Port away from QRegion::rects()

Use begin()/end() instead.

Change-Id: Iaa12726e218bfdb44be24240ca35f9526cc67440
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/quickwidgets/qquickwidget.cpp b/src/quickwidgets/qquickwidget.cpp
index 7c221850ab..f9c9e44fb0 100644
--- a/src/quickwidgets/qquickwidget.cpp
+++ b/src/quickwidgets/qquickwidget.cpp
@@ -1619,12 +1619,12 @@ void QQuickWidget::paintEvent(QPaintEvent *event)
             QTransform transform;
             transform.scale(devicePixelRatioF(), devicePixelRatioF());
             //Paint only the updated areas
-            const auto rects = d->updateRegion.rects();
-            for (auto targetRect : rects) {
+            QRegion targetRegion;
+            d->updateRegion.swap(targetRegion);
+            for (auto targetRect : targetRegion) {
                 auto sourceRect = transform.mapRect(QRectF(targetRect));
                 painter.drawImage(targetRect, d->softwareImage, sourceRect);
             }
-            d->updateRegion = QRegion();
         }
     }
 }