From 681068ff37695ba39ed9f0e6ea37e755673f5759 Mon Sep 17 00:00:00 2001
From: cristy <urban-warrior@git.imagemagick.org>
Date: Thu, 3 Jul 2014 12:48:42 +0000
Subject: [PATCH]

---
 coders/txt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/coders/txt.c b/coders/txt.c
index 78f7a5676..e5b79ac18 100644
--- a/coders/txt.c
+++ b/coders/txt.c
@@ -739,8 +739,8 @@ static MagickBooleanType WriteTXTImage(const ImageInfo *image_info,Image *image,
         GetPixelInfoPixel(image,p,&pixel);
         if (pixel.colorspace == LabColorspace)
           {
-            pixel.green-=QuantumRange/2.0;
-            pixel.blue-=QuantumRange/2.0;
+            pixel.green-=(QuantumRange+1)/2.0;
+            pixel.blue-=(QuantumRange+1)/2.0;
           }
         if (LocaleCompare(image_info->magick,"SPARSE-COLOR") == 0)
           {
-- 
2.40.0