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controls: Emit zoomLevel final multiplier (not a power)

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Mike Walters
2016-03-07 00:40:59 +00:00
parent a735394859
commit aeb295fe28
3 changed files with 8 additions and 6 deletions
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6
plotview.cpp
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@@ -133,8 +133,8 @@ void PlotView::setFFTAndZoom(int size, int zoom)
spectrogramPlot->setZoomLevel(zoom);
// Update horizontal (time) scrollbar
horizontalScrollBar()->setSingleStep(size * 10 / pow(2, zoomLevel));
horizontalScrollBar()->setPageStep(size * 100 / pow(2, zoomLevel));
horizontalScrollBar()->setSingleStep(size * 10 / zoomLevel);
horizontalScrollBar()->setPageStep(size * 100 / zoomLevel);
updateView();
}
@@ -199,7 +199,7 @@ void PlotView::resizeEvent(QResizeEvent * event)
off_t PlotView::samplesPerLine()
{
return fftSize / (int)pow(2, zoomLevel);
return fftSize / zoomLevel;
}
void PlotView::scrollContentsBy(int dx, int dy)