From ff188450e618755e7d5f7de34b6e7e1c2533def3 Mon Sep 17 00:00:00 2001
From: Seth Hillbrand <seth@kipro-pcb.com>
Date: Fri, 7 Jun 2024 11:27:44 -0700
Subject: [PATCH] Handle degenerate arcs

Arcs with their centers too far away are effectively straight lines, so
draw them as such

Fixes https://gitlab.com/kicad/code/kicad/-/issues/18170
---
 pcbnew/pcb_painter.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pcbnew/pcb_painter.cpp b/pcbnew/pcb_painter.cpp
index eac8ab5622..20f886096f 100644
--- a/pcbnew/pcb_painter.cpp
+++ b/pcbnew/pcb_painter.cpp
@@ -843,6 +843,14 @@ void PCB_PAINTER::draw( const PCB_ARC* aArc, int aLayer )
     EDA_ANGLE start_angle = aArc->GetArcAngleStart();
     EDA_ANGLE angle = aArc->GetAngle();
 
+    if( std::abs( center.x ) > std::numeric_limits<int>::max() / 2
+        || std::abs( center.y ) > std::numeric_limits<int>::max() / 2 )
+    {
+        const PCB_TRACK* track = static_cast<const PCB_TRACK*>( aArc );
+        draw( track, aLayer );
+        return;
+    }
+
     if( IsNetnameLayer( aLayer ) )
     {
         // Ummm, yeah.  Anyone fancy implementing text on a path?