From 342879a0b022677033a35e0475c2d52b1bbcdde2 Mon Sep 17 00:00:00 2001
From: ouv <ouv@opencascade.com>
Date: Thu, 2 Sep 2010 08:41:18 +0000
Subject: [PATCH] Minor fix

---
 src/GLViewer/GLViewer_Grid.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/GLViewer/GLViewer_Grid.cxx b/src/GLViewer/GLViewer_Grid.cxx
index 56b894943..05c21b49e 100644
--- a/src/GLViewer/GLViewer_Grid.cxx
+++ b/src/GLViewer/GLViewer_Grid.cxx
@@ -358,6 +358,10 @@ bool GLViewer_Grid::initList()
   if( myYSize == (GLfloat)0.0 )
       myYSize = (GLfloat)0.1;
 
+  if( myGridWidth == (GLfloat)0.0 ||
+      myGridHeight == (GLfloat)0.0 )
+    return false;
+
 label:
   if( ( myXSize >= myGridWidth / myScaleRatio ) &&
       ( myYSize >= myGridHeight / myScaleRatio ) )
-- 
2.39.2