From 16d63b7772a79ab2c8a99751795fddc0c9b15d3f Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Fri, 10 Jun 2022 22:37:24 +0100
Subject: [PATCH] Handle alt pins in plot code.

Fixes https://gitlab.com/kicad/code/kicad/issues/11728

(cherry picked from commit e4798199c63f2aabb4bfa127820dcabb59e0f5d9)
---
 eeschema/sch_symbol.cpp | 26 ++++++++++++++++++++++++--
 eeschema/sch_symbol.h   |  2 +-
 2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/eeschema/sch_symbol.cpp b/eeschema/sch_symbol.cpp
index b0f76dcd35..3508637ef2 100644
--- a/eeschema/sch_symbol.cpp
+++ b/eeschema/sch_symbol.cpp
@@ -886,7 +886,7 @@ void SCH_SYMBOL::GetLibPins( std::vector<LIB_PIN*>& aPinsList ) const
 }
 
 
-SCH_PIN* SCH_SYMBOL::GetPin( LIB_PIN* aLibPin )
+SCH_PIN* SCH_SYMBOL::GetPin( LIB_PIN* aLibPin ) const
 {
     wxASSERT( m_pinMap.count( aLibPin ) );
     return m_pins[ m_pinMap.at( aLibPin ) ].get();
@@ -1877,10 +1877,32 @@ void SCH_SYMBOL::Plot( PLOTTER* aPlotter ) const
 {
     if( m_part )
     {
+        LIB_PINS  libPins;
+        m_part->GetPins( libPins, GetUnit(), GetConvert() );
+
+        // Copy the source so we can re-orient and translate it.
+        LIB_SYMBOL tempSymbol( *m_part );
+        LIB_PINS tempPins;
+        tempSymbol.GetPins( tempPins, GetUnit(), GetConvert() );
+
+        // Copy the pin info from the symbol to the temp pins
+        for( unsigned i = 0; i < tempPins.size(); ++ i )
+        {
+            SCH_PIN* symbolPin = GetPin( libPins[ i ] );
+            LIB_PIN* tempPin = tempPins[ i ];
+
+            tempPin->SetName( symbolPin->GetShownName() );
+            tempPin->SetType( symbolPin->GetType() );
+            tempPin->SetShape( symbolPin->GetShape() );
+
+            if( symbolPin->IsDangling() )
+                tempPin->SetFlags( IS_DANGLING );
+        }
+
         TRANSFORM temp = GetTransform();
         aPlotter->StartBlock( nullptr );
 
-        m_part->Plot( aPlotter, GetUnit(), GetConvert(), m_pos, temp );
+        tempSymbol.Plot( aPlotter, GetUnit(), GetConvert(), m_pos, temp );
 
         for( SCH_FIELD field : m_fields )
             field.Plot( aPlotter );
diff --git a/eeschema/sch_symbol.h b/eeschema/sch_symbol.h
index 71791d793c..02978d1a22 100644
--- a/eeschema/sch_symbol.h
+++ b/eeschema/sch_symbol.h
@@ -456,7 +456,7 @@ public:
      */
     void GetLibPins( std::vector<LIB_PIN*>& aPinsList ) const;
 
-    SCH_PIN* GetPin( LIB_PIN* aLibPin );
+    SCH_PIN* GetPin( LIB_PIN* aLibPin ) const;
 
     /**
      * Retrieve a list of the SCH_PINs for the given sheet path.