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Avoid extra locking if queue is empty

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This commit is contained in:
Charles J. Cliffe 2015-10-20 18:32:49 -04:00
parent b822704b0c
commit 71383b4cb6
1 changed files with 3 additions and 1 deletions
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4
src/visual/WaterfallCanvas.cpp
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@ -109,7 +109,9 @@ void WaterfallCanvas::processInputQueue() {
void WaterfallCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
wxPaintDC dc(this);
processInputQueue();
if (visualDataQueue.size() > 0) {
processInputQueue();
}
const wxSize ClientSize = GetClientSize();
long double currentZoom = zoom;