[pitivi] GTK3 port: Pango extents fix

[Jean-FranÃois Fortin Tam <jfft src gnome org>]

commit 0266720fd58c6f7b3f1b6a069400fc150bb75ef2
Author: Matas Brazdeikis <matas brazdeikis lt>
Date:   Thu Aug 2 18:17:28 2012 +0100

    GTK3 port: Pango extents fix

 pitivi/timeline/track.py |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/pitivi/timeline/track.py b/pitivi/timeline/track.py
index aa15d1d..1e8a15f 100644
--- a/pitivi/timeline/track.py
+++ b/pitivi/timeline/track.py
@@ -110,9 +110,11 @@ GlobalSettings.addConfigOption('clipFontColor',
 
 
 def text_size(text):
-    ink, logical = text.get_natural_extents()
-    x1, y1, x2, y2 = [pango.PIXELS(x) for x in logical]
-    return x2 - x1, y2 - y1
+    logical = pango.Rectangle()
+    tmp = pango.Rectangle()
+    text.get_natural_extents(tmp, logical)
+    pango.extents_to_pixels(logical, tmp)
+    return tmp.width, tmp.height
 
 
 #--------------------------------------------------------------#