[hyena] Windows: Work around album-art flicker (bgo#644311)

[Gabriel Burt <gburt src gnome org>]

commit 39ab6a82823107d73c2cabfc9b1c3e16e2c460f9
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Wed Mar 9 08:55:45 2011 -0600

    Windows: Work around album-art flicker (bgo#644311)

 Hyena.Gui/Hyena.Gui.Canvas/TextBlock.cs |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/Hyena.Gui/Hyena.Gui.Canvas/TextBlock.cs b/Hyena.Gui/Hyena.Gui.Canvas/TextBlock.cs
index 1b8a87c..699463d 100644
--- a/Hyena.Gui/Hyena.Gui.Canvas/TextBlock.cs
+++ b/Hyena.Gui/Hyena.Gui.Canvas/TextBlock.cs
@@ -198,7 +198,14 @@ namespace Hyena.Gui.Canvas
             cr.MoveTo (text_alloc.X, text_alloc.Y);
             Foreground.Apply (cr);
             UpdateLayout (GetText (), RenderSize.Width, RenderSize.Height, true);
-            Pango.CairoHelper.ShowLayout (cr, layout);
+            if (Hyena.PlatformDetection.IsWindows) {
+              // FIXME windows; working around some unknown issue with ShowLayout; bgo#644311
+
+              cr.Antialias = Cairo.Antialias.None;
+              PangoCairoHelper.LayoutPath (cr, layout, true);
+            } else {
+              PangoCairoHelper.ShowLayout (cr, layout);
+            }
             cr.Fill ();
 
             TooltipMarkup = layout.IsEllipsized ? last_formatted_text : null;