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-rw-r--r--src/gui/effects/qgraphicseffect.cpp12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/gui/effects/qgraphicseffect.cpp b/src/gui/effects/qgraphicseffect.cpp
index 7d1d03d..ce4ce6a 100644
--- a/src/gui/effects/qgraphicseffect.cpp
+++ b/src/gui/effects/qgraphicseffect.cpp
@@ -726,7 +726,8 @@ void QGraphicsColorizeEffect::draw(QPainter *painter)
elements. The level of detail can be modified using the setBlurRadius()
function. Use setBlurHints() to choose the blur hints.
- By default, the blur radius is 5 pixels.
+ By default, the blur radius is 5 pixels. The blur radius is specified in
+ device coordinates.
\img graphicseffect-blur.png
@@ -781,6 +782,9 @@ QGraphicsBlurEffect::~QGraphicsBlurEffect()
radius results in a more blurred appearance.
By default, the blur radius is 5 pixels.
+
+ The radius is given in device coordinates, meaning it is
+ unaffected by scale.
*/
qreal QGraphicsBlurEffect::blurRadius() const
{
@@ -884,7 +888,8 @@ void QGraphicsBlurEffect::draw(QPainter *painter)
By default, the drop shadow is a semi-transparent dark gray
(QColor(63, 63, 63, 180)) shadow, blurred with a radius of 1 at an offset
- of 8 pixels towards the lower right.
+ of 8 pixels towards the lower right. The drop shadow offset is specified
+ in device coordinates.
\img graphicseffect-drop-shadow.png
@@ -913,6 +918,9 @@ QGraphicsDropShadowEffect::~QGraphicsDropShadowEffect()
By default, the offset is 8 pixels towards the lower right.
+ The offset is given in device coordinates, which means it is
+ unaffected by scale.
+
\sa xOffset(), yOffset(), blurRadius(), color()
*/
QPointF QGraphicsDropShadowEffect::offset() const