76     dst_roi_ = dst_roi;  in prepare()
89     int dx = tl.x - dst_roi_.x;  in feed()
90     int dy = tl.y - dst_roi_.y;  in feed()
141     int dx = tl.x - dst_roi_.x;  in feed()
142     int dy = tl.y - dst_roi_.y;  in feed()
287     Point tl_new(std::max(dst_roi_.x, tl.x - gap),  in feed()
288                  std::max(dst_roi_.y, tl.y - gap));  in feed()
289     Point br_new(std::min(dst_roi_.br().x, tl.x + img.cols + gap),  in feed()
290                  std::min(dst_roi_.br().y, tl.y + img.rows + gap));  in feed()
297     tl_new.x = dst_roi_.x + (((tl_new.x - dst_roi_.x) >> num_bands_) << num_bands_);  in feed()
298     tl_new.y = dst_roi_.y + (((tl_new.y - dst_roi_.y) >> num_bands_) << num_bands_);  in feed()
305     int dy = std::max(br_new.y - dst_roi_.br().y, 0);  in feed()
306     int dx = std::max(br_new.x - dst_roi_.br().x, 0);  in feed()
361     int y_tl = tl_new.y - dst_roi_.y;  in feed()
362     int y_br = br_new.y - dst_roi_.y;  in feed()
363     int x_tl = tl_new.x - dst_roi_.x;  in feed()
364     int x_br = br_new.x - dst_roi_.x;  in feed()