From aeb7863a243d113e800d31631894fa6745fa3586 Mon Sep 17 00:00:00 2001
From: Morgan Hardwood <bugs@londonlight.org>
Date: Tue, 12 Dec 2017 22:20:44 +0100
Subject: [PATCH] RCD border artifacts fixed.

Now 8 border pixels are used for interpolation in RCD as 4 caused
artifacts. Fixes #4225, patch by agriggio.
---
 rtengine/demosaic_algos.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rtengine/demosaic_algos.cc b/rtengine/demosaic_algos.cc
index d83b90cef..16c0204dd 100644
--- a/rtengine/demosaic_algos.cc
+++ b/rtengine/demosaic_algos.cc
@@ -4213,7 +4213,7 @@ void RawImageSource::rcd_demosaic()
         }
     }
 
-    border_interpolate2(width, height, 4);
+    border_interpolate2(width, height, 8);
 
     if (plistener) {
         plistener->setProgress(1);