comparison layer/WaveformLayer.cpp @ 1418:e866102db32a

Use zero-width pen when zoomed out - this seems to make a huge difference to speed when rendering on top of another layer, for some reason

             }
         }
     }
 
     double penWidth = 1.0;
+    if (v->getZoomLevel().zone == ZoomLevel::FramesPerPixel) {
+        penWidth = 0.0;
+    }
     
     if (m_model->isReady()) {
         paint->setPen(QPen(baseColour, penWidth));
     } else {
         paint->setPen(QPen(midColour, penWidth));