Make fictive scene bigger in all cases.

--HG--
branch : develop
This commit is contained in:
Roman Telezhynskyi 2015-12-04 10:04:43 +02:00
parent 019b3dc38b
commit 6d566c2715

View file

@ -194,25 +194,22 @@ void GraphicsViewZoom::FictiveSceneRect(QGraphicsScene *sc, QGraphicsView *view)
const QPointF b = view->mapToScene(view->viewport()->width(), view->viewport()->height()); const QPointF b = view->mapToScene(view->viewport()->width(), view->viewport()->height());
QRectF viewRect = QRectF( a, b ); QRectF viewRect = QRectF( a, b );
//Scale view
QLineF topLeftRay(viewRect.center(), viewRect.topLeft());
topLeftRay.setLength(topLeftRay.length()*2);
QLineF bottomRightRay(viewRect.center(), viewRect.bottomRight());
bottomRightRay.setLength(bottomRightRay.length()*2);
viewRect = QRectF(topLeftRay.p2(), bottomRightRay.p2());
//Calculate scene rect //Calculate scene rect
const QRectF sceneRect = sc->sceneRect(); const QRectF sceneRect = sc->sceneRect();
if (not sceneRect.contains(viewRect)) //Unite two rects
{//Scene less than view const QRectF newRect = sceneRect.united(viewRect);
//Scale view
QLineF topLeftRay(viewRect.center(), viewRect.topLeft());
topLeftRay.setLength(topLeftRay.length()*2);
QLineF bottomRightRay(viewRect.center(), viewRect.bottomRight()); sc->setSceneRect(newRect);
bottomRightRay.setLength(bottomRightRay.length()*2);
viewRect = QRectF(topLeftRay.p2(), bottomRightRay.p2());
//Unite two rects
const QRectF newRect = sceneRect.united(viewRect);
sc->setSceneRect(newRect);
}
} }
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