |
| 545 |
< |
rgbpixel *inline; |
| 545 |
> |
rgbpixel *inl; |
| 546 |
|
short *cerr; |
| 547 |
|
|
| 548 |
< |
if ((inline = (rgbpixel *)malloc(xmax*sizeof(rgbpixel))) == NULL |
| 548 |
> |
if ((inl = (rgbpixel *)malloc(xmax*sizeof(rgbpixel))) == NULL |
| 549 |
|
|| (cerr = (short *)calloc(xmax,sizeof(short))) == NULL) |
| 550 |
|
quit("out of memory in getmono"); |
| 551 |
|
dp = ourras->data.m - 1; |
| 552 |
|
for (y = 0; y < ymax; y++) { |
| 553 |
< |
picreadline3(y, inline); |
| 553 |
> |
picreadline3(y, inl); |
| 554 |
|
err = 0; |
| 555 |
|
for (x = 0; x < xmax; x++) { |
| 556 |
|
if (!(x&0xf)) |
| 557 |
|
*++dp = 0; |
| 558 |
< |
err += rgb_bright(&inline[x]) + cerr[x]; |
| 558 |
> |
err += rgb_bright(&inl[x]) + cerr[x]; |
| 559 |
|
if (err > 127) |
| 560 |
|
err -= 255; |
| 561 |
|
else |
| 563 |
|
cerr[x] = err >>= 1; |
| 564 |
|
} |
| 565 |
|
} |
| 566 |
< |
free((char *)inline); |
| 566 |
> |
free((char *)inl); |
| 567 |
|
free((char *)cerr); |
| 568 |
|
} |
| 569 |
|
|
