From: cristy <urban-warrior@git.imagemagick.org>
Date: Tue, 26 Mar 2013 13:18:48 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~4001
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=78bfb0f7326cdd8aa25c735915bd6c3b1bf2eab0;p=imagemagick

---

diff --git a/MagickCore/effect.c b/MagickCore/effect.c
index c51c6f917..bf3c7cc52 100644
--- a/MagickCore/effect.c
+++ b/MagickCore/effect.c
@@ -3149,6 +3149,10 @@ MagickExport Image *SharpenImage(const Image *image,const double radius,
   kernel_info->values[i/2]=(double) ((-2.0)*normalize);
   if (sigma < MagickEpsilon)
     kernel_info->values[i/2]=1.0;
+  normalize=0.0;
+  for (i=0; i < width*width; i++)
+    normalize+=kernel_info->values[i];
+  kernel_info->values[i/2]+=1.0-normalize;
   sharp_image=ConvolveImage(image,kernel_info,exception);
   kernel_info=DestroyKernelInfo(kernel_info);
   return(sharp_image);