From: Rasmus Lerdorf <rasmus@php.net>
Date: Sat, 16 Apr 2005 00:16:14 +0000 (+0000)
Subject: MFH: The emboss and edge detection filter matrices were swapped
X-Git-Tag: php-5.0.5RC1~427
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f157b9f12a9086e1d99cf87a264cfb1442744346;p=php

MFH: The emboss and edge detection filter matrices were swapped
---

diff --git a/ext/gd/libgd/gd.c b/ext/gd/libgd/gd.c
index ca059f1f13..1ee0603467 100644
--- a/ext/gd/libgd/gd.c
+++ b/ext/gd/libgd/gd.c
@@ -3824,9 +3824,9 @@ int gdImageSelectiveBlur( gdImagePtr src)
 
 int gdImageEdgeDetectQuick(gdImagePtr src)
 {
-	float filter[3][3] =	{{1.0,1.0,1.0},
-				{0.0,0.0,0.0},
-				{-1.0,-1.0,-1.0}};
+	float filter[3][3] =	{{-1.0,0.0,-1.0},
+				{0.0,4.0,0.0},
+				{-1.0,0.0,-1.0}};
 
 	return gdImageConvolution(src, filter, 1, 127);
 }
@@ -3842,9 +3842,9 @@ int gdImageGaussianBlur(gdImagePtr im)
 
 int gdImageEmboss(gdImagePtr im)
 {
-	float filter[3][3] =	{{-1.0,0.0,-1.0},
-				{0.0,4.0,0.0},
-				{-1.0,0.0,-1.0}};
+	float filter[3][3] =	{{1.0,1.0,1.0},
+				{0.0,0.0,0.0},
+				{-1.0,-1.0,-1.0}};
 
 	return gdImageConvolution(im, filter, 1, 127);
 }