diff --git a/pango-view/viewer-pangocairo.c b/pango-view/viewer-pangocairo.c
index 3e89320..1a2cd20 100644
--- a/pango-view/viewer-pangocairo.c
+++ b/pango-view/viewer-pangocairo.c
@@ -143,6 +143,16 @@ render_callback (PangoLayout *layout,
   cairo_save (cr);
   cairo_translate (cr, x, y);
 
+  cairo_rectangle (cr, 40, 20, 100, 70);
+  cairo_rectangle (cr, 00, 40+50, 100, 40);
+  cairo_rectangle (cr, 20, 40+50+40, 100, 40);
+  cairo_clip (cr);
+
+  cairo_save (cr);
+  cairo_set_source_rgb (cr, 1.0, 0, 0);
+  cairo_paint (cr);
+  cairo_restore (cr);
+
   if (annotate)
     {
       cairo_pattern_t *pattern;
