From 3af7c2573065282e9f6c2c0c45a7388985e814b0 Mon Sep 17 00:00:00 2001
From: "tor%cs.brown.edu" <tor%cs.brown.edu>
Date: Tue, 15 Oct 2002 06:37:54 +0000
Subject: [PATCH] Bug 174259 - use appropriate indices in 1-bit alpha spacer
 image detector. r=biese, sr=blizzard, a=dbaron

---
 gfx/src/gtk/nsImageGTK.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gfx/src/gtk/nsImageGTK.cpp b/gfx/src/gtk/nsImageGTK.cpp
index b1719f802db5..70707d2eddf1 100644
--- a/gfx/src/gtk/nsImageGTK.cpp
+++ b/gfx/src/gtk/nsImageGTK.cpp
@@ -434,7 +434,7 @@ void nsImageGTK::UpdateCachedImage()
       if (mIsSpacer && (leftindex <= rightindex)) {
         for (unsigned y=rect->y; (y<bottom) && mIsSpacer; y++) {
           unsigned char *alpha = mAlphaBits + mAlphaRowBytes*y + leftindex;
-          for (unsigned x=left; x<right; x++) {
+          for (unsigned x=leftindex; x<rightindex; x++) {
             if (*(alpha++)!=0) {
               mIsSpacer = PR_FALSE;
               break;