From 8d21e04393eb40b01085a72341d8926ee8040bb3 Mon Sep 17 00:00:00 2001
From: Igor Mertens <git@fa113n.de>
Date: Wed, 22 Jul 2015 15:51:17 +0200
Subject: [PATCH] added onError

---
 libgif.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libgif.js b/libgif.js
index 97b7b30..e62f3b8 100644
--- a/libgif.js
+++ b/libgif.js
@@ -438,6 +438,7 @@
 
         var loadError = null;
         var loading = false;
+        var onErrorCallback = null;
 
         var transparency = null;
         var delay = null;
@@ -582,6 +583,8 @@
             }; // Fake header.
             frames = [];
             drawError();
+            
+            onErrorCallback && onErrorCallback(loadError, options.gif);
         };
 
         var doHdr = function (_hdr) {
@@ -935,6 +938,9 @@
             load: function (callback) {
                 this.load_url(gif.getAttribute('rel:animated_src') || gif.src,callback);
             },
+            onError: function (callback) {
+                onErrorCallback = (callback && callback.bind(this)) || null;
+            },
             load_raw: function(arr, callback) {
                 if (!load_setup(callback)) return;
                 if (!initialized) init();