From 5acfdf3ca1d01c069adf206364b0f98726ab030e Mon Sep 17 00:00:00 2001
From: Pierre Joye <pajoye@php.net>
Date: Wed, 11 Dec 2002 22:23:51 +0000
Subject: [PATCH] Fix brightness filter (argument ingnored)

---
 ext/gd/libgd/gd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/gd/libgd/gd.c b/ext/gd/libgd/gd.c
index b82ab51382..96684eab6c 100644
--- a/ext/gd/libgd/gd.c
+++ b/ext/gd/libgd/gd.c
@@ -3410,7 +3410,7 @@ int gdImageContrast(gdImagePtr src, double contrast)
 		return 0;
 	}
 	
-	contrast = (double)(100.0-80.0)/100.0;
+	contrast = (double)(100.0-contrast)/100.0;
 	contrast = contrast*contrast;
 	
 	for (y=0; y<src->sy; ++y) {
-- 
2.50.1