From 0f1c92a1d36859db256522b227907e6b08bad309 Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Tue, 8 Sep 2009 12:57:49 +0000
Subject: [PATCH] Fix problem with OCC viewer and qt 4.5 on Windows

---
 src/OCCViewer/OCCViewer_ViewPort.cxx | 8 ++++++++
 src/OCCViewer/OCCViewer_ViewPort.h   | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/src/OCCViewer/OCCViewer_ViewPort.cxx b/src/OCCViewer/OCCViewer_ViewPort.cxx
index a975fe049..bd6251137 100755
--- a/src/OCCViewer/OCCViewer_ViewPort.cxx
+++ b/src/OCCViewer/OCCViewer_ViewPort.cxx
@@ -450,6 +450,14 @@ void OCCViewer_ViewPort::onUpdate()
 {
 }
 
+/*!
+  Get paint engine for the OpenGL viewer. [ virtual public ]
+*/
+QPaintEngine* OCCViewer_ViewPort::paintEngine() const
+{
+  return 0;
+}
+
 /*!
     Creates the popup. [ virtual protected ]
 */
diff --git a/src/OCCViewer/OCCViewer_ViewPort.h b/src/OCCViewer/OCCViewer_ViewPort.h
index 48e4dccb0..74c22f68c 100755
--- a/src/OCCViewer/OCCViewer_ViewPort.h
+++ b/src/OCCViewer/OCCViewer_ViewPort.h
@@ -67,6 +67,8 @@ public:
 
   virtual void                   onUpdate();
 
+  virtual QPaintEngine*          paintEngine() const;
+
 protected:
 //	enum ViewType { Type2D, Type3D };
   void		                 selectVisualId();
-- 
2.39.2