From: Cristy <urban-warrior@imagemagick.org>
Date: Wed, 31 Jan 2018 00:54:57 +0000 (-0500)
Subject: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5827
X-Git-Tag: 7.0.7-23~203
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0446b210f31ed20f3d600687819d96432e60e099;p=imagemagick

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5827
---

diff --git a/MagickCore/draw.c b/MagickCore/draw.c
index f4eda8a8c..9cdad199a 100644
--- a/MagickCore/draw.c
+++ b/MagickCore/draw.c
@@ -3359,10 +3359,10 @@ static inline double GetStopColorOffset(const GradientInfo *gradient,
         }
       v.x=(double) (((x-gradient->center.x)*cos(DegreesToRadians(
         gradient->angle)))+((y-gradient->center.y)*sin(DegreesToRadians(
-        gradient->angle))))/gradient->radii.x;
+        gradient->angle))))*PerceptibleReciprocal(gradient->radii.x);
       v.y=(double) (((x-gradient->center.x)*sin(DegreesToRadians(
         gradient->angle)))-((y-gradient->center.y)*cos(DegreesToRadians(
-        gradient->angle))))/gradient->radii.y;
+        gradient->angle))))*PerceptibleReciprocal(gradient->radii.y);
       return(sqrt(v.x*v.x+v.y*v.y));
     }
   }