fix #38636: take 2

musescore · Nov 10, 2014 · a107069 · a107069
1 parent 66010cc
commit a107069
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/libmscore/page.cpp b/libmscore/page.cpp
@@ -479,9 +479,11 @@ void Page::doRebuildBspTree()
 
       int n = el.size();
       if (score()->layoutMode() == LayoutMode::LINE) {
-            qreal h = _systems.front()->height();
+            if (_systems.isEmpty())
+                  return;
             if (_systems.front()->measures().isEmpty())
                   return;
+            qreal h = _systems.front()->height();
             MeasureBase* mb = _systems.front()->measures().back();
             qreal w = mb->x() + mb->width();
             bspTree.initialize(QRectF(0.0, 0.0, w, h), n);