From Farshid Lashkari, "I've modified some setter methods of TextBase to avoid unnecessary calls to computeGlyphRepresentation() if the value has not changed."
From Farshid Lashkari, "I've modified some setter methods of TextBase to avoid unnecessary calls to computeGlyphRepresentation() if the value has not changed."


git-svn-id: aa838dfc23441284dd616281de4245daec5d2135@14912 16af8721-9629-0410-8352-f15c8da7e697

artoolkit/osg,ghub/osg,koshman86/osg,ntoand/osg,artoolkit/osg,XiaoCC/osg,ntoand/osg,XiaoCC/osg,koshman86/osg,ghub/osg,koshman86/osg,ntoand/osg,omega-hub/osg,ghub/osg,ntoand/osg,ghub/osg,XiaoCC/osg,XiaoCC/osg,artoolkit/osg,artoolkit/osg,omega-hub/osg,koshman86/osg,omega-hub/osg,omega-hub/osg,XiaoCC/osg