GTK.DrawingArea draw_line(GDK.GC gc, int x1, int y1, int x2, int y2)
img_begin w = GTK.DrawingArea()->set_usize(100,100); delay: g = GDK.GC(w)->set_foreground( GDK.Color(255,0,0) ); delay: for(int x = 0; x<10; x++) w->draw_line(g,x*10,0,100-x*10,99); img_end