From: Rasmus Lerdorf <rasmus@php.net>
Date: Sat, 16 Apr 2005 09:20:59 +0000 (+0000)
Subject: I think this is a cleaner emboss filter.  Less fringing.
X-Git-Tag: php-5.0.1b1~511
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4162bd8b21143492cadbe70baa75360ac3ec6307;p=php

I think this is a cleaner emboss filter.  Less fringing.
---

diff --git a/ext/gd/libgd/gd.c b/ext/gd/libgd/gd.c
index 56054188f4..18a5934240 100644
--- a/ext/gd/libgd/gd.c
+++ b/ext/gd/libgd/gd.c
@@ -3883,9 +3883,14 @@ int gdImageGaussianBlur(gdImagePtr im)
 
 int gdImageEmboss(gdImagePtr im)
 {
+/*
 	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] =	{{ 1.5, 0.0, 0.0},
+				 { 0.0, 0.0, 0.0},
+				 { 0.0, 0.0,-1.5}};
 
 	return gdImageConvolution(im, filter, 1, 127);
 }