fix 16153

UdjinM6 · UdjinM6 · commit 1e996cb2cbea · 2021-11-08T20:20:39.000+03:00
apply antialiasing to the graph path only
diff --git a/src/qt/trafficgraphwidget.cpp b/src/qt/trafficgraphwidget.cpp
@@ -124,8 +124,8 @@ void TrafficGraphWidget::paintEvent(QPaintEvent *)
 
     const TrafficGraphData::SampleQueue& queue = trafficGraphData.getCurrentRangeQueueWithAverageBandwidth();
 
-    painter.setRenderHint(QPainter::Antialiasing);
     if(!queue.empty()) {
+        painter.setRenderHint(QPainter::Antialiasing);
         QPainterPath pIn;
         QColor lucentGreen = green;
         lucentGreen.setAlpha(128);
@@ -143,6 +143,7 @@ void TrafficGraphWidget::paintEvent(QPaintEvent *)
         painter.fillPath(pOut, lucentRed);
         painter.setPen(red);
         painter.drawPath(pOut);
+        painter.setRenderHint(QPainter::Antialiasing, false);
     }
 
     // draw text
