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Improve fix for avoiding huge number of tiny dashes

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Some pathological cases were not caught by the previous fix.

Fixes: QTBUG-95239
Change-Id: I0337ee3923ff93ccb36c4d7b810a9c0667354cc5
Reviewed-by: Robert Löhning <robert.loehning@qt.io>
(cherry picked from commit 6b400e3147dcfd8cc3a393ace1bd118c93762e0c)
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
This commit is contained in:
Eirik Aavitsland 2021-07-23 15:53:56 +02:00
parent 7f345f2a1c
commit 9378ba2ae8
1 changed files with 1 additions and 1 deletions
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src/gui/painting/qpaintengineex.cpp
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@ -426,7 +426,7 @@ void QPaintEngineEx::stroke(const QVectorPath &path, const QPen &inPen)
patternLength *= pen.widthF();
if (qFuzzyIsNull(patternLength)) {
pen.setStyle(Qt::NoPen);
} else if (extent / patternLength > 10000) {
} else if (qFuzzyIsNull(extent) || extent / patternLength > 10000) {
// approximate stream of tiny dashes with semi-transparent solid line
pen.setStyle(Qt::SolidLine);
QColor color(pen.color());