From 1baa60f2244b4605dc82f6dcf564671f5c623023 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E5=98=89=E6=B6=B5?= <chenjiahan@youzan.com>
Date: Sat, 1 Feb 2020 09:46:23 +0800
Subject: [PATCH] fix(ImagePreview): limit max-zoom when double clicking

---
 src/image-preview/ImagePreview.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/image-preview/ImagePreview.js b/src/image-preview/ImagePreview.js
index 37c5d5c7a..3ed6cd8d3 100644
--- a/src/image-preview/ImagePreview.js
+++ b/src/image-preview/ImagePreview.js
@@ -258,8 +258,12 @@ export default createComponent({
       }
     },
 
+    setScale(scale) {
+      this.scale = range(scale, +this.minZoom, +this.maxZoom);
+    },
+
     resetScale() {
-      this.scale = 1;
+      this.setScale(1);
       this.moveX = 0;
       this.moveY = 0;
     },
@@ -267,7 +271,7 @@ export default createComponent({
     toggleScale() {
       const scale = this.scale > 1 ? 1 : 2;
 
-      this.scale = scale;
+      this.setScale(scale);
       this.moveX = 0;
       this.moveY = 0;
     },