From d39a556b656f9aa2b4742ec3fc96ff448a5e7540 Mon Sep 17 00:00:00 2001
From: ouv <ouv@opencascade.com>
Date: Wed, 13 Oct 2010 16:22:00 +0000
Subject: [PATCH] Additional fix for issue 0020938: EDF 1450 GEOM: center of
 zoom

---
 src/OCCViewer/OCCViewer_ViewPort3d.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/OCCViewer/OCCViewer_ViewPort3d.cxx b/src/OCCViewer/OCCViewer_ViewPort3d.cxx
index ef78fa84c..0703c8f80 100755
--- a/src/OCCViewer/OCCViewer_ViewPort3d.cxx
+++ b/src/OCCViewer/OCCViewer_ViewPort3d.cxx
@@ -337,9 +337,11 @@ void OCCViewer_ViewPort3d::zoom( int x0, int y0, int x, int y )
     // as OCCT respects a sign of only dx,
     // but we want both signes to be taken into account
     //activeView()->Zoom( x0, y0, x, y );
+#if OCC_VERSION_LARGE > 0x06030010 // available only with OCC-6.3-sp11 and higher version
     if ( isAdvancedZoomingEnabled() )
       activeView()->ZoomAtPoint( x0, y0, x, y );
     else
+#endif
       activeView()->Zoom( x0 + y0, 0, x + y, 0 );
   }
 }
-- 
2.39.2