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Session: Use a monotonic clock to measure acquisition time.
[pulseview.git]
/
pv
/
views
/
trace
/
analogsignal.cpp
diff --git
a/pv/views/trace/analogsignal.cpp
b/pv/views/trace/analogsignal.cpp
index 599246418b1993bd74ffaf1d9c51a1e14a2b860d..3430ab3cf48eb6996ca0cd52901c1d9c884aa4cb 100644
(file)
--- a/
pv/views/trace/analogsignal.cpp
+++ b/
pv/views/trace/analogsignal.cpp
@@
-319,7
+319,7
@@
void AnalogSignal::paint_fore(QPainter &p, ViewItemPaintParams &pp)
void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right)
{
void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right)
{
- bool was
A
ntialiased = p.testRenderHint(QPainter::Antialiasing);
+ bool was
_a
ntialiased = p.testRenderHint(QPainter::Antialiasing);
p.setRenderHint(QPainter::Antialiasing, false);
if (pos_vdivs_ > 0) {
p.setRenderHint(QPainter::Antialiasing, false);
if (pos_vdivs_ > 0) {
@@
-364,7
+364,7
@@
void AnalogSignal::paint_grid(QPainter &p, int y, int left, int right)
}
}
}
}
- p.setRenderHint(QPainter::Antialiasing, was
A
ntialiased);
+ p.setRenderHint(QPainter::Antialiasing, was
_a
ntialiased);
}
void AnalogSignal::paint_trace(QPainter &p,
}
void AnalogSignal::paint_trace(QPainter &p,
@@
-444,7
+444,9
@@
void AnalogSignal::paint_trace(QPainter &p,
}
delete[] sample_block;
}
delete[] sample_block;
- p.drawPolyline(points, points_count);
+ // QPainter::drawPolyline() is slow, let's paint the lines ourselves
+ for (int64_t i = 1; i < points_count; i++)
+ p.drawLine(points[i - 1], points[i]);
if (show_sampling_points) {
if (paint_thr_dots) {
if (show_sampling_points) {
if (paint_thr_dots) {