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Avoid a crash when Rx samples arrive before wide graph plotter is ready

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Bill Somerville 2019-04-28 22:20:24 +01:00
parent c5a591f30c
commit a28402c527
1 changed files with 1 additions and 0 deletions
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widgets/plotter.cpp
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@ -123,6 +123,7 @@ void CPlotter::paintEvent(QPaintEvent *) // paint
void CPlotter::draw(float swide[], bool bScroll, bool bRed) void CPlotter::draw(float swide[], bool bScroll, bool bRed)
{ {
if (!m_TRperiod) return; // not ready to plot yet
int j,j0; int j,j0;
static int ktop=0; static int ktop=0;
float y,y2,ymin; float y,y2,ymin;