From 59481969a915954a9566d02b6b5abd5f5769aaca Mon Sep 17 00:00:00 2001
From: Alex Jurkiewicz <alex@bluebottle.net.au>
Date: Mon, 27 Sep 2010 23:47:03 +1000
Subject: [PATCH] Disable chroma subsampling when saving JPEGs.

---
 quadtree.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/quadtree.py b/quadtree.py
index 36d6818..8a55c4c 100644
--- a/quadtree.py
+++ b/quadtree.py
@@ -440,7 +440,7 @@ def render_innertile(dest, name, imgformat):
 
     # Save it
     if imgformat == 'jpg':
-        img.save(imgpath, quality=95, optimize=True)
+        img.save(imgpath, quality=95, optimize=True, subsampling=0)
     else: # png
         img.save(imgpath)
     with open(hashpath, "wb") as hashout: