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authorSamuel Rødal <sroedal@trolltech.com>2009-10-16 07:55:28 (GMT)
committerSamuel Rødal <sroedal@trolltech.com>2009-10-22 16:44:05 (GMT)
commit5de213210ef4f14e698c3fd970cf7e6c5b27c72d (patch)
treeda5d692ff2dec2ed835cc698ee7770d93351830d /src/gui/kernel/qwidget_p.h
parenta392366b164081fe3b75c806dbf2030e64754eaf (diff)
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Added caching of graphics effect source pixmaps to speed up effects.
If an effect is applied repeatedly on the same source, just with varying parameters, we can save a lot by caching the source pixmaps. Reviewed-by: Bjørn Erik Nilsen
Diffstat (limited to 'src/gui/kernel/qwidget_p.h')
-rw-r--r--src/gui/kernel/qwidget_p.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/src/gui/kernel/qwidget_p.h b/src/gui/kernel/qwidget_p.h
index f7c2712..a109f32 100644
--- a/src/gui/kernel/qwidget_p.h
+++ b/src/gui/kernel/qwidget_p.h
@@ -360,6 +360,7 @@ public:
void setOpaque(bool opaque);
void updateIsTranslucent();
bool paintOnScreen() const;
+ void invalidateGraphicsEffectsRecursively();
QRegion getOpaqueRegion() const;
const QRegion &getOpaqueChildren() const;
@@ -729,7 +730,7 @@ class QWidgetEffectSourcePrivate : public QGraphicsEffectSourcePrivate
{
public:
QWidgetEffectSourcePrivate(QWidget *widget)
- : QGraphicsEffectSourcePrivate(), m_widget(widget), context(0)
+ : QGraphicsEffectSourcePrivate(), m_widget(widget), context(0), updateDueToGraphicsEffect(false)
{}
inline void detach()
@@ -742,7 +743,11 @@ public:
{ return m_widget; }
inline void update()
- { m_widget->update(); }
+ {
+ updateDueToGraphicsEffect = true;
+ m_widget->update();
+ updateDueToGraphicsEffect = false;
+ }
inline bool isPixmap() const
{ return false; }
@@ -754,7 +759,7 @@ public:
if (QWidget *parent = m_widget->parentWidget())
parent->update();
else
- m_widget->update();
+ update();
}
inline const QStyleOption *styleOption() const
@@ -769,6 +774,8 @@ public:
QWidget *m_widget;
QWidgetPaintContext *context;
+ QTransform lastEffectTransform;
+ bool updateDueToGraphicsEffect;
};
inline QWExtra *QWidgetPrivate::extraData() const