+bool ViewUnion::on_image_expose_event(GdkEventExpose *e)
+{
+ Glib::RefPtr<Gdk::Colormap> colormap = image.get_colormap();
+ colormap->alloc_color(color);
+ gc->set_foreground(color);
+ gc->set_background(color);
+ int w,h;
+ w = image.get_width();
+ h = image.get_height();
+ if (actual_flow > 0) {
+ switch (m_or) {
+ case 0:
+ image.get_window()->draw_rectangle(gc, 1, w/2-3, 16, 6, h-16);
+ image.get_window()->draw_rectangle(gc, 1, 0, 13, w, 6);
+ break;
+ case 1:
+ image.get_window()->draw_rectangle(gc, 1, 0, h/2-3, w/2, 6);
+ image.get_window()->draw_rectangle(gc, 1, 51, 0, 6, h);
+ break;
+ case 2:
+ image.get_window()->draw_rectangle(gc, 1, w/2-3, 0, 6, h/2);
+ image.get_window()->draw_rectangle(gc, 1, 0, 51, w, 6);
+ break;
+ case 3:
+ image.get_window()->draw_rectangle(gc, 1, w/2, h/2-3, w/2, 6);
+ image.get_window()->draw_rectangle(gc, 1, 16, 0, 6, h);
+ }
+ }
+ return true;
+}
+
+