pw=canvaswidth/w;
ph=canvasheight/h;
+ Duckmatic::set_flip_x(pw < 0);
+ Duckmatic::set_flip_y(ph > 0);
+
scrollx_adjustment.set_page_increment(abs(get_grid_size()[0]));
scrollx_adjustment.set_step_increment(abs(pw));
scrollx_adjustment.set_lower(-abs(canvaswidth));