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-rw-r--r--src/gui/painting/qpaintengine_raster.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 5513010..9242fb6 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -3716,6 +3716,13 @@ void QRasterPaintEnginePrivate::rasterizeLine_dashed(QLineF line,
const bool squareCap = (pen.capStyle() == Qt::SquareCap);
const QVector<qreal> pattern = pen.dashPattern();
+ qreal patternLength = 0;
+ for (int i = 0; i < pattern.size(); ++i)
+ patternLength += pattern.at(i);
+
+ if (patternLength <= 0)
+ return;
+
qreal length = line.length();
Q_ASSERT(length > 0);
while (length > 0) {