+bool ViewUnion::on_image_expose_event(GdkEventExpose *e)
+{
+ Glib::RefPtr<Gdk::Colormap> colormap = image.get_colormap();
+ Gdk::Color blanco = Gdk::Color("white");
+ colormap->alloc_color(color);
+ colormap->alloc_color(blanco);
+ gc->set_foreground(color);
+ gc->set_background(color);
+ int w,h;
+ w = image.get_width();
+ h = image.get_height();
+ switch (m_or) {
+ case 0:
+ image.get_window()->draw_rectangle(gc, 1, w/2-2, h/2, 4, h/2);
+ gc->set_foreground(blanco);
+ image.get_window()->draw_rectangle(gc, 0, w/2-3, h/2-1, 6, h/2);
+ break;
+ case 1:
+ image.get_window()->draw_rectangle(gc, 1, 0, h/2-2, w/2, 4);
+ break;
+ case 2:
+ image.get_window()->draw_rectangle(gc, 1, w/2-2, 0, 4, h/2);
+ break;
+ case 3:
+ image.get_window()->draw_rectangle(gc, 1, w/2, h/2-2, w/2, 4);
+ }
+}
+