Clear spectrogram caches & repaint on src invalidate

Fixes #50
2026-03-03 06:54:17 +01:00 · 2016-08-10 21:14:20 +01:00
parent b31d6a03ad
commit e8c1f1f7d1
2 changed files with 10 additions and 1 deletions
--- a/spectrogramplot.cpp
+++ b/spectrogramplot.cpp
@@ -46,6 +46,14 @@ SpectrogramPlot::SpectrogramPlot(std::shared_ptr<SampleSource<std::complex<float
    tunerTransform = std::make_shared<TunerTransform>(src.get());
    connect(&tuner, &Tuner::tunerMoved, this, &SpectrogramPlot::tunerMoved);
    tunerMoved();
+    src->subscribe(this);
+}
+
+void SpectrogramPlot::invalidateEvent()
+{
+    pixmapCache.clear();
+    fftCache.clear();
+    emit repaint();
 }

 void SpectrogramPlot::paintFront(QPainter &painter, QRect &rect, range_t<off_t> sampleRange)