From 2f6d43745a2dafebcdcb324e9ee44525841cc30e Mon Sep 17 00:00:00 2001
From: Alessandro Portale <alessandro.portale@qt.io>
Date: Wed, 10 Apr 2019 17:40:38 +0200
Subject: [PATCH] ImageViewer: Don't blur the ImageViewer background pattern on
 HighDpi

Simply don't draw the background pattern with interpolated scaling.

Task-number: QTCREATORBUG-22280
Change-Id: Iae17f4ce663ae82ee00cbebaa9830b5bb86d5735
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
---
 src/plugins/imageviewer/imageview.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/plugins/imageviewer/imageview.cpp b/src/plugins/imageviewer/imageview.cpp
index dbdcd8fe027..821074db20f 100644
--- a/src/plugins/imageviewer/imageview.cpp
+++ b/src/plugins/imageviewer/imageview.cpp
@@ -151,6 +151,7 @@ void ImageView::drawBackground(QPainter *p, const QRectF &)
 {
     p->save();
     p->resetTransform();
+    p->setRenderHint(QPainter::SmoothPixmapTransform, false);
     p->drawTiledPixmap(viewport()->rect(), backgroundBrush().texture());
     p->restore();
 }