qt5-qtwayland/0045-Client-support-high-dpi-mode-for-window-icon.patch

From 1c4a808a3e81aa498da00b88d1ada8b40465d0f8 Mon Sep 17 00:00:00 2001
From: Liang Qi <liang.qi@qt.io>
Date: Mon, 13 Dec 2021 13:01:59 +0100
Subject: [PATCH 45/57] Client: support high-dpi mode for window icon
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Fixes: QTBUG-90530
Pick-to: 6.3 6.2 5.15
Change-Id: Ib1f36e1cb89352dfac8a385a7b097cfc0226e813
Reviewed-by: David Edmundson <davidedmundson@kde.org>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
(cherry picked from commit fc91cd6b1306c6d452cbddab3c2289ccb92218d6)
---
 src/plugins/decorations/bradient/main.cpp | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/plugins/decorations/bradient/main.cpp b/src/plugins/decorations/bradient/main.cpp
index e75fda3c..fa885143 100644
--- a/src/plugins/decorations/bradient/main.cpp
+++ b/src/plugins/decorations/bradient/main.cpp
@@ -164,13 +164,10 @@ void QWaylandBradientDecoration::paint(QPaintDevice *device)
     // Window icon
     QIcon icon = waylandWindow()->windowIcon();
     if (!icon.isNull()) {
-        QPixmap pixmap = icon.pixmap(QSize(128, 128));
-        QPixmap scaled = pixmap.scaled(22, 22, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
-
         QRectF iconRect(0, 0, 22, 22);
-        p.drawPixmap(iconRect.adjusted(margins().left() + BUTTON_SPACING, 4,
-                                       margins().left() + BUTTON_SPACING, 4),
-                     scaled, iconRect);
+        iconRect.adjust(margins().left() + BUTTON_SPACING, 4,
+                        margins().left() + BUTTON_SPACING, 4),
+        icon.paint(&p, iconRect.toRect());
     }
 
     // Window title
-- 
2.39.0