From da27fb74b318c42ad94d990a2d489f3417517e42 Mon Sep 17 00:00:00 2001
From: zhangkun <zhangkun2@uniontech.com>
Date: Wed, 19 Jun 2024 17:42:39 +0800
Subject: [PATCH] fix: jagged edges on ddciicon

Use smooth scaling before drawing to smaller QImage

Issue: https://github.com/linuxdeepin/developer-center/issues/8691
---
 src/util/ddciicon.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/util/ddciicon.cpp b/src/util/ddciicon.cpp
index 57a3e135..e88a2c9b 100644
--- a/src/util/ddciicon.cpp
+++ b/src/util/ddciicon.cpp
@@ -729,7 +729,8 @@ void DDciIconPrivate::paint(QPainter *painter, const QRectF &rect, Qt::Alignment
         if (rect.width() < targetRect.width())
             targetRect = rect;
 
-        painter->drawImage(targetRect, layer);
+        auto scaleImage = layer.scaled(targetRect.size().toSize(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        painter->drawImage(targetRect, scaleImage);
     }
 }