#include <gtk/gtk.h>

static void 
reload (void)
{

  static GtkWidget *window, *box, *image1, *image2, *image3;
  static GdkPixbuf *pixbuf;

  image1 = NULL; image2 = NULL; image3 = NULL;

  if (!window)
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

  if (box)
    {
      gtk_widget_destroy (box);
    }
  box = gtk_vbox_new (TRUE, 0);
  gtk_container_add (GTK_CONTAINER (window), box);

  pixbuf = gdk_pixbuf_new_from_file_at_scale ("testimage.svg",
                                              500, 100, FALSE, NULL);
  if (pixbuf)
    {
      image1 = gtk_image_new_from_pixbuf (pixbuf);
      g_object_unref (pixbuf);
    }

  pixbuf = gdk_pixbuf_new_from_file_at_scale ("testimage.svg",
                                              500, 100 / 2.0, FALSE, NULL);
  if (pixbuf)
    {
      image2 = gtk_image_new_from_pixbuf (pixbuf);
      g_object_unref (pixbuf);
    }

  pixbuf = gdk_pixbuf_new_from_file_at_scale ("testimage.svg",
                                              500 / 2.0, 100, FALSE, NULL);
  if (pixbuf)
    {
      image3 = gtk_image_new_from_pixbuf (pixbuf);
      g_object_unref (pixbuf);
    }

  if (image1)
    gtk_container_add (GTK_CONTAINER (box), image1);

  if (image2)
    gtk_container_add (GTK_CONTAINER (box), image2);

  if (image3)
    gtk_container_add (GTK_CONTAINER (box), image3);

  gtk_widget_show_all (window);
}

int
main (int argc,
      char **argv)
{

  gtk_init (&argc, &argv);
  g_timeout_add (1000, reload, NULL);
  gtk_main ();

  return 0;
}