diff options
Diffstat (limited to 'src/gui/graphicsview/qgraphicsscene.cpp')
| -rw-r--r-- | src/gui/graphicsview/qgraphicsscene.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp index b47ed5e..2e714cb 100644 --- a/src/gui/graphicsview/qgraphicsscene.cpp +++ b/src/gui/graphicsview/qgraphicsscene.cpp @@ -4624,16 +4624,17 @@ void QGraphicsScenePrivate::drawItemHelper(QGraphicsItem *item, QPainter *painte if (cacheMode == QGraphicsItem::ItemCoordinateCache) { QSize pixmapSize; bool fixedCacheSize = false; + QRectF brectAligned = brect.toAlignedRect(); if ((fixedCacheSize = itemCache->fixedSize.isValid())) { pixmapSize = itemCache->fixedSize; } else { - pixmapSize = brect.toAlignedRect().size(); + pixmapSize = brectAligned.size().toSize(); } // Create or recreate the pixmap. int adjust = itemCache->fixedSize.isValid() ? 0 : 2; QSize adjustSize(adjust*2, adjust*2); - QRectF br = brect.adjusted(-adjust, -adjust, adjust, adjust); + QRectF br = brectAligned.adjusted(-adjust, -adjust, adjust, adjust); if (pix.isNull() || (!fixedCacheSize && (pixmapSize + adjustSize) != pix.size())) { pix = QPixmap(pixmapSize + adjustSize); itemCache->exposed.clear(); @@ -4643,9 +4644,11 @@ void QGraphicsScenePrivate::drawItemHelper(QGraphicsItem *item, QPainter *painte // Redraw any newly exposed areas. if (itemCache->allExposed || !itemCache->exposed.isEmpty()) { // Fit the item's bounding rect into the pixmap's coordinates. - const QPointF scale(pixmapSize.width() / brect.width(), pixmapSize.height() / brect.height()); QTransform itemToPixmap; - itemToPixmap.scale(scale.x(), scale.y()); + if (fixedCacheSize) { + const QPointF scale(pixmapSize.width() / brect.width(), pixmapSize.height() / brect.height()); + itemToPixmap.scale(scale.x(), scale.y()); + } itemToPixmap.translate(-br.x(), -br.y()); // Generate the item's exposedRect and map its list of expose |