From 0bd618548483fc0f5a76d5b211129e1a382bf2aa Mon Sep 17 00:00:00 2001
From: DreamPiggy <lizhuoli1126@126.com>
Date: Thu, 12 Sep 2019 11:36:20 +0800
Subject: [PATCH] Fix the Animated WebP coder the frame blend index calculation
 issue, the end condition should be only `endIndex` to match the behavior.

---
 SDWebImageWebPCoder/Classes/SDImageWebPCoder.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m b/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m
index 7a11965..f37664a 100644
--- a/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m
+++ b/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m
@@ -841,7 +841,7 @@ static void FreeImageData(void *info, const void *data, size_t size) {
                 @autoreleasepool {
                     [self sd_blendWebpImageWithCanvas:_canvas iterator:iter colorSpace:_colorSpace];
                 }
-            } while ((size_t)iter.frame_num < (endIndex + 1) && WebPDemuxNextFrame(&iter));
+            } while ((size_t)iter.frame_num < endIndex && WebPDemuxNextFrame(&iter));
         }
     }