QIcon: Use the @nx pixmaps in the paint method

Make use of the device pixel ratio in the QIcon paint method so the @nx
hi-dpi pixmaps are selected when appropriate when painting to a
QPainter.

Fixes: QTBUG-90042
Change-Id: I53995a2285ef879e3c4fddb9f8da702e256a260f
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
(cherry picked from commit b69b04c4790f319104a1098147cea9405b6e7062)
Reviewed-by: Bastien Bouclet <bastien.bouclet@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp
index fdb2ab0f9b..4f31414e10 100644
--- a/src/gui/image/qicon.cpp
+++ b/src/gui/image/qicon.cpp
@@ -174,7 +174,7 @@ void QPixmapIconEngine::paint(QPainter *painter, const QRect &rect, QIcon::Mode
     auto paintDevice = painter->device();
     qreal dpr = paintDevice ? paintDevice->devicePixelRatio() : qApp->devicePixelRatio();
     const QSize pixmapSize = rect.size() * dpr;
-    QPixmap px = pixmap(pixmapSize, mode, state);
+    QPixmap px = scaledPixmap(pixmapSize, mode, state, dpr);
     painter->drawPixmap(rect, px);
 }