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Add a protection against undefined fPainter #22832

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Add a protection against undefined fPainter #22832

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1 change: 1 addition & 0 deletions graf2d/gpad/src/TCanvas.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -620,6 +620,7 @@ void TCanvas::Build()
} else {
//normal mode with a screen window
// Set default physical canvas attributes
if (!fPainter) return;
fPainter->SelectDrawable(fCanvasID);
fPainter->SetAttFill({1, 1001}); //Set color index for fill area
fPainter->SetAttLine({1, 1, 1}); //Set color index for lines
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