Disable antialiasing on high-DPI displays

[pulseview.git] / pv / views / trace / analogsignal.cpp

diff --git a/pv/views/trace/analogsignal.cpp b/pv/views/trace/analogsignal.cpp
index cd680085312b07d5249fecca2f51b0c32cdb39de..599246418b1993bd74ffaf1d9c51a1e14a2b860d 100644 (file)
--- a/pv/views/trace/analogsignal.cpp
+++ b/pv/views/trace/analogsignal.cpp
@@ -297,7 +297,7 @@ void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
                // and we have corresponding data available
                if (show_hover_marker_ && !std::isnan(value_at_hover_pos_)) {
                        infotext = QString("[%1] %2 V/div")
-                               .arg(format_value_si(value_at_hover_pos_, SIPrefix::unspecified, 0, "V", false))
+                               .arg(format_value_si(value_at_hover_pos_, SIPrefix::unspecified, 2, "V", false))
                                .arg(resolution_);
                } else
                        infotext = QString("%1 V/div").arg(resolution_);
@@ -319,6 +319,7 @@ void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
 
 void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right)
 {
+       bool wasAntialiased = p.testRenderHint(QPainter::Antialiasing);
        p.setRenderHint(QPainter::Antialiasing, false);
 
        if (pos_vdivs_ > 0) {
@@ -363,7 +364,7 @@ void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right)
                }
        }
 
-       p.setRenderHint(QPainter::Antialiasing, true);
+       p.setRenderHint(QPainter::Antialiasing, wasAntialiased);
 }
 
 void AnalogSignal::paint_trace(QPainter &p,