From 30184d9f4a83f6e515fa32d8da883d49e5ec891c Mon Sep 17 00:00:00 2001
From: Mariano Reingart <reingart@gmail.com>
Date: Mon, 29 Sep 2014 03:17:30 +0000
Subject: [PATCH] Fix elliptic arc drawing for complete circle in wxQT, thanks
 @seandepagnier

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77919 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/qt/dc.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/qt/dc.cpp b/src/qt/dc.cpp
index a60a255ba1..246a5b38cd 100644
--- a/src/qt/dc.cpp
+++ b/src/qt/dc.cpp
@@ -498,8 +498,17 @@ void wxQtDCImpl::DoDrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h,
     y += penWidth / 2;
     w -= penWidth;
     h -= penWidth;
-    
-    m_qtPainter->drawPie( x, y, w, h, (int)( sa * 16 ), (int)( ( ea - sa ) * 16 ) );
+
+    double spanAngle = sa - ea;
+    if (spanAngle < -180)
+        spanAngle += 360;
+    if (spanAngle > 180)
+        spanAngle -= 360;
+
+    if ( spanAngle == 0 )
+        m_qtPainter->drawEllipse( x, y, w, h );
+    else
+        m_qtPainter->drawPie( x, y, w, h, (int)( sa * 16 ), (int)( ( ea - sa ) * 16 ) );
 }
 
 void wxQtDCImpl::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)