From d0548addbb58927955df317a6f7eb1435ea07394 Mon Sep 17 00:00:00 2001
From: megacz <megacz@xwt.org>
Date: Fri, 30 Jan 2004 06:49:26 +0000
Subject: [PATCH] 2002/07/21 01:00:39

darcs-hash:20040130064926-2ba56-1cf0eeee0297a512f9401ec0fbc01ef45ba25849.gz
---
 src/org/xwt/PNG.java |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/org/xwt/PNG.java b/src/org/xwt/PNG.java
index 1c06968..03b05f9 100644
--- a/src/org/xwt/PNG.java
+++ b/src/org/xwt/PNG.java
@@ -159,7 +159,11 @@ public class PNG implements ImageDecoder {
     /** handle transparency chunk; modifies palette */
     private void handletRNS() throws IOException {
         int chunkLen = chunkLength;
-		if (palette == null) throw new IOException("tRNS chunk encountered before pLTE");
+        if (palette == null) {
+            if (Log.on) Log.log(this, "warning: tRNS chunk encountered before pLTE; ignoring alpha channel");
+            inputStream.skip(chunkLength);
+            return;
+        }
 		int len = palette.length;
         if (colorType == 3) {
             transparency = true;
-- 
1.7.10.4