From 62dbfc52904f377637aa018e1045cba06bce4dd3 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Wed, 27 Jul 2022 17:03:47 +0200
Subject: [PATCH] Part: if boolean/compound object has set transparency then
 override the values of the input shape

---
 src/Mod/Part/Gui/ViewProviderBoolean.cpp  | 18 ++++++++++++++++++
 src/Mod/Part/Gui/ViewProviderCompound.cpp |  6 ++++++
 2 files changed, 24 insertions(+)

diff --git a/src/Mod/Part/Gui/ViewProviderBoolean.cpp b/src/Mod/Part/Gui/ViewProviderBoolean.cpp
index 86c591056b..01f82e185d 100644
--- a/src/Mod/Part/Gui/ViewProviderBoolean.cpp
+++ b/src/Mod/Part/Gui/ViewProviderBoolean.cpp
@@ -130,6 +130,12 @@ void ViewProviderBoolean::updateData(const App::Property* prop)
                     applyColor(hist[1], colTool, colBool);
                 }
 
+                // If the view provider has set a transparency then override the values
+                // of the input shapes
+                if (Transparency.getValue() > 0) {
+                    applyTransparency(Transparency.getValue(), colBool);
+                }
+
                 this->DiffuseColor.setValues(colBool);
             }
         }
@@ -218,6 +224,12 @@ void ViewProviderMultiFuse::updateData(const App::Property* prop)
             }
         }
 
+        // If the view provider has set a transparency then override the values
+        // of the input shapes
+        if (Transparency.getValue() > 0) {
+            applyTransparency(Transparency.getValue(), colBool);
+        }
+
         this->DiffuseColor.setValues(colBool);
     }
     else if (prop->getTypeId().isDerivedFrom(App::PropertyLinkList::getClassTypeId())) {
@@ -349,6 +361,12 @@ void ViewProviderMultiCommon::updateData(const App::Property* prop)
             }
         }
 
+        // If the view provider has set a transparency then override the values
+        // of the input shapes
+        if (Transparency.getValue() > 0) {
+            applyTransparency(Transparency.getValue(), colBool);
+        }
+
         this->DiffuseColor.setValues(colBool);
     }
     else if (prop->getTypeId().isDerivedFrom(App::PropertyLinkList::getClassTypeId())) {
diff --git a/src/Mod/Part/Gui/ViewProviderCompound.cpp b/src/Mod/Part/Gui/ViewProviderCompound.cpp
index f98a5ba53a..a719f767e9 100644
--- a/src/Mod/Part/Gui/ViewProviderCompound.cpp
+++ b/src/Mod/Part/Gui/ViewProviderCompound.cpp
@@ -125,6 +125,12 @@ void ViewProviderCompound::updateData(const App::Property* prop)
             }
         }
 
+        // If the view provider has set a transparency then override the values
+        // of the input shapes
+        if (Transparency.getValue() > 0) {
+            applyTransparency(Transparency.getValue(), compCol);
+        }
+
         this->DiffuseColor.setValues(compCol);
     }
     else if (prop->getTypeId().isDerivedFrom(App::PropertyLinkList::getClassTypeId())) {