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| author | Bjoern Erik Nilsen <bjorn.nilsen@nokia.com> | 2009-03-23 14:54:30 (GMT) |
|---|---|---|
| committer | Andreas Aardal Hanssen <andreas.aardal.hanssen@nokia.com> | 2009-04-06 11:49:45 (GMT) |
| commit | 95fa7a93bc840e0f49ee30e76abb2b4f8579c997 (patch) | |
| tree | f1617e82037e61c978f993c9e5d7de86819588c0 /src/gui/graphicsview/qgraphicsitem.cpp | |
| parent | c1909321a486621ef196dd4bb3cf354406d86d46 (diff) | |
| download | Qt-95fa7a93bc840e0f49ee30e76abb2b4f8579c997.zip Qt-95fa7a93bc840e0f49ee30e76abb2b4f8579c997.tar.gz Qt-95fa7a93bc840e0f49ee30e76abb2b4f8579c997.tar.bz2 | |
Fixes: Optimization: Clip path is empty if the bounding rect is empty.
RevBy: TrustMe
Diffstat (limited to 'src/gui/graphicsview/qgraphicsitem.cpp')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsitem.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index badc41e..75b6cf1 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -3151,9 +3151,18 @@ QPainterPath QGraphicsItem::clipPath() const return d->cachedClipPath; } + const QRectF thisBoundingRect(boundingRect()); + if (thisBoundingRect.isEmpty()) { + if (d_ptr->flags & ItemClipsChildrenToShape) + d_ptr->setEmptyCachedClipPathRecursively(); + else + d_ptr->setEmptyCachedClipPath(); + return QPainterPath(); + } + QPainterPath clip; // Start with the item's bounding rect. - clip.addRect(boundingRect()); + clip.addRect(thisBoundingRect); if (d->ancestorFlags & QGraphicsItemPrivate::AncestorClipsChildren) { const QGraphicsItem *parent = this; |