Use pixmap filter for the drop shadow effect.

2 files changed, 5 insertions, 2 deletions

diff --git a/examples/effects/lighting/shadoweffect.cpp b/examples/effects/lighting/shadoweffect.cpp
index 9545815..8a41aaa 100644
--- a/examples/effects/lighting/shadoweffect.cpp
+++ b/examples/effects/lighting/shadoweffect.cpp
@@ -48,17 +48,19 @@ ShadowEffect::ShadowEffect(QGraphicsItem *item, QGraphicsItem *source)
     , item(item), m_lightSource(source)
 {
     setBlurRadius(8);
+    m_color = color();
 }
 
 void ShadowEffect::adjustForItem()
 {
     QPointF delta = item->pos() - m_lightSource->pos();
-    setShadowOffset(delta.toPoint() / 30);
+    setOffset(delta.toPoint() / 30);
 
     qreal dx = delta.x();
     qreal dy = delta.y();
     qreal dd = sqrt(dx * dx + dy * dy);
-    setOpacity(qBound(0.4, 1 - dd / 200.0, 0.7));
+    m_color.setAlphaF(qBound(0.4, 1 - dd / 200.0, 0.7));
+    setColor(m_color);
 }
 
 QRectF ShadowEffect::boundingRectFor(const QRectF &rect) const
diff --git a/examples/effects/lighting/shadoweffect.h b/examples/effects/lighting/shadoweffect.h
index b20f647..7ea409e 100644
--- a/examples/effects/lighting/shadoweffect.h
+++ b/examples/effects/lighting/shadoweffect.h
@@ -58,6 +58,7 @@ private:
     void adjustForItem();
 
 private:
+    QColor m_color;
     QGraphicsItem *item;
     QGraphicsItem *m_lightSource;
 };