viewer: avoid divide by zero on sequences with zero length

2020-03-21 13:15:11 +11:00
parent e6b484a523
commit 3c3543a2a9
1 changed files with 6 additions and 1 deletions
@@ -338,7 +338,12 @@ void ViewerWidget::UpdateMinimumScale()
    return;
  }

-  SetMinimumScale(static_cast<double>(ruler()->width()) / GetConnectedNode()->Length().toDouble());
+  if (GetConnectedNode()->Length().isNull()) {
+    // Avoids divide by zero
+    SetMinimumScale(0);
+  } else {
+    SetMinimumScale(static_cast<double>(ruler()->width()) / GetConnectedNode()->Length().toDouble());
+  }
 }

 void ViewerWidget::UpdateStack()