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Fix one more NaN crash #90

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Merged
dfaure-kdab merged 1 commit into from
May 11, 2026
Merged

Fix one more NaN crash #90

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2 changes: 2 additions & 0 deletions src/KDChart/Cartesian/KDChartCartesianAxis.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -861,6 +861,8 @@ void CartesianAxis::paintCtx(PaintContext *context)
break;
}

if (!qIsFinite(labelPos.x()) || !qIsFinite(labelPos.y()))
continue;
tickLabel->setGeometry(QRect(labelPos.toPoint(), size.toSize()));

if (step == Painting) {
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2 changes: 2 additions & 0 deletions src/KDChart/ReverseMapper.cpp
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Expand Up @@ -153,6 +153,8 @@ void ReverseMapper::addLine(int row, int column, const QPointF &from, const QPoi
}
const QPointF lineVector(right - left);
const qreal lineVectorLength = sqrt(lineVector.x() * lineVector.x() + lineVector.y() * lineVector.y());
if (!qIsFinite(lineVectorLength) || qFuzzyIsNull(lineVectorLength))
return;
const QPointF lineVectorUnit(lineVector / lineVectorLength);
const QPointF normOfLineVectorUnit(-lineVectorUnit.y(), lineVectorUnit.x());
// now the four polygon end points:
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