Fixed bug in QPainterPath::intersected().

When we compute the angle delta we can't use qFuzzyCompare as it will
cause slightly negative deltas to be snapped to 0, causing the winged
edge builder to put path edges in the wrong order.

Task-number: QTBUG-3778
Reviewed-by: Trond

1 files changed, 3 insertions, 4 deletions

diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp
index 949a820b21..00e74ba7e1 100644
--- a/src/gui/painting/qpathclipper.cpp
+++ b/src/gui/painting/qpathclipper.cpp
@@ -935,10 +935,9 @@ qreal QWingedEdge::delta(int vertex, int a, int b) const
 
     qreal result = b_angle - a_angle;
 
-    if (qFuzzyIsNull(result) || qFuzzyCompare(result, 128))
-        return 0;
-
-    if (result < 0)
+    if (result >= 128.)
+        return result - 128.;
+    else if (result < 0)
         return result + 128.;
     else
         return result;