Fix area series fill problem when component series have points visible

Line series points are drawn by adding ellipses to line series path,
which in turn is used by area series. QPainterPath fill algorithm
cannot handle this case, as there would be fill required on both
sides of the path.

Task-number: QTRD-1941
Reviewed-by: Mika Salmela

2 files changed, 4 insertions, 0 deletions

diff --git a/src/areachart/areachartitem_p.h b/src/areachart/areachartitem_p.h
index e08c4b06..0c09bade 100644
--- a/src/areachart/areachartitem_p.h
+++ b/src/areachart/areachartitem_p.h
@@ -94,6 +94,9 @@ public:
 
     void updateGeometry()
     {
+        // Turn off points drawing from component line chart item, as that
+        // messes up the fill for area series.
+        suppressPoints();
         LineChartItem::updateGeometry();
         m_item->updatePath();
     }
diff --git a/src/linechart/linechartitem_p.h b/src/linechart/linechartitem_p.h
index 24488fdf..6db4ccfb 100644
--- a/src/linechart/linechartitem_p.h
+++ b/src/linechart/linechartitem_p.h
@@ -62,6 +62,7 @@ protected:
     void mousePressEvent(QGraphicsSceneMouseEvent *event);
     void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
     void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+    void suppressPoints() { m_pointsVisible = false; }
 
 private:
     QLineSeries *m_series;