2 files changed, 4 insertions, 2 deletions
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index bd12fdbf01..bcea1ec512 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -3564,7 +3564,7 @@ void QRasterPaintEnginePrivate::rasterizeLine_dashed(QLineF line,
 
         if (dash >= length) {
             dash = length;
-            *dashOffset += dash;
+            *dashOffset += dash / width;
             length = 0;
         } else {
             *dashOffset = 0;
diff --git a/src/gui/painting/qrasterizer.cpp b/src/gui/painting/qrasterizer.cpp
index 4500756f31..2b6791ddca 100644
--- a/src/gui/painting/qrasterizer.cpp
+++ b/src/gui/painting/qrasterizer.cpp
@@ -706,10 +706,12 @@ void QRasterizer::rasterizeLine(const QPointF &a, const QPointF &b, qreal width,
     if (a == b || width == 0 || d->clipRect.isEmpty())
         return;
 
+    Q_ASSERT(width > 0.0);
+
     QPointF pa = a;
     QPointF pb = b;
 
-    QPointF offs = QPointF(qAbs(b.y() - a.y()), qAbs(b.x() - a.x())) * width * 0.5;
+    QPointF offs = QPointF(qAbs(b.y() - a.y()), qAbs(b.x() - a.x())) * width * 0.5;    
     if (squareCap)
         offs += QPointF(offs.y(), offs.x());
     const QRectF clip(d->clipRect.topLeft() - offs, d->clipRect.bottomRight() + QPoint(1, 1) + offs);