diff options
Diffstat (limited to 'src/gui/graphicsview')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsitem.cpp | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp index b7c2e26..cdcb0c4 100644 --- a/src/gui/graphicsview/qgraphicsitem.cpp +++ b/src/gui/graphicsview/qgraphicsitem.cpp @@ -303,13 +303,17 @@ drop shadow effects and for decoration objects that follow the parent item's geometry without drawing on top of it. - \value ItemUsesExtendedStyleOption The item makes use of either the - exposedRect or matrix member of the QStyleOptionGraphicsItem. Implementers - of QGraphicsItem subclasses should set that flag if this data is required. - By default, the exposedRect is initialized to the item's boundingRect and - the matrix is untransformed. Enable this flag for more fine-grained values. - Use QStyleOptionGraphicsItem::levelOfDetailFromTransform() for a more - fine-grained value. + \value ItemUsesExtendedStyleOption The item makes use of either + \l{QStyleOptionGraphicsItem::}{exposedRect} or + \l{QStyleOptionGraphicsItem::}{matrix} in QStyleOptionGraphicsItem. By default, + the \l{QStyleOptionGraphicsItem::}{exposedRect} is initialized to the item's + boundingRect() and the \l{QStyleOptionGraphicsItem::}{matrix} is untransformed. + You can enable this flag for the style options to be set up with more + fine-grained values. + Note that QStyleOptionGraphicsItem::levelOfDetail is unaffected by this flag + and always initialized to 1. Use + QStyleOptionGraphicsItem::levelOfDetailFromTransform() if you need a higher + value. \value ItemHasNoContents The item does not paint anything (i.e., calling paint() on the item has no effect). You should set this flag on items that |