- int i, j, numops, mode, new_mode, start, skip_acc;
- unsigned char *pptr = img->pixels + y * img->scansz + x;
+ int i, j, numops, mode, new_mode, start, skip_acc, lenbytes, pixsz = img->bpp / 8;
+ unsigned char *pptr = img->pixels + y * img->scansz + x * pixsz;