From 4610759aed6275141f6e997ed92e571f0ac91955 Mon Sep 17 00:00:00 2001
From: Eike Ziller <eike.ziller@qt.io>
Date: Mon, 23 Sep 2019 13:44:15 +0200
Subject: [PATCH] Help/litehtml: Use antialiasing and higher-quality image
 resizing

Change-Id: Ib0e48130c94e2cfdc25560339376c0ed130c56fa
Reviewed-by: hjk <hjk@qt.io>
---
 src/plugins/help/qlitehtml/qlitehtmlwidget.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/plugins/help/qlitehtml/qlitehtmlwidget.cpp b/src/plugins/help/qlitehtml/qlitehtmlwidget.cpp
index 509bf3602ff..15174036f70 100644
--- a/src/plugins/help/qlitehtml/qlitehtmlwidget.cpp
+++ b/src/plugins/help/qlitehtml/qlitehtmlwidget.cpp
@@ -528,6 +528,8 @@ void QLiteHtmlWidget::paintEvent(QPaintEvent *event)
     const litehtml::position clip = {r.x(), r.y(), r.width(), r.height()};
     QPainter p(viewport());
     p.setWorldTransform(QTransform().scale(d->zoomFactor, d->zoomFactor));
+    p.setRenderHint(QPainter::SmoothPixmapTransform, true);
+    p.setRenderHint(QPainter::Antialiasing, true);
     d->documentContainer.document()->draw(reinterpret_cast<litehtml::uint_ptr>(&p),
                                           pos.x(),
                                           pos.y(),