From c3e3ff3c8b35bc8763bc460f4683cddc167dbb9f Mon Sep 17 00:00:00 2001
From: "Zheng, Lei" <realthunder.dev@gmail.com>
Date: Thu, 7 Oct 2021 15:46:14 +0800
Subject: [PATCH] Part: set transparency in ViewProviderExt::DiffuseColor

For single color shape
---
 src/Mod/Part/Gui/ViewProviderExt.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Part/Gui/ViewProviderExt.cpp b/src/Mod/Part/Gui/ViewProviderExt.cpp
index ba197f1811..c43bb64fad 100644
--- a/src/Mod/Part/Gui/ViewProviderExt.cpp
+++ b/src/Mod/Part/Gui/ViewProviderExt.cpp
@@ -443,7 +443,9 @@ void ViewProviderPartExt::onChanged(const App::Property* prop)
     else if (prop == &ShapeMaterial || prop == &ShapeColor) {
         pcFaceBind->value = SoMaterialBinding::OVERALL;
         ViewProviderGeometryObject::onChanged(prop);
-        DiffuseColor.setValue(ShapeColor.getValue());
+        App::Color c = ShapeColor.getValue();
+        c.a = Transparency.getValue()/100.0f;
+        DiffuseColor.setValue(c);
     }
     else if (prop == &Transparency) {
         const App::Material& Mat = ShapeMaterial.getValue();
@@ -795,6 +797,7 @@ std::map<std::string,App::Color> ViewProviderPartExt::getElementColors(const cha
             }
             if(size && singleColor) {
                 color = DiffuseColor[0];
+                color.a = Transparency.getValue()/100.0f;
                 ret.clear();
             }
             ret["Face"] = color;