From: cristy <urban-warrior@git.imagemagick.org>
Date: Tue, 30 Mar 2010 22:12:11 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~9723
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2dd0322e4877aabe4d07cc2e0d4b22ef895f3e56;p=imagemagick

---

diff --git a/magick/fx.c b/magick/fx.c
index 3e110b7ec..6cd5f9c3f 100644
--- a/magick/fx.c
+++ b/magick/fx.c
@@ -2085,8 +2085,8 @@ static MagickRealType FxEvaluateSubexpression(FxInfo *fx_info,
           alpha=FxEvaluateSubexpression(fx_info,channel,x,y,expression+4,beta,
             exception);
           if (alpha == 0.0)
-            return(0.25);
-          gamma=j1((double) alpha )/alpha;
+            return(1.0);
+          gamma=2.0*j1((double) (MagickPI*alpha))/(MagickPI*alpha);
           return(gamma*gamma);
         }
 #endif
@@ -3812,9 +3812,12 @@ MagickExport Image *RecolorImage(const Image *image,const unsigned long order,
       {
         for (x=0; x < (long) image->columns; x++)
         {
-          q->red=ClampToQuantum(k[0]*p->red+k[1]*p->green+k[2]*GetBluePixelComponent(p));
-          q->green=ClampToQuantum(k[3]*p->red+k[4]*p->green+k[5]*GetBluePixelComponent(p));
-          q->blue=ClampToQuantum(k[6]*p->red+k[7]*p->green+k[8]*GetBluePixelComponent(p));
+          q->red=ClampToQuantum(k[0]*p->red+k[1]*p->green+k[2]*
+            GetBluePixelComponent(p));
+          q->green=ClampToQuantum(k[3]*p->red+k[4]*p->green+k[5]*
+            GetBluePixelComponent(p));
+          q->blue=ClampToQuantum(k[6]*p->red+k[7]*p->green+k[8]*
+            GetBluePixelComponent(p));
           p++;
           q++;
         }