tdf#85770 SVG: Don't display text elements if parent's...

... visibility is set to hidden

Change-Id: I7633b895a3f0a7906c41d19c70e7201b1e420f9d
Reviewed-on: https://gerrit.libreoffice.org/21500Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Armin Le Grand <Armin.Le.Grand@cib.de>

svgio/source/svgreader/svgcharacternode.cxx

@@ -510,7 +510,7 @@ namespace svgio
                     rSvgTextPosition,
                     rSvgStyleAttributes));
 
-            if(xRef.is())
+            if(xRef.is() && (Visibility_visible == getSvgStyleAttributes()->getVisibility()))
             {
                 if(!rSvgTextPosition.isRotated())
                 {