From af94b565a66465b07617c147961d1c92335d6f44 Mon Sep 17 00:00:00 2001
From: "blizzard%redhat.com" <blizzard%redhat.com>
Date: Mon, 4 Nov 2002 21:32:36 +0000
Subject: [PATCH] Bug #178045.  floating point error when using gtk2 on
 startup.  Make sure to check if the gtk dpi is greater than zero.  r=owen
 sr=scc a=jesup

---
 gfx/src/gtk/nsDeviceContextGTK.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gfx/src/gtk/nsDeviceContextGTK.cpp b/gfx/src/gtk/nsDeviceContextGTK.cpp
index 43b84d3c67a..28361c9bb32 100644
--- a/gfx/src/gtk/nsDeviceContextGTK.cpp
+++ b/gfx/src/gtk/nsDeviceContextGTK.cpp
@@ -1030,8 +1030,8 @@ GetOSDPI(void)
                  NULL);
   }
 
-  if (dpi)
-    return NSToCoordRound(dpi / PANGO_SCALE);
+  if (dpi > 0)
+    return NSToCoordRound(dpi / 1024.0);
 
   // try to get it from xft
   PRInt32 xftdpi = GetXftDPI();