From 0e65de2e11e642cbad0cc6b4d441bbe5dd241108 Mon Sep 17 00:00:00 2001
From: MacDue <macdue@dueutil.tech>
Date: Mon, 28 Nov 2022 22:26:46 +0000
Subject: [PATCH] LibGfx: Don't write blended pixel if the alpha is zero

---
 Userland/Libraries/LibGfx/Painter.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Userland/Libraries/LibGfx/Painter.cpp b/Userland/Libraries/LibGfx/Painter.cpp
index a4d734a9fd..c60480f8a9 100644
--- a/Userland/Libraries/LibGfx/Painter.cpp
+++ b/Userland/Libraries/LibGfx/Painter.cpp
@@ -1833,11 +1833,10 @@ void Painter::set_pixel(IntPoint const& p, Color color, bool blend)
     if (!clip_rect().contains(point / scale()))
         return;
     auto& dst = m_target->scanline(point.y())[point.x()];
-    if (!blend) {
+    if (!blend)
         dst = color.value();
-    } else {
+    else if (color.alpha())
         dst = Color::from_argb(dst).blend(color).value();
-    }
 }
 
 Optional<Color> Painter::get_pixel(IntPoint const& p)