From 13bbc900487ee8d41851c10529ab441360db942f Mon Sep 17 00:00:00 2001
From: maplemiao <maplemiao@tencent.com>
Date: Fri, 30 Mar 2018 16:37:18 +0800
Subject: [PATCH] support blob image resources in non-foreignObjectRendering
 mode

---
 src/ResourceLoader.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/ResourceLoader.js b/src/ResourceLoader.js
index b946d5b..23f6191 100644
--- a/src/ResourceLoader.js
+++ b/src/ResourceLoader.js
@@ -33,6 +33,10 @@ export default class ResourceLoader {
         if (this.hasResourceInCache(src)) {
             return src;
         }
+        if (isBlobImage(src)) {
+            this.cache[src] = loadImage(src, this.options.imageTimeout || 0);
+            return src;
+        }
 
         if (!isSVG(src) || FEATURES.SUPPORT_SVG_DRAWING) {
             if (this.options.allowTaint === true || isInlineImage(src) || this.isSameOrigin(src)) {
@@ -215,6 +219,7 @@ const INLINE_IMG = /^data:image\/.*/i;
 
 const isInlineImage = (src: string): boolean => INLINE_IMG.test(src);
 const isInlineBase64Image = (src: string): boolean => INLINE_BASE64.test(src);
+const isBlobImage = (src: string): boolean => src.substr(0, 4) === 'blob';
 
 const isSVG = (src: string): boolean =>
     src.substr(-3).toLowerCase() === 'svg' || INLINE_SVG.test(src);