From 879540aec47270e8fe0fd2f83a0894ddb705b010 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Wed, 10 Oct 2012 07:41:07 +0000
Subject: [PATCH] Fix incorrect centering formula

---
 panda/src/windisplay/winGraphicsWindow.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/panda/src/windisplay/winGraphicsWindow.cxx b/panda/src/windisplay/winGraphicsWindow.cxx
index 6b4e7d1d6d..470dfe2848 100644
--- a/panda/src/windisplay/winGraphicsWindow.cxx
+++ b/panda/src/windisplay/winGraphicsWindow.cxx
@@ -954,10 +954,10 @@ calculate_metrics(bool fullscreen, DWORD window_style, WINDOW_METRICS &metrics,
     
     // A coordinate of -2 means to center the window in its client area.
     if (metrics.x == -2) {
-      metrics.x = 0.5 * (_pipe->get_display_width() - _properties.get_x_origin());
+      metrics.x = 0.5 * (_pipe->get_display_width() - _properties.get_x_size());
     }
     if (metrics.y == -2) {
-      metrics.y = 0.5 * (_pipe->get_display_height() - _properties.get_y_origin());
+      metrics.y = 0.5 * (_pipe->get_display_height() - _properties.get_y_size());
     }
     _properties.set_origin(metrics.x, metrics.y);