X-Git-Url: http://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fviewport.cpp;fp=pv%2Fviews%2Ftrace%2Fviewport.cpp;h=44c912a1acf1ccc117718d09cbc45b816e64a284;hp=83abb7b6cbd5273f699a204d2720e4404f6c00e2;hb=633e8ade5289eff00c7137f59269361aa547449a;hpb=e0cfcb0e4f744a1e28f83b1babb4bc48ef680f79

diff --git a/pv/views/trace/viewport.cpp b/pv/views/trace/viewport.cpp
index 83abb7b6..44c912a1 100644
--- a/pv/views/trace/viewport.cpp
+++ b/pv/views/trace/viewport.cpp
@@ -30,6 +30,8 @@
 #include <pv/session.hpp>
 
 #include <QMouseEvent>
+#include <QScreen>
+#include <QWindow>
 
 #include <QDebug>
 
@@ -172,7 +174,10 @@ void Viewport::paintEvent(QPaintEvent*)
 		[](const shared_ptr<TimeItem> &t) { return !t; }));
 
 	QPainter p(this);
-	p.setRenderHint(QPainter::Antialiasing);
+
+	bool useAntialiasing =
+		window()->windowHandle()->screen()->devicePixelRatio() < 2.0;
+	p.setRenderHint(QPainter::Antialiasing, useAntialiasing);
 
 	for (LayerPaintFunc *paint_func = layer_paint_funcs;
 			*paint_func; paint_func++) {