From bbbea6167dbc5e34fb3cff4653e269fcc18ab937 Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu@tomeuvizoso.net>
Date: Wed, 11 Jul 2007 09:02:43 +0000
Subject: gtk.gdk.pixbuf.get_from_drawable can return None in many occasions (patch from Reinier Heeres).

---
(limited to 'sugar/activity/activity.py')

diff --git a/sugar/activity/activity.py b/sugar/activity/activity.py
index 3202703..d63b66e 100644
--- a/sugar/activity/activity.py
+++ b/sugar/activity/activity.py
@@ -312,6 +312,8 @@ class Activity(Window, gtk.Container):
 
     def _get_preview(self):
         preview_pixbuf = self.get_canvas_screenshot()
+        if preview_pixbuf is None:
+            return None
         preview_pixbuf = preview_pixbuf.scale_simple(units.grid_to_pixels(4),
                                                      units.grid_to_pixels(3),
                                                      gtk.gdk.INTERP_BILINEAR)
--
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