From: anthony <anthony@git.imagemagick.org>
Date: Sun, 10 Oct 2010 03:07:27 +0000 (+0000)
Subject: Fix sigma adjustment for Blur Mapped Composition
X-Git-Tag: 7.0.1-0~8713
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e748e51ae215a8357d55971b8e89cb187f12c42d;p=imagemagick

Fix sigma adjustment for Blur Mapped Composition
---

diff --git a/magick/composite.c b/magick/composite.c
index db6f048ad..abba2e408 100644
--- a/magick/composite.c
+++ b/magick/composite.c
@@ -1761,7 +1761,7 @@ MagickExport MagickBooleanType CompositeImageChannel(Image *image,
       pixel=zero;
       exception=(&image->exception);
       resample_filter=AcquireResampleFilter(image,&image->exception);
-      SetResampleFilter(resample_filter,GaussianFilter,2.0);
+      SetResampleFilter(resample_filter,GaussianFilter,sqrt(2.0));
       destination_view=AcquireCacheView(destination_image);
       composite_view=AcquireCacheView(composite_image);
       for (y=0; y < (ssize_t) composite_image->rows; y++)