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authorBjørn Erik Nilsen <bjorn.nilsen@nokia.com>2009-05-26 18:23:54 (GMT)
committerAndreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com>2009-06-09 07:26:52 (GMT)
commite7c7e4f57530d7b3571bf11dbe555c52f6dc3f34 (patch)
tree597929219e270919af47a0d8c02733fb36c0a157 /src/gui/graphicsview/qgraphicsitem_p.h
parent6f1cca3661b794f170ed00fdc84e8ad31789aa9f (diff)
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Cache QGraphicsItem::childrenBoundingRect.
We'll need this later when making a smarter update mechanism.
Diffstat (limited to 'src/gui/graphicsview/qgraphicsitem_p.h')
-rw-r--r--src/gui/graphicsview/qgraphicsitem_p.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem_p.h b/src/gui/graphicsview/qgraphicsitem_p.h
index bd81fe5..200d177 100644
--- a/src/gui/graphicsview/qgraphicsitem_p.h
+++ b/src/gui/graphicsview/qgraphicsitem_p.h
@@ -160,6 +160,7 @@ public:
hasDecomposedTransform(0),
dirtyTransform(0),
dirtyTransformComponents(0),
+ dirtyChildrenBoundingRect(1),
globalStackingOrder(-1),
sceneTransformIndex(-1),
q_ptr(0)
@@ -308,6 +309,7 @@ public:
}
QPainterPath cachedClipPath;
+ QRectF childrenBoundingRect;
QPointF pos;
qreal z;
QGraphicsScene *scene;
@@ -350,7 +352,8 @@ public:
quint32 hasDecomposedTransform : 1;
quint32 dirtyTransform : 1;
quint32 dirtyTransformComponents : 1;
- quint32 padding : 18; // feel free to use
+ quint32 dirtyChildrenBoundingRect : 1;
+ quint32 padding : 17; // feel free to use
// Optional stacking order
int globalStackingOrder;