From a12f6ed13300a293178294edd13c0cb7652b3663 Mon Sep 17 00:00:00 2001
From: "lane.wei" <lane.wei@bambulab.com>
Date: Tue, 16 Aug 2022 16:50:31 +0800
Subject: [PATCH] ENH: refine the black color appearance when preview

Change-Id: I691cae54dea6b196695cfe721299f75ce5c1e4c7
---
 src/slic3r/GUI/GCodeViewer.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/GCodeViewer.cpp b/src/slic3r/GUI/GCodeViewer.cpp
index ed83d5f7d..d9d8ef59d 100644
--- a/src/slic3r/GUI/GCodeViewer.cpp
+++ b/src/slic3r/GUI/GCodeViewer.cpp
@@ -3064,8 +3064,10 @@ void GCodeViewer::refresh_render_paths(bool keep_sequential_current_first, bool
         case EViewType::ColorPrint:     {
             if (path.cp_color_id >= static_cast<unsigned char>(m_tools.m_tool_colors.size()))
                 color = { 0.5f, 0.5f, 0.5f, 1.0f };
-            else
+            else {
                 color = m_tools.m_tool_colors[path.cp_color_id];
+                color = adjust_color_for_rendering(color);
+            }
             break;
         }
         case EViewType::FilamentId: {