From 8445783216b04503515076d7fcce42fec1167c85 Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Tue, 18 Jan 2022 13:45:00 +0000
Subject: [PATCH] Fix backwards arcs in legacy LIB_ARCs.

Fixes https://gitlab.com/kicad/code/kicad/issues/10455
---
 common/eda_shape.cpp                            |  3 +--
 eeschema/sch_plugins/kicad/sch_sexpr_parser.cpp | 11 ++++-------
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/common/eda_shape.cpp b/common/eda_shape.cpp
index 0bd225897b..22879140e3 100644
--- a/common/eda_shape.cpp
+++ b/common/eda_shape.cpp
@@ -508,7 +508,6 @@ void EDA_SHAPE::SetArcGeometry( const VECTOR2I& aStart, const VECTOR2I& aMid, co
         std::swap( m_start, m_end );
         m_endsSwapped = true;
     }
-
 }
 
 
@@ -600,8 +599,8 @@ void EDA_SHAPE::ShapeGetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PA
         const double deg = RAD2DEG( atan2( (double)( GetStart().y - GetEnd().y ),
                                            (double)( GetEnd().x - GetStart().x ) ) );
         aList.emplace_back( _( "Angle" ), wxString::Format( "%.1f", deg ) );
-    }
         break;
+    }
 
     default:
         aList.emplace_back( shape, _( "Unrecognized" ) );
diff --git a/eeschema/sch_plugins/kicad/sch_sexpr_parser.cpp b/eeschema/sch_plugins/kicad/sch_sexpr_parser.cpp
index 7856b711b7..80a558ab94 100644
--- a/eeschema/sch_plugins/kicad/sch_sexpr_parser.cpp
+++ b/eeschema/sch_plugins/kicad/sch_sexpr_parser.cpp
@@ -987,6 +987,7 @@ LIB_SHAPE* SCH_SEXPR_PARSER::parseArc()
     }
     else if( hasAngles )
     {
+        arc->SetCenter( center );
         /**
          * This accounts for an oddity in the old library format, where the symbol is overdefined.
          * The previous draw (based on wxwidgets) used start point and end point and always drew
@@ -994,13 +995,9 @@ LIB_SHAPE* SCH_SEXPR_PARSER::parseArc()
          * these points were stored in the file, so we need to mimic the swapping of start/end
          * points rather than using the stored angles in order to properly map edge cases.
          */
-        if( !TRANSFORM().MapAngles( &startAngle, &endAngle ) )
-        {
-            VECTOR2I temp = arc->GetStart();
-            arc->SetStart( arc->GetEnd() );
-            arc->SetEnd( temp );
-        }
-        arc->SetCenter( center );
+        VECTOR2I temp = arc->GetStart();
+        arc->SetStart( arc->GetEnd() );
+        arc->SetEnd( temp );
     }
     else
     {