- abld.half(i).ADD(half(offset(delta_xy, abld, 0), i),
- half(this->pixel_x, i), xstart);
- abld.half(i).ADD(half(offset(delta_xy, abld, 1), i),
- half(this->pixel_y, i), ystart);
+ abld.quarter(i).ADD(quarter(offset(delta_xy, abld, 0), i),
+ quarter(this->pixel_x, i), xstart);
+ abld.quarter(i).ADD(quarter(offset(delta_xy, abld, 1), i),
+ quarter(this->pixel_y, i), ystart);