QGraphicsScene::render: fix int/qsizetype mismatch

Also suppresses the warning that we may be trying to allocate -1 items
in call to new[].

Task-number: QTBUG-105388
Task-number: QTBUG-105471
Pick-to: 6.2 6.3 6.4
Change-Id: Ie4bb662dcb274440ab8bfffd17096d3606354647
Reviewed-by: Marc Mutz <marc.mutz@qt.io>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/widgets/graphicsview/qgraphicsscene.cpp b/src/widgets/graphicsview/qgraphicsscene.cpp
index f65082ad55..061ebce31b 100644
--- a/src/widgets/graphicsview/qgraphicsscene.cpp
+++ b/src/widgets/graphicsview/qgraphicsscene.cpp
@@ -1780,8 +1780,8 @@ void QGraphicsScene::render(QPainter *painter, const QRectF &target, const QRect
     // in reverse order).
     QList<QGraphicsItem *> itemList = items(sourceRect, Qt::IntersectsItemBoundingRect);
     QGraphicsItem **itemArray = new QGraphicsItem *[itemList.size()];
-    const int numItems = itemList.size();
-    for (int i = 0; i < numItems; ++i)
+    const qsizetype numItems = itemList.size();
+    for (qsizetype i = 0; i < numItems; ++i)
         itemArray[numItems - i - 1] = itemList.at(i);
     itemList.clear();
 
@@ -1798,7 +1798,7 @@ void QGraphicsScene::render(QPainter *painter, const QRectF &target, const QRect
 
     // Generate the style options
     QStyleOptionGraphicsItem *styleOptionArray = new QStyleOptionGraphicsItem[numItems];
-    for (int i = 0; i < numItems; ++i)
+    for (qsizetype i = 0; i < numItems; ++i)
         itemArray[i]->d_ptr->initStyleOption(&styleOptionArray[i], painterTransform, targetRect.toRect());
 
     // Render the scene.