1 files changed, 9 insertions, 0 deletions
diff --git a/src/gui/painting/qoutlinemapper.cpp b/src/gui/painting/qoutlinemapper.cpp
index 7c17c1b46e..8b607b28b8 100644
--- a/src/gui/painting/qoutlinemapper.cpp
+++ b/src/gui/painting/qoutlinemapper.cpp
@@ -47,6 +47,8 @@
 
 QT_BEGIN_NAMESPACE
 
+static const qreal aliasedCoordinateDelta = 0.5 - 0.015625;
+
 #define qreal_to_fixed_26_6(f) (int(f * 64))
 
 
@@ -214,6 +216,13 @@ void QOutlineMapper::endOutline()
         elements = m_elements_dev.data();
     }
 
+    if (m_round_coords) {
+        // round coordinates to match outlines drawn with drawLine_midpoint_i
+        for (int i = 0; i < m_elements.size(); ++i)
+            elements[i] = QPointF(qFloor(elements[i].x() + aliasedCoordinateDelta),
+                                  qFloor(elements[i].y() + aliasedCoordinateDelta));
+    }
+
     controlPointRect = boundingRect(elements, element_count);
 
 #ifdef QT_DEBUG_CONVERT