Fixed QPixmapDropShadowFilter and updated its testcase

Reivewed-by: Samuel

2 files changed, 2 insertions, 4 deletions

diff --git a/src/gui/image/qpixmapfilter.cpp b/src/gui/image/qpixmapfilter.cpp
index de8f4e0..650aeaa 100644
--- a/src/gui/image/qpixmapfilter.cpp
+++ b/src/gui/image/qpixmapfilter.cpp
@@ -1064,9 +1064,7 @@ void QPixmapDropShadowFilter::setOffset(const QPointF &offset)
 QRectF QPixmapDropShadowFilter::boundingRectFor(const QRectF &rect) const
 {
     Q_D(const QPixmapDropShadowFilter);
-    qreal delta = d->radius + 1;
-    return rect.adjusted(-2, -2, 2, 2).united(
-            rect.translated(d->offset).adjusted(-delta, -delta, delta, delta));
+    return rect.united(rect.translated(d->offset).adjusted(-d->radius, -d->radius, d->radius, d->radius));
 }
 
 /*!
diff --git a/tests/auto/qpixmapfilter/tst_qpixmapfilter.cpp b/tests/auto/qpixmapfilter/tst_qpixmapfilter.cpp
index 3f5c3d3..b9c6b01 100644
--- a/tests/auto/qpixmapfilter/tst_qpixmapfilter.cpp
+++ b/tests/auto/qpixmapfilter/tst_qpixmapfilter.cpp
@@ -407,7 +407,7 @@ void tst_QPixmapFilter::dropShadowBoundingRectFor()
 
     filter.setBlurRadius(2);
     filter.setOffset(QPointF(0,0));
-    int delta = 2 + 1;
+    qreal delta = 2;
     QCOMPARE(filter.boundingRectFor(rect1), rect1.adjusted(-delta, -delta, delta, delta));
     QCOMPARE(filter.boundingRectFor(rect2), rect2.adjusted(-delta, -delta, delta, delta));
     QCOMPARE(filter.boundingRectFor(rect3), rect3.adjusted(-delta, -delta, delta, delta));