1 files changed, 14 insertions, 0 deletions
diff --git a/src/gui/effects/qgraphicseffect.cpp b/src/gui/effects/qgraphicseffect.cpp
index 26489c5..ee87323 100644
--- a/src/gui/effects/qgraphicseffect.cpp
+++ b/src/gui/effects/qgraphicseffect.cpp
@@ -493,6 +493,12 @@ void QGraphicsGrayscaleEffect::setStrength(qreal strength)
     emit strengthChanged(strength);
 }
 
+/*! \fn void QGraphicsGrayscaleEffect::strengthChanged(qreal strength)
+  This signal is emitted whenever setStrength() changes the grayscale
+  strength property. \a strength contains the new strength value of
+  the grayscale effect.
+ */
+
 /*!
     \reimp
 */
@@ -602,6 +608,12 @@ void QGraphicsColorizeEffect::setStrength(qreal strength)
     emit strengthChanged(strength);
 }
 
+/*! \fn void QGraphicsColorizeEffect::strengthChanged(qreal strength)
+  This signal is emitted whenever setStrength() changes the colorize
+  strength property. \a strength contains the new strength value of
+  the colorize effect.
+ */
+
 /*!
     \fn void QGraphicsColorizeEffect::colorChanged(const QColor &color)
 
@@ -782,6 +794,8 @@ void QGraphicsPixelizeEffect::draw(QPainter *painter, QGraphicsEffectSource *sou
 QGraphicsBlurEffect::QGraphicsBlurEffect(QObject *parent)
     : QGraphicsEffect(*new QGraphicsBlurEffectPrivate, parent)
 {
+    Q_D(QGraphicsBlurEffect);
+    d->filter->setQuality(Qt::SmoothTransformation);
 }
 
 /*!