From 634a0898452e94ee01b5eeea934b213bd74f8327 Mon Sep 17 00:00:00 2001
From: Dean Lee <deanlee3@gmail.com>
Date: Thu, 23 Mar 2023 01:27:23 +0800
Subject: [PATCH] cabana: sets the line width with floating point precision.
 (#27653)

old-commit-hash: dcbadc554d009c0e8d5c9a034cf748391c5015a8
---
 tools/cabana/chartswidget.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/cabana/chartswidget.cc b/tools/cabana/chartswidget.cc
index 09fcbf2ee2..c98ca3bc69 100644
--- a/tools/cabana/chartswidget.cc
+++ b/tools/cabana/chartswidget.cc
@@ -843,7 +843,7 @@ QXYSeries *ChartView::createSeries(SeriesType type, QColor color) {
   series->setUseOpenGL(true);
   // Qt doesn't properly apply device pixel ratio in OpenGL mode
   QPen pen = series->pen();
-  pen.setWidth(2.0 * qApp->devicePixelRatio());
+  pen.setWidthF(2.0 * devicePixelRatioF());
   series->setPen(pen);
 #endif
   chart()->addSeries(series);